aufgaben-verzeichnisse umbenannt:
Bei Aufgabe 3 geht es wieder bei 1 los. Deswegen habe ich jetzt überall eine 2 davor gehangen.
This commit is contained in:
parent
24eba4d551
commit
d54efc0358
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@ -1,6 +0,0 @@
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Description='LAN Interface'
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Interface=enp1s0
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Connection=ethernet
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IP=static
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Address=('10.20.0.101/24')
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Gateway='10.20.0.1'
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@ -1,17 +0,0 @@
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Description='LAN Interface'
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Interface=eth1
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Connection=ethernet
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IP=static
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Address=('10.20.0.1/24')
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#Routes=('192.168.0.0/24 via 192.168.1.2')
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#Gateway='141.76.90.1'
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#DNS=('8.8.8.8')
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## For IPv6 autoconfiguration
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#IP6=stateless
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## For IPv6 static address configuration
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#IP6=static
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#Address6=('1234:5678:9abc:def::1/64' '1234:3456::123/96')
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#Routes6=('abcd::1234')
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#Gateway6='1234:0:123::abcd'
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Description='A basic static ethernet connection'
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Interface=eth0
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Connection=ethernet
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IP=static
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Address=('141.76.90.104/24')
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#Routes=('192.168.0.0/24 via 192.168.1.2')
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Gateway='141.76.90.1'
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DNS=('8.8.8.8')
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## For IPv6 autoconfiguration
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#IP6=stateless
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## For IPv6 static address configuration
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#IP6=static
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#Address6=('1234:5678:9abc:def::1/64' '1234:3456::123/96')
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#Routes6=('abcd::1234')
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#Gateway6='1234:0:123::abcd'
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@ -1,9 +0,0 @@
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#!/bin/bash
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# check for arguments
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if [[ $# -ne 1 || -z "$1" ]]; then
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echo "USAGE: $0 username" 1>&2
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exit 1
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fi
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userdel -r "$1"
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@ -1,58 +0,0 @@
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*filter
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:INPUT DROP [0:0]
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:FORWARD DROP [0:0]
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:OUTPUT ACCEPT [0:0]
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# allow established connections
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-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
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-A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
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# allow traffic from private LAN
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-A INPUT -i eth1 -j ACCEPT
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-A FORWARD -i eth1 -j ACCEPT
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# allow icmp
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-A INPUT -p icmp -j ACCEPT
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# allow loopback
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-A INPUT -i lo -j ACCEPT
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# uni subnets
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:uni - [0:0]
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-A INPUT -s 141.30.0.0/16 -j uni
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-A INPUT -s 141.76.0.0/16 -j uni
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# reject unknown traffic with nice errors
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-A INPUT -p tcp -j REJECT --reject-with tcp-reset
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-A INPUT -p udp -j REJECT --reject-with icmp-port-unreachable
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-A INPUT -j REJECT --reject-with icmp-proto-unreachable
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# ---------------------------------------------------------------
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# internal traffic
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#
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:internal - [0:0]
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-A uni -j internal
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-A internal -p tcp --dport 22 -j ACCEPT
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-A internal -p tcp --dport 80 -j ACCEPT
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-A internal -p tcp --dport 443 -j ACCEPT
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# ---------------------------------------------------------------
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# public traffic
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:public - [0:0]
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-A INPUT -j public
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# ---------------------------------------------------------------
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COMMIT
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*nat
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:PREROUTING ACCEPT [0:0]
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:POSTROUTING ACCEPT [0:0]
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:OUTPUT ACCEPT [0:0]
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# masquerading
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-A POSTROUTING -o eth0 -j MASQUERADE
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COMMIT
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#!/bin/bash
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set -e
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# check for root
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if [[ $EUID -ne 0 ]]; then
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echo "This script must be run as root" 1>&2
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exit 1
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fi
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# check for arguments
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if [[ $# -ne 1 ]]; then
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echo "USAGE: $0 username" 1>&2
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exit 1
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fi
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# check if user already exists
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if ! id "$1" &> /dev/null; then
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echo "Adding user..."
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useradd --base-dir /home --create-home "$1"
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fi
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# check if SSH key for user already exists
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if [[ ! -f "/home/$1/.ssh/id_ecdsa" ]]; then
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echo "Generating SSH key for user..."
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sudo --user "$1" ssh-keygen -t ecdsa -N "" -b 521 -f "/home/$1/.ssh/id_ecdsa" > /dev/null
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fi
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# check if SSH key is already added to list of authorized keys
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sudo -u "$1" touch /home/$1/.ssh/authorized_keys
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if ! grep -q "`cat /home/$1/.ssh/id_ecdsa.pub`" /home/$1/.ssh/authorized_keys; then
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echo "Adding SSH key to list of authorized keys for user..."
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cat "/home/$1/.ssh/id_ecdsa.pub" | sudo --user "$1" tee "/home/$1/.ssh/authorized_keys" > /dev/null
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fi
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export DIR="`mktemp -d`"
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trap "cd /; rm -rf $DIR" EXIT
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cd "$DIR"
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export GIT_AUTHOR_NAME=$SUDO_USER
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git clone "git@zotac0:gitolite-admin" "$DIR" > /dev/null
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# check if SSH key is already registered with git
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if [[ ! -f "$DIR/keydir/$1@$HOSTNAME.pub" ]]; then
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echo "Adding SSH key to git..."
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cp "/home/$1/.ssh/id_ecdsa.pub" "$DIR/keydir/$1@$HOSTNAME.pub"
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git add "$DIR/keydir/$1@$HOSTNAME.pub"
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git commit --all --message="User \"$1\" added" > /dev/null
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git push > /dev/null
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fi
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@ -1,130 +0,0 @@
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# $OpenBSD: sshd_config,v 1.90 2013/05/16 04:09:14 dtucker Exp $
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# This is the sshd server system-wide configuration file. See
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# sshd_config(5) for more information.
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# This sshd was compiled with PATH=/usr/bin:/bin:/usr/sbin:/sbin
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# The strategy used for options in the default sshd_config shipped with
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# OpenSSH is to specify options with their default value where
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# possible, but leave them commented. Uncommented options override the
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# default value.
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#Port 22
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#AddressFamily any
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#ListenAddress 0.0.0.0
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#ListenAddress ::
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# The default requires explicit activation of protocol 1
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#Protocol 2
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# HostKey for protocol version 1
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#HostKey /etc/ssh/ssh_host_key
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# HostKeys for protocol version 2
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#HostKey /etc/ssh/ssh_host_rsa_key
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#HostKey /etc/ssh/ssh_host_dsa_key
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#HostKey /etc/ssh/ssh_host_ecdsa_key
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# Lifetime and size of ephemeral version 1 server key
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#KeyRegenerationInterval 1h
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#ServerKeyBits 1024
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# Ciphers and keying
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#RekeyLimit default none
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# Logging
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# obsoletes QuietMode and FascistLogging
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#SyslogFacility AUTH
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#LogLevel INFO
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# Authentication:
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#LoginGraceTime 2m
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PermitRootLogin no
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#StrictModes yes
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#MaxAuthTries 6
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#MaxSessions 10
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#RSAAuthentication yes
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#PubkeyAuthentication yes
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# The default is to check both .ssh/authorized_keys and .ssh/authorized_keys2
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# but this is overridden so installations will only check .ssh/authorized_keys
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AuthorizedKeysFile .ssh/authorized_keys
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#AuthorizedPrincipalsFile none
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#AuthorizedKeysCommand none
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#AuthorizedKeysCommandUser nobody
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# For this to work you will also need host keys in /etc/ssh/ssh_known_hosts
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#RhostsRSAAuthentication no
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# similar for protocol version 2
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#HostbasedAuthentication no
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# Change to yes if you don't trust ~/.ssh/known_hosts for
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# RhostsRSAAuthentication and HostbasedAuthentication
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#IgnoreUserKnownHosts no
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# Don't read the user's ~/.rhosts and ~/.shosts files
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#IgnoreRhosts yes
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# To disable tunneled clear text passwords, change to no here!
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PasswordAuthentication no
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#PermitEmptyPasswords no
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# Change to no to disable s/key passwords
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ChallengeResponseAuthentication no
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# Kerberos options
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#KerberosAuthentication no
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#KerberosOrLocalPasswd yes
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#KerberosTicketCleanup yes
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#KerberosGetAFSToken no
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# GSSAPI options
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#GSSAPIAuthentication no
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#GSSAPICleanupCredentials yes
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# Set this to 'yes' to enable PAM authentication, account processing,
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# and session processing. If this is enabled, PAM authentication will
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# be allowed through the ChallengeResponseAuthentication and
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# PasswordAuthentication. Depending on your PAM configuration,
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# PAM authentication via ChallengeResponseAuthentication may bypass
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# the setting of "PermitRootLogin without-password".
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# If you just want the PAM account and session checks to run without
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# PAM authentication, then enable this but set PasswordAuthentication
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# and ChallengeResponseAuthentication to 'no'.
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UsePAM yes
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#AllowAgentForwarding yes
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#AllowTcpForwarding yes
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#GatewayPorts no
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#X11Forwarding no
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#X11DisplayOffset 10
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#X11UseLocalhost yes
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PrintMotd no # pam does that
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#PrintLastLog yes
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#TCPKeepAlive yes
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#UseLogin no
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UsePrivilegeSeparation sandbox # Default for new installations.
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#PermitUserEnvironment no
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#Compression delayed
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#ClientAliveInterval 0
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#ClientAliveCountMax 3
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#UseDNS yes
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#PidFile /run/sshd.pid
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#MaxStartups 10:30:100
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#PermitTunnel no
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#ChrootDirectory none
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#VersionAddendum none
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# no default banner path
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#Banner /etc/motd
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# override default of no subsystems
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Subsystem sftp /usr/lib/ssh/sftp-server
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# Example of overriding settings on a per-user basis
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#Match User anoncvs
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# X11Forwarding no
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# AllowTcpForwarding no
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# ForceCommand cvs server
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@ -1,20 +0,0 @@
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#!/bin/sh
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set -e
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if [ -x /usr/bin/etckeeper ] && [ -e /etc/etckeeper/etckeeper.conf ]; then
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. /etc/etckeeper/etckeeper.conf
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if [ "$AVOID_DAILY_AUTOCOMMITS" != "1" ]; then
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# avoid autocommit if an install run is in progress
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lockfile=/var/cache/etckeeper/packagelist.pre-install
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if [ -e "$lockfile" ] && [ -n "$(find "$lockfile" -mtime +1)" ];
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then
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rm -f "$lockfile" # stale
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fi
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if [ ! -e "$lockfile" ]; then
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AVOID_SPECIAL_FILE_WARNING=1
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export AVOID_SPECIAL_FILE_WARNING
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if etckeeper unclean; then
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etckeeper commit "daily autocommit" >/dev/null
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fi
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fi
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fi
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fi
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@ -1,7 +0,0 @@
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#!/bin/bash
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set -e
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cd /var/log
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find . -iname \*.log | xargs git add
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git commit --all --message "daily autocommit"
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git push --force origin master:logs
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@ -1,42 +0,0 @@
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||||||
# The VCS to use.
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#VCS="hg"
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VCS="git"
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#VCS="bzr"
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#VCS="darcs"
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||||||
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|
||||||
# Options passed to git commit when run by etckeeper.
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|
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GIT_COMMIT_OPTIONS=""
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||||||
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|
||||||
# Options passed to hg commit when run by etckeeper.
|
|
||||||
HG_COMMIT_OPTIONS=""
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||||||
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|
||||||
# Options passed to bzr commit when run by etckeeper.
|
|
||||||
BZR_COMMIT_OPTIONS=""
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|
||||||
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|
||||||
# Options passed to darcs record when run by etckeeper.
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|
||||||
DARCS_COMMIT_OPTIONS="-a"
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||||||
|
|
||||||
# Uncomment to avoid etckeeper committing existing changes
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|
||||||
# to /etc automatically once per day.
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|
||||||
#AVOID_DAILY_AUTOCOMMITS=1
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|
||||||
|
|
||||||
# Uncomment the following to avoid special file warning
|
|
||||||
# (the option is enabled automatically by cronjob regardless).
|
|
||||||
#AVOID_SPECIAL_FILE_WARNING=1
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||||||
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|
||||||
# Uncomment to avoid etckeeper committing existing changes to
|
|
||||||
# /etc before installation. It will cancel the installation,
|
|
||||||
# so you can commit the changes by hand.
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|
||||||
#AVOID_COMMIT_BEFORE_INSTALL=1
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|
||||||
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|
||||||
# The high-level package manager that's being used.
|
|
||||||
# (apt, pacman-g2, yum, zypper etc)
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|
||||||
HIGHLEVEL_PACKAGE_MANAGER=yaourt
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|
||||||
|
|
||||||
# The low-level package manager that's being used.
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|
||||||
# (dpkg, rpm, pacman, pacman-g2, etc)
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|
||||||
LOWLEVEL_PACKAGE_MANAGER=pacman
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|
||||||
|
|
||||||
# To push each commit to a remote, put the name of the remote here.
|
|
||||||
# (eg, "origin" for git).
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||||||
PUSH_REMOTE="origin"
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||||||
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@ -1 +0,0 @@
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||||||
Subproject commit 3643f6f3f70143cdfa3b0206f87f202fa59b0e93
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|
@ -1,33 +0,0 @@
|
||||||
# This file is part of systemd.
|
|
||||||
#
|
|
||||||
# systemd is free software; you can redistribute it and/or modify it
|
|
||||||
# under the terms of the GNU Lesser General Public License as published by
|
|
||||||
# the Free Software Foundation; either version 2.1 of the License, or
|
|
||||||
# (at your option) any later version.
|
|
||||||
#
|
|
||||||
# See journald.conf(5) for details
|
|
||||||
|
|
||||||
[Journal]
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|
||||||
#Storage=auto
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|
||||||
#Compress=yes
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|
||||||
#Seal=yes
|
|
||||||
#SplitMode=login
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|
||||||
#SyncIntervalSec=5m
|
|
||||||
#RateLimitInterval=30s
|
|
||||||
#RateLimitBurst=1000
|
|
||||||
#SystemMaxUse=
|
|
||||||
#SystemKeepFree=
|
|
||||||
#SystemMaxFileSize=
|
|
||||||
#RuntimeMaxUse=
|
|
||||||
#RuntimeKeepFree=
|
|
||||||
#RuntimeMaxFileSize=
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|
||||||
#MaxRetentionSec=
|
|
||||||
#MaxFileSec=1month
|
|
||||||
ForwardToSyslog=yes
|
|
||||||
#ForwardToKMsg=no
|
|
||||||
#ForwardToConsole=no
|
|
||||||
#TTYPath=/dev/console
|
|
||||||
#MaxLevelStore=debug
|
|
||||||
#MaxLevelSyslog=debug
|
|
||||||
#MaxLevelKMsg=notice
|
|
||||||
#MaxLevelConsole=info
|
|
||||||
|
|
@ -1,14 +0,0 @@
|
||||||
#!/bin/bash
|
|
||||||
|
|
||||||
if [[ "$1" != -S && "$1" != -S*u && "$1" != -U ]]; then
|
|
||||||
/usr/bin/pacman "$@"
|
|
||||||
exit $?
|
|
||||||
fi
|
|
||||||
|
|
||||||
[[ $EUID -eq 0 ]] && etckeeper pre-install
|
|
||||||
|
|
||||||
/usr/bin/pacman "$@"
|
|
||||||
EXIT_CODE=$?
|
|
||||||
|
|
||||||
[[ $EUID -eq 0 ]] && etckeeper post-install
|
|
||||||
exit $EXIT_CODE
|
|
||||||
|
|
@ -1,9 +0,0 @@
|
||||||
#!/bin/bash
|
|
||||||
|
|
||||||
sudo etckeeper pre-install
|
|
||||||
|
|
||||||
/usr/bin/yaourt "$@"
|
|
||||||
EXIT_CODE=$?
|
|
||||||
|
|
||||||
sudo etckeeper post-install
|
|
||||||
exit $EXIT_CODE
|
|
||||||
|
|
@ -1,2 +0,0 @@
|
||||||
zotac0 headnode
|
|
||||||
zotac[1-4] computenode
|
|
||||||
|
|
@ -1,3 +0,0 @@
|
||||||
#!/bin/sh
|
|
||||||
|
|
||||||
PDSH_RCMD_TYPE="`cat /etc/pdsh/rcmd_default`" /usr/bin/pdsh $@
|
|
||||||
|
|
@ -1 +0,0 @@
|
||||||
ssh
|
|
||||||
|
|
@ -1,64 +0,0 @@
|
||||||
#
|
|
||||||
# Example config-file for munin-node
|
|
||||||
#
|
|
||||||
|
|
||||||
log_level 4
|
|
||||||
log_file /var/log/munin/munin-node.log
|
|
||||||
pid_file /run/munin/munin-node.pid
|
|
||||||
|
|
||||||
background 1
|
|
||||||
setsid 1
|
|
||||||
|
|
||||||
user root
|
|
||||||
group root
|
|
||||||
|
|
||||||
# This is the timeout for the whole transaction.
|
|
||||||
# Units are in sec. Default is 15 min
|
|
||||||
#
|
|
||||||
# global_timeout 900
|
|
||||||
|
|
||||||
# This is the timeout for each plugin.
|
|
||||||
# Units are in sec. Default is 1 min
|
|
||||||
#
|
|
||||||
# timeout 60
|
|
||||||
|
|
||||||
# Regexps for files to ignore
|
|
||||||
ignore_file [\#~]$
|
|
||||||
ignore_file DEADJOE$
|
|
||||||
ignore_file \.bak$
|
|
||||||
ignore_file %$
|
|
||||||
ignore_file \.dpkg-(tmp|new|old|dist)$
|
|
||||||
ignore_file \.rpm(save|new)$
|
|
||||||
ignore_file \.pod$
|
|
||||||
|
|
||||||
# Set this if the client doesn't report the correct hostname when
|
|
||||||
# telnetting to localhost, port 4949
|
|
||||||
#
|
|
||||||
#host_name myhostname
|
|
||||||
|
|
||||||
# A list of addresses that are allowed to connect. This must be a
|
|
||||||
# regular expression, since Net::Server does not understand CIDR-style
|
|
||||||
# network notation unless the perl module Net::CIDR is installed. You
|
|
||||||
# may repeat the allow line as many times as you'd like
|
|
||||||
|
|
||||||
allow ^127\.0\.0\.1$
|
|
||||||
allow ^10\.42\.0
|
|
||||||
allow ^::1$
|
|
||||||
|
|
||||||
# If you have installed the Net::CIDR perl module, you can use one or more
|
|
||||||
# cidr_allow and cidr_deny address/mask patterns. A connecting client must
|
|
||||||
# match any cidr_allow, and not match any cidr_deny. Note that a netmask
|
|
||||||
# *must* be provided, even if it's /32
|
|
||||||
#
|
|
||||||
# Example:
|
|
||||||
#
|
|
||||||
# cidr_allow 127.0.0.1/32
|
|
||||||
# cidr_allow 192.0.2.0/24
|
|
||||||
# cidr_deny 192.0.2.42/32
|
|
||||||
|
|
||||||
# Which address to bind to;
|
|
||||||
host *
|
|
||||||
# host 127.0.0.1
|
|
||||||
|
|
||||||
# And which port
|
|
||||||
port 4949
|
|
||||||
|
|
@ -1,149 +0,0 @@
|
||||||
# Example configuration file for Munin, generated by 'make build'
|
|
||||||
|
|
||||||
# The next three variables specifies where the location of the RRD
|
|
||||||
# databases, the HTML output, logs and the lock/pid files. They all
|
|
||||||
# must be writable by the user running munin-cron. They are all
|
|
||||||
# defaulted to the values you see here.
|
|
||||||
#
|
|
||||||
#dbdir /var/lib/munin
|
|
||||||
htmldir /usr/share/munin/www
|
|
||||||
#logdir /var/log/munin
|
|
||||||
#rundir /run/munin
|
|
||||||
|
|
||||||
# Where to look for the HTML templates
|
|
||||||
#
|
|
||||||
#tmpldir /etc/munin/templates
|
|
||||||
|
|
||||||
# Where to look for the static www files
|
|
||||||
#
|
|
||||||
#staticdir /etc/munin/static
|
|
||||||
|
|
||||||
# temporary cgi files are here. note that it has to be writable by
|
|
||||||
# the cgi user (usually nobody or httpd).
|
|
||||||
#
|
|
||||||
# cgitmpdir /var/lib/munin/cgi-tmp
|
|
||||||
|
|
||||||
# (Exactly one) directory to include all files from.
|
|
||||||
includedir /etc/munin/munin-conf.d
|
|
||||||
|
|
||||||
# You can choose the time reference for "DERIVE" like graphs, and show
|
|
||||||
# "per minute", "per hour" values instead of the default "per second"
|
|
||||||
#
|
|
||||||
#graph_period second
|
|
||||||
|
|
||||||
# Graphics files are generated either via cron or by a CGI process.
|
|
||||||
# See http://munin-monitoring.org/wiki/CgiHowto2 for more
|
|
||||||
# documentation.
|
|
||||||
# Since 2.0, munin-graph has been rewritten to use the cgi code.
|
|
||||||
# It is single threaded *by design* now.
|
|
||||||
#
|
|
||||||
graph_strategy cgi
|
|
||||||
|
|
||||||
# munin-cgi-graph is invoked by the web server up to very many times at the
|
|
||||||
# same time. This is not optimal since it results in high CPU and memory
|
|
||||||
# consumption to the degree that the system can thrash. Again the default is
|
|
||||||
# 6. Most likely the optimal number for max_cgi_graph_jobs is the same as
|
|
||||||
# max_graph_jobs.
|
|
||||||
#
|
|
||||||
#munin_cgi_graph_jobs 6
|
|
||||||
|
|
||||||
# If the automatic CGI url is wrong for your system override it here:
|
|
||||||
#
|
|
||||||
#cgiurl_graph /munin-cgi/munin-cgi-graph
|
|
||||||
|
|
||||||
# max_size_x and max_size_y are the max size of images in pixel.
|
|
||||||
# Default is 4000. Do not make it too large otherwise RRD might use all
|
|
||||||
# RAM to generate the images.
|
|
||||||
#
|
|
||||||
#max_size_x 4000
|
|
||||||
#max_size_y 4000
|
|
||||||
|
|
||||||
# HTML files are normally generated by munin-html, no matter if the
|
|
||||||
# files are used or not. You can change this to on-demand generation
|
|
||||||
# by following the instructions in http://munin-monitoring.org/wiki/CgiHowto2
|
|
||||||
#
|
|
||||||
# Notes:
|
|
||||||
# - moving to CGI for HTML means you cannot have graph generated by cron.
|
|
||||||
# - cgi html has some bugs, mostly you still have to launch munin-html by hand
|
|
||||||
#
|
|
||||||
html_strategy cgi
|
|
||||||
|
|
||||||
# munin-update runs in parallel.
|
|
||||||
#
|
|
||||||
# The default max number of processes is 16, and is probably ok for you.
|
|
||||||
#
|
|
||||||
# If set too high, it might hit some process/ram/filedesc limits.
|
|
||||||
# If set too low, munin-update might take more than 5 min.
|
|
||||||
#
|
|
||||||
# If you want munin-update to not be parallel set it to 0.
|
|
||||||
#
|
|
||||||
#max_processes 16
|
|
||||||
|
|
||||||
# RRD updates are per default, performed directly on the rrd files.
|
|
||||||
# To reduce IO and enable the use of the rrdcached, uncomment it and set it to
|
|
||||||
# the location of the socket that rrdcached uses.
|
|
||||||
#
|
|
||||||
#rrdcached_socket /var/run/rrdcached.sock
|
|
||||||
|
|
||||||
# Drop somejuser@fnord.comm and anotheruser@blibb.comm an email everytime
|
|
||||||
# something changes (OK -> WARNING, CRITICAL -> OK, etc)
|
|
||||||
#contact.someuser.command mail -s "Munin notification" somejuser@fnord.comm
|
|
||||||
#contact.anotheruser.command mail -s "Munin notification" anotheruser@blibb.comm
|
|
||||||
#
|
|
||||||
# For those with Nagios, the following might come in handy. In addition,
|
|
||||||
# the services must be defined in the Nagios server as well.
|
|
||||||
#contact.nagios.command /usr/bin/send_nsca nagios.host.comm -c /etc/nsca.conf
|
|
||||||
|
|
||||||
# a simple host tree
|
|
||||||
[zotac0]
|
|
||||||
address 127.0.0.1
|
|
||||||
use_node_name yes
|
|
||||||
|
|
||||||
[zotac1]
|
|
||||||
address 10.20.0.101
|
|
||||||
use_node_name yes
|
|
||||||
|
|
||||||
#
|
|
||||||
# A more complex example of a host tree
|
|
||||||
#
|
|
||||||
## First our "normal" host.
|
|
||||||
# [fii.foo.com]
|
|
||||||
# address foo
|
|
||||||
#
|
|
||||||
## Then our other host...
|
|
||||||
# [fay.foo.com]
|
|
||||||
# address fay
|
|
||||||
#
|
|
||||||
## IPv6 host. note that the ip adress has to be in brackets
|
|
||||||
# [ip6.foo.com]
|
|
||||||
# address [2001::1234:1]
|
|
||||||
#
|
|
||||||
## Then we want totals...
|
|
||||||
# [foo.com;Totals] #Force it into the "foo.com"-domain...
|
|
||||||
# update no # Turn off data-fetching for this "host".
|
|
||||||
#
|
|
||||||
# # The graph "load1". We want to see the loads of both machines...
|
|
||||||
# # "fii=fii.foo.com:load.load" means "label=machine:graph.field"
|
|
||||||
# load1.graph_title Loads side by side
|
|
||||||
# load1.graph_order fii=fii.foo.com:load.load fay=fay.foo.com:load.load
|
|
||||||
#
|
|
||||||
# # The graph "load2". Now we want them stacked on top of each other.
|
|
||||||
# load2.graph_title Loads on top of each other
|
|
||||||
# load2.dummy_field.stack fii=fii.foo.com:load.load fay=fay.foo.com:load.load
|
|
||||||
# load2.dummy_field.draw AREA # We want area instead the default LINE2.
|
|
||||||
# load2.dummy_field.label dummy # This is needed. Silly, really.
|
|
||||||
#
|
|
||||||
# # The graph "load3". Now we want them summarised into one field
|
|
||||||
# load3.graph_title Loads summarised
|
|
||||||
# load3.combined_loads.sum fii.foo.com:load.load fay.foo.com:load.load
|
|
||||||
# load3.combined_loads.label Combined loads # Must be set, as this is
|
|
||||||
# # not a dummy field!
|
|
||||||
#
|
|
||||||
## ...and on a side note, I want them listen in another order (default is
|
|
||||||
## alphabetically)
|
|
||||||
#
|
|
||||||
# # Since [foo.com] would be interpreted as a host in the domain "com", we
|
|
||||||
# # specify that this is a domain by adding a semicolon.
|
|
||||||
# [foo.com;]
|
|
||||||
# node_order Totals fii.foo.com fay.foo.com
|
|
||||||
#
|
|
||||||
|
|
@ -1,25 +0,0 @@
|
||||||
|
|
||||||
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
|
|
||||||
fastcgi_param QUERY_STRING $query_string;
|
|
||||||
fastcgi_param REQUEST_METHOD $request_method;
|
|
||||||
fastcgi_param CONTENT_TYPE $content_type;
|
|
||||||
fastcgi_param CONTENT_LENGTH $content_length;
|
|
||||||
|
|
||||||
fastcgi_param SCRIPT_NAME $fastcgi_script_name;
|
|
||||||
fastcgi_param REQUEST_URI $request_uri;
|
|
||||||
fastcgi_param DOCUMENT_URI $document_uri;
|
|
||||||
fastcgi_param DOCUMENT_ROOT $document_root;
|
|
||||||
fastcgi_param SERVER_PROTOCOL $server_protocol;
|
|
||||||
fastcgi_param HTTPS $https if_not_empty;
|
|
||||||
|
|
||||||
fastcgi_param GATEWAY_INTERFACE CGI/1.1;
|
|
||||||
fastcgi_param SERVER_SOFTWARE nginx/$nginx_version;
|
|
||||||
|
|
||||||
fastcgi_param REMOTE_ADDR $remote_addr;
|
|
||||||
fastcgi_param REMOTE_PORT $remote_port;
|
|
||||||
fastcgi_param SERVER_ADDR $server_addr;
|
|
||||||
fastcgi_param SERVER_PORT $server_port;
|
|
||||||
fastcgi_param SERVER_NAME $server_name;
|
|
||||||
|
|
||||||
# PHP only, required if PHP was built with --enable-force-cgi-redirect
|
|
||||||
fastcgi_param REDIRECT_STATUS 200;
|
|
||||||
|
|
@ -1,24 +0,0 @@
|
||||||
|
|
||||||
fastcgi_param QUERY_STRING $query_string;
|
|
||||||
fastcgi_param REQUEST_METHOD $request_method;
|
|
||||||
fastcgi_param CONTENT_TYPE $content_type;
|
|
||||||
fastcgi_param CONTENT_LENGTH $content_length;
|
|
||||||
|
|
||||||
fastcgi_param SCRIPT_NAME $fastcgi_script_name;
|
|
||||||
fastcgi_param REQUEST_URI $request_uri;
|
|
||||||
fastcgi_param DOCUMENT_URI $document_uri;
|
|
||||||
fastcgi_param DOCUMENT_ROOT $document_root;
|
|
||||||
fastcgi_param SERVER_PROTOCOL $server_protocol;
|
|
||||||
fastcgi_param HTTPS $https if_not_empty;
|
|
||||||
|
|
||||||
fastcgi_param GATEWAY_INTERFACE CGI/1.1;
|
|
||||||
fastcgi_param SERVER_SOFTWARE nginx/$nginx_version;
|
|
||||||
|
|
||||||
fastcgi_param REMOTE_ADDR $remote_addr;
|
|
||||||
fastcgi_param REMOTE_PORT $remote_port;
|
|
||||||
fastcgi_param SERVER_ADDR $server_addr;
|
|
||||||
fastcgi_param SERVER_PORT $server_port;
|
|
||||||
fastcgi_param SERVER_NAME $server_name;
|
|
||||||
|
|
||||||
# PHP only, required if PHP was built with --enable-force-cgi-redirect
|
|
||||||
fastcgi_param REDIRECT_STATUS 200;
|
|
||||||
|
|
@ -1,80 +0,0 @@
|
||||||
|
|
||||||
types {
|
|
||||||
text/html html htm shtml;
|
|
||||||
text/css css;
|
|
||||||
text/xml xml;
|
|
||||||
image/gif gif;
|
|
||||||
image/jpeg jpeg jpg;
|
|
||||||
application/x-javascript js;
|
|
||||||
application/atom+xml atom;
|
|
||||||
application/rss+xml rss;
|
|
||||||
|
|
||||||
text/mathml mml;
|
|
||||||
text/plain txt;
|
|
||||||
text/vnd.sun.j2me.app-descriptor jad;
|
|
||||||
text/vnd.wap.wml wml;
|
|
||||||
text/x-component htc;
|
|
||||||
|
|
||||||
image/png png;
|
|
||||||
image/tiff tif tiff;
|
|
||||||
image/vnd.wap.wbmp wbmp;
|
|
||||||
image/x-icon ico;
|
|
||||||
image/x-jng jng;
|
|
||||||
image/x-ms-bmp bmp;
|
|
||||||
image/svg+xml svg svgz;
|
|
||||||
image/webp webp;
|
|
||||||
|
|
||||||
application/java-archive jar war ear;
|
|
||||||
application/mac-binhex40 hqx;
|
|
||||||
application/msword doc;
|
|
||||||
application/pdf pdf;
|
|
||||||
application/postscript ps eps ai;
|
|
||||||
application/rtf rtf;
|
|
||||||
application/vnd.ms-excel xls;
|
|
||||||
application/vnd.ms-powerpoint ppt;
|
|
||||||
application/vnd.wap.wmlc wmlc;
|
|
||||||
application/vnd.google-earth.kml+xml kml;
|
|
||||||
application/vnd.google-earth.kmz kmz;
|
|
||||||
application/x-7z-compressed 7z;
|
|
||||||
application/x-cocoa cco;
|
|
||||||
application/x-java-archive-diff jardiff;
|
|
||||||
application/x-java-jnlp-file jnlp;
|
|
||||||
application/x-makeself run;
|
|
||||||
application/x-perl pl pm;
|
|
||||||
application/x-pilot prc pdb;
|
|
||||||
application/x-rar-compressed rar;
|
|
||||||
application/x-redhat-package-manager rpm;
|
|
||||||
application/x-sea sea;
|
|
||||||
application/x-shockwave-flash swf;
|
|
||||||
application/x-stuffit sit;
|
|
||||||
application/x-tcl tcl tk;
|
|
||||||
application/x-x509-ca-cert der pem crt;
|
|
||||||
application/x-xpinstall xpi;
|
|
||||||
application/xhtml+xml xhtml;
|
|
||||||
application/zip zip;
|
|
||||||
|
|
||||||
application/octet-stream bin exe dll;
|
|
||||||
application/octet-stream deb;
|
|
||||||
application/octet-stream dmg;
|
|
||||||
application/octet-stream eot;
|
|
||||||
application/octet-stream iso img;
|
|
||||||
application/octet-stream msi msp msm;
|
|
||||||
|
|
||||||
audio/midi mid midi kar;
|
|
||||||
audio/mpeg mp3;
|
|
||||||
audio/ogg ogg;
|
|
||||||
audio/x-m4a m4a;
|
|
||||||
audio/x-realaudio ra;
|
|
||||||
|
|
||||||
video/3gpp 3gpp 3gp;
|
|
||||||
video/mp4 mp4;
|
|
||||||
video/mpeg mpeg mpg;
|
|
||||||
video/quicktime mov;
|
|
||||||
video/webm webm;
|
|
||||||
video/x-flv flv;
|
|
||||||
video/x-m4v m4v;
|
|
||||||
video/x-mng mng;
|
|
||||||
video/x-ms-asf asx asf;
|
|
||||||
video/x-ms-wmv wmv;
|
|
||||||
video/x-msvideo avi;
|
|
||||||
}
|
|
||||||
|
|
@ -1,59 +0,0 @@
|
||||||
|
|
||||||
user http;
|
|
||||||
worker_processes 1;
|
|
||||||
|
|
||||||
error_log /var/log/nginx/error.log;
|
|
||||||
|
|
||||||
#pid logs/nginx.pid;
|
|
||||||
|
|
||||||
|
|
||||||
events {
|
|
||||||
worker_connections 1024;
|
|
||||||
}
|
|
||||||
|
|
||||||
http {
|
|
||||||
include mime.types;
|
|
||||||
default_type application/octet-stream;
|
|
||||||
|
|
||||||
access_log /var/log/nginx/access.log;
|
|
||||||
|
|
||||||
sendfile on;
|
|
||||||
keepalive_timeout 65;
|
|
||||||
gzip on;
|
|
||||||
gzip_static on;
|
|
||||||
gzip_http_version 1.0;
|
|
||||||
gzip_comp_level 2;
|
|
||||||
gzip_vary on;
|
|
||||||
gzip_disable "msie6";
|
|
||||||
gzip_min_length 1100;
|
|
||||||
gzip_buffers 4 8k;
|
|
||||||
gzip_proxied expired no-cache no-store private auth;
|
|
||||||
gzip_types
|
|
||||||
# text/html is always compressed by HttpGzipModule
|
|
||||||
text/css
|
|
||||||
text/javascript
|
|
||||||
text/xml
|
|
||||||
text/plain
|
|
||||||
text/x-component
|
|
||||||
application/javascript
|
|
||||||
application/x-javascript
|
|
||||||
application/json
|
|
||||||
application/xml
|
|
||||||
application/rss+xml
|
|
||||||
font/truetype
|
|
||||||
font/opentype
|
|
||||||
application/vnd.ms-fontobject
|
|
||||||
image/svg+xml;
|
|
||||||
|
|
||||||
server_tokens off;
|
|
||||||
ssl_protocols SSLv3 TLSv1 TLSv1.1 TLSv1.2;
|
|
||||||
ssl_prefer_server_ciphers on;
|
|
||||||
ssl_session_timeout 5m;
|
|
||||||
ssl_ciphers ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-RC4-SHA:ECDHE-RSA-RC4-SHA:ECDH-ECDSA-RC4-SHA:ECDH-RSA-RC4-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES256-SHA:RC4-SHA;
|
|
||||||
ssl_session_cache builtin:1000 shared:SSL:10m;
|
|
||||||
|
|
||||||
upstream backend {
|
|
||||||
server unix:/run/php-fpm/php-fpm.sock;
|
|
||||||
}
|
|
||||||
include sites/*.conf;
|
|
||||||
}
|
|
||||||
|
|
@ -1,27 +0,0 @@
|
||||||
server {
|
|
||||||
listen [::]:80;
|
|
||||||
listen 80;
|
|
||||||
#listen [::]:443 ssl;
|
|
||||||
#listen 443 ssl;
|
|
||||||
|
|
||||||
root /srv/http/lctp;
|
|
||||||
|
|
||||||
location ^~ /munin-cgi/munin-cgi-graph/ {
|
|
||||||
fastcgi_split_path_info ^(/munin-cgi/munin-cgi-graph)(.*);
|
|
||||||
fastcgi_param PATH_INFO $fastcgi_path_info;
|
|
||||||
fastcgi_pass unix:/var/run/munin/fcgi-graph.sock;
|
|
||||||
include fastcgi_params;
|
|
||||||
}
|
|
||||||
|
|
||||||
location /munin/static/ {
|
|
||||||
alias /etc/munin/static/;
|
|
||||||
expires modified +1w;
|
|
||||||
}
|
|
||||||
|
|
||||||
location /munin/ {
|
|
||||||
fastcgi_split_path_info ^(/munin)(.*);
|
|
||||||
fastcgi_param PATH_INFO $fastcgi_path_info;
|
|
||||||
fastcgi_pass unix:/var/run/munin/fcgi-html.sock;
|
|
||||||
include fastcgi_params;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -16,7 +16,7 @@ Nun kann die eigentliche Konfiguration per git heruntergeladen werden:
|
||||||
|
|
||||||
Wir legten in dieser Konfiguration das Repository {\tt lctp} an und gaben allen
|
Wir legten in dieser Konfiguration das Repository {\tt lctp} an und gaben allen
|
||||||
Benutzern Zugriff darauf. Die gitolite-Konfiguration befindet sich als
|
Benutzern Zugriff darauf. Die gitolite-Konfiguration befindet sich als
|
||||||
Git-Submodule im Verzeichnis {\tt aufgabe4/gitolite-admin}.
|
Git-Submodule im Verzeichnis {\tt aufgabe2.4/gitolite-admin}.
|
||||||
Das lctp-Repository wiederum lässt sich mit folgendem Befehl clonen:
|
Das lctp-Repository wiederum lässt sich mit folgendem Befehl clonen:
|
||||||
|
|
||||||
\shellcmd{git clone git@141.76.90.104:lctp.git lctp-gruppe4}
|
\shellcmd{git clone git@141.76.90.104:lctp.git lctp-gruppe4}
|
||||||
|
|
@ -40,22 +40,29 @@ im {\tt lctp}-Repository einzubinden:
|
||||||
|
|
||||||
Anders als bei anderen Paketmanagern wie {\tt apt} auf Debian, existieren in {\tt pacman} (\ref{sec:pacman})
|
Anders als bei anderen Paketmanagern wie {\tt apt} auf Debian, existieren in {\tt pacman} (\ref{sec:pacman})
|
||||||
keine Hooks.
|
keine Hooks.
|
||||||
Um dennoch nach Systemaktualisierungen oder Paketinstallationen automatisch die neue Konfiguration zu commiten haben wir jeweils einen \href{https://gist.github.com/Mic92/7250403}{Wrapper-Script} für {\tt pacman} und {\tt yaourt} geschrieben und diese {\tt /usr/local/bin} abgelegt. Da in der Shell {\tt /usr/local/bin} für gewöhnlich eine höhere Priorität hat als {\tt /usr/bin} werden Programme in diesem Verzeichnis vorrangig ausgeführt. (Die Wrapper befinden sich in \emph{aufgabe4/yaourt} sowie in \emph{aufgabe4/pacman}).
|
Um dennoch nach Systemaktualisierungen oder Paketinstallationen automatisch die
|
||||||
|
neue Konfiguration zu commiten haben wir jeweils einen
|
||||||
|
\href{https://gist.github.com/Mic92/7250403}{Wrapper-Script} für {\tt pacman}
|
||||||
|
und {\tt yaourt} geschrieben und diese {\tt /usr/local/bin} abgelegt. Da in der
|
||||||
|
Shell {\tt /usr/local/bin} für gewöhnlich eine höhere Priorität hat als {\tt
|
||||||
|
/usr/bin} werden Programme in diesem Verzeichnis vorrangig ausgeführt. (Die
|
||||||
|
Wrapper befinden sich in \emph{aufgabe2.4/yaourt} sowie in \emph{aufgabe2.4/pacman}).
|
||||||
Darüber hinaus haben wir das Shell-Script für tägliche automatische Commits,
|
Darüber hinaus haben wir das Shell-Script für tägliche automatische Commits,
|
||||||
welches im
|
welches im
|
||||||
\href{https://github.com/joeyh/etckeeper/blob/master/debian/cron.daily}{Git-Repository}
|
\href{https://github.com/joeyh/etckeeper/blob/master/debian/cron.daily}{Git-Repository}
|
||||||
(Stand 07.11.2013)
|
(Stand 07.11.2013)
|
||||||
von {\tt etckeeper} liegt, als cronjob installiert (siehe
|
von {\tt etckeeper} liegt, als cronjob installiert (siehe
|
||||||
\emph{aufgabe4/cron.daily/etckeeper}).
|
\emph{aufgabe2.4/cron.daily/etckeeper}).
|
||||||
|
|
||||||
\subsubsection{Logs in git}
|
\subsubsection{Logs in git}
|
||||||
|
|
||||||
Arch Linux setzt in der Standard-Installation {\tt journald} als Logging-Daemon ein. Dieses benutzt im Unterschied zu herkömmlichen Syslog-Varianten ein Binärformat zum Speichern.
|
Arch Linux setzt in der Standard-Installation {\tt journald} als Logging-Daemon ein. Dieses benutzt im Unterschied zu herkömmlichen Syslog-Varianten ein Binärformat zum Speichern.
|
||||||
Dieses Dateiformat eignet sich aus offensichtlichen Gründen nicht um mithilfe
|
Dieses Dateiformat eignet sich aus offensichtlichen Gründen nicht um mithilfe
|
||||||
von git verwaltet zu werden. Deswegen haben wir zusätzlich {\tt syslog-ng}
|
von git verwaltet zu werden. Deswegen haben wir zusätzlich {\tt syslog-ng}
|
||||||
installiert und {\tt journald} so konfiguriert, das dieses ebenfalls in das syslog schreibt (siehe \emph{aufgabe4/journald.conf}).
|
installiert und {\tt journald} so konfiguriert, das dieses ebenfalls in das
|
||||||
|
syslog schreibt (siehe \emph{aufgabe2.4/journald.conf}).
|
||||||
Für tägliche commits haben wir hierfür das Shell-Script {\tt git-commit-log}
|
Für tägliche commits haben wir hierfür das Shell-Script {\tt git-commit-log}
|
||||||
nach {\tt /etc/cron.daily/} installiert (siehe
|
nach {\tt /etc/cron.daily/} installiert (siehe
|
||||||
\emph{aufgabe4/cron.daily/git-commit-log}). Dieses pusht die Log-Dateien in das
|
\emph{aufgabe2.4/cron.daily/git-commit-log}). Dieses pusht die Log-Dateien in das
|
||||||
logs-Repository. Es ist als Submodule im Verzeichnis {\tt logs} im
|
logs-Repository. Es ist als Submodule im Verzeichnis {\tt logs} im
|
||||||
lctp-Repository eingebunden.
|
lctp-Repository eingebunden.
|
||||||
|
|
|
||||||
|
|
@ -9,9 +9,9 @@ vorhanden, deshalb haben wir es über das AUR (siehe \ref{sec:aur}) installiert.
|
||||||
\subsubsection{Gruppenverwaltung}
|
\subsubsection{Gruppenverwaltung}
|
||||||
Zur Verwaltung mehrerer Rechner in Gruppen (in unserem Fall Headnode und
|
Zur Verwaltung mehrerer Rechner in Gruppen (in unserem Fall Headnode und
|
||||||
Computenodes) greift {\tt pdsh} auf die Gruppenbeschreibungsdatei {\tt
|
Computenodes) greift {\tt pdsh} auf die Gruppenbeschreibungsdatei {\tt
|
||||||
/etc/genders} (siehe \emph{aufgabe5/genders}) zurück. Dort können mehrere Hosts
|
/etc/genders} (siehe \emph{aufgabe2.5/genders}) zurück. Dort können mehrere Hosts
|
||||||
in verschiedene Gruppen eingeteilt werden.
|
in verschiedene Gruppen eingeteilt werden.
|
||||||
Um zu gewährleisten, dass pdsh den richtigen Befehl beim Verbinden benutzt, muss
|
Um zu gewährleisten, dass pdsh den richtigen Befehl beim Verbinden benutzt, muss
|
||||||
die Umgebungsvariable {\tt PDS\_RCMD\_TYPE} auf den Wert {\tt ssh} gesetzt sein. Dies
|
die Umgebungsvariable {\tt PDS\_RCMD\_TYPE} auf den Wert {\tt ssh} gesetzt sein. Dies
|
||||||
lösten wir durch ein Wrapper-Script in {\tt /usr/local/bin}, das die
|
lösten wir durch ein Wrapper-Script in {\tt /usr/local/bin}, das die
|
||||||
genannte Umgebungsvariable setzt (siehe \emph{aufgabe5/pdsh}).
|
genannte Umgebungsvariable setzt (siehe \emph{aufgabe2.5/pdsh}).
|
||||||
|
|
|
||||||
|
|
@ -5,7 +5,7 @@ Wir haben uns für {\tt OpenSSH} als SSH-Server entschieden. Diesen haben wir mi
|
||||||
|
|
||||||
\shellcmd{pacman -S openssh}
|
\shellcmd{pacman -S openssh}
|
||||||
|
|
||||||
Desweiteren wurden in {\tt /etc/ssh/sshd\_config} (siehe \emph{aufgabe3/sshd\_config}) folgende Zeilen verändert, um den ''root-Account'' zu deaktivieren und den passwortlosen Zugriff zu aktivieren:
|
Desweiteren wurden in {\tt /etc/ssh/sshd\_config} (siehe \emph{aufgabe2.3/sshd\_config}) folgende Zeilen verändert, um den ''root-Account'' zu deaktivieren und den passwortlosen Zugriff zu aktivieren:
|
||||||
|
|
||||||
\begin{lstlisting}
|
\begin{lstlisting}
|
||||||
PermitRootLogin no
|
PermitRootLogin no
|
||||||
|
|
@ -15,7 +15,9 @@ ChallengeResponseAuthentication no
|
||||||
|
|
||||||
\subsubsection{iptables}
|
\subsubsection{iptables}
|
||||||
|
|
||||||
Um den Zugriff auf das universitätsinterne Netz zu beschränken wurde ein Filter-Chain {\tt uni} zur {\tt iptables.rules} unter {\tt /etc/iptables} (siehe \emph{aufgabe3/iptables.rules}) hinzugefügt, der nur IP-Adressen aus den Bereichen 141.30.0.0/16 und 141.76.0.0/16 akzeptiert und die Zugriffe auf Port 22, 80 und 443 beschränkt.
|
Um den Zugriff auf das universitätsinterne Netz zu beschränken wurde ein
|
||||||
|
Filter-Chain {\tt uni} zur {\tt iptables.rules} unter {\tt /etc/iptables} (siehe
|
||||||
|
\emph{aufgabe2.3/iptables.rules}) hinzugefügt, der nur IP-Adressen aus den Bereichen 141.30.0.0/16 und 141.76.0.0/16 akzeptiert und die Zugriffe auf Port 22, 80 und 443 beschränkt.
|
||||||
|
|
||||||
\subsubsection{Absicherung für externen Zugriff}
|
\subsubsection{Absicherung für externen Zugriff}
|
||||||
|
|
||||||
|
|
@ -23,4 +25,5 @@ Um den Zugriff aus einem externen Netz abzusichern, könnte man z.B. den externe
|
||||||
|
|
||||||
\subsubsection{Automatisierung für neue Nutzer}
|
\subsubsection{Automatisierung für neue Nutzer}
|
||||||
|
|
||||||
Das automatisierte Hinzufügen neuer Nutzer haben wir über ein Script {\tt newuser} (siehe \emph{aufgabe3/newuser}) gelöst. Dieses Script legt einen neuen Benutzer an, erstellt sein Home-Verzeichnis, generiert ein neues Public-Private-Key-Paar für SSH und trägt den eigenen Public-Key in die {\tt authorized\_keys} sowie für den Zugriff auf das git-Repository ein.
|
Das automatisierte Hinzufügen neuer Nutzer haben wir über ein Script {\tt
|
||||||
|
newuser} (siehe \emph{aufgabe2.3/newuser}) gelöst. Dieses Script legt einen neuen Benutzer an, erstellt sein Home-Verzeichnis, generiert ein neues Public-Private-Key-Paar für SSH und trägt den eigenen Public-Key in die {\tt authorized\_keys} sowie für den Zugriff auf das git-Repository ein.
|
||||||
|
|
|
||||||
|
|
@ -26,9 +26,17 @@ Nach dem erfolgreichen Reboot haben wir dann das Netzwerk auf eine statische IP-
|
||||||
|
|
||||||
\subsubsection{Netzwerk-Konfiguration}
|
\subsubsection{Netzwerk-Konfiguration}
|
||||||
|
|
||||||
Auf dem Headnode bzw. Computenode haben wir mit {\tt netctl} die beiden Netzwerk-Interfaces {\tt eth0} und {\tt eth1} bzw. {\tt enp1s0} auf eine statische IP-Adresse (wie im Cluster-Layout angegeben) konfiguriert (siehe \emph{aufgabe2/headnode/network} und \emph{aufgabe2/headnode/internal} bzw. \emph{aufgabe2/computenode/internal}).
|
Auf dem Headnode bzw. Computenode haben wir mit {\tt netctl} die beiden
|
||||||
|
Netzwerk-Interfaces {\tt eth0} und {\tt eth1} bzw. {\tt enp1s0} auf eine
|
||||||
|
statische IP-Adresse (wie im Cluster-Layout angegeben) konfiguriert (siehe
|
||||||
|
\emph{aufgabe2.2/headnode/network} und \emph{aufgabe2.2/headnode/internal} bzw.
|
||||||
|
\emph{aufgabe2.2/computenode/internal}).
|
||||||
|
|
||||||
Auf dem Headnode mussten wir noch mittels {\tt iptables} das {\tt MASQUERADE}-Target in der {\tt POSTROUTING}-Chain in der {\tt nat}-Tabelle auf dem {\tt eth0}-Interface setzen (siehe \emph{aufgabe3/iptables.rules}) und mit {\tt sysctl} (\emph{/etc/sysctl.d}) die Option {\tt net.ipv4.ip\_forward = 1} (siehe \emph{aufgabe2/10-ip-forward-conf}) freischalten, damit die Computenodes auch auf das Internet zugreifen können (Paketinstallationen, Updates, etc.).
|
Auf dem Headnode mussten wir noch mittels {\tt iptables} das {\tt
|
||||||
|
MASQUERADE}-Target in der {\tt POSTROUTING}-Chain in der {\tt nat}-Tabelle auf
|
||||||
|
dem {\tt eth0}-Interface setzen (siehe \emph{aufgabe2.3/iptables.rules}) und mit
|
||||||
|
{\tt sysctl} (\emph{/etc/sysctl.d}) die Option {\tt net.ipv4.ip\_forward = 1}
|
||||||
|
(siehe \emph{aufgabe2.2/10-ip-forward-conf}) freischalten, damit die Computenodes auch auf das Internet zugreifen können (Paketinstallationen, Updates, etc.).
|
||||||
|
|
||||||
\input{abschnitte/bs-ssh}
|
\input{abschnitte/bs-ssh}
|
||||||
|
|
||||||
|
|
@ -36,4 +44,4 @@ Auf dem Headnode mussten wir noch mittels {\tt iptables} das {\tt MASQUERADE}-Ta
|
||||||
|
|
||||||
\input{abschnitte/bs-pdsh}
|
\input{abschnitte/bs-pdsh}
|
||||||
|
|
||||||
\pagebreak
|
\pagebreak
|
||||||
|
|
|
||||||
|
|
@ -24,7 +24,7 @@ Für das Webfrontend richteten wir darüber hinaus den Webserver {\tt nginx} ein
|
||||||
|
|
||||||
Dieser kommuniziert über fastcgi mit Munin um die Graphen
|
Dieser kommuniziert über fastcgi mit Munin um die Graphen
|
||||||
generieren zu lassen. Die nötige Konfiguration befindet sich in {\tt
|
generieren zu lassen. Die nötige Konfiguration befindet sich in {\tt
|
||||||
aufgabe5/nginx}. Die fastcgi-Prozesse von Munin starteten wir mit folgenden
|
aufgabe2.5/nginx}. Die fastcgi-Prozesse von Munin starteten wir mit folgenden
|
||||||
Befehl:
|
Befehl:
|
||||||
|
|
||||||
\shellcmd{systemctl enable munin-graph.socket munin-html.socket}
|
\shellcmd{systemctl enable munin-graph.socket munin-html.socket}
|
||||||
|
|
@ -32,7 +32,7 @@ Befehl:
|
||||||
\shellcmd{systemctl start munin-graph.socket munin-html.socket}
|
\shellcmd{systemctl start munin-graph.socket munin-html.socket}
|
||||||
|
|
||||||
Die ab zu fragenden Nodes werden in die {\tt munin.conf} eingetragen ({\tt
|
Die ab zu fragenden Nodes werden in die {\tt munin.conf} eingetragen ({\tt
|
||||||
aufgabe6/munin.conf}).
|
aufgabe2.6/munin.conf}).
|
||||||
Da die Anzahl unserer Nodes verhältnismäßig klein ist, haben wir uns für die
|
Da die Anzahl unserer Nodes verhältnismäßig klein ist, haben wir uns für die
|
||||||
Aktualisierung der Leistungsdaten via {\tt munin-cron} entschieden:
|
Aktualisierung der Leistungsdaten via {\tt munin-cron} entschieden:
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue