VMコピー後の作業に使うスクリプト
eth0のIPアドレス設定
change.eth0.ipaddr [IPアドレス]
#!/bin/bash ipaddr=$1 [ -z "$ipaddr" ] && read -p "new eth0 ipaddr: " ipaddr sed -i "s/IPADDR=.*/IPADDR=$ipaddr/" /etc/sysconfig/network-scripts/ifcfg-eth0 cat /etc/sysconfig/network-scripts/ifcfg-eth0
ホスト名変更
change.hostname [ホスト名]
#!/bin/bash hostname=$1 [ -z "$hostname" ] && read -p "new hostname: " hostname sed -i "s/HOSTNAME=.*/HOSTNAME=$hostname/" /etc/sysconfig/network cat /etc/sysconfig/network
SSHホストキー再生成
regenerate.sshhostkey
#!/bin/bash rm -f /etc/ssh/ssh_host_* service sshd restart ls -l /etc/ssh
regenerate.sshhostkey (古い)
#!/bin/bash rm -f /etc/ssh/ssh_host_key{,.pub} rm -f /etc/ssh/ssh_host_rsa_key{,.pub} rm -f /etc/ssh/ssh_host_dsa_key{,.pub} ssh-keygen -t rsa1 -N '' -f /etc/ssh/ssh_host_key ssh-keygen -t rsa -N '' -f /etc/ssh/ssh_host_rsa_key ssh-keygen -t dsa -N '' -f /etc/ssh/ssh_host_dsa_key ls -l /etc/ssh
udev の 70-persistent-net.rules 再生成
regenerate.udev.persistent-net [auto]
auto の場合には MACアドレスの昇順に eth0, eth1, ・・・
#!/bin/bash auto=$1 rulefile=/etc/udev/rules.d/70-persistent-net.rules cat /dev/null > $rulefile ethno=0 for mac in $(ifconfig -a | grep HWaddr | awk '{print $NF}' | tr ABCDEF abcdef | sort) do [ $auto != "auto" ] && read -p "$mac = eth" ethno rule=$(printf 'SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="%s", ATTR{type}=="1", KERNEL=="eth*", NAME="eth%s"' $mac $ethno) echo "$rule" >> $rulefile echo "$mac : eth$ethno" ethno=$((ethno+1)) done cat $rulefile