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分享两个常用的脚本,适合快速部署虚拟机
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互联网集市收集整理的这篇技术教程文章主要介绍了分享两个常用的脚本,适合快速部署虚拟机,小编现在分享给大家,供广大互联网技能从业者学习和参考。文章包含3090字,纯文字阅读大概需要5分钟。
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虚拟机克隆完后,通常我使用这两个脚本来帮助快速部署,一个是修改主机名,一个是修改IP地址(IP地址修改比较适合只用一块网卡的虚拟机,修改eth0的IP地址)。
适合Redhat 6及CentOS 6的操作系统。
修改主机名:
#!/bin/bash
# Ivan Liao - Version 0.1
clear
# ---- prompt for new hostname, current hostname is default ----
oldName=`hostname -s`
read -p "Enter new Hostname, do not enter DNS suffix [$oldName]: " newName
# ---- confirm change ----
read -p "Change hostname to $newName? [ y or n ]: " ok
case $ok in
[Yy]*)
echo "Start to change hostname..."
;;
[Nn]*)
echo exiting without changes
exit 1
;;
esac
# ---- make changes to /etc/hosts ----
# If it is a softlink, this will change it into a real file
[ ! -h /etc/hosts ] && perl -i -p -e "s/$oldName/$newName/g" /etc/hosts
# ---- make changes to /etc/sysconfig/network ----
[ ! -h /etc/hosts ] && perl -i -p -e "s/$oldName/$newName/g" /etc/sysconfig/network
[ ! -h /etc/hosts ] && perl -i -p -e "s/.localdomain//g" /etc/sysconfig/network
# ---- make changes to /etc/sysconfig/network-scripts files ----
for hostsFile in `find /etc/sysconfig/network-scripts -type f -print`
do
perl -i -p -e "s/$oldName/$newName/g" $hostsFile
done
# ---- move or create /var/crash directory ----
if [ -d /var/crash/$oldName ]; then
mv /var/crash/$oldName /var/crash/$newName
else
mkdir /var/crash/$newName
chmod 700 /var/crash/$newName
fi
# ---- finally, change hostname ----
hostname $newName
# ---- confirm changes ----
echo -n "Hostname has been changed to: "
hostname
echo ""
#echo -n "Now FQDN is: "
#hostname -f
修改IP地址:
#!/bin/bash
# Ivan Liao - Version 0.1
clear
rm -f /etc/sysconfig/network-scripts/ifcfg-eth0
rm -f /etc/sysconfig/networking/devices/ifcfg-eth0
rm -f /etc/sysconfig/networking/profiles/default/ifcfg-eth0
macaddress=`ifconfig -a|grep eth1|awk ‘{print $NF}‘`
[ ! -h /etc/udev/rules.d/70-persistent-net.rules ] && perl -i -p -e "s/SUBSYSTEM.*eth0"//g" /etc/udev/rules.d/70-persistent-net.rules
[ ! -h /etc/udev/rules.d/70-persistent-net.rules ] && perl -i -p -e "s/eth1/eth0/g" /etc/udev/rules.d/70-persistent-net.rules
read -p "Enter new IP address: " ipaddress
# ---- confirm change ----
read -p "Change IP address to $ipaddress? [ y or n ]: " ok
case $ok in
[Yy]*)
echo "Start to change IP address..."
;;
[Nn]*)
echo exiting without changes
exit 1
;;
esac
echo "HWADDR=$macaddress" >> /etc/sysconfig/network-scripts/ifcfg-eth0
echo "TYPE=Ethernet" >> /etc/sysconfig/network-scripts/ifcfg-eth0
echo "BOOTPROTO=none" >> /etc/sysconfig/network-scripts/ifcfg-eth0
echo "IPADDR=$ipaddress" >> /etc/sysconfig/network-scripts/ifcfg-eth0
echo "PREFIX=24" >> /etc/sysconfig/network-scripts/ifcfg-eth0
echo "DEFROUTE=yes" >> /etc/sysconfig/network-scripts/ifcfg-eth0
echo "IPV4_FAILURE_FATAL=yes" >> /etc/sysconfig/network-scripts/ifcfg-eth0
echo "IPV6INIT=no" >> /etc/sysconfig/network-scripts/ifcfg-eth0
echo "NAME=eth0" >> /etc/sysconfig/network-scripts/ifcfg-eth0
echo "ONBOOT=yes" >> /etc/sysconfig/network-scripts/ifcfg-eth0
hn=`hostname`
echo "$ipaddress $hn.localdomain $hn" >> /etc/hosts
echo "Please reboot system."
原文:http://www.cnblogs.com/scwanglijun/p/3960385.html
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