一个简单的初始化脚本
最近觉得每次做实验装虚拟机都要配置一次网络还有yum源那些东西，很繁琐，所以将那些操作全部写成了一个交互式的脚本
其他的就不多说了，直接上代码吧
#!/bin/bash
############User testing###############
ID=`id -u`
if [ ! $ID -eq 0 ] ; then
echo "This script must be run by root."
exit 1
fi
#############Start installing####################
echo "Installing software..."
mount /dev/sr0 /mnt &>/dev/null
read -p "input the software you want to install:" WARE
function INSTALL ()
{
yum install -y $WARE > /dev/null
}
if [ ! -e $WARE ] ; then
if [ -f /etc/yum.repos.d/local.repo ]; then
for i in $WARE;do
INSTALL $i
done
else
echo "[base]
name=base
baseurl=file:///mnt
enabled=1
gpgcheck=0"> /etc/yum.repos.d/local.repo
for i in $WARE;do
INSTALL $i
done
fi
fi
##############Network setting##################
echo -e "\nSetting network..."
DW=`route -n | grep ^0 | awk '{print $2}'`
ifconfig | grep eth | awk '{print $1}' | while read i
do
IP=`ifconfig | grep -A1 "$i" | awk '{print $2}' | awk -F":" '{print $2}' | grep "^[0-9]"`
MASK=`ifconfig | grep -A1 "$i" | awk '{print $4}' | awk -F":" '{print $2}' | grep "^[0-9]"`
echo "The current Network devices are $i,IP is $IP,Netmask is $MASK,the defatlt gateway is $DW."
done
while true
do
read -p "The Network device to interface(like eth0):" DEV
if echo $DEV | grep "eth[0-9]\{1,\}"
then
break
fi
echo "please check device format..."
done
select j in "DHCP" "STATIC"
do
case "$j" in
DHCP)
echo -e "DEVICE="$DEV"\nONBOOT=yes\nNM_CONTROLLED=no\nBOOTPROTO=dhcp" > /etc/sysconfig/network-scripts/ifcfg-$DEV
break;;
STATIC)
while true
do
read -p "please input IP(like 0.0.0.0):" IP
if echo $IP | grep "[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}"
then
echo -e "DEVICE="$DEV"\nONBOOT=yes\nNM_CONTROLLED=no\nBOOTPROTO=none\nIPADDR="$IP"" > /etc/sysconfig/network-scripts/ifcfg-$DEV
break
fi
echo "please check IP format..."
done
while true
do
read -p "please input Netmask(like 0.0.0.0):" NM
if echo $NM | grep "[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}"
then
echo -e "NETMASK="$NM"" >> /etc/sysconfig/network-scripts/ifcfg-$DEV
break
fi
echo "please check Netmask format..."
done
while true
do
read -p "please input Gateway(like 0.0.0.0):" GW
if echo $GW | grep "[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}"
then
echo -e "GATEWAY="$GW"" >> /etc/sysconfig/network-scripts/ifcfg-$DEV
break
fi
echo "please check Gateway format..."
done
break;;
esac
done
/sbin/service network restart &>/dev/null