用过Centos7的同学都会发现上面的网卡命名规则是不规范的，关于习惯了之前的eth或em的命名难免想要修改回去。
最近公司在定制Centos7时就提了这个需求，于是就写了个脚本在安装体系时运行脚本主动修改网卡称号。
#!/bin/bash
# Script Name:NICs-Setting.sh
# Support OS Type: RHEL/CentOS 5.x/6.x/7.x
function V5()
{
#local b0=-1
#local c0
#sed -i \'/HWADDR/d\' `grep HWADDR -l /etc/sysconfig/network-scripts/ifcfg-eth?`
[ ! -d /etc/sysconfig/network-scripts/NIC_Backup ] && mkdir /etc/sysconfig/network-scripts/NIC_Backup
b0=-1
cat /proc/net/dev |grep \':\' | grep -v \'lo\' | grep -v \'bond\' |grep -v \'sit0\' | cut -d: -f1 |sort > /tmp/net_name.txt
while read line
do
c0=$line
b0=`expr $b0 + 1`
cp -f /etc/sysconfig/network-scripts/ifcfg-$c0 /etc/sysconfig/network-scripts/NIC_Backup &> /dev/null
mv -f /etc/sysconfig/network-scripts/ifcfg-$c0 /etc/sysconfig/network-scripts/ifcfg-eth$b0 &> /dev/null
sed -i \'$a BOOTPROTO=static\' /etc/sysconfig/network-scripts/ifcfg-eth$b0
sed -i \'$a NAME=eth\'$b0\'\' /etc/sysconfig/network-scripts/ifcfg-eth$b0
sed -i \'/HWADDR/d\' `grep HWADDR -l /etc/sysconfig/network-scripts/ifcfg-eth$b0`
done $V5NetRuleFile
local number=0
lshw -C network | grep \"bus info\" | awk -F : \'{print $3\":\"$4}\' | sort | while read line
do
c0=$line
echo \'ACTION==\"add\", SUBSYSTEM==\"net\", BUS==\"pci\", ID==\"0000:\'$c0\'\", NAME=\"eth\'$number\'\"\' >>/etc/udev/rules.d/60-net.rules
let number++
done
#
}
function V6()
{
chmod a-x $V6WriteRuleCmd
local number=0
cp $V6NetRuleFile $V6NetRuleFile-`date +%Y-%m-%d-%R`
> $V6NetRuleFile
lshw -C network | grep \"bus info\" | awk -F : \'{print $3\":\"$4}\' | sort | while read line
do
echo \"SUBSYSTEMS==\"pci\", ACTION==\"add\", DRIVERS==\"?*\", KERNELS==\"0000:$line\", NAME=\"eth$number\"\" >> $V6NetRuleFile
let number++
done
}
function V7()
{
[ ! -d /etc/sysconfig/network-scripts/NIC_Backup ] && mkdir /etc/sysconfig/network-scripts/NIC_Backup
b0=-1
cat /proc/net/dev |grep \':\' | grep -v \'lo\' | grep -v \'bond\' | cut -d: -f1 |sort > /tmp/net_name.txt
while read line
do
c0=$line
b0=`expr $b0 + 1`
cp -f /etc/sysconfig/network-scripts/ifcfg-$c0 /etc/sysconfig/network-scripts/NIC_Backup &> /dev/null
mv -f /etc/sysconfig/network-scripts/ifcfg-$c0 /etc/sysconfig/network-scripts/ifcfg-eth$b0 &> /dev/null
sed -i \'s/dhcp/static/g\' /etc/sysconfig/network-scripts/ifcfg-eth$b0
sed -i \'/IPV6/d\' /etc/sysconfig/network-scripts/ifcfg-eth$b0
sed -i \'s/\'$c0\'/eth\'$b0\'/g\' /etc/sysconfig/network-scripts/ifcfg-eth$b0
done /dev/null
local number=0
cp $V7NetRuleFile $V7NetRuleFile-`date +%Y-%m-%d-%R`
> $V7NetRuleFile
lshw -C network | grep \"bus info\" | awk -F : \'{print $3\":\"$4}\' | sort | while read line
do
echo \"SUBSYSTEMS==\"pci\", ACTION==\"add\", DRIVERS==\"?*\", KERNELS==\"0000:$line\", NAME=\"eth$number\"\" >>$V7NetRuleFile
let number++
done
}
# Main Start here.
#
PACKAGE1=redhat-lsb
V7PACKAGE=redhat-lsb-core
PACKAGE2=pciutils
V5NetRuleFile=/etc/udev/rules.d/60-net.rules
V6NetRuleFile=/etc/udev/rules.d/70-persistent-net.rules
V7NetRuleFile=/etc/udev/rules.d/70-persistent-net.rules
V6WriteRuleCmd=/lib/udev/write_net_rules
ErrUID=65
ErrPackage=66
ErrOSType=67
ErrOSVersion=68
OSType=`lsb_release -i | grep -E \'RedHat|CentOS\'`
OSRelease=`lsb_release -r | awk \'{print $2}\'`
if [ $UID -ne 0 ]; then
echo \"The script must be execute by root\"
echo \"Exiting now......\"
exit $ErrUID
fi
if [ \"${OSRelease%%.*}\"x == 7x ]; then
rpm -q $V7PACKAGE &>/dev/null && rpm -q $PACKAGE2 &>/dev/null
if [ $? -ne 0 ]; then
echo \"Please install the \"$V7PACKAGE\" and \"$PACKAGE2\" packages fir\"
echo \"Exiting now......\"
fi
else
rpm -q $PACKAGE1 &>/dev/null && rpm -q $PACKAGE2 &>/dev/null
if [ $? -ne 0 ]; then
echo \"Please install the \"$PACKAGE1\" and \"$PACKAGE2\" packages first, then execute the script.\"
echo \"Exiting now......\"
exit $ErrPackage
fi
fi
if [ \"$OSType\" == \"\" ]; then
echo \"Unsupport OS type, the script only support OS type: RHEL/CentOS.\"
exit $ErrOSType
else
case $OSRelease in
5.*) V5 ;;
6.*) V6 ;;
7.*) V7 ;;
*) echo \"Unsupport OS release version, the script only support release version: 5.x/6.x/7.x.\"
echo \"Exiting now...\"
exit $ErrOSVersion
;;
esac
fi
echo -e \'
//------------------------------
//tNetwork setting
//------------------------------
\'
echo \"Execute the scripts success, the NICs are in line!\"
