centos7初始化指令碼

centos7初始化指令碼

新裝的虛擬機器或者linux伺服器的初始化指令碼

功能：

永久關閉防火牆，selinux

安裝常用工具

配置靜態ip位址

配置阿里源

#!/usr/bin/bash

#centos初始化指令碼
#time 2020-04-01
#防火牆設定
echo
"關閉防火牆和selinux"
systemctl stop firewalld && systemctl disable firewalld && setenforce 0 &&
sed -i 's/selinux=enforcing/selinux=disabled/' /etc/selinux/config
if[$? -eq 0 ]
;then
echo
"防火牆已關閉且開機不自啟"
else
echo
"防火牆關閉失敗請手動檢視"
exit 1
fisleep 2
#安裝相關配置常用工具
yum install -y lrzsz sysstat elinks wget vim net-tools bash-completion &
>/dev/null
if[$? -eq 0 ]
;then
echo
"安裝工具成功"
else
echo
"安裝工具失敗，請檢查yum源"
exit 2
fisleep 2
#配置固定ip位址
chack_ip()'
|awk -f"/"''`
net=255.255.255.0
gate=
`route -n |
awk'nr==3'
` dns=
`cat /etc/resolv.conf |
grep nameserver |
awk''`}
chack_ip
(cat
<<
eofipaddr=$ip
netmask=$net
gateway=$gate
dns1=$dns
eof)
>> /etc/sysconfig/network-scripts/ifcfg-ens33
systemctl restart network 
if[$? -eq 0 ]
;then
echo
"配置ip位址成功"
else
echo
"配置ip位址失敗，請手動檢視"
exit 3
fisleep 2
#配置yum源-這裡選用阿里源
mv /etc/yum.repos.d/*.repo /tmp
wget -o /etc/yum.repos.d/centos-base.repo 
wget -o /etc/yum.repos.d/epel.repo 
echo
$(ls /etc/yum.repos.d)
sleep 2
exit 0

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