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

Centos7普通初始化指令碼

bash bash 關閉selinux echo set selinux disabled sed i s selinux selinux disabled etc selinux config setenforce 0 關閉防火牆 echo 關閉防火牆 systemctl stop firewal...

centos7系統初始化

echo arp引數，檢查一次相鄰層記錄的有效性的週期。當相鄰層記錄失效 etc sysctl.conf echo e net.ipv4.neigh.default.gc stale time 120 n etc sysctl.conf echo 路由設定 etc sysctl.conf echo ...

centos7系統初始化優化

防火牆優化 關閉防火牆 systemctl stop firewalld systemctl disable firewalld 開啟防火牆命令 新增乙個埠 firewall cmd zone public add port 80 tcp permanent permanent永久生效，沒有此引數重...