bash-1 初始化CentOS系统的初始化脚本

初始化CentOS系统的初始化脚本

#!/bin/bash
#
#********************************************************************
#Author:            kjAlbert
#Date:              2019-10-11
#FileName：      sysinit.sh
#Description:       Init CentOS Linux system
#Copyright (C):     2019 All rights reserved
#********************************************************************
#
#检测root权限
if [ $UID -ne 0 ];then
    echo "没有root权限，无法执行！"
    exit 1
fi
#检测version
if [ -e /etc/redhat-release ];then
    VER=`sed -nr 's@.* ([0-9]).*@\1@p' /etc/redhat-release`
else
    echo '这不是redhat和centos系列的系统，请使用其他脚本！！'
    exit 10
fi
bak=bak`date +%F_%T`
#cenos6:
case $VER in
6)
#firewalld
    service iptalbes stop &>/dev/null
    chkconfig iptables off &>/dev/null
    echo "关闭防火墙完成"
#selinux
    sed -i 's@SELINUX=enforcing@SELINUX=disabled@' /etc/selinux/config &>/dev/null
    echo "关闭SELINUX完成"
#PS1
    echo 'PS1="\033[1;33m[\u@\h \t \W]\$\033[0m"' >>/etc/profile
    echo "命令提示符颜色修改完成，当前颜色：黄色"
#init 3
    sed -i 's/\(^[^#].*\)[0-9]\(.*\)/\13\2/' /etc/inittab
    echo "修改启动级别为3完成"
#yum.repos
    ping mirrors.aliyun.com -c 1 &>/dev/null
    if [ $? -eq 0 ];then
        mkdir -p /etc/yum.repos.d/$bak &>/dev/null
        mv /etc/yum.repos.d/* /etc/yum.repos.d/$bak/ &>/dev/null
        echo -e "[centos$VER]\nname=centos$VER\nbaseurl=https://mirrors.aliyun.com/centos/6/os/x86_64/\ngpgcheck=0\nenabled=1\n\n[epel]\nname=aliyunEPEL\nbaseurl=https://mirrors.aliyun.com/epel/6/x86_64/\ngpgcheck=0\nenabled=1" >/etc/yum.repos.d/aliyun.repo
        echo "yum源配置完成"
        echo "yum源列表"
        echo -e "***************************************\n"
        yum repolist
        echo -e "\n***************************************"
    else
        echo '网络不通，请检查网络！'
    fi
#autofs
    rpm -q autofs &>/dev/null
    if [ $? -eq 0 ];then
        echo 1 &>/dev/null
    else 
        yum -y install autofs &>/dev/null
    fi
    service autofs start &>/dev/null
    chkconfig autofs on &>/dev/null
    echo "已具有自动挂载光盘功能"
#.vimrc和.bashrc的配置
    echo -e 'set autoindent
set nu
syntax on
autocmd BufNewFile *.sh exec ":call SetTitle()"
func SetTitle()
if expand("%:e") == "sh"
     call setline(1,"#!/bin/bash") 
     call setline(2,"#") 
     call setline(3,"#********************************************************************") 
     call setline(4,"#Author:       kjAlbert") 
     call setline(5,"#Date:         ".strftime("%Y-%m-%d"))
     call setline(6,"#FileName：         ".expand("%"))
     call setline(7,"#Description:      The test script") 
     call setline(8,"#Copyright (C):    ".strftime("%Y")." All rights reserved")
     call setline(9,"#********************************************************************") 
     call setline(10,"#") 
     call setline(11,"") 
endif
endfunc
autocmd BufNewFile * normal G' >~/.vimrc
    ;;
#cenos7:
7)
#firewalld
    systemctl disable --now firewalld.service &>/dev/null
    echo "关闭防火墙完成"
#selinux
    sed -i 's@SELINUX=enforcing@SELINUX=disabled@' /etc/selinux/config &>/dev/null
    echo "关闭SELINUX完成"
#PS1
    echo 'PS1="\033[1;36m[\u@\h \t \W]\\$\033[0m"' >>/etc/profile
    echo "命令提示符颜色修改完成，当前颜色：青色"
#init 3
    systemctl set-default multi-user.target &>/dev/null
    echo "修改启动级别为3完成"
#yum.repo
    mkdir /etc/yum.repos.d/$bak &>/dev/mull
    mv /etc/yum.repos.d/* /etc/yum.repos.d/$bak/ &>/dev/null
    echo -e "[centos$VER]\nname=centos$VER\nbaseurl=https://mirrors.aliyun.com/centos/7/os/x86_64/\ngpgcheck=0\nenabled=1\n\n[epel]\nname=aliyunEPEL\nbaseurl=https://mirrors.aliyun.com/epel/7/x86_64/\ngpgcheck=0\nenabled=1" >/etc/yum.repos.d/aliyun.repo
    echo "yum源配置完成"
    echo "yum源列表"
    echo -e "***************************************\n"
    yum repolist
    echo -e "\n***************************************"
#autofs
    rpm -q autofs &>/dev/null
    if [ $? -eq 0 ];then
        echo 222 &>/dev/null
    else 
        yum -y install autofs &>/dev/null
    fi
    systemctl enable --now autofs &>/dev/null
    echo "已具有自动挂载光盘功能"
#network网卡改名为eth
    grep "\" /etc/default/grub
    if [ $? -ne 0 ];then
        sed -i 's@quiet@quiet net.ifnames=0@' /etc/default/grub
        grub2-mkconfig -o /etc/grub2.cfg &>/dev/null
        echo "网卡名称修改完成"
    fi
#.vimrc和.bashrc的配置
    echo -e 'set autoindent
set nu
syntax on
autocmd BufNewFile *.sh exec ":call SetTitle()"
func SetTitle()
if expand("%:e") == "sh"
     call setline(1,"#!/bin/bash") 
     call setline(2,"#") 
     call setline(3,"#********************************************************************") 
     call setline(4,"#Author:       kjAlbert") 
     call setline(5,"#Date:         ".strftime("%Y-%m-%d"))
     call setline(6,"#FileName：         ".expand("%"))
     call setline(7,"#Description:      The test script") 
     call setline(8,"#Copyright (C):    ".strftime("%Y")." All rights reserved")
     call setline(9,"#********************************************************************") 
     call setline(10,"#") 
     call setline(11,"") 
endif
endfunc
autocmd BufNewFile * normal G' >~/.vimrc
    ;;
#cenos8:
8)
#firewalld
    systemctl disable --now firewalld.service &>/dev/null
    echo "关闭防火墙完成"
#selinux
    sed -i 's@SELINUX=enforcing@SELINUX=disabled@' /etc/selinux/config &>/dev/null
    echo "关闭SELINUX完成"
#PS1
    echo 'PS1="\033[1;32m[\u@\h \t \W]\\$\033[0m"' >>/etc/profile
    echo "命令提示符颜色修改完成，当前颜色：绿色"
#init 3
    systemctl set-default multi-user.target &>/dev/null
    echo "修改启动级别为3完成"
#yum.repo
    mkdir /etc/yum.repos.d/$bak &>/dev/null
    mv /etc/yum.repos.d/* /etc/yum.repos.d/$bak/ &>/dev/null
    echo -e "[centos$VER]\nname=centos$VER\nbaseurl=https://mirrors.aliyun.com/centos/8/AppStream/x86_64/os/\ngpgcheck=0\nenabled=1\n\n[cenos8base]\nname=centos8Base\nbaseurl=https://mirrors.aliyun.com/centos/8/BaseOS/x86_64/os/\ngpgcheck=0\nenabled=1\n\n[epel]\nname=aliyunEPEL\nbaseurl=https://mirrors.aliyun.com/epel/8/Everything/x86_64/\ngpgcheck=0\nenabled=1" >/etc/yum.repos.d/aliyun.repo
    echo "yum源配置完成"
    echo "yum源列表"
    echo -e "***************************************\n"
    yum repolist
    echo -e "\n***************************************"
#autofs
    rpm -q autofs &>/dev/null
    if [ $? -eq 0 ];then
        echo 333 &>/dev/null
    else 
        yum -y install autofs &>/dev/null
    fi
    systemctl enable --now autofs &>/dev/null
    echo "已具有自动挂载光盘功能"
#network网卡改名为eth
    grep "\" /etc/default/grub
    if [ $? -ne 0 ];then
        sed -i 's@quiet@quiet net.ifnames=0@' /etc/default/grub
        grub2-mkconfig -o /etc/grub2.cfg &>/dev/null
        echo "网卡名称修改完成"
    fi
#.vimrc和.bashrc的配置
    echo -e 'set autoindent
set nu
syntax on
autocmd BufNewFile *.sh exec ":call SetTitle()"
func SetTitle()
if expand("%:e") == "sh"
     call setline(1,"#!/bin/bash") 
     call setline(2,"#") 
     call setline(3,"#********************************************************************") 
     call setline(4,"#Author:       kjAlbert") 
     call setline(5,"#Date:         ".strftime("%Y-%m-%d"))
     call setline(6,"#FileName：         ".expand("%"))
     call setline(7,"#Description:      The test script") 
     call setline(8,"#Copyright (C):    ".strftime("%Y")." All rights reserved")
     call setline(9,"#********************************************************************") 
     call setline(10,"#") 
     call setline(11,"") 
endif
endfunc
autocmd BufNewFile * normal G' >~/.vimrc
    ;;
*)
    echo '垓版本开发中，敬请期待！'
    exit 10
    ;;
esac
echo -e "***************************************\n"
echo '初始化完成感谢使用！！'
echo -e "\n***************************************"
#echo -n "配置完成需要重启CentOS(立即重启Y/稍后手动重启n):"
#REBOOT=Y
#read REBOOT
#if [[ $REBOOT =~ [Nn][Oo]? ]];then
#   echo "选择稍后手动重启..."
#   exit 0
#fi
reboot

执行方式

将脚本放在局域网中的一台http服务器上

curl http://xxx.xxx.xxx.xxx/sysinit.sh |bash

即可执行，完成后自动重启
关于.bashrc中环境变量，别名等内容可根据自己喜好添加