Centos,Ubuntu安装初始化脚本

#!/bin/bash
#
#********************************************************************
#Author:            Wuvikr
#QQ:                744123155
#Date:              2020-09-30
#FileName?          init_for_centos_or_ubuntu.sh
#URL:               http://www.wuvikr.top
#Description?       The init script
#Copyright (C):     2020 All rights reserved
#********************************************************************
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH

trap "echo -e 'e[1;36mThank you for using, goodbye !e[0m'" EXIT
trap "echo -e 'e[1;31m该脚本已经禁用ctrl + c，请按 0 正常退出，谢谢配合 ！e[0m'" SIGINT
LinuxVersion=`awk -F '=|"' '/^NAME/{print $3}' /etc/os-release`

if [ "$LinuxVersion" = 'Ubuntu' ];then
    Version_ID=`cat /etc/os-release | sed -rn '/VERSION_ID/s#^[^0-9]+(.*)"$#1#p'`
    echo "您的机器Linux发行版是Ubuntu $Version_ID！"
    if [ "$Version_ID" = '18.04' ];then
        apt_source=bionic
        net_file=50-cloud-init.yaml
    else
        apt_source=focal
        net_file=00-installer-config.yaml
    fi
else
    LinuxVersion='CentOS Linux'
    Version_ID=`sed -rn 's/^[^0-9]+(.)..*/1/p' /etc/redhat-release`
    echo "您的机器Linux发行版是CentOS Linux $Version_ID！"
fi

green='echo -e e[1;32m'
end='e[0m'

#关闭SELinux
disable_selinux(){
    sed -i.bak 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config
    ${green}SElinux已经禁用,重新启动后生效！$end
}


#关闭防火墙
disable_firewalld(){
    if [ "$LinuxVersion" = 'Ubuntu' ];then
        ufw disable &> /dev/null
    elif [ "$Version_ID" != 6 ];then
        systemctl disable --now firewalld &> /dev/null
    else
        chkconfig iptables off
    fi
    ${green}防火墙已经禁用！$end
}


#修改命令提示符颜色
set_ps1(){
    echo -e 'e[1;31m1.红色e[0m'
    echo -e 'e[1;32m2.绿色e[0m'
    echo -e 'e[1;33m3.黄色e[0m'
    echo -e 'e[1;34m4.蓝色e[0m'
    echo -e 'e[1;35m5.紫色e[0m'
    echo -e 'e[1;36m6.青色e[0m'
    echo -e 'e[1;37m7.白色e[0m'
    read -p "请选择你想要的颜色[1-7]" PS1_color
    if [ "$LinuxVersion" = 'Ubuntu' ];then
        sed -ri "/\:\w/s#(^[^]+).*#1\[\e[1;3${PS1_color}m\][\u@\h:\W]\\$ \[\e[0m\]'#" /root/.bashrc
    else
        echo "PS1='[e[1;3${PS1_color}m][u@h W]\$[e[0m]'" >> /etc/profile.d/env.sh
    fi
    ${green}提示符已经修改成功,重新登录后生效！$end
}


#修改网卡名
set_eth(){
    if [ "$LinuxVersion" = 'Ubuntu' ];then
        sed -i.bak '/GRUB_CMDLINE_LINUX=/s#"$# net.ifnames=0"#' /etc/default/grub
        grub-mkconfig -o /boot/grub/grub.cfg &> /dev/null
        sed -i 's/ens33/eth0/' /etc/netplan/$net_file
    elif [ "$Version_ID" != 6 ];then
        sed -i.bak '/GRUB_CMDLINE_LINUX=/s#"$# net.ifnames=0"#' /etc/default/grub
        grub2-mkconfig -o /boot/grub2/grub.cfg &> /dev/null
        mv /etc/sysconfig/network-scripts/ifcfg-* /etc/sysconfig/network-scripts/ifcfg-eth0
        sed -ri 's/(NAME=).*/1eth0/' /etc/sysconfig/network-scripts/ifcfg-eth0
        sed -ri 's/(DEVICE=).*/1eth0/' /etc/sysconfig/network-scripts/ifcfg-eth0
        sed -i '/UUID/d' /etc/sysconfig/network-scripts/ifcfg-eth0
    fi
    ${green}网卡名称已经修改成功,重新启动后生效！$end
}


#安装常用软件
install_soft(){
    if [ "$LinuxVersion" = 'CentOS Linux' ];then
        echo -e 'e[1;33m正在安装,请稍候...e[0m'
        yum -y install vim curl tree wget bash-completion net-tools lrzsz lsof zip unzip autofs rsync tcpdump psmisc lbzip2 man-pages chrony &> /dev/null && ${green}vim curl tree wget bash-completion net-tools lrzsz lsof zip unzip autofs rsync tcpdump psmisc lbzip2 man-pages chrony 已经安装成功! $end
    else
        echo -e 'e[1;33m正在安装,请稍候...e[0m'
        apt -y install vim curl tree wget bash-completion net-tools lrzsz lsof zip unzip autofs rsync tcpdump psmisc lbzip2 chrony &> /dev/null && ${green}vim curl tree wget bash-completion net-tools lrzsz lsof zip unzip autofs rsync tcpdump psmisc lbzip2 chrony 已经安装成功！$end
    fi
}


#添加常用别名
add_alias(){
    if [ "$LinuxVersion" = 'CentOS Linux' ];then
        echo >> /etc/profile.d/env.sh
        echo "alias vinet='vim /etc/sysconfig/network-scripts/ifcfg-eth0'" >> /etc/profile.d/env.sh
        echo "alias yumi='yum -y install'" >> /etc/profile.d/env.sh
        echo "alias yump='yum provides'" >> /etc/profile.d/env.sh
        echo "alias scandisk='echo - - - > /sys/class/scsi_host/host0/scan;echo - - - > /sys/class/scsi_host/host1/scan;echo - - - > /sys/class/scsi_host/host2/scan'" >> /etc/profile.d/env.sh
    else
        echo "alias apti='apt -y install'" >> /etc/profile.d/env.sh
        echo "alias vinet='vim /etc/netplan/$net_file'" >> /etc/profile.d/env.sh
        echo "alias scandisk='echo - - - > /sys/class/scsi_host/host0/scan;echo - - - > /sys/class/scsi_host/host1/scan;echo - - - > /sys/class/scsi_host/host2/scan'" >> /etc/profile.d/env.sh
    fi
  ${green}别名添加成功，重新登录后生效！$end
}


#修改镜像源
mirrors_sources(){
    if [ "$LinuxVersion" = 'Ubuntu' ];then
        cat > /etc/apt/sources.list <<EOF
deb http://mirrors.aliyun.com/ubuntu/ $apt_source main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ $apt_source main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ $apt_source-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ $apt_source-security main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ $apt_source-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ $apt_source-updates main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ $apt_source-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ $apt_source-proposed main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ $apt_source-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ $apt_source-backports main restricted universe multiverse
EOF
    elif [  "$Version_ID" = 6 ];then
        rm -rf /etc/yum.repos.d/*
        cat > /etc/yum.repos.d/CentOS6.repo <<EOF
[base]
name=CentOS6-base
baseurl=https://mirrors.aliyun.com/centos/6/os/x86_64/
        https://mirrors.huaweicloud.com/centos/6/os/x86_64/
        https://mirrors.163.com/centos/6/os/x86_64/
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-6

[epel]
name=CentOS6-epel
baseurl=https://mirrors.aliyun.com/epel/6/x86_64/
        https://mirrors.huaweicloud.com/epel/6/x86_64/
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/epel/RPM-GPG-KEY-EPEL-6

[extras]
name=CentOS6-extras
baseurl=https://mirrors.aliyun.com/centos/6/extras/x86_64/
        https://mirrors.huaweicloud.com/centos/6/extras/x86_64/
        https://mirrors.163.com/centos/6/extras/x86_64/
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-6
EOF
    elif [  "$Version_ID" = 7 ];then
        rm -rf /etc/yum.repos.d/*
        cat > /etc/yum.repos.d/CentOS7.repo <<EOF
[Packages]
name=Base
baseurl=https://mirrors.aliyun.com/centos/7/os/x86_64/
        https://mirrors.huaweicloud.com/centos/7/os/x86_64/
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/centos/7/os/x86_64/RPM-GPG-KEY-CentOS-7

[epel]
name=epel
baseurl=https://mirrors.aliyun.com/epel/7/x86_64/
        https://mirrors.huaweicloud.com/epel/7/x86_64/
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/epel/RPM-GPG-KEY-EPEL-7

[extras]
name=extras
baseurl=https://mirrors.aliyun.com/centos/7/extras/x86_64/
        https://mirrors.huaweicloud.com/centos/7/extras/x86_64/
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official
EOF
    elif [  "$Version_ID" = 8 ];then
        rm -rf /etc/yum.repos.d/*
        cat > /etc/yum.repos.d/CentOS8.repo <<EOF
[baseOS]
name=baseOS
baseurl=https://mirrors.aliyun.com/centos/8/BaseOS/x86_64/os/
        https://mirrors.huaweicloud.com/centos/8/BaseOS/x86_64/os/
        https://mirrors.163.com/centos/8/BaseOS/x86_64/os/
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official

[AppStream]
name=AppStream
baseurl=https://mirrors.aliyun.com/centos/8/AppStream/x86_64/os/
        https://mirrors.huaweicloud.com/centos/8/AppStream/x86_64/os/
        https://mirrors.163.com/centos/8/AppStream/x86_64/os/
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official


[epel]
name=epel
baseurl=https://mirrors.aliyun.com/epel/8/Everything/x86_64/
        https://mirrors.huaweicloud.com/epel/8/Everything/x86_64/
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/epel/RPM-GPG-KEY-EPEL-8

[extras]
name=extras
baseurl=https://mirrors.aliyun.com/centos/8/extras/x86_64/os/
        https://mirrors.huaweicloud.com/centos/8/extras/x86_64/os/
        https://mirrors.163.com/centos/8/extras/x86_64/os/
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official
EOF
    fi
    ${green}mirrors源修改成功$end
}


#修改vim格式
vim_style(){
  cat > /root/.vimrc <<EOF
"保存.vimrc文件时自动重启加载，即让此文件立即生效
autocmd BufWritePost $MYVIMRC source $MYVIMRC
"TAB长度
set tabstop=2
"输入tab制表符时，自动替换成空格
set expandtab
"设置自动缩进长度为2空格
set shiftwidth=2
"设置行号
"set number
"语法高亮
syntax on
"高亮显示括号匹配
set showmatch
"忽略大小写
set ignorecase
"当前行显示下划线
set cursorline
"自动缩进
set autoindent
"搜索到最后匹配的位置后,再次搜索不回到第一个匹配处
set nowrapscan

""定义函数SetTitle，自动插入文件头
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:            Wuvikr")
    call setline(5,"#QQ:                744123155")
    call setline(6,"#Date:              ".strftime("%Y-%m-%d"))
    call setline(7,"#FileName           ".expand("%"))
    call setline(8,"#URL:               http://www.wuvikr.top")
    call setline(9,"#Description        The test script")
    call setline(10,"#Copyright (C):     ".strftime("%Y")." All rights reserved")
    call setline(11,"#********************************************************************")
    call setline(12,"PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin")
    call setline(13,"export PATH")
    call setline(14,"")
    endif
endfunc
"新建文件后，自动定位到文件末尾
autocmd BufNewFile * normal G

"自动补全括号引号
:inoremap ( ()<ESC>i
:inoremap ) <c-r>=ClosePair(')')<CR>
:inoremap { {}<ESC>i
:inoremap } <c-r>=ClosePair('}')<CR>
:inoremap [ []<ESC>i
:inoremap ] <c-r>=ClosePair(']')<CR>
:inoremap " ""<ESC>i
:inoremap ' ''<ESC>i
:inoremap < <><ESC>i
:inoremap > <c-r>=ClosePair('>')<CR>
function! ClosePair(char)
    if getline('.')[col('.') - 1] == a:char
        return "<Right>"
    else
        return a:char
    endif
endfunction 
EOF
  echo "export EDITOR=vim" >> /etc/profile.d/env.sh
  ${green}vim格式修改成功！$end
}

#主程序入口
while true;do
cat <<EOF
1. 禁用SElinux
2. 关闭防火墙
3. 修改命令提示符
4. 修改网卡名
5. 安装常用软件
6. 添加常用别名
7. 修改mirrors源
8. 修改vim格式
9. 我全都要
0. 退出
EOF

    read -p "请选择你想要的操作(0-9): "
    case $REPLY in
    1)
        if [ "$LinuxVersion" = 'Ubuntu' ]
        then
            echo -e 'e[1;33m您的系统发行版本为Ubuntu,默认没有安装selinux,请重新选择其他操作！e[0m'
            continue
        fi
        disable_selinux
        ;;
    2)
        disable_firewalld
        ;;
    3)
        set_ps1
        ;;
    4)
        if [ "$Version_ID" = 6 ];then
            echo -e 'e[1;33m您的系统版本为CentOS 6,不需要修改网卡名，请重新选择其他操作！e[0m'
            continue
        fi
        set_eth
        ;;
    5)
        install_soft
        ;;
    6)
        add_alias
        ;;
    7)
        mirrors_sources
        ;;
    8)
        vim_style
        ;;
    9)  
        if [ "$LinuxVersion" = 'Ubuntu' ];then
            disable_firewalld
            set_ps1
            set_eth
            mirrors_sources
            install_soft
            add_alias
            vim_style
        else
            disable_selinux
            disable_firewalld
            set_ps1
            set_eth
            mirrors_sources
            install_soft
            add_alias
            vim_style
        fi
        ;;
    0)
        break
        ;;
    *)
        echo -e "e[1;31m请输入正确的数字e[0m"
    esac
done
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原文地址：https://www.cnblogs.com/wuvikr/p/13726583.html