rocky9.x版本系统初始化配置

rocky9.x版本系统初始化配置
更换yum源

sed -e 's|^mirrorlist=|#mirrorlist=|g' -e 's|^#baseurl=http://dl.rockylinux.org/$contentdir|baseurl=https://mirrors.aliyun.com/rockylinux|g' -i.bak /etc/yum.repos.d/rocky*.repo

dnf makecache

vim init.sh

#!bin/sh
LOGINFO=init_install.log

function info(){
	echo "已为您退出！若想继续请重新执行命令：'bash $0' 继续操作！ "
	return 2
}


function setNetwork(){
	netfile=/etc/NetworkManager/system-connections/ens160.nmconnection
	#找出系统发行版是什么
	RELEASE=`cat /etc/redhat-release|awk '{print $1,$4}'|sed 's/[ .]//p' -n`
	RELEASE_1=`echo ${RELEASE/.*/}`
	#如果发行版为Rocky9版本，则开始设置ip
	if [ "${RELEASE_1}" == "Rocky9" ]; then
		read -p "确定更改网络配置信息么,是：y  按其他任意键退出: " yn
		if [ "${yn}" == "y" ]; then
			read -p "请输入你要设置的ip及掩码地址‘格式如 192.168.10.23/24 ’：" IP_netmask
			read -p "请输入您要设置的网关‘ 格式如：192.168.10.1’：" GATWAY
			read -p "请输入您要设置的DNS‘格式如 114.114.114.114': " DNS
		
			#查看网络配置文件中ipv4 在哪一行
			ipv4InNum=$( grep  '\[ipv4\]' -n ${netfile} |awk -F ':' '{print $1}')
			#根据ipv4所在行 即可知道ipv4下的method所在行
			#删除method=auto
			sed "$((${ipv4InNum}+1))d" ${netfile} -i
			

			#在ipv4所在行下插入网络配置信息
			sed "${ipv4InNum}a method=manual"  ${netfile} -i
			sed "$((${ipv4InNum}+1))a may-fail=false"  ${netfile} -i
			sed "$((${ipv4InNum}+2))a address1=${IP_netmask},${GATWAY}"  ${netfile} -i
			sed "$((${ipv4InNum}+3))a dns=${DNS}"  ${netfile} -i
			echo "---------网络配置成功！配置信息如下----------"
			cat ${netfile}
			echo "---------------------------------------------"
			sleep 1
			read -p "是否立即加载网络配置生效,如果否，则全部配置完成后重启服务器生效或者执行命令:nmcli connection reload /etc/NetworkManager/system-connections/ens160.nmconnection,然后再执行命令nmcli connection up ens160生效  是: y  否则任意键退出" yn
			if [ "${yn}" == "y" ];then
				echo "网络配置文件加载中..."
				sleep 1
				nmcli connection reload ${netfile}
				echo "配置新ip即将生效，如果您正在使用远程工具登录请使用新的ip地址${IP_netmask}进行登录"
				sleep 1
				nmcli connection up ens160
			else
				return 0
			fi	
		else
			info
		fi
			
	fi
}


function setHostname(){
	echo "优化2:确定要更改主机名么,是：y  按其他任意键退出"
        read yn
        if [ "${yn}" == "y" ]; then
		echo "请输入您的主机名："
		read hostname
		hostnamectl set-hostname ${hostname} &>> ${LOGINFO}
		if [ $? -eq 0 ]; then
			echo "主机名设置成功! 您的主机名：${hostname}"
			return 0
		else
			echo "您的主机名设置失败，更多详细信息请查看日志文件${LOGINFO}"
			return 1
		fi
       
        else
                info
        fi

}


function installTools(){
	echo "您将下载的常用工具有：wget vim net-tools chrony lrzsz telnet nmap psmisc nc sshpass unzip"
	echo "是否确认下载？ 是：y  其他任意键退出"
	read yn
	if [ "${yn}" == "y" ]; then
		yum install -y wget vim net-tools chrony lrzsz telnet nmap psmisc nc sshpass unzip &>> ${LOGINFO}
		if [ "$?" -eq "0" ];then
			echo "工具下载安装成功！"
			return 0
		else
			echo "常用工具下载安装失败！详情请看文件${LOGINFO}"
			return 1
		fi
	else
		info
	fi

}


function closeFirewalld(){
	echo "确定要关闭防火墙么，是: y 按其他任意键退出"
	read yn
	if [ "${yn}" == "y" ];then
		echo "防火墙关闭中..."
		systemctl stop firewalld &>> ${LOGINFO}
		if [ "$?" == "0" ]; then
			echo "防火墙已关闭！"
			return 0
		else
                        echo "防火墙关闭失败！详情请看文件${LOGINFO}"
                        return 1
		fi
	else
		info
	fi
}

function closeSwap(){
	echo "确定要关闭交换分区么？是: y 按其他任意键退出"
	read yn
	if [ "$yn" == "y" ];then
		swapoff -a 
		sed -ri 's/.*swap.*/#&/' /etc/fstab &>> ${LOGINFO}
                if [ "$?" == "0" ]; then
                        echo "交换分区已关闭！"
                        return 0
                else
                        echo "交换分区关闭失败！详情请看文件${LOGINFO}"
                        return 1
                fi
  	else
		info
	fi
} 

function setTabChar(){
	echo "确定设置tab按键字符么？是：y  其他任意键退出"
        read yn
        if [ "$yn" == "y" ];then
		read -p "请输入tab按键时的字符数:" CHARNUM
		echo -e "set tabstop=${CHARNUM}\nset shiftwidth=${CHARNUM}" >> ~/.vimrc
                if [ "$?" == "0" ]; then
                        echo "tab安键为${CHARNUM}个字符成功！"
                        return 0
                                 
                fi
        else
                info
        fi
	

}

function setFileTitle(){
    read -p  "确定设置新建文件时的文件头部信息？ 是：y   其他任意键退出" yn
    if [ "$yn" == "y" ];then
		who=`whoami`
		cat >> ~/.vimrc <<EOF
autocmd BufNewFile *.sh exec ":call AddTitleForShell()"
function  AddTitleForShell()
   call append(0,"#!/bin/bash")
   call append(1,"# **********************************************************")
   call append(2,"# * Author        : ${who}")
   call append(3,"# * Email         : ${who}@163.com")
   call append(4,"# * Create time   : ".strftime("%Y-%m-%d %H:%M"))
   call append(5,"# * Filename      : ".expand("%:t"))
   call append(6,"# * Description   : ")
   call append(7,"# **********************************************************")
endfunction

autocmd BufNewFile *.py exec ":call AddTitleForPython()"
function  AddTitleForPython()
   call append(0,"#!/usr/bin/python3")
   call append(1,"# **********************************************************")
   call append(2,"# * Author        : Yonghai")
   call append(3,"# * Email         : Yonghai@163.com")
   call append(4,"# * Create time   : ".strftime("%Y-%m-%d %H:%M"))
   call append(5,"# * Filename      : ".expand("%:t"))
   call append(6,"# * Description   : ")
   call append(7,"# **********************************************************")
endfunction
EOF
		if [ "$?" == "0" ]; then
        	echo "新建文件头部信息设置成功！"
            return 0
        fi
	else
       	info
    fi
}


#功能选择
choice(){
	echo "---------功能列表-----------"
	echo "1:设置网络"
	echo "2:设置主机名"
	echo "3:下载常用工具"
	echo "4:关闭防火墙"
	echo "5:关闭交换分区"
	echo "6:设置tab按键字符"
	echo "7:设置新建文件头部信息"
	echo "8:设置selinux" 
	echo "0:退出"
	echo "----------------------------"
	read -p "请输入您要进行操作的功能序号:"  choice_num

}

choice

#功能执行
if [ ${choice_num} == 0 ];then
	echo "正在退出！！"
	sleep 1
	exit 0

elif [ ${choice_num} == 1 ];then
	setNetwork

elif [ ${choice_num} == 2 ];then
	setHostname

elif [ ${choice_num} == 3 ];then
	installTools

elif [ ${choice_num} == 4 ];then
	closeFirewalld

elif [ ${choice_num} == 5 ];then
	closeSwap

elif [ ${choice_num} == 6 ];then
        setTabChar

elif [ ${choice_num} == 7 ];then
        setFileTitle

else
	echo -n  "您输入有误！！"
	info	
fi

运行脚本

bash init.sh