添加 centos.sh

centos.sh

@@ -0,0 +1,81 @@
+#!/usr/bin/bash
+list(){
+echo "--------------------------------------"
+echo "------------性能优化工具箱------------"
+echo "------------1.更换YUM源---------------"
+echo "------------2.关闭防火墙--------------"
+echo "------------3.时间同步----------------"
+echo "------------4.创建用户----------------"
+echo "------------5.安装软件----------------"
+echo "------------6.EXIT--------------------"
+}
+yuan(){
+        rm -rf /etc/yum.repos.d/*
+        curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo &>/dev/null
+        curl -o /etc/yum.repos.d/epel.repo https://mirrors.aliyun.com/repo/epel-7.repo &>/dev/null
+        yum clean all
+        yum makecache fast
+}
+fire(){
+        systemctl stop firewalld
+        systemctl disable firewalld
+        setenforce 0 #临时关闭
+        sed -ri s/SELINUX=enforcing/SELINUX=disabled/g /etc/selinux/config  #永久关闭
+}
+timed(){
+        rpm -qa |grep ntpdate
+        if [ $? -eq 0 ];then
+                ntpdate ntp.aliyun.com
+        else
+                yum -y install ntpdate &> /dev/null
+                ntpdate ntp.aliyun.com
+fi
+}
+user(){
+        read -p "请输入你要创建的用户名字:" name
+        useradd $name
+        userpasswd=`echo $RANDOM`
+        echo $userpasswd|passwd --stdin $name &>/dev/null
+        if [ $? -eq 0 ];then
+                echo "用户名：$name的密码：$userpasswd">>/opt/user.txt
+                echo "用户创建成功"
+        else
+                exit
+                fi
+anzhuang(){
+        yum -y install vim lsof unzip wget &>/dev/null
+}
+}
+while :
+do
+list
+read -p "请输入您的选项：" num
+case $num in
+1)
+        yuan
+        sleep 3
+;;
+2)
+        fire
+        sleep 3
+;;
+3)
+        timed
+        sleep 3
+;;
+4)
+        user
+        sleep 3
+;;
+5)
+        anzhuang
+        sleep 3
+;;
+6)
+        exit
+;;
+*)
+        echo "请您按要求输入:(12345)"
+;;
+esac
+done