上传文件至 'Shell-MD'
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#/bin/bash
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#功能函数
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mem(){
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mem_total=`free -m |awk NR==2'{print $2}'`
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mem_used=`free -m |awk NR==2'{print $3}'`
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mem_free=`free -m |awk NR==2'{print $4}'`
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mem_cache=`free -m |awk NR==2'{print $6}'`
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mem_s=$((${mem_used}*100/${mem_total}))
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mem_f=$((100-$mem_s))
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echo "内存的使用率: $mem_s"
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echo "内存的总量: $mem_total"
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echo "内存的空闲率: $mem_f"
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echo "内存的缓存量: $mem_cache"
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echo "内存的空闲量: $mem_free"
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}
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disk(){
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read -p "请输入分区名称:" name
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case $name in
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"/")
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echo `df -Th | awk NR==2'{print "总量:"$3,"使用:"$4,"空闲:"$5}'`
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;;
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"/boot")
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echo `df -Th | awk NR==7'{print "总量:"$3,"使用:"$4,"空闲:"$5}'`
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;;
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esac
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}
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system_info(){
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cat /etc/redhat-release | awk '{print "系统版本号:"$4}'
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echo "内核版本为:`uname -r`"
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ip a | grep "2:" | awk -F: '{print "网卡名称:"$2}'
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ip a | grep "cope global" | awk '{print $2}' |awk -F "/" '{print "IP地址是:"$1}'
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}
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cpu_info(){
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w | awk -F: NR==1'{print "CPU的平均负载:"$NF}'
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vmstat | awk NR==3'{print "CPU空闲率:"$(NF-2)}'
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cpu_id=`vmstat | awk NR==3'{print $(NF-2)}'`
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cpu_free=$((100-$cpu_id))
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echo "CPU使用率: $cpu_free"
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}
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install_yum(){
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rm -rf /etc/yum.repos.d/*
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curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
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curl -o /etc/yum.repos.d/epel.repo https://mirrors.aliyun.com/repo/epel-7.repo
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yum clean all &>/dev/null
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yum makecache fast &>/dev/nul
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}
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stop_firewalld(){
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systemctl stop firewalld && systemctl disable firewalld &>/dev/null
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setenforce 0 &>/dev/null
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sed -i '/^SELINUX/c SELINUX=disabled' /etc/selinux/config
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}
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list(){
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cat <<EOF
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a: 内存使用情况
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b: 磁盘使用情况
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c: 服务器信息
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d: CPU使用情况
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e: YUM源更换
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f: 关闭防火墙
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q: 退出
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EOF
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}
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@ -0,0 +1,30 @@
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#!/bin/bash
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source ./O.sh
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while :
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do
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list
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read -p "请输入您的选项:" num
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case $num in
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a)
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mem
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;;
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b)
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disk
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;;
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c)
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system_info
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;;
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d)
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cpu_info
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;;
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e)
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install_yum
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;;
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f)
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stop_firewalld
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;;
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q)
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exit
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;;
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esac
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done
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