From dc10fe7c62ba805f0f4be18abc9ebcd9732fdf3b Mon Sep 17 00:00:00 2001
From: diandian <xingdianvip@gmail.com>
Date: Fri, 21 Apr 2023 10:18:31 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=8A=E4=BC=A0=E6=96=87=E4=BB=B6=E8=87=B3?=
 =?UTF-8?q?=20'Shell-MD'?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Shell-MD/O.sh | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++
 Shell-MD/P.sh | 30 ++++++++++++++++++++++
 2 files changed, 101 insertions(+)
 create mode 100644 Shell-MD/O.sh
 create mode 100644 Shell-MD/P.sh

diff --git a/Shell-MD/O.sh b/Shell-MD/O.sh
new file mode 100644
index 0000000..fcfa307
--- /dev/null
+++ b/Shell-MD/O.sh
@@ -0,0 +1,71 @@
+#/bin/bash
+#功能函数
+mem(){
+	mem_total=`free -m  |awk NR==2'{print $2}'`
+	mem_used=`free -m  |awk NR==2'{print $3}'`
+	mem_free=`free -m  |awk NR==2'{print $4}'`
+	mem_cache=`free -m  |awk NR==2'{print $6}'`
+	mem_s=$((${mem_used}*100/${mem_total}))
+	mem_f=$((100-$mem_s))
+	echo "内存的使用率： $mem_s"
+	echo "内存的总量: $mem_total"
+	echo "内存的空闲率: $mem_f"
+	echo "内存的缓存量: $mem_cache"
+	echo "内存的空闲量: $mem_free"
+}
+disk(){
+	read -p "请输入分区名称:" name
+	case $name in
+	"/")
+		echo `df -Th | awk NR==2'{print "总量:"$3,"使用:"$4,"空闲:"$5}'`
+	;; 
+	"/boot")
+		echo `df -Th | awk NR==7'{print "总量:"$3,"使用:"$4,"空闲:"$5}'`
+	;;
+	esac
+
+}
+system_info(){
+	cat /etc/redhat-release | awk '{print "系统版本号:"$4}'
+	echo "内核版本为:`uname -r`"
+	ip a | grep "2:" | awk -F: '{print "网卡名称:"$2}'
+	ip a | grep "cope global" | awk '{print $2}' |awk -F "/" '{print "IP地址是:"$1}'
+}
+cpu_info(){
+	w | awk -F:  NR==1'{print "CPU的平均负载:"$NF}'
+	vmstat | awk NR==3'{print "CPU空闲率:"$(NF-2)}'
+	cpu_id=`vmstat | awk NR==3'{print $(NF-2)}'`
+	cpu_free=$((100-$cpu_id))
+	echo "CPU使用率: $cpu_free"
+
+}
+install_yum(){
+	rm -rf /etc/yum.repos.d/*
+        curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
+        curl -o /etc/yum.repos.d/epel.repo https://mirrors.aliyun.com/repo/epel-7.repo
+        yum clean all &>/dev/null
+        yum makecache fast &>/dev/nul
+}
+stop_firewalld(){
+	systemctl stop firewalld && systemctl disable firewalld &>/dev/null
+	setenforce 0 &>/dev/null
+	sed -i '/^SELINUX/c SELINUX=disabled' /etc/selinux/config
+
+}
+list(){
+cat <<EOF
+a: 内存使用情况
+b: 磁盘使用情况
+c: 服务器信息
+d: CPU使用情况
+e: YUM源更换
+f: 关闭防火墙
+q: 退出
+EOF
+}
+
+
+
+
+
+
diff --git a/Shell-MD/P.sh b/Shell-MD/P.sh
new file mode 100644
index 0000000..accde7e
--- /dev/null
+++ b/Shell-MD/P.sh
@@ -0,0 +1,30 @@
+#!/bin/bash
+source ./O.sh
+while :
+do
+	list
+	read -p "请输入您的选项:" num
+	case $num in
+	a)
+		mem
+	;;
+	b)
+		disk
+	;;
+	c)
+		system_info
+	;;
+	d)
+		cpu_info
+	;;
+	e)
+		install_yum
+	;;
+	f)
+		stop_firewalld
+	;;
+	q)
+		exit
+	;;
+	esac
+done