linux系统巡检

技术2026-03-10 9

#!/bin/bash ####################### ##作者：海涛 ##创作时间：二零二零年-七月 ####################### ##安装基本监控软件 yum -y install sysstat bc &>/dev/null ####################### ##变量定义区 datename=$(date +%Y%m%d-%H:%M:%S) ip=`ip a | grep inet|grep 255 |awk '{print $2}'` tcp_sl=`netstat -tnlp | wc -l` tcp_name=`netstat -tnlp | awk '{print $4,$7,$8}'|awk 'NR>2' | column -t` banben=`cat /etc/redhat-release` user=`whoami` date1=`date | awk '{print $1,$2,$3,$4,$5 }'` cpu1=`cat /proc/cpuinfo | grep name |awk -F":" '{print $2}'` cpu_hz=`cat /proc/cpuinfo |grep MHz |awk -F":" '{print $2}'` bit=`getconf LONG_BIT` cpu_fz=`uptime | awk -F"average:" '{print $2,$3}'` cpu_zy=`ps auxw | head -1;ps auxw|sort -rn -k4|head -5` root_size=`df -TH |grep root |awk '{print $3}'` root_size1=`df -TH |grep root |awk '{print $5}'` root_size2=`df -TH |grep root |awk '{print $6}'` swap_size=` free -h |grep wap |awk '{print $2}'` swap_size1=` free -h |grep wap |awk '{print $4}'` mem_size=`free -h |grep em |awk '{print $2}'` mem_size1=`free -h |grep em |awk '{print $4}'` io1=` iostat -x 1 1| grep sda |awk '{print $14}'` io=`iostat -x 1 1` dlu=`last | head` if [ `echo "$io1 > 70" | bc` -eq 1 ];then io_zy=高 else io_zy="正常" fi inode1=`df -i |head -2` ######################### ##函数定义区 ip_ll(){ ipll1=` cat /proc/net/dev | column -t` echo "**(网.络.流.量.相.关)*********************************************************************** 当前流量详细信息 $ipll1 ------------------------------------------------------------------------------------------------ 系统健康信息及常用服务检查 " } ping1(){ ping -c 1 www.baidu.com &>/dev/null if [ $? -eq 0 ];then ping_tong=能连接网络！ else ping_tong=不能连接网络！ fi echo "------网络状态：$ping_tong " } nginx1(){ rpm -qa | grep nginx &>/dev/null if [ $? -eq 0 ];then netstat -tnlp | grep nginx &>/dev/null if [ $? -eq 0 ];then echo "------nginx:服务状态正常！ " else echo "------nginx:服务未启动！ " fi else echo "------未安装nginx ！ " fi } httpd1(){ rpm -qa | grep httpd &>/dev/null if [ $? -eq 0 ];then netstat -tnlp | grep httpd &>/dev/null if [ $? -eq 0 ];then echo "------httpd:服务状态正常！ " else echo "------httpd:服务未启动！ " fi else echo "------未安装httpd ！ " fi } mysql1(){ rpm -qa | grep mysql &>/dev/null if [ $? -eq 0 ];then netstat -tnlp | grep mysql &>/dev/null if [ $? -eq 0 ];then echo "------mysql:服务状态正常！ " else echo "------mysql:服务未启动！ " fi else echo "------未安装mysql ！ " fi } keepalived1(){ rpm -qa | grep keepalived &>/dev/null if [ $? -eq 0 ];then netstat -tnlp | grep keepalived &>/dev/null if [ $? -eq 0 ];then echo "------keepalived:服务状态正常！ " else echo "------keepalived:服务未启动！ " fi else echo "------未安装keepalived ！ " fi } redis1(){ rpm -qa | grep redis &>/dev/null if [ $? -eq 0 ];then netstat -tnlp | grep redis &>/dev/null if [ $? -eq 0 ];then echo "------redis:服务状态正常！ " else echo "------redis:服务未启动！ " fi else echo "------未安装redis ！ " fi } service1(){ echo " " echo "-----------------系统服务检查----------------------" runing1=`systemctl list-units --type=service --state=running --no-pager | grep ".service"` enable1=`systemctl list-unit-files --type=service --state=enabled --no-pager | grep "enabled"` runing2=`systemctl list-units --type=service --state=running --no-pager | grep ".service"| wc -l` enable2=`systemctl list-unit-files --type=service --state=enabled --no-pager | grep "enabled"| wc -l` echo " " echo "-------------正在运行的服务.数量$runing2个----------- $runing1 " echo "" echo "------------系统全部自启动服务.数量$enable2个 --------- $enable1 " } jhrw(){ team=`cat /etc/passwd |cut -f 1 -d :` for user in ${team} do crontab -l -u $user > /dev/null 2>&1 if [ $? -eq 0 ];then user1=`crontab -l -u $user` user2=`crontab -l -u $user |wc -l` echo " " echo "用户名：$user 计划任务数量：$user2个 --------计划任务信息------- $user1" echo "" fi done } userjc(){ username=`cat /etc/passwd |awk -F":" '{print $1}'` for name in $username do pass1=`chage -l $name | column -t|awk 'NR==1';chage -l $name | column -t|awk 'NR==2'` echo "" echo "------用户：$name-------" echo "$pass1" done } ########################## ##变量输出区 echo " ------------------------------------------------------------------------------------------- 用户名称：$user 当前时间：$date1 系统版本：$banben $bit位 **(C.P.U.相.关)**************************************************************************** 处理器名称:$cpu1 处理器频率:$cpu_hz 赫兹 --(c.p.u.负载)----------------------------------------------------------------------------- 处理器负载平均值:$cpu_fz (5分钟/10分钟/15分钟) ------------------------------------------------------------------------------------------- 前5个资源占用进程信息: $cpu_zy **(磁.盘.相.关)**************************************************************************** 当前root根目录总容量为:$root_size 当前root更目录可用容量为:$root_size1 已用百分比$root_size2 ------------------------------------------------------------------------------------------- 当前主分区iNode利用率详细信息 $inode1 ------------------------------------------------------------------------------------------- 当前io占用$io_zy 详细信息输出 $io **(内.存.相.关)**************************************************************************** 当前内存总容量为:$mem_size 当前内存可用容量为:$mem_size1 当前交换分区总容量为:$swap_size 当前交换分区可用容量为:$swap_size1 **(I.P.相.关)****************************************************************************** 当前ip $ip **(端.口.相.关）**************************************************************************** 当前监听端口数量 $tcp_sl 个！ ------------------------------------------------------------------------------------------- 端口号 | 进程id / 对应端口进程 $tcp_name " > /tmp/$datename.log ############################### ##变量输出区 ip_ll >> /tmp/$datename.log ping1 >> /tmp/$datename.log echo " " >> /tmp/$datename.log echo "---------常用服务检查--------" >> /tmp/$datename.log nginx1>> /tmp/$datename.log httpd1>> /tmp/$datename.log mysql1>> /tmp/$datename.log redis1>> /tmp/$datename.log keepalived1>> /tmp/$datename.log service1>> /tmp/$datename.log echo "-----------登录检查------------- $dlu" >> /tmp/$datename.log echo "----------计划任务查询----------" >> /tmp/$datename.log jhrw >> /tmp/$datename.log echo "---------用户及密码检查---------" >> /tmp/$datename.log userjc >> /tmp/$datename.log ############################### ##选择输出区 read -p "（系统信息输出成功,查看输入数字'1'）" sr if [ $sr = 1 ];then clear cat /tmp/$datename.log else echo "输入有误,退出脚本！信息位置/tmp/$datename.log ,自行查看！ " exit fi

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