linux系统巡检

#!/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