监控linux系统的简易脚本

  • 我先把脚本粘贴在这吧,方便大家观看,其中也是借鉴了不少其他大神的东西,这个脚本主要是用来监控服务器、用户、日志,还得创建备份,等等等等。最近学的shell比较多,就用这个来练练手了,比较简单,大家凑合看吧。


  • #! /bin/bash
     10 # unset any variable which system may be using
     11 
     12 # clear the screen
     13 clear
     14 
     15 unset tecreset os architecture kernelrelease internalip externalip nameserver loadaverage
     16 
     17 while getopts iv name
     18 do
     19         case $name in
     20           i)iopt=1;;
     21           v)vopt=1;;
     22           *)echo "Invalid arg";;
     23         esac
     24 done
     25 
     26 if [[ ! -z $iopt ]]
     27 then
     28 {
     29 wd=$(pwd)
     30 basename "$(test -L "$0" && readlink "$0" || echo "$0")" > /tmp/scriptname
     31 scriptname=$(echo -e -n $wd/ && cat /tmp/scriptname)
     32 su -c "cp $scriptname /usr/bin/monitor" root && echo "Congratulations! Script Installed, now run monitor Command" || echo "Installation failed"
     33 }
     34 fi
     35 
     36 if [[ ! -z $vopt ]]
     37 then
     38 {
     39 echo -e "tecmint_monitor version 0.1
    Designed by Tecmint.com
    Released Under Apache 2.0 License"
     40 }
     41 fi
     42 
     43 if [[ $# -eq 0 ]]
     44 then
     45 {
     46 
     47 
     48 # Define Variable tecreset
     49 tecreset=$(tput sgr0)
     50 
     51 # Check if connected to Internet or not
     52 ping -c 1 google.com &> /dev/null && echo -e 'E[32m'"Internet: $tecreset Connected" || echo -e 'E[32m'"Internet: $tecreset Disconnected"
     53 
     54 # Check OS Type
     55 os=$(uname -o)
     56 echo -e 'E[32m'"Operating System Type :" $tecreset $os
     57 
     58 # Check OS Release Version and Name
     59 cat /etc/os-release | grep 'NAME|VERSION' | grep -v 'VERSION_ID' | grep -v 'PRETTY_NAME' > /tmp/osrelease
     60 echo -n -e 'E[32m'"OS Name :" $tecreset  && cat /tmp/osrelease | grep -v "VERSION" | cut -f2 -d"
     61 echo -n -e 'E[32m'"OS Version :" $tecreset && cat /tmp/osrelease | grep -v "NAME" | cut -f2 -d"
     62 
     63 # Check Architecture
     64 architecture=$(uname -m)
     65 echo -e 'E[32m'"Architecture :" $tecreset $architecture
     66 
     67 # Check Kernel Release
     68 kernelrelease=$(uname -r)
     69 echo -e 'E[32m'"Kernel Release :" $tecreset $kernelrelease
     70 
     71 # Check hostname
     72 echo -e 'E[32m'"Hostname :" $tecreset $HOSTNAME
     73 
     74 # Check Internal IP
     75 internalip=$(hostname -I)
     76 echo -e 'E[32m'"Internal IP :" $tecreset $internalip
     77 
     78 # Check External IP
     79 externalip=$(curl -s ipecho.net/plain;echo)
     80 echo -e 'E[32m'"External IP : $tecreset "$externalip
     81 
     82 # Check DNS
     83 nameservers=$(cat /etc/resolv.conf | sed '1 d' | awk '{print $2}')
     84 echo -e 'E[32m'"Name Servers :" $tecreset $nameservers 
     85 
     86 # Check Logged In Users
     87 who>/tmp/who
     88 echo -e 'E[32m'"Logged In users :" $tecreset && cat /tmp/who
     89 
     90 # Check RAM and SWAP Usages
     91 free -h | grep -v + > /tmp/ramcache
     92 echo -e 'E[32m'"Ram Usages :" $tecreset
     93 cat /tmp/ramcache | grep -v "Swap"
     94 echo -e 'E[32m'"Swap Usages :" $tecreset
     95 cat /tmp/ramcache | grep -v "Mem"
     96 
     97 # Check Disk Usages
     98 df -h| grep 'Filesystem|/dev/sda*' > /tmp/diskusage
     99 echo -e 'E[32m'"Disk Usages :" $tecreset 
    100 cat /tmp/diskusage
    101 
    102 # Check Load Average
    103 loadaverage=$(top -n 1 -b | grep "load average:" | awk '{print $10 $11 $12}')
    104 echo -e 'E[32m'"Load Average :" $tecreset $loadaverage
    105 
    106 # Check System Uptime
    107 tecuptime=$(uptime | awk '{print $3,$4}' | cut -f1 -d,)
    108 echo -e 'E[32m'"System Uptime Days/(HH:MM) :" $tecreset $tecuptime
    109 
    110 # Unset Variables
    111 unset tecreset os architecture kernelrelease internalip externalip nameserver loadaverage
    112 
    113 # Remove Temporary Files
    114 rm /tmp/osrelease /tmp/who /tmp/ramcache /tmp/diskusage
    115 }
    116 fi
    117 shift $(($OPTIND -1))
  • 这个脚本可以安装也可以直接运行,看你自己的喜好了。无毒无害,你可以试一试,哈哈哈。
    •   安装命令:./tecmint_monitor.sh -i
    •   执行脚本命令:./tecmint_monitor.sh
    •   之后你就可以在任意的一个地方去执行monitor命令,就是这么简单:
    •   你运行命令就会获得下面这些各种各样和系统相关的信息:
      • 互联网连通性
      • 操作系统类型
      • 操作系统名称
      • 操作系统版本
      • 架构
      • 内核版本
      • 主机名
      • 内部IP
      • 外部IP
      • 域名服务器
      • 已登录用户
      • 内存使用率
      • 交换分区使用率
      • 磁盘使用率
      • 平均负载
      • 系统开机时间

    • 这个是运行效果图:
    • Linux Server Health Monitoring

  •   这个脚本其实还是比较好用的,日常的一些监控系统的活都让它干了,这样我自己就比较轻松了。
原文地址:https://www.cnblogs.com/Kobe10/p/5980464.html