Linux system resources and account security monitoring scripts

Source: Internet
Author: User
Tags account security

Tag:linux   local    resource    

#!/bin/bash#created by liter on 2014/7/11path=/opt/jdk1.6.0_45/bin:/usr/local/sbin:/usr/ Local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/binexport path#cpu infoid_cpu= ' top -b -d  2 -n 10 | grep cpu | grep -v grep | cut -d   ', '  -f 4 | tr -d -c  ' 0-9.\n '  | sort -n |  Head -n 1 ' use_cpu= ' echo  "100-$id _cpu" &NBSP;|&NBSP;BC  echo -e  "\e[32m***********  \e[0m "echo -e " \e[1;42m cpu info \e [0m "echo -e " if ($id _cpu<=20)  print \ "cpu has been used in \e[ 31m$use_cpu%, more than 80%\e[0m\n\ " else print \" CPU has been  Used in \e[31m$use_cpu%, less than 80%\e[0m\n\ ""  | bcecho -e  "\e[ 32m********************* \e[0m "#MEM  infototal_mem= ' Free -m | grep mem  | tr -d -c  ' 0-9 \n '  | tr -s  '   '  | cut - d  '   '  -f 2 ' used_mem= ' free -m | grep mem | tr -d -c   ' 0-9 \n '  | tr -s  '   '  | cut -d  '   '  -f 3 ' Free_mem= ' free -m | grep mem | tr -d -c  ' 0-9 \n '  |  tr -s  '   '  | cut -d  '   '  -f 4 ' buffers_mem= ' free -m  | grep Mem | tr -d -c  ' 0-9 \n '  | tr -s  '   '  | cut -d  '   '  -f 6 ' cached_mem= ' free -m | grep  mem | tr -d -c  ' 0-9 \n '  | tr -s  '   '  | cut  -d  '   '  -f 7 ' numerator=$[  $used _mem -  $buffers _mem -  $cached _mem ]float= ' echo   "scale=2; $numerator/$total _mem" &NBSP;|&NBSP;BC ' int_float= ' echo  "$float  * 100"  | &NBSP;BC ' echo -e  "\e[1;42m mem info \e[0m" echo  "total_mem is  $total _ Mem m "echo " used_mem is  $used _mem m "echo " true_used_mem is  $numerator  m "echo " buffers_mem is  $buffers _mem m "echo " cached_mem is  $cached _mem  m "echo -e " if ($int _float>=80)  print \ "Mem has been used in  \e[31m$int_float%, more than 80%\e[0m\n\ " else print \" MEM has  Been used in \e[31m$int_float%, less than 80%\e[0m\n\ ""  | bcecho  -e  "\e[32m******************************************************* \e[0m" #SWAP  infoecho -e   "\E[1;42M&NBSP;SWAP&NBsp;info \e[0m "total_swap= ' free -m | grep swap | tr -d -c  ' 0-9 \n '  | tr -s  '   '  | cut -d  '   '  -f 2 ' if  [  $total _swap -eq 0 ];thenecho -e  "\e[31mswap is unavailable\e[ 0m "elseused_swap= ' free -m | grep swap | tr -d -c  ' 0-9 \n '  | tr -s  '   '  | cut -d  '   '  -f 3 ' free_swap= ' free  -m | grep Swap | tr -d -c  ' 0-9 \n '  | tr -s   '   '  | cut -d  '   '  -f 4 ' float_swap= ' echo  ' scale=2; $used _swap/ $total _swap "&NBSP;|&NBSP;BC ' echo " total_swap is  $total _swap m "echo " Used_swap is   $used _swap m "percentage_swap= ' echo " float_swap * 100 "&NBSP;|&NBSP;BC" echo -e   "Swap has been used in \e[31m$percentage_swap%\e[0m "fiecho -e " \e[32m******************************  \e[0m "#DISK  INFOecho -e " \e[1;42m disk info \e[0m "df -thecho -e " \e[32m******************************************************* \e[0m "# passwd tableecho -e  "\e[1;42m password table info \e[0m" passwd= "/root/. passwd "if [ ! -f " $passwd " ];thencp /etc/passwd /root/.passwdchattr +i  /root/.passwdfidiff /root/.passwd /etc/passwdif [ $? -eq 0 ];thenecho  -e  "\e[31m/etc/passwd have no change\e[0m" elseecho -e  "\e[31m/etc/passwd  maybe changed\e[0m "fiecho -e " \e[32m***************************************************** ** \e[0m "

Run the sample (CPU, memory, swap, disk, password table information):

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This article is from the "Rice Flowers in the Harvest" blog, please be sure to keep this source http://liter0015.blog.51cto.com/8746750/1637362

Linux system resources and account security monitoring scripts

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