Linux系統資源及賬戶安全監測指令碼
阿新 • • 發佈:2020-10-09
#!/bin/bash #Createdbyliteron2014/7/11 PATH=/opt/jdk1.6.0_45/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin exportPATH #CPUINFO id_cpu=`top-b-d2-n10|grepCpu|grep-vgrep|cut-d','-f4|tr-d-c'0-9.\n'|sort-n|head-n1` use_cpu=`echo"100-$id_cpu"|bc` echo-e"\e[32m*******************************************************\e[0m" echo-e"\e[1;42mCPUINFO\e[0m" echo-e"if($id_cpu<=20)print\"CPUhasbeenusedin\e[31m$use_cpu%,morethan80%\e[0m\n\"elseprint\"CPUhasbeenusedin\e[31m$use_cpu%,lessthan80%\e[0m\n\""|bc echo-e"\e[32m*******************************************************\e[0m" #MEMINFO total_mem=`free-m|grepMem|tr-d-c'0-9\n'|tr-s''|cut-d''-f2` used_mem=`free-m|grepMem|tr-d-c'0-9\n'|tr-s''|cut-d''-f3` free_mem=`free-m|grepMem|tr-d-c'0-9\n'|tr-s''|cut-d''-f4` buffers_mem=`free-m|grepMem|tr-d-c'0-9\n'|tr-s''|cut-d''-f6` cached_mem=`free-m|grepMem|tr-d-c'0-9\n'|tr-s''|cut-d''-f7` numerator=$[$used_mem-$buffers_mem-$cached_mem] float=`echo"scale=2;$numerator/$total_mem"|bc` int_float=`echo"$float*100"|bc` echo-e"\e[1;42mMEMINFO\e[0m" echo"total_memis$total_memM" echo"used_memis$used_memM" echo"true_used_memis$numeratorM" echo"buffers_memis$buffers_memM" echo"cached_memis$cached_memM" echo-e"if($int_float>=80)print\"MEMhasbeenusedin\e[31m$int_float%,morethan80%\e[0m\n\"elseprint\"MEMhasbeenusedin\e[31m$int_float%,lessthan80%\e[0m\n\""|bc echo-e"\e[32m*******************************************************\e[0m" #SWAPINFO echo-e"\e[1;42mSWAPINFO\e[0m" total_swap=`free-m|grepSwap|tr-d-c'0-9\n'|tr-s''|cut-d''-f2` if[$total_swap-eq0];then echo-e"\e[31mswapisunavailable\e[0m" else used_swap=`free-m|grepSwap|tr-d-c'0-9\n'|tr-s''|cut-d''-f3` free_swap=`free-m|grepSwap|tr-d-c'0-9\n'|tr-s''|cut-d''-f4` float_swap=`echo"scale=2;$used_swap/$total_swap"|bc` echo"total_swapis$total_swapM" echo"used_swapis$used_swapM" percentage_swap=`echo"float_swap*100"|bc` echo-e"SWAPhasbeenusedin\e[31m$percentage_swap%\e[0m" fi echo-e"\e[32m*******************************************************\e[0m" #DISKINFO echo-e"\e[1;42mDISKINFO\e[0m" df-Th echo-e"\e[32m*******************************************************\e[0m" #PASSWDTABLE echo-e"\e[1;42mPASSWORDTABLEINFO\e[0m" passwd="/root/.passwd" if[!-f"$passwd"];then cp/etc/passwd/root/.passwd chattr+i/root/.passwd fi diff/root/.passwd/etc/passwd if[$?-eq0];then echo-e"\e[31m/etc/passwdhavenochange\e[0m" else echo-e"\e[31m/etc/passwdmaybechanged\e[0m" fi echo-e"\e[32m*******************************************************\e[0m"
執行示例(cpu,記憶體,swap,磁碟,密碼錶資訊):
轉載於:https://blog.51cto.com/liter0015/1637362