#!/bin/bash date= ' date "+%f %t" ' head= "system information as of: $date" kernel= ' uname -r ' hostname= ' echo $HOSTNAME ' #Cpu loadload1= ' Cat /proc/loadavg | awk ' {print $1} ' load5= ' cat /proc/loadavg | awk ' {print $2} ' Load15= ' cat /proc/loadavg | awk ' {print $3} ' #System uptimeuptime= ' cat /proc/uptime | cut -f1 -d. ' Updays=$ ((uptime/60/60/24)) uphours=$ ((uptime/60/60%24)) upmins=$ ((uptime/60%60)) upsecs=$ ((uptime%60)) up_lastime= ' date -d ' $ (awk -f. ' {print $ 1} ' /proc/uptime ' second ago " +"%y-%m-%d %h:%m:%s "' #Memory usagemem_usage= ' free -m | awk '/mem:/{total=$2} /buffers\/cache/ {used=$3} end { printf ("%3.2f%%", used/total*100)} ' #Processesprocesses = ' ps aux | wc -l ' Zombie_ Processes= ' Ps axo stat&nbsP;|grep z |wc -l ' #Flavorcpus = ' CAT&NBSP;/PROC/CPUINFO&NBSP;|GREP&NBSP;PROCESSOR&NBSP;|WC -l ' mem= ' cat /proc/meminfo |grep memtotal|awk ' {print $2/1024/1024+0.9} ' |cut -d. -f1 ' #disk = ' lsblk -l |grep -w vd[a-z] |sed ' s/G//g ' |awk ' {sum +=$4} end {print sum} ' disk= ' lsblk -l |grep -w vd[a-z] |sed ' s/G/ /g ' |awk ' {print $4} ' |awk ' begin{fs= ' \ n '; Rs= ""; ors= ""}{for (x=1;x<=nf;x++) {print "-" $x "G"} print "\ n"} ' #Userusers = ' users | wc -w ' user= ' whoami ' #System fs usagefilesystem=$ (df -hp | awk '/ ^\/dev/{print $6} ') #InterfacesINTERFACES =$ (ip -4 ad | grep ' state ' | awk -f ":" '!/^[0-9]*: ?lo/ {print $2} ') echoecho -e "\t\033[34m* $head \033[0m" printf "\ n" printf "\ T" kernel version:\t%s\n " $kernelprintf " \ T "" hostname:\t%s\n " $hostnameprintf " \ T "" system load:\t %s %s %s\n " $load 1, $load 5, $load 15printf " \ T "" system uptime:\t%s "D," %s "H," %s "M," %s "S" \ n " $upDays $upHours $upMins $upSecsprintf " \ T "" Login users:\t%s\t\twhoami:\t%s\n " $users $USERprintf " \ T "" Processes:\t%s\t\tzombie proce : \t%s\n " $processes $zombie _processesprintf " \ T "" flavor size:\t%sc_%sg%s\tmemory usage:\t%s\n " $cpus $mem $disk $mem _usageprintf " \ n "printf " \ T "" filesystem\ Tusage\t\ttotal\n "for f in $Filesystem do usage=$ (df -hP | awk ' {if ($NF = = "' $f '" ") print $5} ') total=$ (df -hp | awk ' {if ($NF = = "' $f" ") print $2} ') echo -e " \t$ F\t\t$usage\t\t$total "&Nbsp;doneprintf "\ n" printf "\ T" "interface\tmac address\t\tip address\n" for i in $INTERFACES do mac=$ (ip ad show dev $i | grep "Link/ether" | awk ' {print $2} ') ip=$ (ip ad show dev $i | awk '/inet / {print $2} ' |awk ' begin{fs= ' \ n '; Rs= ""; ors= ""}{for (x=1;x<=nf;x++) {print $x "\ t"} print "\ n"} ') echo -e "\e[1;31m\t" $i "\t\t" $MAC "\t$ip\e[0m" doneecho
For displaying system information after a user logs on
Linux Login Display System Information script
