Personnaliser ton motd

let upSeconds="$(/usr/bin/cut -d. -f1 /proc/uptime)"
let secs=$((${upSeconds}%60))
let mins=$((${upSeconds}/60%60))
let hours=$((${upSeconds}/3600%24))
let days=$((${upSeconds}/86400))

UPTIME=`printf "%d days, %02dh%02dm%02ds" "$days" "$hours" "$mins" "$secs"`
REMOTEIP=`echo $SSH_CLIENT | awk {print $1}`

if [ -f /var/run/reboot-required ]; then
REBOOT="'033[22;31m>>>>>> This server require a reboot <<<<<<'033[0m"
fi

if [ -f /var/log/checkupdate.log ]; then PACKAGE=`cat /var/log/checkupdate.log | awk -F ; {print $1}` SECURITY=`cat /var/log/checkupdate.log | awk -F ; {print $2}`
fi

if [ "$SECURITY" -gt 0 ]; then SECURITY="'033[22;31m${SECURITY}'033[0m"
fi

# get the load averages
read one five fifteen rest < /proc/loadavg
echo -e "--------- '033[22;31mW'033[22;32melcome '033[0m--------------------------------------------- --- -- - -
You are entering into a secured area! All activities on this system
are logged. Unauthorized access will be fully investigated and
reported to the appropriate law enforcement agencies.
------------------------------------------------------------ --- -- - -
You are connected from ${REMOTEIP} as `whoami`@`hostname`
Uptime.....: ${UPTIME}
Memory.....: `free -m | grep Mem: | awk {print $3}`MB (Used) / `free -m | grep Mem: | awk {print $2}`MB (Total) / `free -m | grep Mem: | awk {print $4}`MB (Free)
Load Avg...: ${one}, ${five}, ${fifteen} (1, 5, 15 min)
Top process: Memory: `ps axo %mem,comm | grep -v "MEM"| sort -nr | head -n 1 | awk {print $2}` `ps axo %mem,comm | grep -v "MEM" | sort -nr | head -n 1 | awk {print $1}`% Cpu: `ps axo pcpu,comm | grep -v "CPU" | sort -nr | head -n 1 | awk {print $2}` `ps axo pcpu,comm | grep -v "CPU" | sort -nr | head -n 1 | awk {print $1}`%
Update.....: ${PACKAGE} package update / ${SECURITY} security update ${REBOOT}
------------------------------------------------------------------ --- -- - - '033[0m"

#!/bin/bash
if [ -f /var/log/checkupdate.log ]; then
rm -f /var/log/checkupdate.log
fi
/usr/lib/update-notifier/apt-check >> /var/log/checkupdate.log 2>&1
</File>

On fini par le rendre executable :

<code bash>
$ chmod +x /etc/cron.hourly/checkupdate