#!/bin/bash
# Installation:
#
# 1. vim /etc/ssh/sshd_config
# PrintMotd no
#
# 2. vim /etc/pam.d/login
# # session optional pam_motd.so
#
# 3. vim /etc/profile
# /usr/local/bin/dynmotd # Place at the bottom
#
# 4. Then of course drop this file at
# /usr/local/bin/dynmotd
#
USER=`whoami`
HOSTNAME=`uname -n`
ROOT=`df -Ph | grep root | awk '{print $4}' | tr -d '\n'`
HOME=`df -Ph | grep home | awk '{print $4}' | tr -d '\n'`
BACKUP=`df -Ph | grep backup | awk '{print $4}' | tr -d '\n'`
MEMORY1=`free -t -m | grep "buffers/cache" | awk '{print $3" MB";}'`
MEMORY2=`free -t -m | grep "Mem" | awk '{print $2" MB";}'`
PSA=`ps -Afl | wc -l`
# time of day
HOUR=$(date +"%H")
if [ $HOUR -lt 12 -a $HOUR -ge 0 ]
then TIME="morning"
elif [ $HOUR -lt 17 -a $HOUR -ge 12 ]
then TIME="afternoon"
else
TIME="evening"
fi
#System uptime
uptime=`cat /proc/uptime | cut -f1 -d.`
upDays=$((uptime/60/60/24))
upHours=$((uptime/60/60%24))
upMins=$((uptime/60%60))
upSecs=$((uptime%60))
#System load
LOAD1=`cat /proc/loadavg | awk {'print $1'}`
LOAD5=`cat /proc/loadavg | awk {'print $2'}`
LOAD15=`cat /proc/loadavg | awk {'print $3'}`
echo "
_______ __ __ _______ _______ _______ __ _ _______ __ __ _______ _______ _______ _______
| || | | || _ || || || | | || || | | || || _ || || |
| || |_| || |_| || _____|| _ || |_| || || |_| || _ || |_| ||_ _|| ___|
| || || || |_____ | | | || || || || | | || | | | | |___
| _|| || ||_____ || |_| || _ || _|| || |_| || | | | | ___|
| |_ | _ || _ | _____| || || | | || |_ | _ || || _ | | | | |___
|_______||__| |__||__| |__||_______||_______||_| |__||_______||__| |__||_______||__| |__| |___| |_______|
Good $TIME $USER"
echo "
===========================================================================
- Hostname............: $HOSTNAME
- Release.............: `cat /etc/redhat-release`
- Users...............: Currently `users | wc -w` user(s) logged on
===========================================================================
- Current user........: $USER
- CPU usage...........: $LOAD1, $LOAD5, $LOAD15 (1, 5, 15 min)
- Memory used.........: $MEMORY1 / $MEMORY2
- Swap in use.........: `free -m | tail -n 1 | awk '{print $3}'` MB
- Processes...........: $PSA running
- System uptime.......: $upDays days $upHours hours $upMins minutes $upSecs seconds
- Disk space ROOT.....: $ROOT remaining
- Disk space HOME.....: $HOME remaining
- Disk space BACK.....: $BACKUP remaining
===========================================================================
"
#!/bin/sh
#We need to install figlet pkg. This will be our cool formated text. From “FIGlet” is a program for making large letters out of ordinary text.
#http://pkgs.repoforge.org/figlet/
#rpm -ivh
#
#Create a file called dymotd.sh, or whatever you wish
#touch /usr/src/scripts/dymotd
#
#Give permissions to execution
#chmod +x /usr/src/scripts/dymotd
#
#Put the absolute path(/usr/src/scripts/dymotd) at the end of the /etc/profile
[ -r /etc/lsb-release ] && . /etc/lsb-release
if [ -z "$DISTRIB_DESCRIPTION" ] && [ -x /usr/bin/lsb_release ]; then
# Fall back to using the very slow lsb_release utility
DISTRIB_DESCRIPTION=$(lsb_release -s -d)
fi
figlet $(hostname)
printf "\n"
printf "Welcome to %s (%s).\n" "$DISTRIB_DESCRIPTION" "$(uname -r)"
printf "\n"
#System date
date=`date`
#System load
LOAD1=`cat /proc/loadavg | awk {'print $1'}`
LOAD5=`cat /proc/loadavg | awk {'print $2'}`
LOAD15=`cat /proc/loadavg | awk {'print $3'}`
#System uptime
uptime=`cat /proc/uptime | cut -f1 -d.`
upDays=$((uptime/60/60/24))
upHours=$((uptime/60/60%24))
upMins=$((uptime/60%60))
upSecs=$((uptime%60))
#Root fs info
root_usage=`df -h / | awk '/\// {print $4}'|grep -v "^$"`
fsperm=$(mount | grep root | awk '{print $6}' | awk -F"," '{print $1}')
#Memory Usage
memory_usage=`free -m | awk '/Mem:/ { total=$2 } /buffers\/cache/ { used=$3 } END { printf("%3.1f%%", used/total*100)}'`
swap_usage=`free -m | awk '/Swap/ { printf("%3.1f%%", $3/$2*100) }'`
#Users
users=`users | wc -w`
USER=`whoami`
#Processes
processes=`ps aux | wc -l`
#Interfaces
INTERFACE=$(ip -4 ad | grep 'state UP' | awk -F ":" '!/^[0-9]*: ?lo/ {print $2}')
echo "System information as of: $date"
echo
printf "System Load:\t%s %s %s\tSystem Uptime:\t\t%s "days" %s "hours" %s "min" %s "sec"\n" $LOAD1, $LOAD5, $LOAD15 $upDays $upHours $upMins $upSecs
printf "Memory Usage:\t%s\t\t\tSwap Usage:\t\t%s\n" $memory_usage $swap_usage
printf "Usage On /:\t%s\t\t\tAccess Rights on /:\t%s\n" $root_usage $fsperm
printf "Local Users:\t%s\t\t\tWhoami:\t\t\t%s\n" $users $USER
printf "Processes:\t%s\t\t\t\n" $processes
printf "\n"
printf "Interface\tMAC Address\t\tIP Address\t\n"
for x in $INTERFACE
do
MAC=$(ip ad show dev $x |grep link/ether |awk '{print $2}')
IP=$(ip ad show dev $x |grep -v inet6 | grep inet|awk '{print $2}')
printf $x"\t\t"$MAC"\t"$IP"\t\n"
done
echo
echo
