The bash script for my "server-info" command

server-info Script

#!/bin/bash
# Modified: Tuesday, January 26, 2021  9:10 AM
#
# This is server-into, formerly 'dynmotd'.
# This script reqiures 'figlet' and 'mdv'
#
# Park this script in /usr/local/bin and give it rwxr-xr-x (755) file protection.
# Create a symbolic link 'ln -s /usr/local/bin/server-info server' in /usr/local/bin if you like.

# Try to get the client IP address (important for debugging remotely in some cases).
OLD_SSH_CLIENT=$(cat /tmp/ssh_client_address)
if [ -z "$SSH_CLIENT" ]
then
 echo "SSH_CLIENT is Unknown.  Using previously obtained address."
else
 echo $SSH_CLIENT | awk {'print $1'} > /tmp/ssh_client_address
fi
CLIENT_ADDRESS=$(head -n 1 /tmp/ssh_client_address)
cp -f /etc/server-info.md /tmp/server-info.md
sed -i.bak 's/'SSH_CLIENT_HERE'/'$CLIENT_ADDRESS'/g' /tmp/server-info.md

# Get some session/user info.
PROCCOUNT=`ps -Afl | wc -l`
PROCCOUNT=`expr $PROCCOUNT - 5`
GROUPZ=`groups`
if [[ $GROUPZ == *irc* ]]; then
ENDSESSION=`cat /etc/security/limits.conf | grep "@irc" | grep maxlogins | awk {'print $4'}`
PRIVLAGED="IRC Account"
else
ENDSESSION="Unlimited"
PRIVLAGED="Regular User"
fi

# Try to determine the OS and version.
ARCH=$(uname -m | sed 's/x86_//;s/i[3-6]86/32/')
if [ -f /etc/redhat-release ]; then
   OS=$(cat /etc/centos-release)
elif [ -f /etc/lsb-release ]; then
   . /etc/lsb-release
   OS=$DISTRIB_DESCRIPTION
fi

# OK, go!
echo -e "\033[1;32m`hostname | figlet -f /usr/share/figlet/big.flf`"
echo -e "\033[0;35m+++++++++++++++++: \033[0;36mSystem Data\033[0;35m :+++++++++++++++++++
\033[0;35m+   \033[0;94mHostname \033[0;35m= \033[1;32m`hostname`
\033[0;35m+         \033[0;94mOS \033[0;35m= \033[1;32m`echo $OS`
\033[0;35m+    \033[0;94mAddress \033[0;35m= \033[1;32m`hostname -I`
\033[0;35m+     \033[0;94mKernel \033[0;35m= \033[1;32m`uname -r`
\033[0;35m+     \033[0;94mMemory \033[0;35m= \033[1;32m`cat /proc/meminfo | grep MemTotal | awk {'print $2'}` kB
\033[0;35m+ \033[0;94mSSH Client \033[0;35m= \033[1;32m`echo $CLIENT_ADDRESS`"
echo -e "\033[0;35m++++++++++++++++++: \033[0;36mUser Data\033[0;35m :++++++++++++++++++++
\033[0;35m+  \033[0;94mUsername \033[0;35m= \033[1;32m`whoami`
\033[0;35m+ \033[0;94mPrivlages \033[0;35m= \033[1;32m$PRIVLAGED
\033[0;35m+  \033[0;94mSessions \033[0;35m= \033[1;32m`who | grep $USER | wc -l` of $ENDSESSION MAX
\033[0;35m+ \033[0;94mProcesses \033[0;35m= \033[1;32m$PROCCOUNT of `ulimit -u` MAX"
echo -e "\033[0;35m++++++++++++++++++: \033[0;346Disk Data\033[0;35m :++++++++++++++++++++
\033[1;32m`df -h / | grep '%'`"
echo -e "\033[0;35m+++++++++++++: \033[0;36mHelpful Information\033[0;35m :+++++++++++++++
\033[0;35m+ \033[0;94mThis Script \033[0;35m= \033[1;32m/usr/local/bin/server-info
\033[0;35m+ \033[0;94mMaintenance Info \033[0;35m= \033[1;32m/etc/server-info.md
\033[0;35m+ \033[0;94mMore Information \033[0;35m= \033[1;32mhttps://static.grinnell.edu/blogs/McFateM"
echo -e "\033[0;35m+++++++++++: \033[0;31mMaintenance Information\033[0;35m :+++++++++++++
`mdv /etc/server-info.md`"
echo ""

Updated the "More Information" link to point to my professional blog.