#!/bin/bash

# Copy this file to /bin/welcomer and change permisson +x 
# sudo bash -c $'echo "/bin/welcomer" >> /etc/profile.d/mymotd.sh && chmod +x /etc/profile.d/mymotd.sh'


MEMTOTAL=`awk '$3=="kB"{$2=$2/1024**2;$3="GB";} 1' /proc/meminfo | column -t | grep "MemTotal" | awk '{print $2}'`
MEMFREE=`awk '$3=="kB"{$2=$2/1024**2;$3="GB";} 1' /proc/meminfo | column -t | grep "MemAvailable" | awk '{print $2}'` 
NETE=`ip a | awk {'print $2'} | grep -i en | sed 's/://g'`
NETW=`ip a | awk {'print $2'} | grep -i wl | sed 's/://g'`

if [ -z "$NETW" ]; then
    NETD=$NETE
else
    NETD=$NETW
fi

   echo -e "
   \033[0;35m+++++++++++++++++++: \033[0;37mInfo\033[0;35m :+++++++++++++++++++++++++++++++++++++++++++++++++++++
   +
   +  \033[0;37mHostname  \033[0;35m= \033[1;32m `hostname`
   \033[0;35m+  \033[0;37mAddress   \033[0;35m= \033[1;32m `/sbin/ip addr show $NETD | grep "inet " | awk '{print $2}' | cut -d'/' -f1`
   \033[0;35m+  \033[0;37mKernel    \033[0;35m= \033[1;32m `uname -r`
   \033[0;35m+  \033[0;37mUptime    \033[0;35m= \033[1;32m`uptime | sed 's/.*up ([^,]*), .*/1/'`
   \033[0;35m+  \033[0;37mMemory    \033[0;35m= \033[1;32m $MEMTOTAL GB (free $MEMFREE GB)\033[0;35m
   \033[0;35m+  \033[0;37mUsername  \033[0;35m= \033[1;32m `whoami`\033[0;35m
   +
   \033[0;35m++++++++++++++++++: \033[0;37mStorage\033[0;35m :+++++++++++++++++++++++++++++++++++++++++++++++++++
   +
   +  \033[0;37m/                  \033[0;35m= \033[1;32m `df -h / | sed '1,1d'  | awk '{print $5\", \"$2\" (Total), \"$3\" (Usage)\"}'`\033[0;35m
   +
   \033[0;35m++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ \033[0m"
   echo ""