10-serverinfo

#!/bin/sh

UPTIME_DAYS=$(expr `cat /proc/uptime | cut -d '.' -f1` % 31556926 / 86400)
UPTIME_HOURS=$(expr `cat /proc/uptime | cut -d '.' -f1` % 31556926 % 86400 / 3600)
UPTIME_MINUTES=$(expr `cat /proc/uptime | cut -d '.' -f1` % 31556926 % 86400 % 3600 / 60)
HOSTNAME_VAR=$(hostname)
LOCALIP=$(ip -4 -o addr show $(ip route get 8.8.8.8 | awk '/8.8.8.8/ {print $5}') |\
		egrep -o "([[:digit:]]{1,3}\.){3}[[:digit:]]{1,3}" |\
		head -n 1)
REMOTEIP=$(dig +short -4 myip.opendns.com @resolver1.opendns.com)
REMOTEIPV6=$(dig +short -6 myip.opendns.com AAAA @resolver1.opendns.com)

cat << EOF
┌─────────────────────────────────────────────────────────────────────────┐
│                                                                         │
│                                Server                                   │
│                              Information                                │
│                                                                         │
└─────────────────────────────────────────────────────────────────────────┘


          Name: $HOSTNAME_VAR
          Uptime: $UPTIME_DAYS days, $UPTIME_HOURS hours, $UPTIME_MINUTES minutes

          CPU:   `cat /proc/cpuinfo | grep 'model name' | head -1 | cut -d':' -f2`
          Memory: `free -m | head -n 2 | tail -n 1 | awk {'print $2'}`M
          Swap:   `free -m | tail -n 1 | awk {'print $2'}`M
          Disk:   `df -h / | awk '{ a = $2 } END { print a }'`
          Distro: `lsb_release -s -d` with `uname -r`

          CPU Load:    `cat /proc/loadavg | awk '{print $1 ", " $2 ", " $3}'`
          Free Memory: `free -m | head -n 2 | tail -n 1 | awk {'print $4'}`M
          Free Swap:   `free -m | tail -n 1 | awk {'print $4'}`M
          Free Disk:   `df -h / | awk '{ a = $2 } END { print a }'`

          Local Address:       $LOCALIP
          Public IPv4 Address: $REMOTEIP


EOF