linux_wellcome.sh

#!/bin/bash
#Server OS info
OS_version=''
if  grep -q 'release 6' /etc/redhat-release ; then
	OS_version='CentOS6'
else 
	OS_version='CentOS7'
fi

echo -e "#################################Server INFO#################################################"
hostname=`hostname`
echo -e "HostName     =  $hostname"

osinfo=`cat /etc/redhat-release`
echo -e "OS info      =  $osinfo"

kernelinfo=`uname -r`
echo -e "LinuxKernel  =  $kernelinfo"

kernelmac=`uname -m`
echo -e "HW Machine   =  $kernelmac"

CPU=`cat /proc/cpuinfo | grep "model name" | head -n 1 | awk -F ":" "{print $2}"`
echo -e "CPU info     =  $CPU"

if [ ${OS_version} == 'CentOS6' ];then
	network=`ifconfig -a  | awk 'BEGIN {FS="\n"; RS=""} {print $1,$2}' | grep -v 'lo' |  awk '{print "\t\t"$1,$7}'`
else
	network=`ifconfig -a  | awk 'BEGIN {FS="\n"; RS=""} {print $1,$2}' | grep -v 'lo' |  awk '{print "\t\t"$1,$6}'`
fi

echo -e "NetWork info = \n$network"

externalip=$(timeout 3 curl -s ipecho.net/plain;echo)
[ $? -ne 0 -o 'X' == "$externalip"X ] && externalip='No outside network or ACL drop'
echo -e "External IP  =  $externalip"


echo -e "---------------------------------------------------------------------------------------------"

Username=`whoami`
echo -e "UserName    =  $Username"

echo -e "UserHomeDir =  $HOME"

echo -e "---------------------------------------------------------------------------------------------"