Linux Commands

Ubuntu

apt-get install
apt-get update
apt-get upgrade

sudo -s




CentOS

yum install
yum upgrade

snmptrap -v 1 -c public 10.10.10.60 '1.2.3.4.5.6' '192.193.194.195' 6 99 '55' 1.11.12.13.14.15  s "teststring" used for testing snmptt installs


/etc/sysconfig/network-scripts home of the ifcfg-eth0


dig www.google.com   dns info command