Oracle Linux/Quick Reference
From r00tedvw.com wiki
yum
update repo cache (agt-get update equivalent)
~$ yum check-update
update all packages
~$ yum update
install software
~$ yum install lynx
remove software
~$ yum remove lynx
Add user & add to sudoers
add user
~$ useradd user
set password for user
~$ passwd user
add to sudoers
~$visudo ... user ALL=(ALL) ALL