Oracle Linux/Quick Reference

yum

update repo cache (agt-get update equivalent)

~$ yum check-update

update all packages

~$ yum update

install software

~$ yum install lynx

search for software

~$ yum search apache

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