Red Hat Enterprise Linux

Prompt

$ means that you are logged in as normal user # means that you are logged in as root user

CTRL + L Clear Screen CTRL + V Logout/Exit

ssh <username>@<remote-server>

command <option>

option type short e.g., ls -a long e.g., ls –all

RHEL Docker Config

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux_atomic_host/7/html-single/getting_started_with_containers/index#getting_docker_in_rhel_7

https://access.redhat.com/solutions/253273

Red Hat Subscription Manager Firewall and Proxy

https://access.redhat.com/solutions/65300

Add user and set password

[root@109c05bcda00 /]# useradd kiran
[root@109c05bcda00 /]# passwd kiran
Changing password for user kiran.
New password:
Changing password for user kiran.
New password:
Retype new password:

Switch user: su - <username>

Install Packages

-y is yes for all

Network related tools yum install -y ip-utils

yum install -y network-tools

For service command yum install -y initscripts