RHCSA-Objective05-07: Configure Network Services to Start Automatically at Boot

Check if Service is Enabled to Start Automatically at Boot # the RHEL7 way systemctl is-enabled sshd # the old RHEL way that still works as of 7.6 chkconfig sshd To Enable Service to Start Automatically at Boot # the RHEL7 way systemctl enable sshd # the old RHEL way that still works as of […]

RHCSA-Objective01-01: Access a Shell Prompt and Issue Commands with Correct Syntax

Access Shell Prompt To access terminal: – right click desktop or access via app menu To Access Another Virtual Terminal Ctrl + Alt + < F1 – F6> Virtual terminals can be configured in /etc/systemd/logind.conf and /etc/securetty nix-Shell-fu | shell tips: up or down arrow – browse history of commands starting with the most recent […]

RHCSA-Objective01-04: Access Remote Systems Using SSH

This section covers ssh and its use of logging into remote systems over an encrypted channel to execute commands. It can also be used for tunneling -L and X11 forwarding -X Basic SSH Connection ssh <user>@<hostname|ip> Connect Using a Non Standard Port ssh -p <port#> <user>@<hostname|ip> To Run X Programs From Server on Client ssh […]