RHEL 7 – RHCSA Notes (Cheat Sheets) – Linux can run tasks automatically, and comes with automated tasks utilities: cron, anacron, at, batch. – cron jobs can run as often as every minute. – A scheduled cron job is skipped if the system is down. – anacron can run a job only once a day. […]
RHCSA notes
RHEL 7 – RHCSA Notes : Start, stop, and check the status of network services.
RHEL 7 – RHCSA Notes (Cheat Sheets) systemd service units – Previous versions of Oracle Linux use scripts in the /etc/rc.d/init.d directory to control services. – In Oracle Linux 7, these scripts have been replaced by systemd service units. – Use the systemctl command to list information about service units. To list all loaded service […]
RHEL 7 – RHCSA Notes – vi/vim editor
RHEL 7 – RHCSA Notes (Cheat Sheets) The vim editor Inserting text Command Action i Insert text before current cursor position a Append text after current cursor position A Append text at the end of the current line o Open new line below the current line O Open new line above the current line Navigating […]