RHCSA - part 1 Study Guide with Complete Solutions | All Verified

RHCSA - part 1 Study Guide with Complete Solutions | All Verified Line at the beginning of bash files - Answer️️ -#!/bin/bash Character to search at the beginning of the line - Answer️️ -^ Character to search at the end of the line - Answer️️ -$ Character to match any single character (with the exception of the newline character) - Answer️️ -. Character to match zero or more of the previous expression - Answer️️ -* Character to match the previous expression one of more times - Answer️️ -+ The flag in the grep command that ignores commented lines - Answer️️ -- v What does this regular expression search? c.{2}t - Answer️️ -any word beginning with a c, followed by exactly any two characters, and ending with a t (i.e coat, cart) Command to get an overview of pending jobs for the current user - Answer️️ -atq ©SOPHIABENNET@2024/2025 Tuesday, August 20, 2024 10:21 AM 2 (OR at -l) Command to remove jobs - Answer️️ -atrm JOBNUMBER Command to inspect commands that will run when a job is executed - Answer️️ -at -c JOBNUMBER Command used to manage jobs - Answer️️ -crontab Command to list the jobs for the current user - Answer️️ -crontab -l Command to remove all jobs for the current user - Answer️️ -crontab -r Command to edit jobs for the current user - Answer️️ -crontab -e Command to remove all jobs, and replace with the jobs read from filename. (If no file is specified, stdin is used.) - Answer️️ -crontab FILENAME Order of fields in crontab file - Answer️️ -minutes (0-59), hours (0-23), day of month (1-31), month (1-12), day of week (0-6), command Character to specify "Do not care"/always in crontab file - Answer️️ -* How to indicate an interval of x in the crontab file - Answer️️ -*/x (i.e */7 in the minutes column will run every 7 minutes) What two locations are recurring system jobs defined? - Answer️️ - /etc/crontab /etc/cron.d ©SOPHIABENNET@2024/2025 Tuesday, August 20, 2024 10:21 AM 3 What file ensures important jobs always run and are not skipped accidentally because a system was turned off? - Answer️️ -/etc/anacron Command to print systemd timer unit configuration files - Answer️️ - Command to purge temporary files (rules for which files are removed are laid out in multiple config files) - Answer️️ -systemd-tmpfiles --clean Command to install tuned package AND Command to enable and start it - Answer️️ -yum install tuned systemctl enable --now tuned Command used to change settings of the tuned daemon - Answer️️ - tuned-adm Command to list all available tuning profiles - Answer️️ -tuned-adm list Command to switch the active profile to a different one - Answer