Schedule Future Tasks

Question 1

Show a conf file of a systemctl service or time

Answer 1

systemctl cat sysstat-collect.timer

Question 2

Enable a service through a timer

Answer 2

systemctl daemon-reload
systemctl enable –now touchfile.timer

OR

systemctl start touchfile.timer

Question 3

Check if a timer is enabled

Answer 3

systemctl status touchfile.timer

Question 4

Schedule a job with at 5 mins from now

Answer 4

at now +5min < command/script

Question 5

Show pending at jobs

Answer 5

atq

Question 6

Inspect command of an at job

Answer 6

at -c JOBNUMBER

Question 7

Assign a queue to a at job

Answer 7

at -q g 5pm

Question 8

List cronjobs for current user

Answer 8

crontab -l

Question 9

Remove all jobs for current user

Answer 9

crontab -r

Question 10

Edit (add) jobs for the current user

Answer 10

crontab -e

Question 11

Where is anacron located

Answer 11

/etc/anacrontab

Question 12

Where are daily, weekly and monthly anacron jobs located

Answer 12

/var/spool/anacron

Question 13

rpm provided tmpfiles.d location

Answer 13

/usr/lib/tmpfiles.d/

Question 14

where to place your own config file for systemd-tmpfiles

Answer 14

/etc/tmpfiles.d/

Question 15

system created config files for tmpfiles.d

Answer 15

/run/tmpfiles.d/

Question 16

Check syntax of a tmpfiles.d config file

Answer 16

systemd-tmpfiles –clean /etc/tmpfiles.d/myconfig.conf

Question 17

Execute the command in a tmfiles.d config file manually

Answer 17

systemd-tmpfiles –create /etc/tmpfiles.d/myfiles.conf

Question 18

Clean up the files manually in a tmpfiles.d config file

Answer 18

systemd-tmpfiles –clean /etc/tmpfiles.d/myfiles.conf

Question 19

Check systemctl for specific timers

Answer 19

systemctl list-unit-files -t timer