Dwunaste_21
0 21 fiche michalesq
questão  |
resposta |
|||
|---|---|---|---|---|
|
Two services performing jobs automatically in the system?
|
at / cron
|
|||
|
How to start at service?
|
systemctl start atd
|
|||
|
How to list all at jobs?
|
atq
|
|||
|
How to schedule a job with at?
|
at 12:00am / 12:00pm / +5 minutes / +5 hours / +5 days ... etc + enter // then command
|
|||
|
How to put your own logs into the system?
|
logger "The system current uptime is $(uptime)"
|
|||
|
Where to put users not allowed to schedule logs with at?
|
/etc/at.deny
|
|||
|
Where to put users allowed to schedule logs with at?
|
/etc/at.allow
|
|||
|
Where to put users not allowed to schedule logs with cron?
|
/etc/cron.deny
|
|||
|
Where to put users allowed to schedule logs with cron?
|
/etc/cron.allow
|
|||
|
How to schedule a task with cron?
|
create a file in /etc/cron. d and put following * * * * * user-name command to be executed
|
|||
|
How to schedule a task to perform something daily at 9
|
0 9 * * * root /root/del_old_rec/del_old_rec. sh
|
|||
|
How to schedule a task which will perform something every 5 minutes?
|
*/5 * * * * root /root/del_old_rec/del_old_rec. sh
|
|||
|
How to schedule a task which will perform something between 4th and 14th day every 5 minutes?
|
*/5 4-14 * * * root /root/del_old_rec/del_old_rec. sh
|
|||
|
Command shows config files of installed application
|
rpm -qc <application>
|
|||
|
Command to run all tasks in anacron
|
anacron -n
|
|||
|
What is anacron for?
|
Anacron checks after PC launched if scripts included in /etc/anacron were performed on planned dates. If not, it performs it
|
|||
|
How to schedule anacron jobs?
|
period delay job-identifier command // 7 15 test. daily /root/run. sh ---executes script once per 7 days, 15 mintues after system comes back
|
|||
|
Where are symlinks for multi-user. target?
|
/etc/systemd/system/multi-user.target.wants
|
|||
|
Where is kickstart script?
|
vi /root/anakonda.ks. cfg
|
|||
|
How to install kickstart?
|
yum install system-config-kickstart
|
|||
|
What server do you need to serve kickstart file to the client?
|
PXE
|
|||
