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RHCSA 9 commands Questions & Answers
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  • Course
  • RHCSA 9
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  • RHCSA 9

Get default run level - ANSWERSsystemctl get-default Change default run level - ANSWERSsystemctl set-default t Change run level immediately - ANSWERSsystemctl isolate t - ANSWERS Fix SELinux security contexts at boot - ANSWERSfixfiles onboot or touch /.autorelabel Get process's sche...

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Document information

  • October 1, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • rhcsa 9 commands stuvia
  • rhcsa 9 commands questions answers
  • get default run level answerssystemctl get defau
  • change default run level answerssystemctl set de

Written for

  • RHCSA 9
  • RHCSA 9

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RHCSA 9 commands Questions &
Answers
Get default run level - ANSWERSsystemctl get-default

Change default run level - ANSWERSsystemctl set-default multi-user.target

Change run level immediately - ANSWERSsystemctl isolate graphical.target

- ANSWERS

Fix SELinux security contexts at boot - ANSWERSfixfiles onboot or touch /.autorelabel

Get process's scheduling priority and policy - ANSWERSchrt -p <pid>

Change process's scheduling priority - ANSWERSchrt -p <priority> <pid>

Change process's scheduling policy to fifo - ANSWERSchrt -f <pid> -p <priority> pid

Get tuned active profile - ANSWERStuned-adm active

Change tuned active profile - ANSWERStuned-adm profile desktop

Make journald logs persistent - ANSWERSmkdir /var/log/journal
echo 'Storage=persistent' > /etc/systemd/journal.conf
journalctl --flush

Get block device ID - ANSWERSblkid <device>

NFS exports file - ANSWERS$ cat /etc/exports
/export host(rw,no_root_squash)
$ exportfs -a

AutoFS mount point - ANSWERS$ cat /etc/auto.master
/home2 /etc/auto.misc
$ cat /etc/auto.misc
* host:/nfs-export/&

set file access control list - ANSWERSsetfacl -R -m u:davis:rwx,d:u:davis:rwx <file>

show all network connections - ANSWERSnmcli con show

edit network connection - ANSWERSnmcli con edit <connection name>

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