Ósme_21
0 21 schede michalesq
Domanda  |
Risposta |
|||
|---|---|---|---|---|
|
What manages services in RHEL 7?
|
systemd
|
|||
|
Can systemd start multiple services in the same time?
|
yes
|
|||
|
List available targets in the system
|
systemctl list-units --type=target
|
|||
|
List available unit types
|
systemctl -t help
|
|||
|
Unique configuration files are located in?
|
/etc/systemd/system
|
|||
|
Display current target
|
systemctl get-default
|
|||
|
What are the targets in RHEL?
|
multi-user. target, graphical. target, emergency. target, rescue. target
|
|||
|
Display dependencies for multi-user. targer
|
systemctl list-dependencies multi-user. target
|
|||
|
How to change target to different target?
|
systemctl isolate multi-user. target
|
|||
|
How to set default target?
|
systemctl set-default
|
|||
|
Where are all unit configuration files?
|
/usr/lib/system
|
|||
|
Where are all unit configuration files for downloaded and installed programs?
|
/etc/systemd/system
|
|||
|
How to boot a system into different target?
|
Interrupt booting with e, go to linux16, add systemd. unit=emergency. target at the end, ctrl+x
|
|||
|
How to list all jobs working in the background?
|
root#jobs
|
|||
|
How to stop program with id 1
|
kill -SIGSTOP %1
|
|||
|
How to resume previously stopped program?
|
kill -sigcont %1
|
|||
|
What is the most prioritized level?
|
-20
|
|||
|
What is the least priorizted level?
|
19
|
|||
|
How to create 1G file with dd command?
|
dd if=/dev/zero/ of=/root/test. file bs=1M count=1024
|
|||
|
How to check runing services and their nice level?
|
ps axo pid, comm, nice | grep <nazwa serwisu>
|
|||
|
How to start httpd service with priority 0, previously must be stopped
|
nice -n 0 httpd
|
|||
