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RHCSA Study Guide – Complete With Solutions (100%)
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RHCSA Study Guide – Complete With Solutions (100%)
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RHCSA Study Guide – Complete With Solutions (100%)Systemctl list-units --type=target Right Ans - View all active targets on the
system.
Systemctl list-units --type=target --all Right Ans - View all targets installed
on the disk.
Systemctl get-default Right Ans - Display the current default target.
Systemctl list-units --type=target | grep multi-user.target Right Ans - check
if multi-user target is available
Systemctl set-default multi-user.target Right Ans - Change the default
target to the multi-user target
Systemctl -t help Right Ans - View all available systemd configuration units.
Systemctl status sshd.service Right Ans - Find the status of the sshd service.
Systemctl list-units --type=service Right Ans - List all active service unit
configuration files.
Systemctl is-active httpd Right Ans - Determine if the httpd service is
active.
Systemctl is-enabled httpd Right Ans - Determine if the httpd service is
enabled
Systemctl list-unit-files --type=service --all Right Ans - View enabled and
disabled settings for all units of the type "service"
Systemctl list-units --type=service --all Right Ans - List all service unit
configuration files, whether they are active or not
Systemd.unit=rescue.target Right Ans - Change the Boot Target
, Shutdown +5 shutdown messages goes here Right Ans - Using the
shutdown command, schedule a shutdown for five minutes from now and
notify all users on the system of the shutdown
Shutdown -r now Right Ans - Using the shutdown command, reboot the
machine immediately without delay.
Systemctl halt Right Ans - Using systemctl, shutdown the system.
Shutdown 01:00 Right Ans - Schedule the system for a shutdown at 1:00
A.M. in the morning.
Shutdown -c Right Ans - Cancel the scheduled shutdown.
Systemctl reboot Right Ans - Using systemctl, reboot the the system.
Systemctl halt
Systemctl poweroff
Shutdown -P
init 0 Right Ans - Using any method of your choice, power off the system.
pkill -t pts/0 Right Ans - kill all of the "user" user's processes
pgrep -u user
pkill -u user ssh Right Ans - Find all running processes left, which should
either be Bash or SSH and kill it
nice -n -20 httpd Right Ans - Start the httpd service with the most favorable
nice possible.
ps axo pid,comm,nice | grep httpd
ps axo pid,comm,nice --sort=-nice | grep httpd Right Ans - View the current
nice of the httpd service using the ps command and grep command together.
renice -n 0 $(pgrep httpd) Right Ans - Renice all httpd processes and set
the nice level to 0
uptime Right Ans - View the system uptime and load average.
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