Exam (elaborations)
RHCSA Exam Prep | Questions with 100% Correct Answers |Verified Latest Update
- Course
- Institution
RHCSA Exam Prep | Questions with 100% Correct Answers |Verified Latest Update
[Show more]
Content preview
RHCSA Exam Prep | Questions with 100%Correct Answers |Verified Latest Update
shutdown +5 shutdown messages goes here - ✔✔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 - ✔✔Using the shutdown command, reboot the machine immediately
without delay.
systemctl halt - ✔✔Using systemctl, shutdown the system.
shutdown 01:00 - ✔✔Schedule the system for a shutdown at 1:00 A.M. in the morning.
shutdown -c - ✔✔Cancel the scheduled shutdown.
systemctl reboot - ✔✔Using systemctl, reboot the the system.
systemctl halt
systemctl poweroff
shutdown -P
init 0 - ✔✔Using any method of your choice, power off the system.
pkill -t pts/0 - ✔✔kill all of the "user" user's processes
pgrep -u user
pkill -u user ssh - ✔✔Find all running processes left, which should either be Bash or SSH and
kill it
, nice -n -20 httpd - ✔✔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 - ✔✔View the current nice of the httpd
service using the ps command and grep command together.
renice -n 0 $(pgrep httpd) - ✔✔Renice all httpd processes and set the nice level to 0
uptime - ✔✔View the system uptime and load average.
w - ✔✔View the system uptime and load average in such a way that it also shows what users
are logged in to the system and what the user is doing.
grep "model name" /proc/cpuinfo | wc -l - ✔✔Using the proc file system and wc, display the
number of processors your system has. This is important to calculate the load average of the
system.
grep "model name" /proc/cpuinfo | wc -l
uptime
Per CPU load average calculation formula: load average / # of cpu
Per CPU load average calculation 1 Minute load average: 1. = 52%
Per CPU load average calculation 5 Minute load average: . = 36%
Per CPU load average calculation 15 Minute load average: . = 17.5% - ✔✔Calculate the
1, 5, and 15 minute CPU load averages for the system.
Press "Shift" + "M" - ✔✔top - Sort all processes by memory percentage.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Examsplug. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
82871 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now