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Igris
Mission Specialist
Mission Specialist
  • 10.2K Views

How do you remember commands ?

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So while preparing for RHCSA configuring stratis you need the following in /etc/fsbab

x-systemd.requires=stratisd.service
 
yet if you do a man on stratisd you wont get that option. On the exam you dont have internet accees so if you forget it how would you proceed ? 
 
Just forfeit the task and get 0 points for it ? 
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19 Replies
TCarrigan
Flight Engineer
Flight Engineer
  • 4,932 Views

Hi All, I personally find this conversation intriguing. Would anyone be willing to write up a short article on this topic? If anyone is interested, feel free to email me directly at enable-sysadmin@redhat.com We'd love to get this type of information out to our audience!

@Tracy_BakerI thought your answer was particularly helpful/pragmatic!

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Armann
Flight Engineer
Flight Engineer
  • 1,421 Views

Hi.

I'm studying for the RHCSA, taking it in a month.

How do you remember how to setup the BaseOS and AppStream repo's?

Any man/apropos tricks you can give me?

On my minimal installations when I man/apropos for anything related to repo's I don't find anything.

I know repetition is key, I have done this multiple times but I'm just wondering if there is something I can do if I freeze during the exam and brain fog sets in.

Thanks.

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Armann
Flight Engineer
Flight Engineer
  • 1,418 Views

Nevermind, I figured it out. I will just use the media.repo file to remind me. If you are wondering where the media.repo file is, you see it when you mount the ISO file.

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isudoajl
Mission Specialist
Mission Specialist
  • 2,251 Views

I have an urgent question, tomorrow I present my exam and I thought it was something typical in the VM's of the RED HAT labs, but I just installed RHEL 8.2 as Guest OS in my own HOST out of curiosity to try the command [ man -k any_word_here ] and I I am realizing that the same thing happens, the output it gives me is: nothing appropriate.

Without being able to use this command I am dead! Do I need to enable something?

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AbhishekGalav
Mission Specialist
Mission Specialist
  • 2,250 Views
the -k option relies on man database,
Run mandb command as root user to generate the database and then try man -k <keyword>, it should work
RHCA II
isudoajl
Mission Specialist
Mission Specialist
  • 2,246 Views

Really thank you! Its work!

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Armann
Flight Engineer
Flight Engineer
  • 1,417 Views

I would also recommend using the capital -K since it searches for the text in all pages.

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DM3
Cadet
Cadet
  • 1,997 Views

do "man vdo"

search for fstab

Use the "defaults,x-systemd.requires=vdo.service" and replace "vdo" with "stratisd"

Armann
Flight Engineer
Flight Engineer
  • 1,990 Views

Thanks for all the answers, really helpful as I prepare for the RHCSA.

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enriqueB
Cadet
Cadet
  • 1,463 Views

On rhel9, I was never able to get a result when searching with man -k (even after running mandb and having vdo installed).  However, based on a search in /usr/share, i found

/usr/share/doc/systemd/NEWS

* New /etc/fstab options x-systemd.requires= and
x-systemd.requires-mounts-for= are now supported to express
additional dependencies for mounts. This is useful for
journaling file systems that support external journal
devices or overlay file systems that require underlying file
systems to be mounted.

Hopetully that will be enough to come up with the correct syntax.

I have no clue how to access that NEWS page using man, but you can just less the file and browse away.

 

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