jthiatt
Flight Engineer Flight Engineer
Flight Engineer
  • 4,297 Views

What did you learn today?

The Red Hat Learning Subscription is such a great tool, I have learned so much this past year by having it.

 Even though I have used a lot of the Red Hat products at work , going through the courses on the RHLS has made more proficient at using them.

For example,  I've been using Ansible for a while now, and I am terrible about remembering all the options for each module.  I would always go Google'ing for them.  After spending a few days studying for the 407 exam I learned that you just have run ansible-doc <module-name> and it will give a "man page" of that module.  I wish I knew when I first starting using Ansible. =)

 

So, what did you learn today?

 

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34 Replies
RedHatBlackMask
Mission Specialist
Mission Specialist
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I learned that the command: cd .  will put you right back into the the previous directory or file you were just working in :-) pretty neat

~Mind Elevation~
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Marek_Czernek
Flight Engineer Flight Engineer
Flight Engineer
  • 1,099 Views

I think you mean cd -, right? :)

 

In a similar manner, git checkout - will switch your branch to the previous one. Very useful.

Razique
Flight Engineer Flight Engineer
Flight Engineer
  • 1,073 Views

That cd - trick is pretty neat. Thanks for sharing @RedHatBlackMask 

varelov
Flight Engineer Flight Engineer
Flight Engineer
  • 524 Views

Today I re-learned the procedure to enable remote desktop session without having to deal with vnc-server and its config nuances. Basically, add the appropriate port on the firewall's list of good ports for the currently active zone, enable Screen Sharing by setting up a simple password for it and activating whatever network is marked available in the options box (doesn't matter if only wifi is available and all you wanted was connections over your Ethernet LAN, just put the slider to ON) and disable encrypted remote sessions (so your non- Linux clients can have remote desktop sessions on your RHEL server).

Cockpit got new links for controlling virtual machines and containers, which is a welcomed improvement!

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varelov
Flight Engineer Flight Engineer
Flight Engineer
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Today I learned that you could write your own virtualization client in Swift on a Mac with Apple Silicon. Maybe I'll figure out how to extract a kernel and a RAM disk image out of an ISO (as the procedure requires) and virtualize RHEL 8 on my new Mac.

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