Questions and Answers : Unix/Linux : Is virtualbox needed for Linux and LHC?
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Mr P Hucker
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Message 48367 - Posted: 8 Aug 2023, 2:59:01 UTC

I just tried putting LHC onto a Linux machine without VB installed, and it's not working, I assumed LHC didn't use VB if in Linux already? Am I wrong? They're coming up as "native theory", so I thought they were plain Linux programs.
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Message 48419 - Posted: 10 Aug 2023, 22:14:32 UTC

You must install the other programs needed to run the tasks that are included in the VBox image to run them as native tasks. CVMFS and Singularity but dont follow the hilariously complex instructions to download/compile. Just use a repository for them then do the few commands to configure.
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Message 48420 - Posted: 10 Aug 2023, 23:12:36 UTC - in response to Message 48419.  
Last modified: 10 Aug 2023, 23:14:16 UTC

You must install the other programs needed to run the tasks that are included in the VBox image to run them as native tasks. CVMFS and Singularity but dont follow the hilariously complex instructions to download/compile. Just use a repository for them then do the few commands to configure.
I couldn't find any simple instructions. Do you have easier ones? I did find the repository downloads, then got stuck trying to change configuration files. It didn't do what it said it would.

I was only trying it in the hope it would stop it downloading huge data sets for every single task running (24 cores means a lot of downloads). If it's not going to help that I won't bother.

I've tried squid, it worked for a while now won't play ball.
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Message 48425 - Posted: 11 Aug 2023, 18:00:29 UTC

https://lhcathome.cern.ch/lhcathome/forum_thread.php?id=4840#36880

That has the instructions for setting up the native apps.

Squid is something else.
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Message 48427 - Posted: 12 Aug 2023, 4:06:58 UTC - in response to Message 48425.  

https://lhcathome.cern.ch/lhcathome/forum_thread.php?id=4840#36880

That has the instructions for setting up the native apps.

Squid is something else.
Looks far too complicated for me.
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Message 48440 - Posted: 14 Aug 2023, 1:44:20 UTC
Last modified: 14 Aug 2023, 1:44:42 UTC

You can't cd, make a new folder, paste some text into a new file and run a setup command? All just copy/paste.
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Message 48441 - Posted: 14 Aug 2023, 3:14:06 UTC - in response to Message 48440.  

You can't cd, make a new folder, paste some text into a new file and run a setup command? All just copy/paste.
Even installing CVMFS is way more complicated than that. I had to install things, then change files which didn't exist, then it simply didn't work.

Now in Windows, to install a program you double click an icon. Why is Linux still stuck in the early 90s typing commands?

Even Linux's dialog boxes don't make sense. I was editing a config file, and it was changed by the app while I was doing it. I was told this had happened, very good. But then it said "do you want to revert the file". Er... what does that mean? Revert to what? The options should have been - no changes, my changes, app's changes.
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Questions and Answers : Unix/Linux : Is virtualbox needed for Linux and LHC?


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