Message boards : Number crunching : VirtualBox needed?
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Crystal Pellet
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Message 42061 - Posted: 6 Apr 2020, 14:44:30 UTC - in response to Message 42060.  

I am aware they return nothing bu errors. Have asked what the problem is but no one replied.
When you have VBox installed, deselect 'Run native if available' in your preferences.
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David E. Merchant

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Message 42064 - Posted: 6 Apr 2020, 15:22:45 UTC

I set all preference boxes to what seemed the most liberal. Now you're saying the user interface requires me to NO allow different kinds of tasks in order to get available tasks? What's wrong with this picture?
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Crystal Pellet
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Message 42067 - Posted: 6 Apr 2020, 19:53:51 UTC - in response to Message 42064.  

'native' means that you prefer to get 'native'-tasks and no VBox-tasks.
Since your native ones all error out, do the opposite, when you have VBox installed.
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Message 42069 - Posted: 6 Apr 2020, 20:11:17 UTC - in response to Message 42067.  

Dang. That is illogical. If that's how the UI guys interpret this, then there needs to be TWO flags for this: 1 for allow native, and a second for allow vbox work. And just why are those two types of tasks separate anyway? No one needs to fool with all those flags. Have the executable work on all, regardless.
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ProDigit

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Message 42079 - Posted: 7 Apr 2020, 4:38:48 UTC

Hi!
I got the same message:
"LHC@home: Notice from server
VirtualBox is not installed"

I run Linux natively. I suppose I don't need VB. Ubuntu 18.04/18.10/20.04 64 bit, with 64/128GB SSD, and 16/32GB of RAM (multi system).
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Message 46156 - Posted: 3 Feb 2022, 8:18:32 UTC

Hi all,
I am running two Linux boxes (Gentoo) and since recent they seemed fairly happy to pull native tasks. Lately I get the message in the log that VirtualBox would not be installled (LHC and Rosetta by the way)
I installed VirtualBox, VBoxManager starts up fine, boinc user added to the vboxusers group. Alas, I still get that error message.
How does BOINC decide if it thinkx vbox is there or not? Where can I find more detailed logs to check and troubleshoot that?

Any help much appreciated.

Thanks,
Oliver
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computezrmle
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Message 46157 - Posted: 3 Feb 2022, 8:53:17 UTC - in response to Message 46156.  

I am running two Linux boxes ... they seemed fairly happy to pull native tasks

Both download native tasks but the tasks fail since you didn't install (and configure) a local CVMFS client.
This is a typical snippet from one of your ATLAS logs:
[2022-02-02 11:37:21] Checking for CVMFS
[2022-02-02 11:37:21] No cvmfs_config command found, will try listing directly
[2022-02-02 11:37:21] ls: cannot access '/cvmfs/atlas.cern.ch/repo/sw': No such file or directory
[2022-02-02 11:37:21] Failed to list /cvmfs/atlas.cern.ch/repo/sw
[2022-02-02 11:37:21] ** It looks like CVMFS is not installed on this host.
[2022-02-02 11:37:21] ** CVMFS is required to run ATLAS native tasks and can be installed following https://cvmfs.readthedocs.io/en/stable/cpt-quickstart.html
[2022-02-02 11:37:21] ** and setting 'CVMFS_REPOSITORIES=atlas.cern.ch,atlas-condb.cern.ch' in /etc/cvmfs/default.local


Beside the links from your log you may also read this threads:
https://lhcathome.cern.ch/lhcathome/forum_thread.php?id=4840
https://lhcathome.cern.ch/lhcathome/forum_thread.php?id=5594
https://lhcathome.cern.ch/lhcathome/forum_thread.php?id=5595


Regarding VirtualBox you may check Yeti's checklist:
https://lhcathome.cern.ch/lhcathome/forum_thread.php?id=4161&postid=29359
Do you find <p_vm_extensions_disabled>1</p_vm_extensions_disabled> in your client_state.xml?
If yes, this must be changed to <p_vm_extensions_disabled>0</p_vm_extensions_disabled>


Your computer list shows a total of 100 cores.
That's much more than just a handful.
Hence, it's highly recommended that you run a local HTTP proxy, e.g. Squid.
See:
https://lhcathome.cern.ch/lhcathome/forum_thread.php?id=5473
https://lhcathome.cern.ch/lhcathome/forum_thread.php?id=5595
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Message 48085 - Posted: 12 May 2023, 9:11:28 UTC - in response to Message 28018.  

thanksd
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Message boards : Number crunching : VirtualBox needed?


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