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World Community Grid Forums
Category: Support
Forum: BOINC Agent Support
Thread: A word of warning for Linux Crunchers |
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Thread Status: Active Total posts in this thread: 9
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
Two in fact, for the moment:
----------------------------------------1. When rebuilding the grub file after one of the very many updates that seem to come through and instructing to boot, it will take forever when BOINC is running, days, weeks. This process seems to wait on true full idle state of the CPU, changing priority not having any effect! 2. There is no snooze function in the Linux BOINC version to speed things up (though I read of a boinccmd trick to temporarily pause BOINC, which I promise to dig out and published in the Start Here FAQ's). Till then suspending BOINC usually has point 1 complete in a rather short period. After, don't forget to set the Run Based on Preferences or Run Always again (before or after boot). And then, booting is good, even for Linux (so I learned even from the WCG Linux servers admin who wrote "It's not supposed to do that"). Choose the moment carefully when crunching CEP2 to see that last checkpoint(s) was/were not hours ago. On duos and quad this can be a costly restart experience in lost progress. Set the <checkpoint_debug> flag (see those FAQ's on how to) and you can very easily follow them in the client message log, or from a remote Windows system that has BOINCTasks manager installed... now version 0.75) happy crunching on.
WCG
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kateiacy
Veteran Cruncher USA Joined: Jan 23, 2010 Post Count: 1027 Status: Offline Project Badges: 
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Thanks for always passing on useful information and tips, Sekerob!
----------------------------------------It's funny, last night I downloaded the new Ubuntu updates on my machine that runs CEP2, and since then have been checking task properties occasionally to try to find a good time to reboot without losing too much. I'd just done that when I read your message recommending exactly that. CEP2 is not a low-maintenance project to run! But it is a privilege to participate in that science.  |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Thank you. I also noticed the updates screwed up the default boot partition I set up with startupmanager. On my dual boot machines I had them set to default boot to XP and after the updates all defaulted to memtest86 for some reason.
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nanoprobe
Master Cruncher Classified Joined: Aug 29, 2008 Post Count: 2998 Status: Offline Project Badges: 
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I asked a while back if there was a way to run BOINCTasks in Linux where the host machine is Windows and never got any answers. Is there a section in the FAQs that explains how to do this? I searched but never found anything.
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In 1969 I took an oath to defend and protect the U S Constitution against all enemies, both foreign and Domestic. There was no expiration date.
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
I asked a while back if there was a way to run BOINCTasks in Linux where the host machine is Windows and never got any answers. Is there a section in the FAQs that explains how to do this? I searched but never found anything. Dual boot with Ubuntu is pretty easy. If you're talking about like running BOINC on a Linux virtual machine running on a Windows box...that's out of my league. |
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nanoprobe
Master Cruncher Classified Joined: Aug 29, 2008 Post Count: 2998 Status: Offline Project Badges:
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Not talking about dual boot or VM. Talking about being able to use BOINCTasks on my host Windows box downstairs to see how things are going on my Linux crunchers upstairs without having to go upstairs.
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In 1969 I took an oath to defend and protect the U S Constitution against all enemies, both foreign and Domestic. There was no expiration date.
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
Not supporting BOINCTasks, it's 3rd party and no, we have no Virtual Machine like FAQ's. That knowledge is either shared by active members or has to be found elsewhere on the intertube. I suppose you could run Linux in a VM or in reverse rune WINE ** inside Linux, then couple BOINCtasks back via the LAN IP rather than localhost. I've done that in past with BOINC Manager just for the heck to find out if that worked i.e. connect for instance to Host-VM1 on IP 192.168.100.10 with port 31416 open over the LAN.
----------------------------------------** One day I will play with this. It reads as *relatively* easy to implement these days, but exposure will have to tell.
WCG
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
Not talking about dual boot or VM. Talking about being able to use BOINCTasks on my host Windows box downstairs to see how things are going on my Linux crunchers upstairs without having to go upstairs. Connecting with BOINCTasks to a Linux box over LAN is no different than connecting to a Windows box... same same as with BOINC Manager. BOINCTasks can even search an IP range to check if there is a running client on any of those. Remote GUI RPC must be allowed of course, and the passwords unified for all devices in the LAN and a remote_hosts.cfg to list from where connection is allowed. The instructions are in several FAQ's and or Wiki's.
WCG
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nanoprobe
Master Cruncher Classified Joined: Aug 29, 2008 Post Count: 2998 Status: Offline Project Badges:
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I figured it would be the same as on Windows. My problem is getting the right commands in a terminal window to access the boinc data directory. I'm using dotsch/ux Linux based on Ubuntu. (version 8.04 I believe) I know very littel about using the terminal commands so I'll have to search some more. Thanks
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In 1969 I took an oath to defend and protect the U S Constitution against all enemies, both foreign and Domestic. There was no expiration date.
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