Message boards : Questions and problems : Older Boinc version to Ubuntu 20.04.2 LTS
Message board moderation
Author | Message |
---|---|
Send message Joined: 1 Oct 12 Posts: 90 ![]() |
Does anyone know how to run older, NO-prefetch boinc-client in 20.04.2 LTS Ubuntu. When running PrimeGrid it is very important to be first one to return tasks, then you are credited finding prime. Current repository has 7.16.6 version and that version has task prefetch, so when running tasks which run like 32 sec (in my GTX1650Super GPU, way faster in RTX-series) there is always 5 to 6 tasks Waiting to run, so 3 minutes waiting before they are reported, and that is much when trying to be 1st one. Problem I have encountered is that older, like 7.4.21 (is that even pre-prefetch?) doesn't run because error while loading shared libraries: libpng12.so.0: cannot open shared object file: No such file or directory What I do is know that version of libpng is no longer available in Ubuntu 20... Does anyone know how to get older version working? Actually get older version of libpng so older versions can run... Cache is set to zero, and resource share is zero. And "Max # of simultaneous PrimeGrid task" is not answer, after limiting it to 9 I got 4 cpu task (so 4 cores are idle) and 4 GPU tasks are waiting to run... |
Send message Joined: 5 Oct 06 Posts: 5111 ![]() |
You'd probably have to build your own binaries from sources, using the build tools and libraries native to your own machine. You can download that version's source code from https://github.com/BOINC/boinc/tree/client_release/7%2F7.4 |
Send message Joined: 1 Oct 12 Posts: 90 ![]() |
You'd probably have to build your own binaries from sources, using the build tools and libraries native to your own machine. That was the answer I was afraiding... I has been decades since I compiled something... Well, live and learn... again :) |
Send message Joined: 1 Oct 12 Posts: 90 ![]() |
Found another way to install older Boinc, 7.9.3 1. Edit apt sources list, commented all focal (Ubuntu 20.04.2 LTS) repositories, added bionic (Ubuntu 18.05.5) repositories. (had to comment all focal because apt always installed 7.16.6 version) nano /etc/apt/sources.list deb http://archive.ubuntu.com/ubuntu bionic main universe deb-src http://archive.ubuntu.com/ubuntu bionic main universe apt update 2. Installed 7.9.3 apt install boinc=7.9.3+dfsg-5 3. Disabled Boinc auto-update apt-mark hold boinc 4. Edited apt sources list, reversed edited lines to orignal, updated apt nano /etc/apt/sources.list apt update |
Send message Joined: 1 Oct 12 Posts: 90 ![]() |
3. Disabled Boinc auto-update Didn't work, updated to 7.16.6, now added: apt-mark hold boinc apt-mark hold boinc-client apt-mark hold boinc-manger apt-mark hold libboinc7 Let's see will it work... |
![]() Send message Joined: 10 May 07 Posts: 1390 ![]() |
Found another way to install older Boinc, 7.9.3 You had better go back and RE-EDIT THIS and try again... You spelled BOINC WRONG >>> "bionic" should be "boinc". |
Send message Joined: 5 Oct 06 Posts: 5111 ![]() |
boinc is correctly spelled at steps 2 and 3. The 'bionic' main universe in step 1 is, I suspect, a different animal altogether. |
Send message Joined: 8 Nov 19 Posts: 718 ![]() |
bionic is a version of Ubuntu (18.04 to be precise). It's not recommended to load older version libraries into a newer Linux version. |
Copyright © 2024 University of California.
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License,
Version 1.2 or any later version published by the Free Software Foundation.