Category Archives: centos

GPFS mmbuildgpl on CentOS 7.6

I know I get boring by minutes. But that’s life, my friends. Today’s problem is a GPFS CentOS client gpfsnode that joined our system later in time. I did what I did with my previous machines (I have a script … Continue reading

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Slurm 18.08 database usage

Previously I told you about the problems you may have configuring the mariadb for the slurm daemon. Now I’m going to close this chapter by a little cheatsheet on accounting based on the sreport documentation and  the sacctmgr documentation. I … Continue reading

Posted in bash, batch, centos, errors, GPU, hardware, linux, nvidia, slurm, software, Uncategorized | Leave a comment

CryoSPARC 2 management notes

You know how to install CryoSPARC 2 on CentOS 7. There are some simple commands that I keep repeating, and some complicated ones that I need to run from time to time. I keep adding and deleting nodes. To add … Continue reading

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Slurm 18.08 with QOS mariadb problems on CentOS 7

I already told you how to install Slurm on CentOS 7 so I’m not going to repeat it for a  modern slurm package. I’m going to comment on the new issues I had using the procedure. Problem one: making rpms. … Continue reading

Posted in bash, batch, centos, errors, GPU, hardware, linux, mac, mysql, osx, slurm, software | 3 Comments

GDM not starting on CentOS 7.6

We did a big update, as I mentioned previously, and after the update I found out some of the graphic cards were not anymore supported by the newest NVIDIA drivers for CentOS x64, at this moment  NVIDIA-Linux-x86_64-418.43.run.  This may make … Continue reading

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GPFS error [E] Pagepool has size … instead of the requested … on CentOS 7

We just updated our GPFS systems for the new kernel. The installation was smooth once we get the rpm packages. Basically: rpm -Uvh gpfs.base-4.2.3-13.x86_64.rpm \ gpfs.docs-4.2.3-13.noarch.rpm gpfs.ext-4.2.3-13.x86_64.rpm \ gpfs.gpl-4.2.3-13.noarch.rpm gpfs.gskit-8.0.50-86.x86_64.rpm \ gpfs.license.std-4.2.3-13.x86_64.rpm \ gpfs.msg.en_US-4.2.3-13.noarch.rpm And after that the compiled binary … Continue reading

Posted in big data, bits, centos, GPFS, linux, software | Leave a comment

A ddrescue on CentOS 7

Sorry no literature yet. I do not find time to write down my dreams, but they are there. I’ve been having headaches trying to recover a dying Windows 7 system with vital hardware running on it. Since I am a … Continue reading

Posted in bash, centos, ddrescue, errors, fragments, linux, windows, XP | Leave a comment