Category Archives: bash

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

SEO and big data over (my) WP data

Stats, oh stats. Sometimes you love them, sometimes you hate them. WordPress (WP) offers already lot of numbers you may want to crunch in a different way. The truth may disappoint you, or it can be completely inconclusive, but the … Continue reading

Posted in bash, big data, dragons, ipython, python, wxpython | 3 Comments

Android Oreo tested on a Dell netbook with Atom Z520

I found my old Dell Inspiron mini PC on a drawer. Since my motto is “don’t throw it if it’s not completely broken” I decided to play with it before discarding it. Imagine it: it’s 2009, and there are new … Continue reading

Posted in android, bash, bits, hardware, old scrolls, PXE, software, XP | Leave a comment

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  This may make … Continue reading

Posted in bash, centos, errors, GPU, hardware, nvidia, software | Leave a comment

Giving root power to a CentOS 7 user

This is an old one. I was explicitly avoiding to pass through this hole, but the time has come. There is the need to run a script that will copy data owned by ROOT from storage A to storage B.  … Continue reading

Posted in bash, batch, big data, bits, EM, errors, linux, mac, osx, rsync | Leave a comment

OSX ipython UnknownBackend %matplotlib unable to use

I’m continuing with my data science experiments. If you are also following some text instead of learning it by use, you may have encountered that you are unable to use matplotlib as suggested on the text.  The line %matplotlib inline … Continue reading

Posted in bash, big data, brew, hardware, ipython, linux, mac, osx, python | Leave a comment