Category Archives: bash

A docker macvlan on CentOS 7

Posted on April 19, 2018 by

I want to dockerize my services (not only leginon) so I need to find out an effective way to integrate them onto our intranet. That is proven to be a little bit complex, since I have partial control of our … Continue reading →

Posted in bash, bits, centos, containers, docker, hardware, leginon, mysql, programming | Leave a comment

A leginon docker on CentOS 7 Part I: docker and database server install

Posted on April 18, 2018 by

Previously we we made a leginon CentOS 6 container on CentOS 7. Now the LXC containers are somehow more robust than a docker, but less popular and versatile. Therefore the need to make a docker instead. I start by cloning … Continue reading →

Posted in bash, centos, containers, docker, EM, leginon, linux, python, yum | 1 Comment

[WARNING] Service returned no data for label gpu use error on munin node

Posted on April 10, 2018 by

If you have several Linux clients and no way to monitoring what’s going on munin is your friend. I have a couple of non-standard munin plugins that I’ve been scraping around so I was feeling brave enough to write a … Continue reading →

Posted in bash, bits, GPU, linux, munin, slurm, software | Leave a comment

Add module path on CentOS 7

Posted on March 7, 2018 by

If you installed software modules on CentOS 7, you know that the module definitions are stored on /usr/share/Modules/modulefiles/ by default. We want to change that, so that we can store the modules on the place we want, or add different … Continue reading →

Posted in bash, centos, modules, software | Leave a comment

Add a CentOS 7 node to a GPFS cluster

Posted on March 1, 2018 by

We want to have all the clients of our storage added as native GPFS clients. I showed before some problems that I experienced with an already joined GPFS client. Everybody’s lazy, so I will suppose you already compiled the GPFS … Continue reading →

Posted in bash, bits, centos, filesystems, GPFS, linux, slurm, software | Leave a comment

Docker usage cheatsheet

Posted on February 23, 2018 by

My docker usage cheat sheet is  a simplified version on this fantastic one on GitHub. I followed the structure I used for my apparently popular Slurm user cheatsheet. What it does Command List active dockers docker ps List all dockers … Continue reading →

Posted in bash, bits, centos, containers, docker, software | Leave a comment

A docker webserver on CentOS 7

Posted on February 22, 2018 by

I will base my docker on the katacoda online tutorial. I will suppose you have the docker installed on a CentOS 7 system. We want to run a container that will be visible in our intranet, based on a nginx … Continue reading →

Posted in bash, bits, centos, containers, docker, linux, software | Leave a comment