Category Archives: bash

A docker macvlan on CentOS 7

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

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

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

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

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Add module path on CentOS 7

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

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Add a CentOS 7 node to a GPFS cluster

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

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Docker usage cheatsheet

My docker usage cheat sheet isĀ  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

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A docker webserver on CentOS 7

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

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