Category Archives: programming

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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CONFIG_RETPOLINE=y error on CentOS 7

We need to update our systems. We don’t do it regularly, but when requested by the authority, and this time they requested it due to Specter & Meltdown. So there I am trying to get my rpm for the newest … Continue reading

Posted in bits, centos, filesystems, GPFS, hardware, linux, programming | Leave a comment

MATLAB on-disk crash

Everything started when I wanted to increase the Java Heap Memory. It’s not related but it is the cause I decided to look onto MATLAB, so I need to refer it. I have 4 node-locked matlab licenses, connected to our … Continue reading

Posted in bits, hardware, linux, matlab, programming, yum | Leave a comment

A docker Hello World on Cent OS 7

Previously I gave you my recipe for containers on Cent OS 7. Now we are going to enable dockers and play a little with them. I’m following a version of this guide to dockers on Cent OS 7. Actually it’s … Continue reading

Posted in bits, centos, containers, docker, hardware, linux, programming | 2 Comments

Python/WXpython Hello World

Welcome back to the fantastic world of computing. Today we’re going to learn the difference between  python and wxpython. First we need to be sure we have “some” python in our system. For that we need a shell (the black … Continue reading

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C/C++ Hello World

Since this is my first article, I’m going to start without a long explanation. I will suppose you have a bash shell. You need to check that you have a compiler. As an user, you can type user@machine$ > which … Continue reading

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Software collaboration tools (III): Slack

I may fly over some of the tools, instead of giving a detailed feedback. I need to remark that what I write are my impressions, not real error-free benchmarks of a product. If you want that you can go to PC … Continue reading

Posted in programming, slack, software | Leave a comment