Category Archives: filesystems

A Tkinter python multi-platform app/GUI

We wrote on python/wxpython Hello World a very simple window/gui. This time we are going to do it for real. The aim is to write “the app/GUI” that will run one command or another depending on the OS. We are … Continue reading

Posted in bash, centos, filesystems, linux, mac, python, software, windows, XP | 1 Comment

PXE booting with cobbler: the Movie

We know how to make a cobbler docker. I had a real one before that I used to PXE boot M630 blades. The installation was still there, so I reset the password on the web interface using htdigest, add a … Continue reading

Posted in bits, centos, cobbler, docker, filesystems, foreman, linux, PXE | Leave a comment

phpMyAdmin migrate database

I’m making dockers for all my web applications. And most of my web applications are hooked up with databases. And where you have a database, you have phpMyAdmin. Anyway. I have this computer A with a very extensive database that … Continue reading

Posted in bash, bits, containers, docker, filesystems, leginon, mysql, yum | Leave a comment

A leginon docker on CentOS 7 Part II: centos7AutoInstallation.py

On the previous post, we prepared a basic LAMP docker to hold a leginon installation.  I assume now you downloaded the installer for CentOS 7 and copied it to the docker via ssh or shared folder. We can simply run … Continue reading

Posted in bits, centos, containers, docker, EM, filesystems, leginon, linux, modules, mysql, yum | 1 Comment

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

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

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

Check there’s a new file in bash

WARNING: we have incoming data! The challenge is to find out with a script, first, if there is a new file on our data folder, then, its name. The script will run each 10 seconds, for example, and will produce … Continue reading

Posted in bash, bits, centos, filesystems, linux | 1 Comment