Archive > Tag: FOSS

Centros de datos escuela

Chisme

Ayer, estuve en una reunión en la que participaron personas de CoNaCyT, Infotec, Red Hat, varios individuos acérrimos proponentes del código libre en México.

La reunión trató sobre un tema en particular: Las nubes en México.

Resulta que hay poco conocimiento al respecto. Además, hay poca oferta y poco …


Reboot

Yeah, so my blog is back!

I've finally found a way to publish the content I want to publish; in a friendly way.

Pelican is the software I use to generate my website now. This is much safer and nicer for all of the involved; including my server.

I can …


OpenStack: What is the optimal number of objects per container

Well, I just had this question and went over to #openstack @ Freenode. There, notmyname (apparently, a moderator or @ps of some kind) answered:

12:20 < notmyname> Renich: I saw you asking questions about swift earlier
12:20 < notmyname> Renich: about object count per container
12:27 < notmyname> Renich: in case …

Crashing your kernel on purpose

Ok, that sounds funny, doesn't it? Well, it turns out, sometimes, you want to test your kernel dump or something of the sorts. Here's how to do it:

echo c > /proc/sysrq-trigger

This will, instanly, crash your kernel.

References:


HowTo: Ask questions in Bash?

I've been writing some script to configure some firewall and came up with this way of asking a question in Bash. I hope it helps as an example. Feel free to contribute your own:

#!/usr/bin/env bash

ask() {
    local query=$1

    if ( echo $query | grep -qi password ); then
        read …