Archive > Tag: english

Benchmarks: C Vs Perl5.16 Vs PHP5.5 Vs Python2/3 Vs Ruby2

Oh, today is a sad, sad day for me.

Ruby seems to be as slow as Python3; which, in my previous benchmark: was not! It was just between PHP and Python2.

Not the published one but, I remember, ruby was around 400 ms... damn... really …

HowTo: Cómo listar contextos/etiquetas y módulos en SELinux

Hola, un rapidín.

# listar posibles tipos (contextos/etiquetas).
seinfo -xt

# averiguar qué hace un tipo
sesearch -A -s httpd_sys_rw_content_t

# listar módulos.
semanage module -l

# listar la política actual (conjunto de reglas).
semanage fcontext -l

# cómo buscar negaciones.
ausearch -i -m AVC,USER_AVC -sv no

# cómo buscar negaciones recientes.
ausearch -i …

HowTo: Configure Gitolite3 on Fedora 19

Ok, Fedora adheres, thankfully, to the FHS a lot and, thus, changes where things might go. In this case, they don't use the git user; they use gitolite3 as a user. And, in a nutshell, here's how to configure it:

The first part of the HowTo goes on the Server …

Synapse: Should it retire from Fedora?

Hello, Fedorian Community!

I started maintaining Synapse in Fedora back in GNOME 2.x. It seemed like a great idea. It used Vala; no Mono and stuff.

Today, it seems abandoned:

I'd like to retire the package to …

Howto: Check if a browser has CACert installed as an authority

Well, I am working on a project to sell virtualization instances, a.k.a. vps, in

Anyway, that has nothing to do with this. The thing is that I decided to go for certificates. Why?

  • They're free
  • They do the work; which is encrypting …

HowTo: Bind10 resolver @ Fedora 19

I've been waiting for Bind10 to come to Fedora for a long time. I dunno if it's better or worse; I just like new stuff ;)

That said, I totally expect it to be better. It has some neat features and the idea of a modular app seems great. (huh? somebody …

My trip to Archland (Arch Linux)

I am an infamous Fedorian. Everybody who knows me, knows that. I love Fedora. Been with it since Fedora Core 1 and never left it.

This said, I just made a trip to Archland! I try to use some other distros between Fedora releases. The list of distros I have …

Fedora 19 up and running!

Yep, just upgraded. It's 5 AM and noticed the mirrors there.

I am totally happy! I can't believe it. FedUp did the trick this time!

fedup --network 19 --reboot

That was it. The production, testing and devel servers went down and up in 378 pings (1 sec per ping). This …

HowTo: Use ip instead of ifconfig

The other day, I was helping out some guy to set his IP address. He missed ifconfig; which is deprecated by the way, and I lent a hand; helping him get around the "ip" command.

Here's a micro cheatsheet:

# get some info on your link
# This will show your links …

HowTo: Fix Google Chrome's slowness on Fedora

Well, if you; like me, hate Google Chrome recently; because it gets slow as a turtle, here's a solution:

google-chrome %U --disable-accelerated-compositing

I dunno what the %U does, but the other one is self explanatory. This solved my slowness problems.

My symptoms:

  • Impossible to view flash videos (choppy most of …