Ok, this idea woke me up: https://fedoraproject.org/wiki/User:Renich/Projects/Fed

I think Fedora/Red Hat could get into the device realm. Who would buy a Fedora/Red Hat tailored laptop? Imagine that? Or maybe an audio player? Or a phone?

Ah, yes, it's been more than a year without downtime and that is because we host ourselves in CloudSigma.

I remember the first days, right after Rackspace and all. Richard Couture was very uncertain about "The Cloud". He disliked Rackspace and kept saying: "I want a server I can touch …

Hoy necesité alterar las 130 tablas de una DB. Se hizo así:

#!/usr/bin/env bash

mysql -B -N -h mysql1 -u root --password="YourSuperPassword" my_db -e "show tables" | while read db; do
    mysql -h mysql1 -u root --password="YourSuperPassword" my_db -e "alter table $db character set utf8 collate utf8_general_ci …

A veces, necesitas el espacio:

# liberar el pagecache:
echo 1 > /proc/sys/vm/drop_caches

# Para liberar los dentries y los inodes:
echo 2 > /proc/sys/vm/drop_caches

# Para liberar todo (pagecache, dentries e inodes):
echo 3 > /proc/sys/vm/drop_caches

Ésta es una operación no destructiva. Los objetos "sucios" no …

Muy fácil; solo caduca el password. Ahora, si es un usuario nuevo, en Fedora, no puede hacer login sin password. Hay que asignar uno temporal:

# te haces root
su -

# creas un usuario
useradd renich

# le das un password temporal
passwd renich

# le caducas el password
chage -d 0 renich

En …