Last Tuesday I found an issue a still did not found in which mysql was not starting. Looking at the logs showed this logs: Fatal error: Can’t open and lock privilege tables: Can’t find file: ‘host’ (errno: 2) Ok, so…
Autor: Javier Bahillo
Debugging iptables
Today I had to debug iptables while reviewing a customer issue, which basically had problems with a VPN that allowed traffic from the client to the server, but not to any other machine in the server network. A quick look…
Testing a squid ACL
Imagine you have configured your squid, with dansguardian, and a shallalist. You launch squid and… bump, it says that one of your ACL’s is a bungled one. You check syntax… and it’s perfect. What the hell is happening here? Well,…
Removing incorrect characters in files
Today I realized that in some files I used, I had a | character that provoked them to be of little use (and provoke misconfiguration on the system), so I thought of removing them in a row. The choice was…
Updating packages from a folder
Today I had to update a set of installed packages from a folder, but in that folder there were some deb packages that were not installed and that I did not want to install, so I thought of doing a…
Zentyal Bulk LDAP passwords change
This is a small script I have done today in Zentyal that allows you to change the passwords of all users in LDAP. It creates a file /tmp/usuarios.csv with the users and their new passwords #!/usr/bin/perl use strict; use warnings;…
Remote identification and storage
Developing an environment of remote home folders under Linux with NFS and LDAP auth is a common task. But there are some cases in which this approach might not be the best one, as you might find some issue to…
Feliz Año Nuevo
Hola a todos: Como es costumbre en estas fechas toca la revisión del año, un año que en general no puedo más que calificar de positivo. Recuerdo las buenas experiencias durante el curso de LPIC I y LPIC II (un…
Vida nueva
Llevo ya un tiempo sin escribir ningún articulo, en parte porque el no estar en activo como estuve durante cierto tiempo hace que se encuentre con nuevos retos o nuevos temas interesantes, y después porque diferentes cuestiones me han mantenido…
Nueva versión Mysql Backup (1.2)
Se ha actualizado el script de backup de la base de datos, incluyendo una comprobación del número de backups guardado. Así aunque normalmente los ficheros (sobre todo al estar comprimidos) no ocupan demasiado, nos aseguramos de no saturar la partición…