This document describes the procedure to set up CA sync between two Zentyal servers. We will use for this rsync being run in a cron job. We will use root in the side that starts the connection (provided script will…
First Certification step done
Today when I arrived home I had in my mailbox the COMPTIA Linux certification pack. Doing this certification exams has been my forst step towards receiving a certification that can prove my actual knowledge about Linux. Selecting Comptia, has been…
Testing reboots
Today, I had to do a lot of reboots just to check one issue with ACPI that could prevent a machine to correctly boot up. I begun doing up to ten reboots, but in the end, I could not bare…
Mail server in Zentyal – Understanding differences between Mail and Groupware modules
Many people get confused when installed Zentyal about the differences between Zentyal Mail and Zentyal Groupware modules. Zentyal provides mail functionality through Zentyal Mail module. It uses Postfix as the daemon to provide smtp functionality, and Dovecot as the daemon…
Panic! Mysql is not starting!
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…
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…