Category Archives: Tips

Fedora Core 6 | Enabling GD support

Posted on 08-Aug-2007 by javier

Do you need PHP support for GD? First you need to be sure this module is not already installed, on a shell window run the following command: Linux console $ rpm -qa | grep php If you have something like … Continue reading →

Posted in FLOSS, GNU/Linux, Software, Tips | Leave a comment

Network – VLAN’s

Posted on 27-May-2007 by javier

A VLAN (”Virtual LAN”) is a broadcast domain created by one or more switches. That means that a switch separates their ports into VLAN’s to reduce the broadcast traffic. The reasons to create VLAN’s are: 1. Separate traffic, keep PC’s … Continue reading →

Posted in Redes, Tips | Leave a comment

PAE – Physical Address Extension

Posted on 21-Apr-2007 by javier

Lets say you have a server whith 8 GB RAM installed and when you are getting ready to put the server on production you discovered that it is only reporting 4GB RAM. Don’t be alarmed! It is not a hardware … Continue reading →

Posted in Microsoft, Sistemas Operativos, Software, Tips, Windows | Leave a comment

TCP/IP Protocol

Posted on 11-Mar-2007 by javier

TCP/IP architecture Protocols Application HTTP, POP3, SMTP Transport TCP, UDP Internetwork IP Network interface Ethernet, Frame relay

Posted in Protocolos, Redes, Tips | Leave a comment

Outlook 2003 | Unable to start Outlook 2003 after installation

Posted on 19-Jan-2007 by javier

So, just installed Outlook 2003 on a computer running Windows 2000 and the only thing you can see when trying to open is this: “A system component, RPC, required by Outlook to connect to the e-mail server is not configured … Continue reading →

Posted in Microsoft, Software, Tips, Windows | Leave a comment

MySQL | Adding new user accounts to MySQL server

Posted on 02-Jan-2007 by javier

Do you need a new user for your database running on MySQL server? 1. Access to MySQL with the root username, remember that the root account must have INSERT privileges to the mysql database, use the following command: Linux console … Continue reading →

Posted in MySQL, Software, Tips | Leave a comment

Fedora Core 4 | Upgrading to Fedora Core 5

Posted on 31-Dec-2006 by javier

Easily upgrade your current Fedora Core 4 linux to the next Fedora release, using only yum. 1. Run Linux console $ rpm -Uvh http://download.fedora.redhat.com/pub/fedora/linux/core/5/i386/os/Fedora/RPMS/fedora-release-5-5.noarch.rpm To download the fedora-release from one of the Fedora Core mirrors. 2. Upgrade using yum Linux … Continue reading →

Posted in Fedora, FLOSS, Tips | Leave a comment

SQL Server | Error 15023: User already exists in current database

Posted on 29-Dec-2006 by javier

So, you changed a SQL server database to a new server and now you can’t add the old user for this database. And after every single attempt to add the user name you see this error message: “Error 15023: User … Continue reading →

Posted in Bases de Datos, Microsoft, Software, Tips, Windows | Leave a comment

How to change the hostname for a linux server running Fedora Core

Posted on 25-Aug-2006 by javier

Change the hostname for a Linux server is easy, you only need: – A text editor, like Vi or Emacs. – Shell access as “root” obviously. Those are the steps: 1. Showing the current hostname Type the next command: Linux … Continue reading →

Posted in Fedora, FLOSS, GNU/Linux, Tips | Leave a comment

Real VNC vs WebEX

Posted on 17-May-2006 by javier

¿Alguna vez has necesitado un archivo que esta en la computadora de tu casa y no hay nadie para que te lo envie? Intenta cualquiera de estas dos opciones: Real VNC WebEx Dependiendo que es lo que quieres hacer puedes … Continue reading →

Posted in General, Soporte, Tips | Leave a comment