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Request Tracker email auto completion

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This is a very cool plugin for Request Tracker (RT) that will help your users write the right e-mail address and will avoid the administrators those annoying bounces when e-mails are sent from RT to wrong e-mail addresses.

I used RT 3.8.8 and RTx::EmailCompletion 0.06.

Installation perl -MCPAN -e shell cpan> install RTx::EmailCompletion . . . → Read More: Request Tracker email auto completion

PPPoE in a multiple-connection Linux firewall

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I had to configure a PPPoE interface as a secondary Internet connection in a Linux firewall, using the CentOS Linux distribution. The idea was to route HTTP and HTTPS traffic through the PPPoE connection to leverage the bandwidth usage of the primary static-IP connection.

There are some things to consider when the PPPoE . . . → Read More: PPPoE in a multiple-connection Linux firewall

Firewall Builder with multiple ISP connections howto

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I’ve been using Firewall Builder to manage Linux (CentOS) firewalls for a while. It’s an excellent tool for middle-sized organizations.

I was a happy sysadmin with my single-ISP fwbuilder configuration. Everything was simple, everything worked out of the box. One day, a PPPoE connection came by. I thought there was a simple solution . . . → Read More: Firewall Builder with multiple ISP connections howto

Change keyboard layout in a Linux terminal

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This is kind of a reminder for myself because I never remember this when I need it

To change the keyboard layout (e.g. to Spanish) in the Linux command line, type the following command:

# loadkey es

That’s all!

PasswordSafe in Ubuntu 10.04 Linux 64 bits

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How many passwords and user names do you need to remember? PasswordSafe is a great piece of software that allows you to safely and easily create a secured and encrypted user name/password list. With Password Safe all you have to do is create and remember a single “Master Password” of your choice in . . . → Read More: PasswordSafe in Ubuntu 10.04 Linux 64 bits

Installing older versions of Firefox in Ubuntu 10.04 64 bits

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Sometimes we need to run older versions of Mozilla Firefox in order to overcome compatibility issues with other software. For an example of these situations, see this post.

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You can download older versions of Firefox from this page. If you need a particular version and you can’t find it there, you may . . . → Read More: Installing older versions of Firefox in Ubuntu 10.04 64 bits

VMware server 2.0.2 on Ubuntu 10.04

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Though Ubuntu is not officially supported as a VMware server host, it is very easy to install VMware server using the instructions provided in this page.

You will need to register with VMware to be able to download the software and to receive via e-mail the information required to get the licenses.

The . . . → Read More: VMware server 2.0.2 on Ubuntu 10.04

Ubuntu 10.04 on an HP Pavilion dv4i notebook

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I wanted to use Ubuntu on my HP Pavilion dv4i-2100 notebook. Since the installation was not all the straight forward I would’ve like, I’ll write here all the steps I had to go through to install Ubuntu on my laptop.

First of all, Ubuntu 9.10 amd64 does not install on this laptop, so . . . → Read More: Ubuntu 10.04 on an HP Pavilion dv4i notebook

Join AVI files in Ubuntu

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Joining AVI files in Ubuntu Linux is very easy.

Let’s suppose we have some AVI files (e.g. M1.avi, M2.avi, M3.avi), like those you make with your photo camera, and you want to join them into one AVI file (e.g. WholeMovie.avi).

First of all, you need to install mencoder. In Ubuntu Linux, you can . . . → Read More: Join AVI files in Ubuntu

Netboot using PXE

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You can install PC’s in classrooms by booting a small Linux from the network (using PXE). A small Linux image is downloaded from the PXE server in the local network and then run from memory. This image executes some scripts to get the disk image from a server and to install this image . . . → Read More: Netboot using PXE