Ubuntu blogs

High Availability with Open Source

In the article High Availability with Open Source, Josh Kuo looks at three of the popular Open Source projects to implement High Availability redundancy (failover): Heartbeat, keepalived, and CARP. The article talks about where each of these three excels and some implementation ideas. Josh also mentions the DRBD utility to sync two remote filesystems to aid in an advanced High Availability setup.

Speed Up Encryption with PadLock

Josh Kuo talks about the benefits of the VIA processors with built-in PadLock hardware encryption assist in his article Speed Up Encryption with PadLock. Josh looks at the difference in system resources between hardware assisted encryption and straight software encryption, as well as some of the basic capabilities of VIA's PadLock technology.

Seagate's Full Disk Encryption (FDE) hard drive

Josh Kuo's article Seagate's Full Disk Encryption (FDE) hard drive talks about the pros and cons of using the new Momentus FDE notebook drives from Seagate. They feature hardware encryption of the entire drive, so it is an excellent security mechanism to prevent data loss in the event that the laptop itself is stolen. However, what about the inevitable lost passwords?

Galternatives - Graphical setup tool for Alternatives Configuration in Ubuntu

There are several programs fulfilling the same or similar functions to be installed on a single system at the same time. For example, many systems have several text editors or different web browsers installed,Multimedia players,graphics editors at once.

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How to install OTRS (Open source Ticket Request System) in Debian

OTRS is an Open source Ticket Request System (also well known as trouble ticket system) with many features to manage customer telephone calls and e-mails. The system is built to allow your support, sales, pre-sales, billing, internal IT, helpdesk, etc. department to react quickly to inbound inquiries.

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Installing Beryl On An Ubuntu Feisty Fawn Desktop With An ATI Radeon Graphic Card

This tutorial shows how you can install and configure Beryl on an Ubuntu 7.04 (Feisty Fawn) desktop with an ATI Radeon graphic card. With Beryl, you can make your desktop use beautiful 3D effects. We will use the open-source ATI driver that comes with Ubuntu plus AIGLX to achieve this; the other way to do this would be to use the closed-source ATI driver together with XGL which seems to be a bit unstable. http://www.howtoforge.com/ubuntu_feisty_beryl_ati_radeon

How To Harden PHP5 With Suhosin (Debian Etch/Ubuntu)

This tutorial shows how to harden PHP5 with Suhosin on Debian Etch and Ubuntu servers. Suhosin is an advanced protection system for PHP installations that was designed to protect servers and users from known and unknown flaws in PHP applications and the PHP core. Suhosin comes in two independent parts, that can be used separately or in combination. The first part is a small patch against the PHP core, that implements a few low-level protections against bufferoverflows or format string vulnerabilities and the second part is a powerful PHP extension that implements all the other protections. http://www.howtoforge.com/suhosin_php_debian_etch_ubuntu

Displaying "MyComputer", "Trash", "Network Servers" Icons On A GNOME Desktop

This short guide describes how you can configure your GNOME desktop to display various icons such as My Computer, Network Servers, Trash, etc. on the desktop. By default, these items are placed on one of the panels (Trash) or hidden in the Places menu. Having these icons on the desktop is useful if you switch from a Windows desktop to a GNOME desktop and are used to having them on the desktop. http://www.howtoforge.com/display_my_computer_and_trash_icons_on_gnome_desktop

Building DVD Images Of Debian/Ubuntu Repositories

This article offers a simple way of creating DVD images of Debian or Ubuntu http/ftp repositories. Ubuntu does not offer DVDs ready to download with its main, universe, multiverse and/or restricted repositories. With the contents of this guide you can do it yourself. Having the Ubuntu or Debian repositories on DVD can be useful for those users who do not have access to the internet where they have their Ubuntu installed but have access somewhere else to download the repository and build and burn the DVDs. http://www.howtoforge.com/dvd_images_of_ubuntu_repositories

Bash Shell Keyboard Shortcuts For Linux Users

The default shell on most Linux operating systems is called Bash. There are a couple of important hotkeys that you should get familiar with if you plan to spend a lot of time at the command line. These shortcuts will save you a ton of time if you learn them.

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Opening Files With A Single Click Instead Of A Double Click In GNOME

This short guide describes how you can configure your GNOME desktop so that you can open files and directories with a single mouseclick instead of a double click. This is helpful if you switch from Windows to Linux and used to open files and directories with a single click on your Windows desktop, too. http://www.howtoforge.com/gnome_single_mouseclick

Speed Up Google Analytics

This method uses crontab to execute a shell script that downloads an updated urchin.js file every 24 hours and saves it into your local sites directory so that it can be served by your web server instead of the google-analytics.com web server. The problem with google-analytics.com is that when google-analytics.com/urchin.js is requested by billions of web users all over the world at one time, it can cause your pages to load very slowly, especially if you are using WordPress or a similar CMS. http://www.howtoforge.com/speed_up_google_analytics

which linux supports 915 mercury motherboard..help

hey hiiii,,,,i wanna know that which linux supports 915 mercury motherboard ( Pl915GLM )since i got 80 GB PATA + 80 GB SATA , Mercury 915 mother board , 256 MB ram , P-IV intel processorOnly Red Hat Lnux 9 is installed , but i don't want it...since it is now older ,no better graphics and multimedia and other applications too.(i really dont want it)i tried fedora core 4 , Knoppix ,UBUNTU , KUBUNTU but it failed to installed on system config.help i want to work on linux platform , which linux i should use ?With UBUNTU and KUBUNTU even live is not opening , where it should show the desktop it si showing VERTICAL lines of different colors.please help me sooni am fed up with trying different linux

How To Set Up suPHP On A Debian Based ISPConfig Server

With this guide I explain how to set up suPHP on a Debian based ISPConfig server with PHP 4. When you have configured suPHP on your ISPConfig server, you are able to run the PHP scripts under the admin user of the website instead of the Apache user. http://www.howtoforge.com/suphp_debian_ispconfig

SAMBA (Domaincontroller) Server For Small Workgroups With Ubuntu 6.10

This is a detailed description about how to set up a Ubuntu based server (Ubuntu 6.10) to act as a file- and printserver for Windows workstations in small workgroups. This howto uses the tdb backend for SAMBA to store passwords and account information. This is suitable for workgroups for up to 250 users and is easier to set up than an LDAP backend. http://www.howtoforge.com/samba_domaincontroller_setup_ubuntu_6.10