Linux System Admins Blog

Here are two videos by Steve Souders, former chief performance Yahoo, currently at Google.  He determined that 95% of the wait on loading the Yahoo page is after the initial apache response is sent to the browser.  Doing more research he determined that this is about a 80/20 rule on most popular web sites.  It [...]

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Most Google services are now avaible over encrypted ssl connections. Google Apps now offers the option to enforce ssl for most of it’s services. Here is the overview:
Email – Yes.
Calendar – Yes.
Docs – Yes.
Sites – Yes.
Chat – Yes. SSL supports Chat in Gmail. The Google Talk Client is always over a secure connection (TLS).
Video – [...]

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The good days of having a customized start page for Google Apps are over. As of December 1st 2008 Google has ceased offering the Start Page Service to all new Google Apps customers.  This isn’t the only cut back Google has made as now only 100 e-mail  accounts are available with the free Standard version [...]

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If you get this error you probably compiled mencoder and mplayer without Xvid support.
To fix this error you need to re-compile mencoder and add Xvid codec support. Please refer to this guide Compile Mencoder and Mplayer with Xvid and H264 Support

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Recently we were discussing our favorite phones and gadgets. By now we use our phones as mobile terminals so when the question of upgrading came up we looked at the requirements we have from that perspective. The first requirement is an SSH client of course. Most smart phones do have an SSH client of sorts [...]

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This post will show how you can easily upgrade ASDM (Cisco Adaptive Security Device Manager for ASA) to the latest version on a Cisco ASA5500 firewall using the command line interface. In order to do this you will need the latest asdm image (you will need a proper cisco cco user and contract to download [...]

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Our top 5 blog posts in terms of number of clicks received in 2008

INSTALL FFMPEG FFMPEG-PHP AND AUDIO BINARIES ON CENTOS / RHEL SYSTEM WITH CPANEL by Gerold
This guide is intented for the installatiion of ffmpeg, ffmpeg-php, mplayer, mencoder, lame mp3 encoder, flvtool2, libVorbis, and libogg and tested on CentOS5 and RHEL3 systems with Cpanel.
How [...]

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One of many uses of NGINX is http/https proxy load balancing. This guide is Debian specific so your milage with other flavors may vary. In this example we always redirect http to https.
The main nginx configation file is /etc/nginx/nginx.conf and below is a sample configuration file:

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Red Hat Enterprise Linux 5.3 Now Available with Leading Virtualization Performance and Next-Generation Java and Processor Support Capabilities
Main three updates include:
- support for Hugepage memory and Intel Extended Page Tables (EPT), dramatically improve the performance of virtual servers, extending number of CPUs supported and maximum memory
- Support for Intel Core i7 (Nehalem) processor
- bundled in [...]

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Wall Street Journal technology section reports this morning in a story by Ben Worthen a record security breach of Heartland Payment Systems a company in Princeton New Jersey.  It looks like the company’s web site runs on Windows servers.
Card Data Breached, Firm Says
A New Jersey credit-card processor disclosed a data breach that analysts said may [...]

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