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Linux

Benchmarking Filesystems Part II

Post date: January 6, 2006, 22:01 Category: Benchmarks Views: 5133 Comments
Tutorial quote: After the last article was published, I have received more than a dozen requests for a second filesystem benchmark using the 2.6 kernel. Since that time, I have converted entirely to XFS for every Linux machine I use, so I may be a bit bias regarding the XFS filesystem. I tried to keep the hardware roughly the same. Instead of a Western Digital 250GB and Promise ATA/100 controller, I am now am using a Seagate 400GB and Maxtor ATA/133 Promise controller. The physical machine remains the same, there is an additional 664MB of swap and I am now running Debian Etch. In the previous article, I was running Slackware 9.1 with custom compiled filesystem utilities. I've added a small section in the beginning that shows the filesystem creation and mount time, I've also added a graph showing these new benchmarks. After the first round of benchmarks, I received a sleuth of e-mails asking for the raw numbers. The numbers are now included in tables at the end of this e-mail for both the last and current set of benchmarks.
Debian

Configuring Dynamic DNS & DHCP on Debian Stable

Post date: February 3, 2006, 01:02 Category: Network Views: 3969 Comments
Tutorial quote: For the average home computer user there is no need to install a complex package such as the Internet Software Consortium's BIND DNS or DHCP server, since there are far simpler lower resource tools to use, for example dnsmasq. For those who you wish to learn how to use ISC's BIND and DHCP, for example as a learning exercise, this is how I got it all to work in Debian Sarge, the current stable version of Debian GNU/Linux.

This short article was prompted by my question on the Debian-Administration forum site, where I was able to get some answers to the issues I faced and I did promise to post a solution if I got one.
Debian

Installing Debian onto USB flash media with everything encrypted

Post date: September 28, 2005, 16:09 Category: Security Views: 7529 Comments
Tutorial quote: This is a simple procedure for installing Debian GNU/Linux onto a USB key flash media. It includes several configuration changes but tries to stay as close to a default debian install as possible.

This is useful for administrators that need to carry sensitive information or people concerned about their privacy.
Debian

Removing Unwanted Startup Debian Files or Services

Post date: January 5, 2007, 07:01 Category: System Views: 3895 Comments
Tutorial quote: Under Debian Linux ( and most other distros) startup files are stored in /etc/init.d/ directory and symbolic linked between /etc/rcX.d/ directory exists. Debian Linux (Red Hat/ Fedora) uses System V initialization scripts to start services at boot time from /etc/rcX.d/ directory. Debian Linux comes with different utilities to remove unwanted startup files.
Ubuntu

Setting Up A PXE Install Server For Multiple Linux Distributions With Ubuntu Edgy Eft

Post date: December 20, 2006, 01:12 Category: Installing Views: 4479 Comments
Tutorial quote: This tutorial shows how to set up a PXE (short for preboot execution environment) install server with Ubuntu 6.10 (Edgy Eft). A PXE install server allows your client computers to boot and install a Linux distribution over the network, without the need of burning Linux iso images onto a CD/DVD, boot floppy images, etc. This is handy if your client computers don't have CD or floppy drives, or if you want to set up multiple computers at the same time (e.g. in a large enterprise), or simply because you want to save the money for the CDs/DVDs. In this article I show how to configure a PXE server that allows you to boot multiple distributions: Ubuntu Edgy/Dapper, Debian Etch/Sarge, Fedora Core 6, CentOS 4.4, OpenSuSE 10.2, and Mandriva 2007.
Debian

Upgrade multiple debian systems with Approx

Post date: June 15, 2009, 06:06 Category: System Views: 5100 Comments
Tutorial quote: Approx is an HTTP-based Debian archive server. It fetches packages from remote repositories on demand, and caches them for local use.Approx saves time and network bandwidth if you need to install or upgrade Debian software for a number of machines on a local network.
Debian

Upgrade Debian Lenny To Squeeze In A Few Simple Steps

Post date: February 8, 2011, 12:02 Category: Installing Views: 2784 Comments
Tutorial quote: One rather old laptop and one server were the test objects for this howto. Both systems do not have any RAID devices and use a simple partition scheme from a default basic Lenny install. If your setup deviates much from this, it's highly recommended to read all details of the Debian Release Notes before you continue. Be warned. All commands are run as root and Debian recommends to use apt-get for the Squeeze upgrade process.
Debian

Installing ASSP (Anti-Spam SMTP Proxy) On Ubuntu Server 10.04 / Debian 5.0

Post date: March 15, 2011, 12:03 Category: Installing Views: 3915 Comments
Tutorial quote: This How-To document guides you through installing ASSP (Anti-Spam SMTP Proxy) on an Ubuntu 10.04 (LTS) Server or Debian 5.0 in the simplest way possible. It *may* work on later versions but I have no way of knowing how these instructions will work for you. Installing Ubuntu/Debian is beyond the scope of this document and it is assumed you already have the core Ubuntu/Debian OS with no predefined software collections installed.
Debian

Server Monitoring With Icinga On Debian Squeeze

Post date: August 25, 2011, 07:08 Category: Miscellaneous Views: 2792 Comments
Tutorial quote: Icinga is an enterprise grade open source monitoring system which keeps watch over networks and any conceivable network resource, notifies the user of errors and recoveries and generates performance data for reporting. It is a fork of Nagios. This tutorial explains how to install Icinga on a Debian Squeeze server to monitor this server and another Debian Squeeze server.
Debian

Debian/Ubuntu Package management Using dpkg

Post date: April 17, 2007, 22:04 Category: Software Views: 3664 Comments
Tutorial quote: Dpkg is the Debian package manager dpkg is a medium-level tool to install, build, remove and manage Debian packages. The primary and more user-friendly front-end for dpkg is dselect.dpkg itself is controlled entirely via command line parameters,which consist of exactly one action and zero or more options. The action-parameter tells dpkg what to do and options control the behavior of the action in some way.
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