BSD Packet Filter (pf) resources

Here is list of some useful resources regarding OpenBSD Packet Filter: PF User’s Guide by by Wouter Coene NAT with pf by Jacek Artymiak Securing Small Networks with OpenBSD by Jacek Artymiak Firewalling with PF by Peter N. M. Hansteen (norwegian version, pdf, and slides available, too) A Newbie’s Guide to Setting up PF on OpenBSD by Eric Bullen A Beginner’s Guide To Firewalling with pf Guide to OpenBSD Packet […]

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EV-DO Internet access with Ubuntu Linux

The following manual is applicable for 32bit Ubuntu 6.10 (Edgy Eft) and 7.04 (Feisty Fawn) and Verizon Motorola v3 EV-DO enabled phone connected via USB cable as well as number of other EV-DO cards like PC5750. Make sure your device is activated by service provider and if possible test on other OS to which you may have software and drivers. Open terminal window and type: sudo -i and enter your […]

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Linux and Solaris filesystems comparison

This is my attempt to cut through the hype and uncertainty to find a storage subsystem that works. I compared XFS and EXT4 under Linux with ZFS under OpenSolaris. The machine is a 2200MHz Athlon 64 with 1GB of memory and 8 400GB disks attached to an Areca ARC-1220 SATA controller. Linux is 2.6.22.5 and OpenSolaris is 5.11 snv_70 “Nevada”. Read more…

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Web server cluster with SUSE Linux Enterprise Server 10

Spreading a workload across multiple processors, coupled with various software recovery techniques, provides a highly available environment and enhances overall RAS (Reliability, Availability, and Serviceability) of the environment. Benefits include faster recovery from unplanned outages, as well as minimal effects of planned outages on the end user.To get the most out of this article, you should be familiar with Linux and basic networking, and you should have Apache servers already […]

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Vim text editor manual for newbies

Vim is a highly configurable text editor built to enable efficient text editing. It is an improved version of the vi editor distributed with most UNIX systems.Vim is often called a “programmer’s editor,” and so useful for programming that many consider it an entire IDE. It’s not just for programmers, though. Vim is perfect for all kinds of text editing, from composing email to editing configuration files. Here is a […]

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