Information for Linux System Administration
Benchmarks: FreeBSD 8.0 vs. Solaris vs. Linux

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FreeBSD 8.0 takes on Fedora 12 and Ubuntu 9.10 as well as OpenSolaris 2010.02 b127 in a performance free-for-all..
The hardware we are using for benchmarking this time was a Lenovo ThinkPad T61 notebook with an Intel Core 2 Duo T9300 processor, 2GB of system memory, a 100GB Hitachi HTS72201 7200RPM SATA HDD, and a NVIDIA Quadro NVS 140M graphics processor powering a 1680 x 1050 LVDS panel.
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Tutorial: FreeBSD 8 Upgrade

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Source-based upgrades from previous versions are well supported and recommend to gain full control of your FreeBSD 8 kernel and base systems. csup is a general-purpose network file updating package. It is extremely fast program. This tutorial describes how to upgrade from FreeBSD v7.2 to latest FreeBSD 8.0. read more...
Free Operating Systems

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The big options for free operating systems that aren't Linux...
In the case of BSD and OpenSolaris, they're already in production deployments all around the world, so there's little to argue with there. HaikuOS, ReactOS, Darwin, and Singularity are entirely another story: they range from being minimally useful on the desktop to only useful as programming research projects.
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Tutorial: OpenBSD 101

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Updated information on OpenBSD:
OpenBSD is an ultra-secure, freely available, multi-platform BSD-based UNIX-like operating system. And is arguably the most secure operating system in the world.
After using OpenBSD for over 9 years I decided to place online some useful information for first time users of OpenBSD.
The information here covers the current release of OpenBSD.
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Tip: Create a ip in Freebsd

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You can add an ip to an interface after boot using ifconfig.
example: ifconfig rl0 192.168.1.1
But this ip wont last for the next boot. read more...
Tutorial: FreeBSD 7.2 Upgrade

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FreeBSD is just plain old good UNIX with rock solid networking stack. A new version of the FreeBSD 7.2 has been released. Systems running FreeBSD 7.0-RELEASE, 7.1-RELEASE, 7.2-BETA1, 7.2-RC1, 7.2RC2 can upgrade using this tutorial. read more...
In search of the perfect Linux and BSD desktop distribution

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Is there such a thing as a perfect Linux or BSD desktop distribution? If so, what features and functionalities would such a distro have for it to have attained that high state - of perfection (on the desktop)? And perfect for what group of users? Geeks or non-geeks? In order to answer these questions, we set out here the most important features we expect a modern Linux or BSD desktop distribution to have. read more...
Tutorial: Freebsd 7.0 Upgrade

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FreeBSD 7.0-RELEASE is now available for the 64 and 32 bit computer architectures. FreeBSD 6.3 allows upgrade of existing installation to FreeBSD 7.0-RELEASE. How do I upgrade FreeBSD version 6.3-pX 64 bit to latest 7.0 64 bit system? read more...
Creating a Jailed Virtual Host in FreeBSD

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How to spawn completely jailed virtual hosts within your FreeBSD system...
This Howto article is intended to be a practical example, and I will start my host system with FreeBSD 6.2-RELEASE. The Install will be of the "minimal" variety, and for the first part of this document, we will not update the system with buildworld. After a jail is created, we will then update the host, and then update the jail. This will demonstrate a practical example of how to build, and then maintain a jail thru critical security releases.
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Tutorial: FreeBSD iSCSI Initiator Installation and Configuration

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The FreeBSD iscsi_initiator implements the kernel side of the Internet SCSI (iSCSI) network protocol standard, the user land companion is iscontrol and permits access to remote virtual SCSI devices via cam.
FreeBSD 7.x has full support for iSCSI. Older version such as FreeBSD 6.3 requires backport for iSCSI. Following instruction are known to work under FreeBSD 7.0 only. read more...
The new stuff in OpenBSD 4.3

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This interview with OpenBSD developers reveals an inside look at the changes in the new release...
The most exciting new feature in OpenBSD/sparc64 is SMP support. All supported systems should work, with the exception of the Enterprise 10000 (for which support was added after the 4.3 release was made). The release has still some stability issues on systems with more than 4 CPUs (most of these are already fixed in -current), but in general the sparc64 SMP kernel is remarkably stable. Snapshots have been built on a dual UltraSPARC-IIIi machine since November, less than half a year after Theo complained that his shiny new Sun Fire V215 only "half" worked.
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A closer look at OpenBSD 4.3

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OpenBSD provides a UNIX distribution with a primary emphasis on security and cryptography. If you're looking for a UNIX distribution to deploy in the most critical nexus in your network infrastructure, look no further than OpenBSD. The recent release of OpenBSD— version 4.3—includes several new features and bug fixes that this article reviews. read more...
Review: PCBSD 7.0

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A short overview of the new version of PCBSD...
PCBSD is a nice distribution for new users to the "alternative" operating systems as it is pointed towards new users, but advance users would not be disappointed. It is nice to see that PCBSD is progressing nicely, but there is still that issue of no 64 bit support as they have done it once in the past but strictly release their distribution for 32bit support only.
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Top BSD distributions

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Here are the top five BSD's...
As some of you may know, Linux is not the only Unix-like operating system available. There are other UNIX derivatives, and one of the most popular among them is called BSD. If you have been to Distrowatch, you will see different BSD distributions listed in there.
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Tutorial: FreeBSD Setup IPFW Firewall

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Ipfirewall (ipfw) is a FreeBSD IP packet filter and traffic accounting facility.IPFW is included in the basic FreeBSD install as a separate run time loadable module.
This small howto covers building and installing a custom kernel with IPFW. It also provide a small example on how to setting up the rules for a typical FreeBSD based Apache Web server. read more...
Tutorial: FreeBSD Jail Upgrade

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The FreeBSD jail mechanism is an implementation of operating system-level virtualization that allows administrators to partition a FreeBSD-based computer system into several independent mini-systems called jails. FreeBSD jails offer security, ease of delegation and os level virtualization. This article explains how to upgrade FreeBSD jails using 'make world'. read more...
FreeBSD 7.0 Details

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This interview of many FreeBSD developers uncovers the details in FreeBSD 7.0...
FreeBSD is back to its incredible performance and now can take advantage of multi-core/CPUs systems very well... so well that some benchmarks on both Intel and AMD systems showed release 7.0 being faster than Linux 2.6 when running PostreSQL or MySQL.
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PC-BSD 1.5: The Perfect Desktop

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This document describes how to set up PC-BSD v1.5. This release is based upon FreeBSD 6.3 and uses KDE 3.5.8 as default desktop environment. Taken from the PC-BSD page: PC-BSD is a complete desktop operating system, which has been designed with the "casual" computer user in mind. It offers the stability and security that only a BSD-based operating system can bring, while as the same time providing a comfortable user experience, allowing you to get the most out of your computing time. With PC-BSD you can spend less time working to fix viruses or spyware and instead have the computer work for you. read more...
Tutorial: Set up a Wireless Access Point on FreeBSD

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This guide explains the process of setting up a FreeBSD system that will act as a wireless router (as well as a wired router) that takes advantage of the ported version of OpenBSD's PF packet filter.
Getting FreeBSD to act as a wireless access point involves the following steps:
Make sure your installation includes hostapd and named (BIND)
Recompile your kernel for pf support
pf is not the only way to do this, but I strongly prefer pf to the ipfw/ipfilter and have written the How-To to use it
Configure NAT (and any firewall rules)
Install isc-dhcp3-server
Configure daemons and start them
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Review: DesktopBSD 1.6 Live CD

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BSD for the desktop will now run from a CD...
One of the first and most noticeable changes in version 1.6 is that it now contains a LiveCD option. While I wouldn't consider this to be a typical livecd, it certainly stacks up well against the large collection of other livecd's out there. Initially you're greeted with the standard Freebsd boot screen and bootup sequence. The first part of the livecd session starts out with a semi-graphical welcome screen that is keyboard driven.
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