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Ubuntu

Installing VirtualBox 3.0 On An Ubuntu 9.04 Desktop

Post date: July 9, 2009, 09:07 Category: Desktop Views: 4585 Comments
Tutorial quote: This tutorial shows how you can install Sun VirtualBox 3.0 (released on June 30, 2009) on an Ubuntu 9.04 desktop. With VirtualBox you can create and run guest operating systems ("virtual machines") such as Linux and Windows under a host operating system. There are two ways of installing VirtualBox: from precompiled binaries that are available for some distributions and come under the PUEL license, and from the sources that are released under the GPL. This article will show how to set up VirtualBox 3.0 from the precompiled binaries.
Fedora

Installing VirtualBox 3.0 On A Fedora 11 Desktop

Post date: July 21, 2009, 11:07 Category: Desktop Views: 2114 Comments
Tutorial quote: This tutorial shows how you can install Sun VirtualBox 3.0 (released on June 30, 2009) on a Fedora 11 desktop. With VirtualBox you can create and run guest operating systems ("virtual machines") such as Linux and Windows under a host operating system. There are two ways of installing VirtualBox: from precompiled binaries that are available for some distributions and come under the PUEL license, and from the sources that are released under the GPL. This article will show how to set up VirtualBox 3.0 from the precompiled binaries.
Linux

The Linux /proc Filesystem as a Programmers' Tool

Post date: June 22, 2005, 09:06 Category: Programming Views: 3344 Comments
Tutorial quote: My entry into systems programming was guided by my desire to understand further the operating systems I was working with daily as a contract UNIX and, later, Linux system administrator. The result of this was ifchk, a packet sniffer detector I wrote in C and released in June of 2003. ifchk initially was written under IRIX and then ported to Linux, mostly under the 2.4 kernel. The current ifchk revision, beta 4, recently was released and beta 5 is on the way.

My work on ifchk has allowed me to examine programmatically several areas of operating system functionality. Examples include the Linux netlink(7) and rtnetlink(7) facilities, device control--that is, network interfaces--via ioctl(2), signals and proc, the process filesystem. Proc and its ability to display a wide array of data concerning the runtime state of a system are the focus of our discussion here.
Linux

NPTL vs. NPGT vs. LinuxThreads

Post date: April 24, 2005, 09:04 Category: Benchmarks Views: 2978 Comments
Tutorial quote: Ulrich Drepper recently offered some interesting benchmark results, comparing the time it takes to create and destroy threads with different threading models under various conditions. The tests were run using a 2.5.37 development kernel, comparing LinuxThreads, NGPT 2.0.2 and NPTL 0.1.
Linux

Connecting to a Wireless LAN with Linux, Part 1

Post date: April 13, 2005, 19:04 Category: Hardware Views: 3573 Comments
Tutorial quote: Wireless hardware for Linux is a moving target. The wireless network adapter that worked fine with Linux yesterday may be released with an unsupported radio chipset today, and with no indication of the change. So buyer beware--always confirm the chipset before you buy. The good news is a lot of wireless adapters have native Linux support, and for those that don't, the NdisWrapper utility lets you use the Windows drivers on your Linux box.
Debian

BackupPC Installation And Configuration

Post date: June 19, 2006, 15:06 Category: Software Views: 3104 Comments
Tutorial quote: BackupPC is a high-performance, enterprise-grade system for backing up Linux and WinXX PCs and laptops to a server's disk. BackupPC is highly configurable and easy to install and maintain.
Ubuntu

Install KDE 4.3 In Ubuntu Jaunty 9.04

Post date: August 5, 2009, 12:08 Category: Installing Views: 1573 Comments
Tutorial quote: Ubuntu 9.10 Karmic Koala simply have do an apt-get upgrade to update to the latest KDE 4.3 (which was released yesterday) but (K)Ubuntu 9.04 Jaunty Jackalope users have to add the Kubuntu PPA backports so they can install the latest KDE 4.3.

IMPORTANT NOTE: The packages for Jaunty are not officially supported. KDE 4.3 will be part of Karmic Koala Kubuntu 9.10 which will be officially released in October.

If you still want to continue, you can add these repositories by running the following command in a terminal:
Ubuntu

How to Create a Private Encrypted Folder On Ubuntu 8.10

Post date: March 5, 2009, 08:03 Category: System Views: 3894 Comments
Tutorial quote: eCryptfs is a POSIX-compliant enterprise-class stacked cryptographic filesystem for Linux.It provides advanced key management and policy features. eCryptfs stores cryptographic metadata in the header of each file written, so that encrypted files can be copied between hosts; the
file will be decryptable with the proper key, and there is no need to keep track of any additional information aside from what is already in the encrypted file itself. Think of
eCryptfs as a sort of “gnupgfs”.eCryptfs is a native Linux filesystem. The kernel module component of eCryptfs is part of the Linux kernel since 2.6.19.
SuSe

Xgl on SUSE 10.1 for Gnome and KDE with NVidia Graphics Cards

Post date: May 12, 2006, 13:05 Category: Desktop Views: 4250 Comments
Tutorial quote: Perhaps the most interesting eye-candy introduced to a mainstream Linux distribution is that of the Xgl 3D desktop environment. Naturally, when seen, it fosters the thought, "How can I do that on my own desktop?" I'll be honest with you, it's not quite as point-and-click as some of the other desktop niceties that we've discussed in the past, such as gdesklets or the gkrellm monitors. That in mind, if you're interested in getting Xgl installed and running on your desktop, you've found the right place. We'll take it a bit at a time and make sure we get you set up. First of all, I need to make sure that you are using this tutorial for a machine running either SUSE Linux 10.1 or SUSE Linux Enterprise Desktop 10, and that you have an NVidia video card. With that, let's get going.
Ubuntu

How to Create a Private Encrypted Folder On Ubuntu 8.10 (Intrepid)

Post date: January 13, 2009, 13:01 Category: System Views: 4057 Comments
Tutorial quote: eCryptfs is a POSIX-compliant enterprise-class stacked cryptographic filesystem for Linux.It provides advanced key management and policy features. eCryptfs stores cryptographic metadata in the header of each file written, so that encrypted files can be copied between hosts; the file will be decryptable with the proper key, and there is no need to keep track of any additional information aside from what is already in the encrypted file itself. Think of eCryptfs as a sort of “gnupgfs”.eCryptfs is a native Linux filesystem. The kernel module component of eCryptfs is part of the Linux kernel since 2.6.19.

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