In the Microsoft Windows dominated world, it is big news when a company announces that it is going to implement a Linux operating system on one of its computers. It is even more surprising that when that computer is a laptop. But that is exactly what H...
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Cisco Certified System Engineer. The Ccna Certification (cisco Certified Network Associate) Indicates A Free Cisco Exam ? 2007
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When you start working with Linux OS (operating system) and learning how to user Linux, you will soon discover that there are several Linux terms that are similar, the same, or somehow related.
For example, the terms: root user, / (root directory) and ...
Cisco Cable Deal Passes Legal Milestone | Infoworld | News | 2006-01-04
Network Equipment Manufacturer Cisco Systems Has Passed A Critical Milestone In Its Planned Acquisition Of Cable Tv Technology Company Scientific-atlanta After The
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While Windows and Macintosh owners continue to squabble about who has the better operating system, Linux continues to gain more acceptance every year. While we know there are many computer enthusiasts that will swear their loyalty to the product, your ...
This tutorial shows how you can set up a Linux Mint 7 (Gloria) desktop that is a full-fledged replacement for a Windows desktop, i.e. that has all the software that people need to do the things they do on their Windows desktops. The advantages are clear: you get a secure system without DRM restrictions that works even on old hardware, and the best thing is: all software comes free of charge
A place dedicated to the Linux user. Not only for the advanced but also for novice users who wish to learn how easy life with Linux can be and how customizable the operating system is.
Are you a power-user with 5 minutes to spare? Do you want a faster internet experience?
Try out namebench. It hunts down the fastest DNS servers available for your computer to use. namebench runs a fair and thorough benchmark using your web browser history, tcpdump output, or standardized datasets in order to provide an individualized recommendation. namebench is completely free and does not modify your system in any way. This project began as a 20% project at Google.
Linux is a staple brand name when it comes to computers. Over the years, it has been creating programs and operating systems that are very much in tune with the world's need these days. Actually, there is a variety of Linux programs that I find better than its counterparts. However, this program c
netboot.me is a service that allows you to boot nearly any operating system or utility on any computer with a wired internet connection - without having to know ahead of time what you'll want to boot. Once you can netboot.me, you never need to update your boot disk again!
In order for your computer to know where to find the netboot servers, you need to change your DHCP settings to return some extra information. The two relevant pieces of information: next-server, which should be "tftp.netboot.me", and "filename", which should be "netbootme.kpxe". How to set these settings depends on your DHCP server. For dhcpd, simply add the following to the relevant 'subnet' section of your configuration: next-server "tftp.netboot.me"
filename "netbootme.kpxe" For dnsmasq, the following line in /etc/dnsmasq.conf will achieve the same effect: dhcp-boot=netbootme.kpxe,tftp.netboot.me
netboot.me works through the magic of netbooting. There are a number of ways to boot a computer with netboot.me. The simplest is to download a bootable image and burn it to a CD, USB memory stick, or floppy disk. Boot off it on any networked computer, and it will automatically fetch the latest boot options from netboot.me and let you choose from dozens of installation, recovery, testing, portable desktop and other tools. You can also start netboot.me from any computer running gPXE, or from any netbootable computer with some simple tweaks to your DHCP server.
Isn't Qubes just another Linux distribution after all?
Well, if you really want to call it a distribution, then we're more of a "Xen distribution", rather then a Linux one. But Qubes is much more than just Xen packaging -- it has its own VM management infrastructure, with support for template VMs, centralized VM updating, etc, and also its very unique GUI virtualization infrastructure.
What is the main concept behind Qubes?
To build security on the "Security by Isolation" principle.
Key architecture features:Based on a secure bare-metal hypervisor (Xen)Networking code sand-boxed in an unprivileged VM (using IOMMU/VT-d)No networking code in the privileged domain (dom0)All user applications run in "AppVMs", lightweight VMs based on LinuxCentralized updates of all AppVMs based on the same templateQubes GUI virtualization presents applications like if they were running locallyQubes GUI provides isolation between apps sharing the same desktopStorage drivers and backends sand-boxed in an unprivileged virtual machine(*)Secure system boot based on Intel TXT(*)
