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10 Mistakes New Linux Administrators Make

Mon, 01 Dec 2008 09:22:47 +0000

LinuxSecurity.com: For many, migrating to Linux is a rite of passage that equates to a thing of joy. For others, it's a nightmare waiting to happen. It's wonderful when it's the former; it's a real show stopper when it's the latter. But that nightmare doesn't have to happen, especially when you know, first hand, the most common mistakes new Linux administrators make. This article will help you avoid those mistakes by laying out the most typical Linux missteps. If you are new to Linux and want to secure your network with improved Linux Administrator skills, then reading this article would be a good starting point. Read on for more information.

Linux Role in Botnets Studied

Mon, 01 Dec 2008 08:39:07 +0000

LinuxSecurity.com: Researchers at a major security vendor are exploring the extent to which Linux systems - especially servers - are involved in the botnet plague. A six-year old Linux virus is still in circulation, and Sophos suspects the high uptime exhibited by servers (compared with the typical home or office Windows PC that spends much of the day switched off or asleep) makes them valuable to bot-herders as central control points. What do think is the role of Linux in Botnets. This article presents a study on the relationship between Linux and Botnets.

Cyber-Attack on Defense Department Computers Raises Concerns

Fri, 28 Nov 2008 09:12:42 +0000

LinuxSecurity.com: Reporting from Washington -- Senior military leaders took the exceptional step of briefing President Bush this week on a severe and widespread electronic attack on Defense Department computers that may have originated in Russia -- an incursion that posed unusual concern among commanders and raised potential implications for national security. Linux Security and/or World Security? What should be focused? What are your thoughts on this cyber attack after the recent Mumbai attack. This article talks about the cyber security breach on military networks and discuss the software agent.bz for the consequences. Read on for more information.

SE Linux and Decrypted Data

Wed, 26 Nov 2008 08:00:00 +0000

LinuxSecurity.com: There is currently a discussion on the Debian-security mailing list about how to protect data which came from an encrypted file. I was going to skip that one until someone summoned me by mentioning SE Linux.

A "Grey Hat" Guide

Tue, 25 Nov 2008 08:00:00 +0000
LinuxSecurity.com: A computer security researcher who has inadvertently violated the law during the course of her investigation faces a dilemma when thinking about whether to notify a company about a problem she discovered in one of the company's products. By reporting the security flaw, the researcher reveals that she may have committed unlawful activity, which might invite a lawsuit or criminal investigation. On the other hand, withholding information means a potentially serious security flaw may go unremedied. Are you a "Grey Hat"? This article looks at how computer security researcher can be breaking the law even if they are working for the good side.

OpenSSH Speed Tips and Tricks

Mon, 24 Nov 2008 13:30:25 +0000
LinuxSecurity.com: Although using public key authentication instead of passwords is a great method for increasing the security of SSH transfers, transferring SSH identity keys can be a royal pain. First, you create your key pairs; then, you copy the public key into the correct locations on all the machines you want to log into. The keys must be in a particular format, and you must go into the correct directory with the correct permissions. Fortunately, ssh-copy-id, a slick utility included with OpenSSH, makes it easy. This article looks a ways to make using OpenSSH more efficient. Do you have any tips, for using ssh?