After many years of administration of Unix/Linux systems and using bash for many tasks i’ve discovered the command tac, the contrary of cat,
What this command do it’s to concatenate and print files in reverse order, it writes each file to standard output, last line first.
bash$ cat file1.txt This is the line 1. This is the line 2. bash$ tac file1.txt This is the line 2. This is the line 1. |
What is Wine and why is Wine “Not an Emulator”? I use Wine to run a Windows application that is a better fit for my purposes than what’s available for Linux. I couldn’t really answer that question. So I went to the source: WineHQ to look it up.
Wine is not an Emulator like DOSbox is, for example. DOSbox allows you to run DOS applications like old games in a Emulated Environment. What the game or program “sees” is a standard DOS PC with Emulated old hardware with the old graphics cards (Tandy, Hercules, VESA) and antique sound cards like the original SoundBlaster or Gravis Ultra Sound. There are versions of DOSbox for post-DOS Windows (NT and later) and Linux because those old DOS games can’t run on either.
Can Linux be infected by MalWare and is it a big concern? The answer to that question is both Yes and No: Yes, Linux can be Infected and No, it isn’t a big nightmare – yet.
Unless you downloaded the Unreal IRCd (Unreal IRC daemon) and installed it between November 2009 and June 2010 on your Linux server. There was a Trojan downloader in it. A Linux Trojan. See the Softpedia Article
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I’ve recently saw a presentation by Stefano Fratepietro project leader of DEFT Linux, a live CD dedicated to the world of Computer Forensics, among the many interesting things shown in this presentation (expect a test drive Linux DEFT) there was also a small presentation of Xplico , a tool used to analyze a captured network session.
So what’s Xplico ?
From the forensic wiki
The Xplico is a Network Forensic Analysis Tool (NFAT). The main scope of Xplico is to extract all application data content from a network capture (pcap file or real-time acquisition). For example, Xplico is able to extract all e-mails carried by the POP and SMTP protocols, and all content carried by HTTP protocol from a pcap file.
Xplico is released under the GNU General Public License.
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Article
By
Frank Harris-Smith
The GIMP (GNU Image Manipulation Program) is an Open Source Graphic Editing Program. Although it’s not as powerful as Adobe Photoshop, it has one very big advantage over Photoshop – price. Photoshop CS5, the latest and greatest version, is retailing at $500+ American Dollars whereas The GIMP is FREE
So, if it’s not as good as Photoshop, what good is it? It is said that a picture is worth 1,000 words so…
