Linux Archives - OiePoie!

Free strong (two factor) authentication using One Time Passwords on your mobile phone

Ewald — Thu, 01 May 2008 22:18:44 +0000

Authentication is the process by which you verify that someone is who they claim they are. In computerland this mostly involves a secret. By using the secret (for instance a password) in the authentication process Alice (there she is again) proves to Bob that she really is Alice since the secret is coupled to her … Continue reading "Free strong (two factor) authentication using One Time Passwords on your mobile phone"

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Oneliner to remove duplicates while maintaining the original order

Ewald — Sat, 12 Jan 2008 14:58:01 +0000

If you have got a list like this: one two one three one two four and you want to remove the duplicates from the list, chances are that you will end up with this result: four one three two Because you are using a command like: sort -u < list.txt or the longer form: cat … Continue reading "Oneliner to remove duplicates while maintaining the original order"

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Gratis online boeken over Linux, Programmeren, Security

Ewald — Fri, 11 Jan 2008 20:56:25 +0000

Eigenlijk is december de maand van de lijstjes, maar ik kwam ergens een lijstje van online Linux boeken tegen, ging op zoek naar andere lijstjes en gratis online boeken en kon het toen toch niet nalaten om een superlijst van gratis boeken te maken. Nu nog een iLiad of een kindle om al dat online … Continue reading "Gratis online boeken over Linux, Programmeren, Security"

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Working with Nikon RAW (.nef) photo’s on Linux

Ewald — Wed, 05 Dec 2007 11:38:18 +0000

If you own a digital SLR (Single Lens Reflex) camera, there comes a time when you want to move to RAW format because it gives you so much more options of processing the photo afterwards. Also the price of memory cards has decreased tremendously, so the extra storage space needed is no reason anymore to … Continue reading "Working with Nikon RAW (.nef) photo’s on Linux"

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completely removing information from an USB stick

Ewald — Wed, 28 Nov 2007 16:15:46 +0000

Perhaps you have seen those movies where a person is questioned about things from the past. Of course he doesn’t remember all those embarrassing things the interrogator wants to know. Then a hypnotherapist is called in and puts the man under hypnosis and all details come pouring out. A USB stick acts the same. If … Continue reading "completely removing information from an USB stick"

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Sniffing Google’s blacklist for firefox

Ewald — Sun, 25 Nov 2007 14:40:05 +0000

Firefox 2 has a new security feature which protects you from entering private data on phishing websites or getting infected with malware on a website which promises you heaven and earth. Protection is done by comparing the website address (URLagainst a so called

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Caught a virus? Trinity to the rescue!

Ewald — Sat, 04 Aug 2007 10:45:35 +0000

Last week we detected some PC’s in the network behaving badly. The were sending a massive amount of ping packets to one host on the Internet, so some sort of DoS (Denial of Service) attack. When we investigated the problem there was nog sign of the culprit at first, also McAfee which was installed and … Continue reading "Caught a virus? Trinity to the rescue!"

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Leadtek Speeding Master GPS on Linux

Ewald — Sun, 15 Jul 2007 12:42:43 +0000

I can’t resist buying gadgets, even when they are of no practical use (and that’s the characteristic of most gadgets) i am drawn to buying it, firing it up, see how it works, peek in it’s insides and after that it mostly ends in a box in my overcrowded hobby room. So when i saw … Continue reading "Leadtek Speeding Master GPS on Linux"

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secure ssh access to your server

Ewald — Sun, 03 Jun 2007 11:30:26 +0000

Every access to your system is a security threat. Let’s focus on ssh (Secure Shell). Even when there is no know security bug for ssh, hackers might have found a way in which they share (or sell) between them and which hasn’t surfaced yet. Even if there is no security bug at all for ssh, … Continue reading "secure ssh access to your server"

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de ultieme hacker toolkit aan je sleutelhanger

Ewald — Wed, 07 Mar 2007 13:29:34 +0000

20080309 update: Deze post gaat over BackTrack 2, ondertussen is BackTrack 3 beta beschikbaar, deze kan veel eenvoudiger op een USB stick geinstalleerd worden, je krijgt bovendien meer tools en de laatste versies: Installing BackTrack 3 on a USB stick In Linux land kennen we al lang de zogenaamde “bootable distributions”, dat is een compleet … Continue reading "de ultieme hacker toolkit aan je sleutelhanger"

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