Archive for January, 2008

Intel Releases LatencyTop 0.1

The Intel Open Source Technology Center is pleased to announce the release of version 0.1 of LatencyTOP, a tool for developers to visualize system latencies. Slow servers, skipping audio, jerky video – everyone knows the symptoms of latency. But to know what’s really going on in the system, what’s causing the latency, and how to fix it… Those are difficult questions without good answers right now. LatencyTOP is a Linux tool for software developers (both kernel and userspace), aimed at identifying where system latency occurs, and what kind of operation/action is causing the latency to happen. By identifying this, developers can then change the code to avoid the worst latency hiccups.

LatencyTOP is a Linux tool for software developers (both kernel and userspace), aimed at identifying where system latency occurs, and what kind of operation/action is causing the latency to happen. By identifying this, developers can then change the code to avoid the worst latency hiccups.

There are many types and causes of latency, and LatencyTOP focus on type that causes audio skipping and desktop stutters. Specifically, LatencyTOP focuses on the cases where the applications want to run and execute useful code, but there’s some resource that’s not currently available (and the kernel then blocks the process). This is done both on a system level and on a per process level, so that you can see what’s happening to the system, and which process is suffering and/or causing the delays.

I have used PowerTop from Intel to optimize my laptop’s battery time. PowerTop is really a great tool to identify wasted CPU cycles and unnecessary wake ups, and it is a great contribution from Intel to Linux and the open source community.

And now they (with Arjan van de Ven in front, a long time Linux kernel contributor) releases this LatencyTop, which also got a great potential to improve the user experience and usability for Linux users and coming users.

Arjan van de Ven and Intel thank you for a great Linux tool.

Read more at latencytop.org.

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Howto Hack a Wireless WEP Network

It is fairly easy to crack a WEP encrypted wireless network. Infact the WEP encryption has some serious flaws in its design, flaws that make it easy and fast to crack or hack using a plain Linux distribution.

read more | digg story

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Crash Internet Explorer

While browsing, I came across a weird site called CrashIE.com which is designed to crash Internet Explorer.

A single line of code is embedded in CrashIE which results in crashing most of the versions of IE. The main motive of this site is to encourage people to use other browsers like Firefox and Opera and discourage using IE.

Use it to prank your friends ;)

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Comments (3)

Top BitTorrent Search Engines

Bittorrent Logo

From time to time torrent-files are hard to find, but since I often search for bittorrent-files I have created this
list with the must used and top ranked torrent search engines available on the net.

  1. IsoHunt.com
  2. BTbot.com
  3. TorrentSpy.com
  4. HyperTorrent.com
  5. JabberWalker
  6. Torrentz.com

Feel free to leave a comment if you know an
other great torrent search engine. I’ll try to keep the list updated with the best and greatest – and perhaps I’ll add some sort of rating.

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Comments (3)

Sun acquires MySQL

MySQL was recently named a top IPO for 2008 by CNNMoney.com, but Sun came ahead. It will be interesting to see in what direction Sun will drive MySQL.

MySQL Logo

About MySQL

MySQL is the leading open-source database company on the planet. Its software might not have the bells and whistles of Oracle 11, but it also comes at a much cheaper price. According to the venture capitalist lunch chatter, MySQL is expected to file very soon.

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Comments

Must Have Windows Software

  • 7-Zip file archiver – et lækkert hurtigt og effektivt pakkeprogra
    m. Understøtter følgende anerkendte og anvendte pakkeformater; 7z, ZIP, GZIP, BZIP2, TAR, RAR, CAB, ISO, ARJ, LZH, CHM, MSI, WIM, Z, CPIO, RPM, DEB og NSIS.
  • InfraRecorder – brugervenligt letvægts brænderprogram til CD / DVD / HD DVD / Blu-ray. Understøtte ogsÃ¥ at lave mp3er om til musik-cder.
  • Ares – Nemt og super brugervenligt program til at hente musik og film.
  • VLC Player – Den bedste og mest brugervenlige film og video-afspiller.
  • Launchy – En sÃ¥kaldt key-stroke launcher. Gør det smart og nemt at starte programmer i windows.
  • Paint.NET – Godt og hurtigt fotobehandlingsprogram. Smartere og mere brugervenligt end Adobe Photoshop – efter min vurdering ;)
  • PDFCreator – Nem og hurtig program til at lave PDF-filer med. Virker ved, at man fÃ¥r en virtuel-PDF-printer, som man sÃ¥ printer til akkurat som en almindelig printer, man fÃ¥r bare en PDF-fil ud i stedet.
  • Notepad++ – Dejlig og hurtig editor til tekst og diverse programmeringssprog.
  • uTorrent – Bittorrent-klient, der anvendes til at hente film, programmer og musik-albums fra nettet. – sagerne kan oftes findes her pÃ¥ thepiratebay.org eller her pÃ¥ torrentz.com.
  • Moon Secure Antivirus – Godt og sikkert antivirus-program.
  • GnuCash – Brugervenligt og gratis regnskabsprogram – overholder de gængse standarder, krav og findes i en god dansk udgave.
  • Firefox – Hurtig og brugervenlig browser-program med høj sikkerhed.
  • Picasa – Nemt og enkelt program til hÃ¥ndtering af billedalbums.
  • iTunes – super duper program til mp3′er og podcasts.
  • VirtualBox – let og hurtig virtuel maskine som kan anvendes til at teste linux-distributioner og til at installere windows inde i en anden windows ;) – fancy, fancy og ganske anvendeligt.
  • KeePass Password Safe – nem og enkel password manager – ganske anvendlig, nÃ¥r man har opgivet at huske det skidt.
  • UltraDefrag – lille program som rydder op og organiserer filerne pÃ¥ en hver harddisk med Windows. Windows har nemlig en forbandet evne til at svine med diskpladsen og distribuere fil-indhold udover store pÃ¥ omrÃ¥der pÃ¥ disken, og det gør maskinen langsom at arbejde pÃ¥. Dette lille program gør imidlertid kÃ¥l pÃ¥ Windows’s disk-svineri ;)
  • HomeBank – lille program til personlige regnskaber og visualisering af forbrugsfordelinger.
  • OpenOffice – komplet kontorpakke, der indeholder følgende moduler:
    * Tekstbehandling og websideredigering med Writer.
    * Regneark med Calc.
    * Præsentationer med Impress.
    * Lækre vektorbaserede tegninger og diagrammer med Draw.
    * Formelredigering med Math.
    * Databaser med Base.
  • Inkscape – Tegneprogram til at tegne vektorbaserede tegninger (logoer og den slags ting) i.
  • Scribus – Lækkert DTP-program til opsætning af brochurer, kataloger, rapporter, artikler osv.

Mere software, eksempelvis til kemi eller statistik osv. se denne liste med programmer på wikipedia eller denne liste:

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Vulnerability: Microsoft Excel 2000 and 2003 exploit

Microsoft Excel is prone to a remote code execution issue which may be triggered when a
malformed Excel document is opened. The issue is due to an error in Excel while handling malformed URL strings. there may be other ways to tri
gger this vulnerability, successful exploitation could allow an attacker to execute arbitrary code with the privileges of the user running Excel.

Security focus info entry.

A proof-of-concept Excel file is available here.

Convet the HTML-encoded exploit c and assembly-code into something sane using this:

$ cat excel-rce-nsrocket.txt | perl -pe 'use HTML::Entities; $_=HTML::Entities::decode($_);' > excel-rce-nsrocket.c

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Comments

At healthcare appli cation vendor, a migration to GNU/Linux

“We have a traditional IT department that is more focused on the hardware, deployments, and networking and such. In my previous experience, that
‘s where most of the open source system knowledge resided. Now, our development community is almost as knowledgeable and in some ways is more knowledgeable than the traditional IT department…”
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read more | digg story

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