Just wanted to share an interesting observation. I had quite some trouble with some programs in Linux playing sound (most programs like vnc working nicely), mainly with kvm but also musescore – it was allways stuttering. For fun I just installed the 3.0.0-2-rt-amd64 kernel and hey, the stuttering is gone!

Will continue to monitor this. Not sure what I lost using the realtime kernel.

 

I have messed up my python system under debian quite often. Today I had to install rpyc for a project — no luck, no debian package.

So, How can I install non-existent python packages in debian in a clean way?

Then answer is simple:

Use pypi-install from the package python-stdeb.

(Found this at http://bogdan.org.ua/2011/02/16/how-to-easily-install-any-pypi-easy_install-python-module-on-debian.html)

I bet this works for Ubuntu too (yes, confirmed it with one of my students)

 
  • User testing + bugfixes + further development
    Hi!

    These are the main keywords for the coming weeks: I am trying to put myself into the end user’s perspective by testing the logging capabilities of the existing search task logger system. Each week I come up with a new expoloratory search task, carry out the testing and report crashes, bugs, new development ideas, etc. What is more, I try and fix more urgent bugs as well. This part (but mainly inventing new exploratory search tasks and generating usage data) serves as the DS Seminar work for this semester. In parallel, I am also trying to pursue new ideas regarding the Search Task Repository and make them a reality.

    So, THIS IS THE FIRST CASE STUDY!!!
    Learning how to become an investor in a stock exchange.

    The data entered explicitly by the user (read: by myself)

    I think that the post-search form needs some more questions such as: “How much did your search objectives change while you did the searching?”. Even better would be making the pre-form modifiable during the search process which can be achieved quite easily. I would just have to store every submission not just the very last one.

    Automatically logged data 
    (Note: here are not the entire logs because they are quite long to be publiched here. However, if you are interested, I can upload them elsewhere.)

    LOG FOR HUMANS

    At 2011-09-29 15:38:40 a user opened http://www.best-stock-trading-systems.com/best-forex-trading-software-charting-platform-top-online-market-reviews.html. The user IP was 127.0.0.1.
    The user came from http://www.best-stock-trading-systems.com/.
    It was 2011-09-29 15:38:40 when the user from 127.0.0.1 moved away from http://www.best-stock-trading-systems.com/best-forex-trading-software-charting-platform-top-online-market-reviews.html.
    At 2011-09-29 15:38:40 a user opened http://www.best-stock-trading-systems.com/. The user IP was 127.0.0.1.
    The user came from http://www.google.ee/url?sa=t&rct=j&q=most%20lucrative%20stock%20markets&source=web&cd=9&ved=0CG4QFjAI&url=http%3A%2F%2Fwww.best-stock-trading-systems.com%2F&ei=EY-EToWIJIjn-gakpeEk&usg=AFQjCNHo86JNs_Jjgl6zjD21g4kdR6_56A.
    It was 2011-09-29 15:38:40 when the user from 127.0.0.1 moved away from http://www.best-stock-trading-systems.com/.
    It was 2011-09-29 15:39:58 when the user from 127.0.0.1 moved away from http://www.google.ee/.
    At 2011-09-29 15:39:58 a user opened http://www.ilikeinvesting.com/. The user IP was 127.0.0.1.
    The user came from http://www.google.ee/url?sa=t&rct=j&q=investing%20money&source=web&cd=3&sqi=2&ved=0CGAQFjAC&url=http%3A%2F%2Fwww.ilikeinvesting.com%2F&ei=SZGETrieHNOxhQe4je3iDA&usg=AFQjCNHYONogtAxVQYM93O_STU6jPGiyEQ.
    It was 2011-09-29 15:40:14 when the user from 127.0.0.1 moved away from http://www.ilikeinvesting.com/.
    It was 2011-09-29 15:40:19 when the user from 127.0.0.1 moved away from http://www.google.ee/.
    At 2011-09-29 15:40:23 a user opened http://financialtools.money.msn.irsws.com/money/widgets/w3mtg.aspx. The user IP was 127.0.0.1.
    The user came from http://money.msn.com/.
    At 2011-09-29 15:40:23 a user opened http://money.msn.com/. The user IP was 127.0.0.1.
    The user came from http://www.google.ee/url?sa=t&rct=j&q=investing%20money&source=web&cd=5&sqi=2&ved=0CHEQFjAE&url=http%3A%2F%2Fmoney.msn.com%2F&ei=SZGETrieHNOxhQe4je3iDA&usg=AFQjCNFU0kudSqfNkt3s1c8pmLPc-NE-Ug.
    It was 2011-09-29 15:40:31 when the user from 127.0.0.1 moved away from http://money.msn.com/.
    It was 2011-09-29 15:40:31 when the user from 127.0.0.1 moved away from http://financialtools.money.msn.irsws.com/money/widgets/w3mtg.aspx.
    At 2011-09-29 15:40:33 a user opened http://www.coveritlive.com/index2.php/option=com_altcaster/task=viewaltcast/altcast_code=5aebdbf3cd/height=385/width=300. The user IP was 127.0.0.1.
    The user came from http://money.msn.com/saving-money/10-lessons-to-steal-from-con-men-thestreet.aspx?cp-documentid=6857175.
    It was 2011-09-29 15:40:36 when the user from 127.0.0.1 moved away from http://money.msn.com/saving-money/10-lessons-to-steal-from-con-men-thestreet.aspx?cp-documentid=6857175.
    It was 2011-09-29 15:40:36 when the user from 127.0.0.1 moved away from http://www.coveritlive.com/index2.php/option=com_altcaster/task=viewaltcast/altcast_code=5aebdbf3cd/height=385/width=300.
    It was 2011-09-29 15:40:36 when the user from 127.0.0.1 moved away from http://financialtools.money.msn.irsws.com/money/widgets/w2.aspx.
    At 2011-09-29 15:40:37 a user opened http://financialtools.money.msn.irsws.com/money/widgets/w3mtg.aspx. The user IP was 127.0.0.1.
    The user came from http://money.msn.com/.
    It was 2011-09-29 15:40:37 when the user from 127.0.0.1 moved away from http://financialtools.money.msn.irsws.com/money/widgets/w3mtg.aspx.
    It was 2011-09-29 15:40:37 when the user from 127.0.0.1 moved away from http://money.msn.com/.
    It was 2011-09-29 15:40:45 when the user from 127.0.0.1 moved away from http://www.google.ee/.
    At 2011-09-29 15:40:47 a user opened http://www.facebook.com/plugins/like.php?app_id=178412055558267&href=http://www.guardian.co.uk/money/2010/may/29/where-invest-money&send=false&layout=button_count&width=140&show_faces=false&action=recommend&colorscheme=light&font=arial&height=21. The user IP was 127.0.0.1.
    The user came from http://www.guardian.co.uk/money/2010/may/29/where-invest-money.
    At 2011-09-29 15:40:47 a user opened http://www.dianomioffers.co.uk/smartads.epl?id=609. The user IP was 127.0.0.1.
    The user came from http://www.guardian.co.uk/money/2010/may/29/where-invest-money.
    At 2011-09-29 15:40:47 a user opened http://www.simplifydigital.co.uk/tools/guardian/articlepages.aspx. The user IP was 127.0.0.1.
    The user came from http://www.guardian.co.uk/money/2010/may/29/where-invest-money.
    At 2011-09-29 15:40:47 a user opened http://www.guardian.co.uk/money/2010/may/29/where-invest-money. The user IP was 127.0.0.1.
    The user came from http://www.google.ee/url?sa=t&rct=j&q=investing%20money&source=web&cd=9&sqi=2&ved=0CJwBEBYwCA&url=http%3A%2F%2Fwww.guardian.co.uk%2Fmoney%2F2010%2Fmay%2F29%2Fwhere-invest-money&ei=SZGETrieHNOxhQe4je3iDA&usg=AFQjCNGfMdQp0ti0ZNTwa3epNN3NuzeioA.

    LOG FOR GEEKS

    ['2011-09-29 15:19:19', '127.0.0.1', 'pageload', 'http://platform.twitter.com/widgets/tweet_button.html']
    ['2011-09-29 15:19:20', '127.0.0.1', 'pageload', 'http://static.ak.fbcdn.net/connect/xd_proxy.php?version=3']
    ['2011-09-29 15:19:36', '127.0.0.1', 'pageunload', 'http://www.ehow.com/how_5135_become-stockbroker.html', 'http://www.google.ee/url?sa=t&rct=j&q=stock%20broker%20training&source=web&cd=1&sqi=2&ved=0CC0QFjAA&url=http%3A%2F%2Fwww.ehow.com%2Fhow_5135_become-stockbroker.html&ei=cIyETtj2DsrpOer7kNUB&usg=AFQjCNEE5ujqoRu7jgqdhMxdrivtI2JkGA']
    ['2011-09-29 15:19:36', '127.0.0.1', 'pageunload', 'http://www.ehow.com/media/ad.html?divId=DartAd_374977&w=990&ad=http%3A//ad.doubleclick.net/adj/dmd.ehow/careers%3Bcat%3Dcareerswork%3Bscat%3Dcareers%3Bsscat%3Dfinancejobs%3Bart%3D5135%3Bvid%3D0%3Bctype%3Darticles%3Bugc%3D0%3Blvl%3D4%3Bsz%3D990x90%2C728x90%3Bdx%3D10446%3Bdx%3D10406%3Bu%3Dcat-careerswork_scat-careers_sscat-financejobs_art-5135_dmd-05BA5153-4DDE-451A-A2C4-714BD0CA0244%3Btile%3D2%3Bord%3D2362071231035%3F', 'http://www.ehow.com/how_5135_become-stockbroker.html']
    ['2011-09-29 15:19:36', '127.0.0.1', 'pageunload', 'http://www.ehow.com/media/ad.html?divId=DartAd_7421339&w=300&ad=http%3A//ad.doubleclick.net/adj/dmd.ehow/careers%3Bcat%3Dcareerswork%3Bscat%3Dcareers%3Bsscat%3Dfinancejobs%3Bart%3D5135%3Bvid%3D0%3Bctype%3Darticles%3Bugc%3D0%3Blvl%3D4%3Bsz%3D300x250%2C300x600%3Bdx%3D10446%3Bdx%3D10406%3Bu%3Dcat-careerswork_scat-careers_sscat-financejobs_art-5135_dmd-05BA5153-4DDE-451A-A2C4-714BD0CA0244%3Btile%3D2%3Bord%3D2362071231035%3F', 'http://www.ehow.com/how_5135_become-stockbroker.html']
    ['2011-09-29 15:19:36', '127.0.0.1', 'pageunload', 'http://platform.twitter.com/widgets/tweet_button.html']
    ['2011-09-29 15:19:36', '127.0.0.1', 'pageunload', 'http://fast.dm.demdex.net/DSD-gz/dm-dest.html?', 'http://www.ehow.com/how_5135_become-stockbroker.html']
    ['2011-09-29 15:19:36', '127.0.0.1', 'pageunload', 'http://www.facebook.com/plugins/like.php?api_key=63203377906&channel_url=http%3A%2F%2Fstatic.ak.fbcdn.net%2Fconnect%2Fxd_proxy.php%3Fversion%3D3%23cb%3Df30eefd2d6ffc42%26origin%3Dhttp%253A%252F%252Fwww.ehow.com%252Ff1efccd69b660c%26relation%3Dparent.parent%26transport%3Dpostmessage&extended_social_context=false&font=arial&href=http%3A%2F%2Fwww.ehow.com%2Fhow_5135_become-stockbroker.html&layout=button_count&locale=en_US&node_type=link&ref=like&sdk=joey&send=true&show_faces=false&width=150', 'http://www.ehow.com/how_5135_become-stockbroker.html']
    ['2011-09-29 15:19:36', '127.0.0.1', 'pageunload', 'http://www.facebook.com/plugins/likebox.php?api_key=63203377906&channel=http%3A%2F%2Fstatic.ak.fbcdn.net%2Fconnect%2Fxd_proxy.php%3Fversion%3D3%23cb%3Dfd7c12c9714096%26origin%3Dhttp%253A%252F%252Fwww.ehow.com%252Ff1efccd69b660c%26relation%3Dparent.parent%26transport%3Dpostmessage&colorscheme=light&header=true&height=62&href=http%3A%2F%2Fwww.facebook.com%2Fehow&locale=en_US&sdk=joey&show_faces=false&stream=false&width=265', 'http://www.ehow.com/how_5135_become-stockbroker.html']
    ['2011-09-29 15:19:36', '127.0.0.1', 'pageunload', 'http://www.facebook.com/plugins/like.php?api_key=63203377906&channel_url=http%3A%2F%2Fstatic.ak.fbcdn.net%2Fconnect%2Fxd_proxy.php%3Fversion%3D3%23cb%3Df10a684606003ea%26origin%3Dhttp%253A%252F%252Fwww.ehow.com%252Ff1efccd69b660c%26relation%3Dparent.parent%26transport%3Dpostmessage&extended_social_context=false&font=arial&href=http%3A%2F%2Fwww.ehow.com%2Fhow_5135_become-stockbroker.html&layout=button_count&locale=en_US&node_type=link&ref=like&sdk=joey&send=true&show_faces=false&width=150', 'http://www.ehow.com/how_5135_become-stockbroker.html']
    ['2011-09-29 15:19:36', '127.0.0.1', 'pageunload', 'http://platform.twitter.com/widgets/tweet_button.html']
    ['2011-09-29 15:19:37', '127.0.0.1', 'pageload', 'http://www.google.ee/']
    ['2011-09-29 15:19:58', '127.0.0.1', 'pageunload', 'http://www.google.ee/']
    ['2011-09-29 15:19:59', '127.0.0.1', 'pageload', 'http://www.amazon.com/Investing-Dummies-Eric-Tyson/dp/047090545X', 'http://www.google.ee/url?sa=t&rct=j&q=investing%20for%20dummies&source=web&cd=1&sqi=2&ved=0CDgQFjAA&url=http%3A%2F%2Fwww.amazon.com%2FInvesting-Dummies-Eric-Tyson%2Fdp%2F047090545X&ei=moyETtXRDYK2hQeR-4DxDA&usg=AFQjCNE87PjWkbsRWMjLIRLdGKtORH1kQg']
    ['2011-09-29 15:20:06', '127.0.0.1', 'pageunload', 'http://www.amazon.com/Investing-Dummies-Eric-Tyson/dp/047090545X', 'http://www.google.ee/url?sa=t&rct=j&q=investing%20for%20dummies&source=web&cd=1&sqi=2&ved=0CDgQFjAA&url=http%3A%2F%2Fwww.amazon.com%2FInvesting-Dummies-Eric-Tyson%2Fdp%2F047090545X&ei=moyETtXRDYK2hQeR-4DxDA&usg=AFQjCNE87PjWkbsRWMjLIRLdGKtORH1kQg']
    ['2011-09-29 15:20:07', '127.0.0.1', 'pageload', 'http://www.amazon.com/gp/reader/047090545X/ref=sib_dp_pt']
    ['2011-09-29 15:22:29', '127.0.0.1', 'pageunload', 'http://www.amazon.com/gp/reader/047090545X/ref=sib_dp_pt']
    ['2011-09-29 15:22:29', '127.0.0.1', 'pageload', 'http://www.amazon.com/Investing-Dummies-Eric-Tyson/dp/047090545X', 'http://www.google.ee/url?sa=t&rct=j&q=investing%20for%20dummies&source=web&cd=1&sqi=2&ved=0CDgQFjAA&url=http%3A%2F%2Fwww.amazon.com%2FInvesting-Dummies-Eric-Tyson%2Fdp%2F047090545X&ei=moyETtXRDYK2hQeR-4DxDA&usg=AFQjCNE87PjWkbsRWMjLIRLdGKtORH1kQg']
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    ['2011-09-29 15:22:30', '127.0.0.1', 'pageload', 'http://www.google.ee/']
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    ['2011-09-29 15:22:35', '127.0.0.1', 'pageload', 'http://www.dummies.com/how-to/personal-finance/investing.html', 'http://www.google.ee/url?sa=t&rct=j&q=investing%20for%20dummies&source=web&cd=2&ved=0CEAQFjAB&url=http%3A%2F%2Fwww.dummies.com%2Fhow-to%2Fpersonal-finance%2Finvesting.html&ei=No2ETpPTLsnAhAf1nbH2DA&usg=AFQjCNEm-bwJsHaVqBB4luxHQW7q2XTtfQ']
    ['2011-09-29 15:22:38', '127.0.0.1', 'pageunload', 'http://www.dummies.com/how-to/personal-finance/investing.html', 'http://www.google.ee/url?sa=t&rct=j&q=investing%20for%20dummies&source=web&cd=2&ved=0CEAQFjAB&url=http%3A%2F%2Fwww.dummies.com%2Fhow-to%2Fpersonal-finance%2Finvesting.html&ei=No2ETpPTLsnAhAf1nbH2DA&usg=AFQjCNEm-bwJsHaVqBB4luxHQW7q2XTtfQ']
    ['2011-09-29 15:22:38', '127.0.0.1', 'pageload', 'http://www.google.ee/']
    ['2011-09-29 15:22:49', '127.0.0.1', 'pageunload', 'http://www.google.ee/']
    ['2011-09-29 15:22:51', '127.0.0.1', 'pageload', 'http://www.dummies.com/store/Business-Investing-Careers/Personal-Finance-Investments/Investing.html', 'http://www.google.ee/url?sa=t&rct=j&q=investing%20for%20dummies&source=web&cd=3&ved=0CEgQFjAC&url=http%3A%2F%2Fwww.dummies.com%2Fstore%2FBusiness-Investing-Careers%2FPersonal-Finance-Investments%2FInvesting.html&ei=No2ETpPTLsnAhAf1nbH2DA&usg=AFQjCNHRENPT-DgbHNL_ZjvMLJizByLZiw']
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    ['2011-09-29 15:22:55', '127.0.0.1', 'pageload', 'http://s7.addthis.com/static/r07/sh56.html']
    ['2011-09-29 15:22:56', '127.0.0.1', 'pageload', 'http://www.dummies.com/store/product/Candlestick-Charting-For-Dummies.productCd-0470178086.html', 'http://www.dummies.com/store/Business-Investing-Careers/Personal-Finance-Investments/Investing.html']
    ['2011-09-29 15:23:00', '127.0.0.1', 'pageunload', 'http://www.dummies.com/store/product/Candlestick-Charting-For-Dummies.productCd-0470178086.html', 'http://www.dummies.com/store/Business-Investing-Careers/Personal-Finance-Investments/Investing.html']
    ['2011-09-29 15:23:00', '127.0.0.1', 'pageunload', 'http://s7.addthis.com/static/r07/sh56.html']
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    ['2011-09-29 15:23:02', '127.0.0.1', 'pageunload', 'http://www.dummies.com/store/Business-Investing-Careers/Personal-Finance-Investments/Investing.html', 'http://www.google.ee/url?sa=t&rct=j&q=investing%20for%20dummies&source=web&cd=3&ved=0CEgQFjAC&url=http%3A%2F%2Fwww.dummies.com%2Fstore%2FBusiness-Investing-Careers%2FPersonal-Finance-Investments%2FInvesting.html&ei=No2ETpPTLsnAhAf1nbH2DA&usg=AFQjCNHRENPT-DgbHNL_ZjvMLJizByLZiw']
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    ['2011-09-29 15:23:07', '127.0.0.1', 'pageload', 'http://www.buzzle.com/articles/beginner-stock-market-investing-dummies.html', 'http://www.google.ee/url?sa=t&rct=j&q=investing%20for%20dummies&source=web&cd=6&ved=0CGUQFjAF&url=http%3A%2F%2Fwww.buzzle.com%2Farticles%2Fbeginner-stock-market-investing-dummies.html&ei=No2ETpPTLsnAhAf1nbH2DA&usg=AFQjCNEhwdO6agnvekEFRxxHVGHuE2nRlQ']
    ['2011-09-29 15:24:02', '127.0.0.1', 'pageunload', 'http://www.buzzle.com/articles/beginner-stock-market-investing-dummies.html', 'http://www.google.ee/url?sa=t&rct=j&q=investing%20for%20dummies&source=web&cd=6&ved=0CGUQFjAF&url=http%3A%2F%2Fwww.buzzle.com%2Farticles%2Fbeginner-stock-market-investing-dummies.html&ei=No2ETpPTLsnAhAf1nbH2DA&usg=AFQjCNEhwdO6agnvekEFRxxHVGHuE2nRlQ']
    ['2011-09-29 15:24:02', '127.0.0.1', 'pageload', 'http://www.google.ee/']
    ['2011-09-29 15:24:23', '127.0.0.1', 'pageunload', 'http://www.google.ee/']
    ['2011-09-29 15:24:25', '127.0.0.1', 'pageload', 'http://www.investopedia.com/controls/top_nav/HeaderFreeNewsletters.aspx', 'http://www.investopedia.com/ask/answers/08/minimum-amounts-of-money-to-start-trading.asp']
    ['2011-09-29 15:24:25', '127.0.0.1', 'pageload', 'http://www.investopedia.com/controls/top_nav/login_header_nd.aspx', 'http://www.investopedia.com/ask/answers/08/minimum-amounts-of-money-to-start-trading.asp']
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    Problems encountered:

    * Logger crashed (log included)!
    * User cannot write down the answer in the post-task form -> solution: add a textarea.
    * Amazon “Look Inside” feature does not work!
    * Side-videos on Youtube do not show up.
    * Copy-paste detection would be nice because this can point to relevant information on web pages.
    * Bookmarking would also help to detect relevant stuff for the same reason.
    * Black list ads in Privoxy!
    * onSubmit, onClick should be also logged.

    All for now, thank you for reading.

 

Due to Skype's ever lasting bad Linux support and various crashes, I started to look for an alternative. I do give Skype credit, they try to take a lot of effort from the user to get things running. I toyed a bit around with jingle from jabber, but with not much success, neither Pidgin nor Empathy get the communication over Jingle right. However, I was pretty often (sadly not always – but I have to admit there were some pretty tough firewalls, I tried it with) successful with Jitsi. Yes, I should have tried this earlier as I was google-mentor for sip-communicator, Jitsi's predecessor, several times. Ok, Jitsi, I am back as one of your loyal supporters.

Even with the problems with the firewalls, I mentioned before, I had a lot of success using just the SIP-protocol, not jabber/jingle ( I used a free account from iptel.org for testing). Great video and voice!

With SIP, I also could easily connect to linphone (lots of trouble with ekiga though).

So my advice for you Linux users (and others who are unhappy with Skype) is: ditch Skype (or only use it on demand), get a jabber (or googletalk – you have this already, if you use googel mail) or sip-account and start using Jitsi. If you have a very small machine (Jitsi can be sometimes a little heavy on your resources – however, if you have used Skype before – do you actually care?), I suggest using linphone with a SIP-account (harder to set-up though).

A nice plus of Jitsi is also the option to share your desktop and be remotley controlled (in contrast to Skype, where you can only show your desktop). Native OTR and ZRTP (encryption of your chats and calls — like in Skype, but with an open protocol) support is another plus. Also multi-platform ability, making your (Windows or Mac) family memebrs use Jitsi and still being connected to them is an another additional benefit.

 

Some Videos, I was watching in flashplayer under Linux behaved a little weird and had distorted sound with some beeping. Basically the sound was understandable but heavily distorted. An Internet search revealed that it has todo with some obsoleted use of memcpy in flashplayer.

 

I found the solution in this thread:

http://forums.debian.net/viewtopic.php?f=6&t=64174

 

Basically, it's enough to start iceweasel (or your favorite browser) as t=following:

LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libc/memcpy-preload.so iceweasel

or you can create /etc/ld.so.preload with /usr/lib/x86_64-linux-gnu/libc/memcpy-preload.so as content.

 

Hope this helps one of you.

 

Best,

Ulno

 
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Not much recently on my Blog – yep I know, it’s summer!

Here just discovered for you some ultimate toy built in LEGO. Now it would be great, if you could buy this prepackaged in a box.

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