Recent Posts

  1. archive old revisions of a git repository

    Archive old revisions of a git repositorySometimes one would like to continue development in a repository but without...

  2. Postgres/WAL-e: delete backups older than date

    Deleting backups older than a particular date with WAL-eWAL-e has the delete before and the delete retain commands to...

  3. PyCon Belarus 2017

    PyCon Belarus 2017This weekend I had the opportunity to attend PyCon Belarus as a speaker. Shout-out to Maya, Dimitri...

  4. Γιατί η δραχμή μας βγάζει από την Ευρωπαϊκή Ένωση

    Υπάρχει η άποψη ότι δεν μπορεί κανείς να μας αναγκάσει να φύγουμε από την Ευρωπαϊκή Ένωση ή από την Ευρωζώνη. Υπάρχει...

  5. Moved blog to Jekyll

    Finally moved the blog to jekyll, hosted on GitHub pagesIt was a long time I wanted to do this, so finally it’s done....

  6. git: shallow clone and sparse checkout of submodule

    If you have a huge repository (in size and in history) and want to add a subfolder to your project as a submodule you...

  7. tmux: synchronize in all windows (not really)

    A neat feature in tmux(1) is the :setw synchronize-panes option, which causes tmux to repeat in all panes the keys ty...

  8. tmux: synchronize in all windows (not really)

    A neat feature in tmux(1) is the :setw synchronize-panes option, which causes tmux to repeat in all panes the keys ty...

  9. Quick'n'dirty ELB healthcheck

    Sometimes you have a service you are running on multiple instances in an AWS autoscaling group, and you want to monit...

  10. keeping your shell connected to an agent

    One of the most annoying things about using an ssh-agent type process is making sure that the environment in your she...

  11. send Graphite output to Slack

    Just a quick recipe to send rendered graphs from Graphite to Slack, using your crontab(5) and Incoming Webhooks:0 5 ...

  12. target a specific host with an ansible playbook

    Sometime you have a playbook that's all like:---- hosts: all...and in your inventory you've got a long list of hosts ...

  13. debugging python objects and fields with gdb

    Sometimes your python code crashes or runs into a deadlock. For this the Python Extension for GDB 7 are very handy. O...

  14. journal entry for Monday the 6th of January

    Hello 2014. Let's see, will I succeed in keeping a journal like I've promised myself many times before? "This time it...

  15. My Linux OS history

    Following Nikos and Vagelis here's a (possibly incomplete) timeline of my personal OS usage:MS-DOS (~1990) , on a 486...

  16. an alternative to subsidising recycling?

    Having just read "Recycling: can it be wrong when it feels so right?" on Cato Unbound , and having laughed at myself ...

  17. vertical preview pane in gmail

    I'm trying out this lab, perhaps late to the party but anyway. I kind of like it, especially the vertical split. My 2...

  18. Thoreau on Facebook

    When Thoreau came inside after swimming naked in the pond, and capturing a frog for dinner, he was surprised to see m...

  19. Simple autoreload for wsgi python apps running in uWSGI

    While developing, it's usefull to have uwsgi autoreload your application. In my case I rsync changed files to the ser...

  20. Φάε το κερασάκι - Eat the Cherry (Αρκάς)

    [scribd id=69872312 key=key-266v6avyjvqysv0jhbci mode=scroll]

  21. unaccountable police - a personal report

    Μπορεί να μην έχω πάει (ακόμα) στο αυτόφωρο, όπως ο Θάνος Δημάδης, έχω όμως και εγώ σχετική προσωπική εμπειρία από το...

  22. forget your failures

    Sometimes we are attached to our failures as much as to our successes. After all, our failures are our own creations ...

  23. Us vs. Him

    David Friedman offers some rational reasons to hope Obama wins, and also discusses the emotional aspect of such valua...

  24. Spell check XML files without VIM syntax problems

    I've been using XMLMind's XML Editor lately to write some documentation in the Docbook XML format. The editor has ver...

  25. Terminology Principles

    Transparency:Can the reader understand what the concept is about by looking at the term?Consistency:Is the new term o...

  26. κυρώσεις και τα μέτρα..

    Αυτός ο νόμος πλήττει αυθαίρετα το εισόδημα των φτωχότερων ανθρώπων που ζουν σε αυτή την χώρα καθώς και των επιχειρήσ...

  27. sed memo: output boilerplate around each line in a file

    Given three files xx0{0,1,2} the following sed script will first output the contents of file xx00 and then for each l...

  28. Siamese Twin-engine Jet

    Την ώρα που όλος ο σοβαρός κόσμος είναι εξοργισμένος με τα αποτελέσματα των εκλογών στο πάλαι ποτέ Σιάμ οι όχι τόσο γ...

  29. The trouble with sectarians

    The trouble with sectarians, whether they be libertarians, Marxists, or world-governmentalists, is that they tend to ...

  30. There is a heavier price to pay

    Πολλοί γνωστοί μου εκθείασαν αυτό το άρθρο με τίτλο "Greece pays a heavy price as eurozone strives to protect its rec...

  31. Chomsky vs Norvig (with the help of O'Reilly)

    Μέσω του Lieberman διάβασα πρόσφατα την κριτική στον Chomsky του Peter Norvig και συστήνω να την διαβάσετε και εσείς....

  32. No news is.. what news?

    Θεωρητικά ισχύει αυτό που βλέπουμε στο Σύνταγμα πρακτικά: η δημιουργία του νέου δεν γίνεται δια επιτροπής. Μια επιτρο...

  33. Heart of Glass (Puppini style)

    [youtube=http://www.youtube.com/watch?v=7NpMR6RiM4k]Heart of Glass by The Puppini Sisters, originally by Blondie

  34. Guitarra Dimelo Tú

    [soundcloud url="http://api.soundcloud.com/tracks/15380427" params="show_comments=false&auto_play=false" width="1...

  35. Swing στον δρόμο - Frankie 95+2 + flash mob

    Πέμπτη 26/05/2011, Ώρα: 20:30Λίγο πριν το τέρμα του πεζόδρομου Ερμού (προς το Γκάζι) κοντά στο αμαξοστάσιο - χάρτης. ...

  36. Night, by Kostas Karyotakis

    [youtube=http://www.youtube.com/watch?v=8eDqkn13Qk0]The kids that play, in the spring duska faraway yell;The wind tha...

  37. Only, by Kostas Karyotakis

    [youtube=http://www.youtube.com/watch?v=cKPbQ7s65ng]Oh, it all had to come about the way it came to beThat hopes and ...

  38. Η Πολυάννα, το γκέτο και ο Έβρος.

    Αφιερωμένο σε όσους, με αφορμή το προηγούμενο σχετικό με τον Έβρο άρθρο, με χαρακτήρισαν Πολυάννα που "αθωώνω" την πα...

  39. LCD Soundsystem - "Someone Great"

    YouTube - LCD Soundsystem - "Someone Great".http://www.youtube.com/watch?v=kaYsczkWti0

  40. Joy of Stats: Hans Rosling's 200 Countries, 200 Years, 4 Minutes

    YouTube - Hans Rosling's 200 Countries, 200 Years, 4 Minutes - The Joy of Stats - BBC Four.http://www.youtube.com/wat...

  41. a wakeup call to deadened urbanites (Steve Paxton)

    [youtube=http://www.youtube.com/watch?v=a82Qy62bUTc&fs=1&hl=en_US]I think that one of the reasons I got involved in d...

  42. how to insert any unicode character over VNC

    Been using GRNET's ViMA service a lot lately and sometimes it happens while using a vm's console via VNC that I need ...

  43. Vote for me!

    Σε αυτές τις εκλογές στον Δήμο Αθηναίων είμαι, ως μέλος της δημοτικής κίνησης «Πορτοκαλί», υποψήφιος με τον συνδυασμό...

  44. You are not alone

    Originally uploaded by Of all the voices in my head

  45. Ου επιστρατεύσεις

    Με αφορμή μια ερώτηση που έγινε σε αυτό το νήμα έκανα κάποιες σκέψεις, που επειδή βγήκαν μακρύτερες απ'ότι θα ταίριαζ...

  46. empathy needed (re: TeacherDudeBBQ)

    Stolen kiss at the KamaraOriginally uploaded by Teacher Dude's BBQTeacherDude's been robbed, again. This is just horr...

  47. Speak No Evolution, Hear No Evolution, See No Evolution

    Speak No Evolution, Hear No Evolution, See No EvolutionOriginally uploaded by darwinsbulldogLove it.. sums it up nice...

  48. Nocturna Soledad

    Nocturna SoledadOriginally uploaded by T. de Ti'm in this picture

  49. a way to track office-suite documents with VCS?

    Nice to hear Sofia's happy with dropbox as a solution for finding the latest version of her dissertation. I was think...

  50. Election blues - ΦιΣ, #deb8, Κ.Ο.Τ.Ε.Σ. και Πειρατές

    Δυστυχώς σε αυτές τις εκλογές δεν συμμετέχει η Φιλελεύθερη Συμμαχία, του οποίου κόμματος είμαι μέλος. Οι λόγοι πολλοί...

  51. Arrest this squash!

    Arrest this squash!Originally uploaded by koukPicture this: shouting in the streets, Immigrant vegetable sellers runn...

  52. The oldest university in the world a madrasah?

    Browsing through a guide book for Poland I came upon the claim that the Cracow Academy is the second oldest universit...

  53. περί δράσεων

    Μέχρι τώρα έχω αποφύγει, όπως και όλοι οι φίλοι στη Φιλελεύθερη Συμμαχία, να εμπλακώ στο κατίνιασμα και στην γκρίνια ...

  54. Vote for me in #eu09

    Greek Liberals BallotOriginally uploaded by koukAs some of you know I am once again electioneering with the Greek Lib...

  55. Horse heads

    Horse headsOriginally uploaded by koukFound in the new Benaki museum.

  56. akadimias vs solonos vs google maps

    Ok, I've heard about map producers incorporating mistakes in their data to identify copies, but this goes too far: [g...

  57. A Poem Beyond Belief

    [caption id="" align="alignright" width="100" caption="The Bad Astronomer"][/caption]I just got to reblog this poem b...

  58. using forward slash in unix filenames

    Ok, I was automating the creation of some ogg files based on title's appearing in a text file. Doing it myself, with ...

  59. Mass/Bulk Follow with py-twitter

    While trying to maintain the Greek Liberals twitter account, specifically trying to follow a bunch of people that I ...

  60. Ada Lovelace Day

    [caption id="" align="alignright" width="200" caption="Ada Lovelace"][/caption]In order to celebrate Ada Lovelace Day...

  61. Italian bloggers call for support

    From Bebe Grillo comes another initiative against the Italian Governments attempts to censor bloggers:Send in your ph...

  62. Athens Airways

    [caption id="attachment_95" align="alignright" width="225" caption="Athens Airways Checkin"][/caption]Today I flew to...

  63. The green cloud

    I subscribe to Bill St. Arnaud's CA*net 4 News mailing list (he's got a blog too). Bill works at CANARIE Inc. which o...

  64. memo: change wordpress domain name

    If you want to move a wordpress.org installation to a new domain these commands are necessary to bring the database u...

  65. Obama is left handed

    Sam Wang, one of the authors of "Welcome to your brain" (Published in greek by AVGO Books), appeared on ABC's Good Mo...

  66. boring proof: pentax optio w60

    After some consideration of my habits, I decided against getting a dSLR (I was between the Olympus e420 and the Nikon...

  67. διαχωρισμός κράτους-εκκλησίαςλαού;

    Πήγα να γράψω άλλο ένα σχόλιο σεντόνι στο post της e-diVa "Το κράτος δεν είναι κάτι έξω από τους πολίτες" αλλά προτίμ...

  68. Tangoimperial.cz

    Back in autumn 2008 I visited Prague to attend a workshop. Beautiful city.In Prague, my friend and colleague Giannis ...

  69. Το the anarchists in the #griots

    No, I don't mean the oportunists that destroyed and pillaged for fun or profit. I'm not about to equate anarchism wit...

  70. A Proper newe Booke of Cokerye

    [caption id="" align="alignright" width="156" caption="Eenen seer schoonen ende excellenten Cocboeck"][/caption]I jus...

  71. upcoming: politics

    I have recently and improbably been involved in politics. Procrastination permitting, this site will see soon contain...

  72. Hello world!

    This is your my first post.