Leszek Krupiński

@leafnode

PHP architect, speaker, consultant, programmer.

Warsaw, Poland
about.me/leafnode
Joined June 2008
137 Photos and videos Photos and videos

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  1. Retweeted
    Jun 6

    Pierwszy odcinek i pierwszy temat, wystąpienia publiczne. Czyli o tym, jak wyjść na scenę i dać radę!

    2 retweets 6 likes
  2. Retweeted
    Jun 5

    First episode of our ( and me) is online! Visit for more, but sorry, PL version only…

    3 replies 17 retweets 30 likes
  3. May 13

    So many possibilities! From Denial of Salt to Salt Overflow.

    Device can be hacked to kill people by dispensing 2 lbs of salt per serving. Black Hat talk coming, pls don't steal.
    1 reply 1 like
  4. May 11

    Whole-day remote camp on appsec for PHP developers

  5. May 11

    Amazon trounces rivals in battle of the shopping 'bots' via

    1 like
  6. May 2

    “How we fine-tuned HAProxy to achieve 2,000,000 concurrent SSL connections” by

    1 like
  7. Apr 25

    "Process Incoming Mail with PHP Script with Exim"

    1 reply 2 likes
  8. Apr 18

    Timeline: viewing a request's resources consumption over time via

  9. Apr 18

    If you need fake SMTP server/MTA for testing applications, try MailHog: single executable with web interface

    1 like
  10. Apr 14

    List of changes in the upcoming PostgreSQL 10 is impressive

    2 retweets 4 likes
  11. Apr 14

    Ansible 2.3 has been released, and it has single-var vaults - yay!

    2 likes
  12. Apr 13

    We've updated the radios and checkboxes on GOV.UK

  13. Apr 12

    Lessons From The History Of Attacks On Secure Hash Functions

  14. Apr 6

    For Mac users with large screens - Magnet is discounted 80% on

  15. Apr 3

    Slides from my presentation “So that the daemon won’t die: Long running processes and PHP”

    4 retweets 9 likes
  16. Mar 30

    It's been years since 2010 but this brain from is by far the best conference gadget I've got.

    2 retweets 5 likes
  17. Retweeted
    Mar 28

    "no feigning surprise" (from the wonderful manual: )

    a summary of the "no feigning surprise" rule from http://recurse.com/manual
    60 replies 2,179 retweets 3,172 likes
  18. Mar 27

    I've just set up a SSH bastion.

  19. Mar 26

    14,766 Let's Encrypt SSL Certificates Issued to PayPal Phishing Sites

    2 retweets 1 like
  20. Mar 24

    Why American Farmers Are Hacking Their Tractors With Ukrainian Firmware via

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