The latest info about eLearning with Chamilo
If you ever face an optimization issue in MySQL or MariaDB and want to know how to measure/benchmark the differences in execution between two queries, you should definitely know about the set profiling=1; command. Here is how it works: mysql>…
We are currently trying out this Fail2Ban rule on one of our server, to block simple (but very upsetting) DOS attacks on Nginx automatically (after 30 seconds). New filter in /etc/fail2ban/filter.d/nginx-dos.conf: # Fail2Ban configuration file # # Generated on Fri…
The manual is perfect for that… http://mercurial.selenic.com/wiki/PruningDeadBranches All you have to do is: hg heads Identify the branch you want to close (get the revision number, let’s say 951) hg update -C 951 hg commit –close-branch -m “This version never…
I searched for this a long time just to find it was very easy to do, so I hope this helps you too. The objective of this short guide is to explain how to build a view in Drupal 7…
Let’s say you got confused by a misleading fake-RAID feature on an HP Blade server and you decided to ignore that the Ubuntu installer was telling you it found 2 disks while it was supposed (if it was actual hardware…
Just as a self reminder, this blog post explains why php-cgi might hang/stop silently when your load increases, and how to fix it, where it explains (in short) that fast-cgi should have the parameter PHP_FCGI_MAX_REQUESTS should equal 1000 or more…
To reset a mailman admin password on Debian, the easiest way is to locate the mailman’s proper bin directory (use dpkg -L mailman), generally: /usr/lib/mailman/bin There, you’ll find an executable script called change_pw. Use this one. If you want to…
I’m a happy user of a Lenovo W500 but I had a very hard time getting anything more than 1h30 battery time, even with a brand new 9-cell battery (this one got me just 1h45 when using low screen brightness…
When building up a new Drupal 6 site now, we always download and enable the following modules to enable WYSIWYG (What You See Is What You Get) edition: wysiwyg we download the ckeditor sources imce imce_wysiwyg Then we: enable wysiwyg,…
