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Shared memory error

Issue: Here are the logs from  from the log file when apache stopped working. ################################## [Tue Apr 28 05:01:30 2009] [warn] pid file /usr/local/apache/logs/httpd.pid overwritten — Unclean shutdown of previous Apache run? [Tue Apr 28...

How to find the MySQL slow queries?

MySQL can log the queries which are taking longer than X seconds . This feauture is disabled by default. If you want to enable this option, proceed with the following  steps:- 1) Login to the server via ssh. 2) Open the file /etc/my.cnf and put the following entries:-...

Moodle security fix released

Moodle 1.9.5 and Moodle 1.8.9 – update has been released to patch some security issues. Four serious security vulnerabilities (1 critical, 3 major) have been discovered and fixed recently.   There are no reported exploits yet, and they do not affect all sites,...
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