[Systems] MySQL timeout execution errors and other errors on wiki.sugarlabs.org in the last ~3 days.

Alex Perez aperez at alexperez.com
Wed Apr 29 20:08:59 EDT 2020

on Sunjammer, we are still running Mediawiki version 1.28.1, released in 
April of 2017. The last release in the 1.28 sequence was 1.28.3, 
released in November of 2017. Sunjammer is running PHP 7.3.6, as 
provided with Ubuntu 16.04, despite the fact that Sunjammer is running 
Ubuntu 18.04, according to 'lsb_release -a'

Over the last few days, we've had quite a few errors:

$grep -i rror 
/var/log/apache2/wiki.sugarlabs.org/wiki.sugarlabs.org-error.log | grep 
-i "Maximum execution time of 30 seconds exceeded" | wc -l
$ grep -i rror wiki.sugarlabs.org-error.log | grep -i "unable to stat" | 
wc -l

20 of these errors are on various lines of 
The remaining fifteen were timeouts in the related 
on line 46

Since this is an old version of MediaWiki, with known vulnerabilities, I 
would like to propose we update it immediately. I am not comfortable 
doing so unilaterally. If anyone is willing to help, and has any level 
of familiarity with how we have deployed MediaWiki in the past, please 
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