/var/lib/ureadahead/debugfs/tracing is not accessible

  Nagios check_disk You are monitoring an Unix Ubuntu Server using nagios and the NRPE command « check_disk », and you are blocked on the following error : DISK CRITICAL – /var/lib/ureadahead/debugfs/tracing is not accessible: No such file or directory Simply run the command mountall It may display some errors, like « Device or resource busy »...

juin 22nd, 2017 by Benoit Bonneville 

Mysql 5.7 upgrade too strict

Mysql 5.7 come with a new default settings: the strict mode. This feature replace MySql previous warning by a Fatal error and it will crash your application in many cases : Forgetting to defined default values for your field Trying to set a empty string into a integer field Dividing by 0 … Errors Sample Incorrect integer value: '' for column 'id' at row 1 How to fix In order to disable...

septembre 23rd, 2016 by Benoit Bonneville 

Syslog-ng 3.1.2 sur ubuntu 10.04

Syslog-ng n’est disponible qu’en version 2 sur Ubuntu 10.04. Mais il est possible d’installer la version 3 en respectant le mécanisme de packages, enfin presque … Pourquoi Ubuntu 10.04 LTS. Ubuntu 10.04 sera remplacé par Ubuntu 12.04 le 26 Avril 2012, mais à l’heure ou j’écris ses lignes ce n’est pas le cas. Ubuntu 10.04 LTS (Lucid Lynx) à de toute façon...

avril 14th, 2012 by Benoit Bonneville