Benoit Bonneville – Mémento Web

/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 »...

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...

LetsEncrypt is currently unsecure

LetsEncrypt (LE) permet la délivrance de certificats gratuits, c’est une révolution pour le web. Problème: Les certificats générés sont lisible par tout utilisateur du system unix lors de la génération automatique. Actuellement sur letsencrypt 0.4.2 Récapitulatif sur son le fonctionnement Installation : git clone https://github.com/letsencrypt/letsencrypt /opt/letsencrypt /opt/letsencrypt/letsencrypt-auto Puis...