Solved Problems

Solutions

Mysql user denied

This seems common and can be fixed by running one of the steps at http://dev.mysql.com/doc/refman/5.0/en/resetting-permissions.html

Mysql unknown instance

This seems to happen sometimes with the following exception:

ProcessExecutionError: None
Command: service mysql restart
Exit code: 1
Stdout: ''
Stderr: 'restart: Unknown instance: \n'

To resolve this the following seems to work:

MYSQL_PKGS=`sudo dpkg --get-selections | grep mysql | cut -f 1`
echo $MYSQL_PKGS
sudo apt-get remove --purge $MYSQL_PKGS

Horizon dead on start

If you get the following (when starting horizon) in ubuntu 11.10:

.: 51: Can't open /etc/apache2/envvars

Run:

APACHE_PKGS=`sudo dpkg --get-selections | grep apache | cut -f 1`
echo $APACHE_PKGS
sudo apt-get remove --purge $APACHE_PKGS

Then stop and uninstall and install to resolve this.

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