Comment 7 for bug 611948

Thanks for your report.

The relevant error is
---
Setting up webgui (7.7.30-1) ...
Installing new version of config file /etc/webgui/spectre.conf ...
Installing new version of config file /etc/webgui/webgui.conf ...
Installing new version of config file /etc/webgui/preload.custom ...
Installing new version of config file /etc/init.d/webgui ...
Installing new version of config file /etc/logrotate.d/webgui ...
 * WebGUI's Spectre daemon disabled in /etc/default/webgui
   ...done.
 * Restarting web server apache2
apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName
 ... waiting apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName
   ...done.

Getting site configs...
 Processing webgui.conf.
DBI connect('database=webguidb;host=localhost','webgui',...) failed: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) at /usr/share/webgui/lib/WebGUI/SQL.pm line 423
DBI connect('database=webguidb;host=localhost','webgui',...) failed: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) at /usr/share/webgui/lib/WebGUI/SQL.pm line 423
<h1>Fatal Internal Error</h1>Label not found for "last WEBGUI_FATAL" at /usr/share/webgui/lib/WebGUI/Session/ErrorHandler.pm line 252.
dpkg: error processing webgui (--configure):
 subprocess installed post-installation script returned error exit status 255

Affecting to webgui