Any idea what might be doing this? Here's the output as regular, and also verbose. 

root@flexo [/home/drupal6]# drush -l example.com dbupdate
The command 'drush dbupdate' could not be found.                     [error]

root@flexo [/home/drupal6]# drush --verbose=2 -l example.com dbupdate
Initialized Drupal 6.13 root directory at /home/drupal6                 [notice]
Initialized Drupal site  at sites/example.com                         [notice]
Undefined index:  SERVER_ADDR                                           [notice]
Undefined index:  SERVER_ADDR                                           [notice]
Undefined index:  SERVER_ADDR                                           [notice]
Undefined index:  SERVER_ADDR                                           [notice]
Undefined index:  driver                                                [notice]
Undefined index:  driver                                                [notice]
Cannot modify header information - headers already sent by (output   [warning]
started at /home/drush/includes/drush.inc:439)
Cannot modify header information - headers already sent by (output   [warning]
started at /home/drush/includes/drush.inc:439)
Drush command could not be completed.                                [error]

Comments

themselves’s picture

themselves commented

and debug... 

drush --debug -l example.com dbupdate         
Drush bootstrap phase : _drush_bootstrap_drupal_root() [0.022 sec]   [bootstrap]
Initialized Drupal 6.13 root directory at /home/drupal6 [0.032 sec]     [notice]
Drush bootstrap phase : _drush_bootstrap_drupal_site() [0.033 sec]   [bootstrap]
Initialized Drupal site  at sites/example.com [0.181 sec]             [notice]
Drush bootstrap phase : _drush_bootstrap_drupal_configuration()      [bootstrap]
[0.183 sec]
Undefined index:  SERVER_ADDR [0.183 sec]                               [notice]
Undefined index:  SERVER_ADDR [0.183 sec]                               [notice]
Undefined index:  SERVER_ADDR [0.183 sec]                               [notice]
Undefined index:  SERVER_ADDR [0.184 sec]                               [notice]
Undefined index:  driver [0.185 sec]                                    [notice]
Undefined index:  driver [0.185 sec]                                    [notice]
PDO support available, but the  driver has not been installed.       [bootstrap]
Assuming success. [0.185 sec]
Drush bootstrap phase : _drush_bootstrap_drupal_database() [0.185    [bootstrap]
sec]
Successfully connected to the Drupal database. [0.186 sec]           [bootstrap]
Cannot modify header information - headers already sent by (output   [warning]
started at /home/drush/includes/drush.inc:439) [0.19 sec]
Cannot modify header information - headers already sent by (output   [warning]
started at /home/drush/includes/drush.inc:439) [0.19 sec]
Drush command could not be completed. [0.19 sec]                     [error]
rsvelko’s picture

rsvelko commented
Status: Active » Fixed

simple :) there is no dbupdate command

Status: Fixed » Closed (fixed)

Automatically closed -- issue fixed for 2 weeks with no activity.