Added the following to `conf/custom/myconfig.conf.php`:
```lang=php
<?php
return array(
// ...
'phd.start-daemons' => array(
'PhabricatorTaskmasterDaemon' => 8,
'PhabricatorRepositoryPullLocalDaemon' => array(
array(),
array('X', '--not', 'Y'),
),
'PhabricatorGarbageCollectorDaemon' => 1,
'PhabricatorFactDaemon' => 1,
),
// ...
);
```
Ran `./bin/phd restart` and ensured that the requested daemons were started:
```
> sudo ./bin/phd start
Preparing to launch daemons.
NOTE: Logs will appear in '/mnt/logs/phd/daemons.log'.
Launching daemon "PhabricatorTaskmasterDaemon".
Launching daemon "PhabricatorTaskmasterDaemon".
Launching daemon "PhabricatorTaskmasterDaemon".
Launching daemon "PhabricatorTaskmasterDaemon".
Launching daemon "PhabricatorTaskmasterDaemon".
Launching daemon "PhabricatorTaskmasterDaemon".
Launching daemon "PhabricatorTaskmasterDaemon".
Launching daemon "PhabricatorTaskmasterDaemon".
Launching daemon "PhabricatorRepositoryPullLocalDaemon".
Launching daemon "PhabricatorRepositoryPullLocalDaemon".
Launching daemon "PhabricatorGarbageCollectorDaemon".
Launching daemon "PhabricatorFactDaemon".
Done.
```