huddle@phabricator:~$ phd start
Freeing active task leases...
Freed 0 task lease(s).
Launching daemons:[2018-03-28 16:50:35] EXCEPTION: (Exception) phd requires the directory '/var/tmp/phd/log' to exist, but it does not exist and could not be created. Create this directory or update 'phd.pid-directory' / 'phd.log-directory' in your configuration to point to an existing directory. at [<phabricator/src/applications/daemon/management/PhabricatorDaemonManagementWorkflow.php:29]

huddle@phabricator:~$ config set phd.log-directory /home/huddle/logs/
Set 'phd.log-directory' in local configuration.