Ejabberd: failed to start application 'os_mon'

[vanitasvitae]

What version of ejabberd are you using?

Latest ejabberd from master branch

What operating system (version) are you using?

raspbian testing

How did you install ejabberd (source, package, distribution)?

self compile

What did not work as expected? Are there error messages in the log? What
was the unexpected behavior? What was the expected result?

When I start ejabberd via sudo -u ejabberd ejabberdctl start i get the following error:

2018-01-16 16:35:43.503 [notice] <0.79.0>@lager_file_backend:146 Changed loghwm of /usr/local/var/log/ejabberd/error.log to 100
2018-01-16 16:35:43.505 [notice] <0.79.0>@lager_file_backend:146 Changed loghwm of /usr/local/var/log/ejabberd/ejabberd.log to 100
2018-01-16 16:35:43.524 [info] <0.31.0> Application lager started on node ejabberd@localhost
2018-01-16 16:35:43.705 [info] <0.31.0> Application crypto started on node ejabberd@localhost
2018-01-16 16:35:43.813 [info] <0.31.0> Application sasl started on node ejabberd@localhost
2018-01-16 16:35:43.984 [info] <0.31.0> Application asn1 started on node ejabberd@localhost
2018-01-16 16:35:43.988 [info] <0.31.0> Application public_key started on node ejabberd@localhost
2018-01-16 16:35:44.334 [info] <0.31.0> Application ssl started on node ejabberd@localhost
2018-01-16 16:35:44.416 [info] <0.31.0> Application p1_utils started on node ejabberd@localhost
2018-01-16 16:35:44.635 [info] <0.31.0> Application fast_yaml started on node ejabberd@localhost
2018-01-16 16:35:44.939 [info] <0.31.0> Application fast_tls started on node ejabberd@localhost
2018-01-16 16:35:45.198 [info] <0.31.0> Application fast_xml started on node ejabberd@localhost
2018-01-16 16:35:45.303 [info] <0.31.0> Application stringprep started on node ejabberd@localhost
2018-01-16 16:35:45.625 [info] <0.31.0> Application xmpp started on node ejabberd@localhost
2018-01-16 16:35:45.797 [info] <0.31.0> Application cache_tab started on node ejabberd@localhost
2018-01-16 16:35:45.921 [info] <0.31.0> Application eimp started on node ejabberd@localhost
2018-01-16 16:35:45.936 [info] <0.62.0>@ejabberd_config:start:73 Loading configuration from /usr/local/etc/ejabberd/ejabberd.yml
2018-01-16 16:35:57.792 [error] <0.62.0>@ejabberd_config:validate_opts:1035 unknown option 'watchdog_admins' will be likely ignored
2018-01-16 16:36:23.485 [info] <0.31.0> Application mnesia started on node ejabberd@localhost
2018-01-16 16:36:24.102 [critical] <0.62.0>@ejabberd:exit_or_halt:131 failed to start application 'os_mon': {error,
                                       {"no such file or directory",
                                        "os_mon.app"}}

How can I fix that?

[vanitasvitae]

Ah looks like doing a quick sudo apt-get install erlang-os-mon fixed the issue.

[lock[bot]]

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