Add alias

Allow multiple EPMD implementation to be installed and used.

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Limit application capabilities

- Setup uig/gid instead of using root
- Change working directory to an empty one
- Allow access only to /dev/null device
- Separate tmpdir
- Disallow any ned privileges
- Limit number of procs to 1
- Disallow file creation more than 0 byte length

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Always restart application

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Lift number of threads limitation

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Don't install it excplicitly. Let Erlang daemons start it when necessary.

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Add basic tmpfiles config

See theses links for further details:

* http://www.freedesktop.org/software/systemd/man/tmpfiles.d.html
* http://www.freedesktop.org/software/systemd/man/systemd-tmpfiles.html

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Merge pull request #3 from lemenkov/further_systemd_enhancements

Further systemd enhancements