Matwey Kornilov 73328e658a Accepting request 596506 from home:matwey:branches:devel:languages:erlang:Factory
- Update to 20.3.2
 * ssl: Added new API functions to facilitate cipher suite handling
 * erts, observer: More crash dump info such as: process binary
   virtual heap stats, full info for process causing out-of-mem
   during GC, more port related info, and dirty scheduler info.
 * inets: Add support for unix domain sockets in the http client.

OBS-URL: https://build.opensuse.org/request/show/596506
OBS-URL: https://build.opensuse.org/package/show/devel:languages:erlang:Factory/erlang?expand=0&rev=61
2018-04-16 17:53:28 +00:00
2012-12-03 23:33:33 +00:00

# Erlang in openSUSE
## Erlang Port-mapper Daemon and systemd

Erlang Port-mapper Daemon in openSUSE uses systemd socket-activation. In order to fulfill security considerations, EPMd listens on loop-back interface by default. This is enough to run rabbitmq-server, ejabberd and user-started beam processes.

For clustering, please, use ```/etc/systemd/system/epmd.socket.d/``` to configure interfaces to listen on. See man systemd.unit(5) for details.

### Upgrading from sysvinit
```/etc/sysconfig/erlang``` has no effect now, to configure EPMd use systemd capabilities instead.

### Example 1: change port
Create ```/etc/systemd/system/epmd.socket.d/port.conf``` with following content:
```
[Socket]
ListenStream=
ListenStream=127.0.0.1:4444
```
The first line is to discard vendor configuration. The second line will change the port number to listen on to 4444.

### Example 2: enable external interface
To enable accepting external connections to EPMd, create ```/etc/systemd/system/epmd.socket.d/port.conf``` with following content:
```
[Socket]
ListenStream=0.0.0.0:4369
```
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