[xubuntu-users] Howto or Tutorial for systemd to add a network service

Steve Litt slitt at troubleshooters.com
Sat Mar 26 19:38:21 UTC 2016

On Sat, 26 Mar 2016 17:15:08 +0000
Chris Green <cl at isbd.net> wrote:

> I want to add an inetd lookalike service to systemd on my xubuntu
> 15.10 system.  That's a service that will start a server when
> something tries to connect to a specific port.

I do know that one of systemd's reasons for existence is the ability to
postpone running a daemon (httpd for instance) until a listener asks
for it, thereby eliminating the need to run inetd itself. Although I've
never done it, it looks to me like
http://0pointer.de/blog/projects/inetd.html has a simple example for
instantiating one sshd process per connection, without the need for
inetd, involving both a normal service and a systemd socket.

I don't normally use systemd, but the best resource I've found for
understanding it is https://www.youtube.com/watch?v=S9YmaNuvw5U . The
most productive way to watch that video is to pay exquisite attention
to Ben Breard, while ignoring the ramblings of Lennart Poettering.

If you can't get systemd to be a superserver, would it be possible to
start inetd from systemd, and then just use inetd the same way you've
been using it the past 15 years?


Steve Litt 
March 2016 featured book: Quit Joblessness: Start Your Own Business

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