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tilde.club/docs/shellserver.md

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Setting up the tilde.club shell server

We want to document the ins and outs of setting up the server, so that others who're interested can learn (and help!).

System setup

This part is for @ftrain.

Email

The default MTA on CentOS is postfix. Our goal was to have a localhost-only mail service, which required that we configure postfix to listen only to localhost, and to bounce any emails which local users try to send off-server. Both configuration changes are handled in /etc/postfix/main.cf.

  • the inet_interfaces parameter should just be localhost (inet_interfaces = localhost)
  • the default_transport parameter should be the bounce message we want (so add default_transport = error: outside mail is not deliverable to the bottom of the file)

Identd

If users are going to connect from their shell account to an IRC server, then it's very handy to have an identd server running. For us, that just meant installing the standard CentOS identd server, and then configuring it to startup automatically:

sudo apt-get install identd
sudo /etc/init.d/oidentd start
sudo chkconfig oidentd on