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start documenting shell server setup

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Jason Levine 2014-10-08 22:41:17 -04:00
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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
```