From Fedora Project Wiki
Description
Leave a FreeIPA domain by deconfiguring it locally.
Setup
- Verify that your FreeIPA domain access works. If you don't have a FreeIPA domain, you can set one up.
- Run through the test case to join the domain.
- Verify that you are joined to the domain with the following command
$ realm list
- Make sure you have a
configured: kerberos-member
line in the output. - Note the
login-formats:
line.
- Check that you can resolve domain accounts on the local computer.
- Use the
login-formats
you saw above, to build a remote user name. It will be in the form ofUser@FULL-DOMAIN
, where FULL-DOMAIN is your full FreeIPA domain name (e.g. freeipa.example.com) $ getent passwd 'User@freeipa.example.com'
- Use the
How to test
- Perform the leave command.
$ realm leave freeipa.example.com
- You will be prompted for Policy Kit authorization.
- You will not be prompted for a password.
- This should proceed quickly, not take more that 10 seconds.
- On a successful leave there will be no output.
Expected Results
- Check that the domain is no longer configured.
$ realm list
- Make sure the domain is not listed.
- Check that you cannot resolve domain accounts on the local computer.
$ getent passwd 'User@freeipa.example.com'
- There should be no output.
- Check that there is no machine account for the domain in the keytab.
sudo klist -k
- You should see no lines referring to the domain in the table, or an error message saying that the keytab does not exist.
- If you have console access to a FreeIPA server, you can use the FreeIPA Web UI tool see that the computer account was not deleted.
Troubleshooting
Use the --verbose
argument to see details of what's being done during a leave. Include verbose output in any bug reports.
$ realm leave --verbose freeipa.example.com
Known Issue [Selinux]: You need to turn off selinux to complete the join. Please do:
$ sudo setenforce 0
Please file all realmd AVC's at this bug: https://bugzilla.redhat.com/show_bug.cgi?id=867873
$ sudo grep realmd /var/log/audit/audit.log