9. Common Problems and Troubleshooting NIS
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Here are some common problems reported by various users:
- The libraries for 4.5.19 are broken. NIS won't work with it.
- If you upgrade the libraries from 4.5.19 to 4.5.24 then the
su command breaks. You need to get the su command from the
slackware 1.2.0 distribution. Incidentally that's where you
can get the updated libraries.
- You could run into trouble with NIS and DNS on the same machine.
My DNS server occasionally will not bring up NIS. Haven't yet
tracked down why.
- When a NIS server goes down and comes up again ypbind starts
complaining with messages like:
yp_match: clnt_call:
RPC: Unable to receive; errno = Connection refused
and logins are refused for those who are registered in the
NIS database. Try to login as root and if you succeed, then kill
ypbind and start it up again.
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