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Hi there, I am experiencing a weird problem with ssh.
Most of users here use the passwordless login mode when using ssh. However, after upgrading from RH9 to FC2, some of them are unable to keep login in such a way.
As root, I su - to such users, and did some test, using ssh -v -v <server> from the client, and starting sshd -d -d in the server, and find out that for such users, the following occurred
debug1: Authentications that can continue: publickey,password,keyboard-interactive
debug1: Next authentication method: publickey
debug1: Trying private key: /home/german/.ssh/identity
debug1: Trying private key: /home/german/.ssh/id_rsa
debug1: Offering public key: /home/german/.ssh/id_dsa
debug2: we sent a publickey packet, wait for reply
Connection closed by 18.104.22.168
debug1: Calling cleanup 0x8062d00(0x0)
and in the server
debug2: input_userauth_request: try method publickey
debug1: test whether pkalg/pkblob are acceptable
debug1: PAM setting rhost to "r2d7.dia.fi.upm.es"
debug2: monitor_read: 41 used once, disabling now
debug2: monitor_read: 3 used once, disabling now
debug1: temporarily_use_uid: 1007/109 (e=0/0)
getgroups: Invalid argument
debug1: Calling cleanup 0x8063d50(0x0)
debug1: Calling cleanup 0x806f3f0(0x0)
So apparently, there is a problem when doing getgroups(). This problem is not present for other users though...
I have been googling for an answer to this problem, no luck...