Authentication failure Ubuntuone
14667
File sync error (AUTH_FAILED)
92620
Tens of thousands of failed/denied SSH login attempts
99370
Why does Ubuntu force users to create a password upon installation?
119148
Hundreds of failed ssh logins
124576
Unable to download from an authenticated webserver
2850
Ubuntu gets stuck in a login loop
83211
ubuntu 14.04 login loop problem
15317
Login screen won't accept my password
19190
Samba authentication fails
121883
Cannot login to my user account
36104
"Software can't be installed or removed because the authentication service is not available. "
134660
Authentication very slow (both with ssh and su)
124157
Can't login using Firefox 21 Nightly / 19 stable
77309
Is anybody else having PKI problems connecting using Firefox 67.0?
7737
Authentication token manipulation error
116997
System freezes after logging in after one failed attempt
77158
Mount exited with exit code 13