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Old 06-21-2016, 02:08 AM   #1
luofeiyu
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Why can't login into debian with normal name ?


My os is debian8,there are two account names ,one is root one is normal user named `debian8'.
I can login with both of them `root` and `debian8`.
Today ifound that `debian8` can't login into my os,`root` and its password can.
I am sure that the password for account name `debian8` is correct.
What' the matter with my os? How to fix it?
 
Old 06-21-2016, 02:10 AM   #2
pan64
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what will happen when you try to log in (using debian8)?
Is there any message?
 
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Old 06-21-2016, 02:16 AM   #3
jamison20000e
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So, you can login root or tty*2( i.e: [Ctrl]+[Alt]+[F2])? Then see /home/debian8 also another live OS would work...
 
Old 06-21-2016, 02:20 AM   #4
luofeiyu
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Login with `root` and its password.

echo "" > /var/log/auth.log

Logout and then login with `debian8` ,failed .
cat /var/log/auth.log

Jun 21 15:15:25 hwy lightdm: pam_unix(lightdm:session): session closed for user root
Jun 21 15:15:25 hwy polkitd(authority=local): Unregistered Authentication Agent for unix-session:3 (system bus name :1.21, object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) (disconnected from bus)
Jun 21 15:15:25 hwy lightdm: pam_unix(lightdm-greeter:session): session opened for user lightdm by (uid=0)
Jun 21 15:15:25 hwy systemd-logind[695]: New session c3 of user lightdm.
Jun 21 15:15:28 hwy systemd-logind[695]: Removed session c2.
Jun 21 15:15:34 hwy lightdm: pam_unix(lightdm-greeter:session): session closed for user lightdm
Jun 21 15:15:34 hwy lightdm: pam_unix(lightdm:session): session opened for user debian8 by (uid=0)
Jun 21 15:15:34 hwy systemd-logind[695]: New session 5 of user debian8.
Jun 21 15:15:34 hwy systemd: pam_unix(systemd-user:session): session opened for user debian8 by (uid=0)
Jun 21 15:15:34 hwy lightdm: pam_unix(lightdm:session): session closed for user debian8
Jun 21 15:15:34 hwy systemd-logind[695]: Removed session 5.
Jun 21 15:15:34 hwy systemd: pam_unix(systemd-user:session): session closed for user debian8
Jun 21 15:15:34 hwy lightdm: pam_unix(lightdm-greeter:session): session opened for user lightdm by (uid=0)
Jun 21 15:15:34 hwy systemd-logind[695]: New session c4 of user lightdm.
Jun 21 15:15:37 hwy systemd-logind[695]: Removed session c3.
Jun 21 15:15:42 hwy lightdm: pam_unix(lightdm-greeter:session): session closed for user lightdm

Last edited by luofeiyu; 06-21-2016 at 02:22 AM.
 
Old 06-21-2016, 02:28 AM   #5
jamison20000e
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So, is /home/debian8 there, could always delete the user and add a new? (I have messed up a password once or (pun (re-enter)) twice? )

Last edited by jamison20000e; 06-21-2016 at 02:30 AM. Reason: clarified my "pun" as if... :D
 
Old 06-21-2016, 02:30 AM   #6
luofeiyu
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I have tried for twice ./home/debian8 is still there, no changes.
Why session closed for user debian8?

Last edited by luofeiyu; 06-21-2016 at 02:35 AM.
 
Old 06-21-2016, 02:33 AM   #7
jamison20000e
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I don't think I have ever removed a user? But, backups as usual.
 
Old 06-21-2016, 02:38 AM   #8
jamison20000e
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I'd think you can
Code:
adduser
then move (if any) files from "debian8" and
Code:
chown newYou /home/newYou
..?
 
Old 06-21-2016, 02:40 AM   #9
pan64
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so do you mean: you created a user/password (several times), worked at first but now you can't login
I would increase the log level of pam (or probably check another logfiles too)
 
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Old 06-21-2016, 02:53 AM   #10
jamison20000e
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Talking

For a "" thread seems you both went over my head quick?
 
Old 06-21-2016, 03:01 AM   #11
JJJCR
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Cool

Quote:
Originally Posted by luofeiyu View Post
I have tried for twice ./home/debian8 is still there, no changes.
Why session closed for user debian8?
what was the last change you made on your machine?

Did you by any chance change the permission on ./home/debian8?

cat /etc/passwd is debian8 user listed there?

or check out this link: https://bugs.debian.org/cgi-bin/bugr...cgi?bug=541188

Last edited by JJJCR; 06-21-2016 at 03:02 AM. Reason: edit
 
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Old 06-21-2016, 03:15 AM   #12
luofeiyu
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1.The last change on my pc is to execute aria2c command to download torrent ,then i power off my pc.
2.In the afternoon, i find that `debian8` can't login when to reboot my pc ,then i tried with `debian8` twice.

The fact is not that
there is one account name `debian` ,and i add new name as `debian8`, two `debian8` was added twice, no.
 
Old 06-21-2016, 03:18 AM   #13
luofeiyu
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Why my os do not assign a session for `debian8`?
From the log info : Jun 21 15:15:34 hwy lightdm: pam_unix(lightdm:session): session closed for user debian8
 
Old 06-21-2016, 03:25 AM   #14
pan64
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it was assigned, but also it was closed because of some configuration/permission/whatever issue
That's why you may need to increase log level
 
Old 06-21-2016, 03:34 AM   #15
luofeiyu
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ls -ld /home/debian8
drwxr-xr-x 65 debian8 debian8 4096 Jun 21 16:00 /home/debian8

only root can login into my os now.
useradd -d /home/test1 test1
passwd test1

test1 can't login os when logout from root.
Why??

Last edited by luofeiyu; 06-21-2016 at 03:54 AM.
 
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