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Blind_Sniper
Guru
Joined: 20 Apr 2018
Posts: 370
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 Posted: Thu Oct 21, 2021 2:13 pm Post subject: System doesn't accept root password |
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Hi there!
SInce recent update I cannot run kdesu (usually I using it to launch dolphin and konsole).
When I trying to start these apps via kdesu I getting this message:
| Code: | Permission denied.
Possibly incorrect password, please try again.
On some systems, you need to be in a special group (often: wheel) to use this program. |
I'm in wheel group and my password is correct. In past I fixed it by setting suid bit on /bin/su binary, but this time suid is set.
Why kdesu refuses to accept my password?
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freke
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Joined: 23 Jan 2003
Posts: 1050
Location: Somewhere in Denmark
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| Posted: Thu Oct 21, 2021 2:38 pm Post subject: |
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kdesu supposedly uses su - can you su from a console?
Can you login as root from console? |
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Blind_Sniper
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Joined: 20 Apr 2018
Posts: 370
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| Posted: Thu Oct 21, 2021 2:52 pm Post subject: |
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I can't su from konsole, with the same autentification failure
But I can boot into single mode as root.
As well I can run sudo, I suppose because in sudoers I have NOPASSWD option set.
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freke
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Joined: 23 Jan 2003
Posts: 1050
Location: Somewhere in Denmark
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| Posted: Thu Oct 21, 2021 3:20 pm Post subject: |
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The groups-command confirms that you're member of wheel?
If you've later used usermod -G it doesn't add the groups you specify, it only makes you a member of that/those groups;
ie. | Code: | | usermod -G users,wheel,audio username |
doesn't yield same result as: | Code: | usermod -G users,wheel username
usermod -G audio username |
According to https://forums.gentoo.org/viewtopic-t-23378.html atleast (I'm basically running root-only on my servers (console-only), so really never tried using su nor sudo) |
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Blind_Sniper
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Joined: 20 Apr 2018
Posts: 370
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| Posted: Thu Oct 21, 2021 3:29 pm Post subject: |
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| freke wrote: | | The groups-command confirms that you're member of wheel? |
Yes, I'm in wheel group. And didn't make any modifications in configuration files.
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