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Thread: SO who is ?

  1. #1
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    Default SO who is ?

    UID 65534 and why is he hanging around in my /run./user/65534, but not to be found there!
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  2. #2
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    Default Re: SO who is ?

    Quote Originally Posted by Bill_L View Post
    UID 65534 and why is he hanging around in my /run./user/65534, but not to be found there!
    Hi
    Some service using user nobody....

    Code:
    cat /etc/group | grep 65534
    nobody:x:65534
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
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  3. #3
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    Default Re: SO who is ?

    Quote Originally Posted by malcolmlewis View Post
    Hi
    Some service using user nobody....

    Code:
    cat /etc/group | grep 65534
    nobody:x:65534
    OK thanks,
    Good? bad? or.....?
    Anyway to find which service? OR should I not care about it?
    That only shows up on start processes once or twice a week.
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  4. #4
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    Default Re: SO who is ?

    Quote Originally Posted by Bill_L View Post
    OK thanks,
    Good? bad? or.....?
    Anyway to find which service? OR should I not care about it?
    That only shows up on start processes once or twice a week.
    Hi
    Something not configured right somewhere... it should use /var/lib/nobody a ps -ef should track it down.
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
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  5. #5
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    Default Re: SO who is ?

    Quote Originally Posted by malcolmlewis View Post
    Hi
    Something not configured right somewhere... it should use /var/lib/nobody a ps -ef should track it down.
    there is a LOT of output for that command, and trying to parse through it I can’t find anything related to ‘user nobody’ nor UID65534.
    IIRC, this showed up about 3 weeks back, and I can’t think of any changes I made to misconfigure something.
    HP Compaq desktop Leap15.2, Win10, Win7
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  6. #6
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    Default Re: SO who is ?

    Quote Originally Posted by Bill_L View Post
    there is a LOT of output for that command, and trying to parse through it ........
    Most people would use grep
    Code:
    ps -ef | grep 65534
    and/or
    Code:
    ps -ef | grep nobody
    Last edited by hcvv; 17-Jun-2021 at 02:56.
    Henk van Velden

  7. #7
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    Default Re: SO who is ?

    [QUOTE=hcvv;3041104]
    Quote Originally Posted by Bill_L View Post
    there is a LOT of output for that command, and trying to parse through it ......../QUOTE]
    Most people would use grep
    Code:
    ps -ef | grep 65534
    and/or
    Code:
    ps -ef | grep nobody
    Output for both commands:
    Code:
    ~> ps -ef | grep 65534
    bill     11561 11535  0 21:58 pts/1    00:00:00 grep --color=auto 65534
    
    ~> ps -ef | grep nobody
    bill     11597 11535  0 21:58 pts/1    00:00:00 grep --color=auto nobody
    
    Do I 'kill' or hunt down the processes(?) 11561 11535 and 11597 11535
    I'm assuming the 'bill' is the user, the numbers being processes or process ranges, I know the 21:58 is the time I issued the commands. The rest....???
    and I have no idea what '--color=auto' means but that is where 65534 and nobody shows in the output.
    HP Compaq desktop Leap15.2, Win10, Win7
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    I can now print with openSuSe Leap! Can Scan now, could be better!!
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  8. #8
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    Default Re: SO who is ?

    Quote Originally Posted by Bill_L View Post
    UID 65534 and why is he hanging around in my /run./user/65534, but not to be found there!
    Nobody is there and takes down the user slice upon shutdown:
    Code:
    3400G:~ # journalctl -b -1 -o short-monotonic --grep 65534 
    -- Logs begin at Tue 2021-06-15 07:53:08 CEST, end at Thu 2021-06-17 05:41:22 CEST. -- 
    [12173.385749] 3400G systemd[1]: Created slice User Slice of UID 65534. 
    [12173.387119] 3400G systemd[1]: Starting User Runtime Directory /run/user/65534... 
    [12173.399622] 3400G systemd[1]: Finished User Runtime Directory /run/user/65534. 
    [12173.401593] 3400G systemd[1]: Starting User Manager for UID 65534... 
    [12173.404825] 3400G systemd[23495]: pam_unix(systemd-user:session): session opened for user nobody(uid=65534) by (uid=0) 
    [12173.569980] 3400G systemd[1]: Started User Manager for UID 65534. 
    [12173.573495] 3400G su[23437]: pam_unix(su:session): session opened for user nobody(uid=65534) by (uid=0) 
    [12190.800889] 3400G systemd[1]: Stopping User Manager for UID 65534... 
    [12190.819455] 3400G systemd[1]: user@65534.service: Succeeded. 
    [12190.819585] 3400G systemd[1]: Stopped User Manager for UID 65534. 
    [12190.822895] 3400G systemd[1]: Stopping User Runtime Directory /run/user/65534... 
    [12190.843354] 3400G systemd[1150]: run-user-65534.mount: Succeeded. 
    [12190.844008] 3400G systemd[1]: run-user-65534.mount: Succeeded. 
    [12190.844922] 3400G systemd[1]: user-runtime-dir@65534.service: Succeeded. 
    [12190.845233] 3400G systemd[1]: Stopped User Runtime Directory /run/user/65534. 
    [12190.846946] 3400G systemd[1]: Removed slice User Slice of UID 65534. 
    3400G:~ #
    
    Nobody hangs around in its own temporary user directory /run/user/65534.
    Code:
    3400G:~ # ll /run/user/ 
    total 0 
    drwx------  3 root root  100 Jun 17 05:35 0
    drwx------ 10 karl users 320 Jun 17 05:40 1000
    3400G:~ #
    On my machine the journal shows entries of nobody only during shutdown.
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  9. #9
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    Default Re: SO who is ?

    Quote Originally Posted by Bill_L View Post

    Output for both commands:
    Code:
    ~> ps -ef | grep 65534
    bill     11561 11535  0 21:58 pts/1    00:00:00 grep --color=auto 65534
    
    ~> ps -ef | grep nobody
    bill     11597 11535  0 21:58 pts/1    00:00:00 grep --color=auto nobody
    
    Do I 'kill' or hunt down the processes(?) 11561 11535 and 11597 11535
    I'm assuming the 'bill' is the user, the numbers being processes or process ranges, I know the 21:58 is the time I issued the commands. The rest....???
    and I have no idea what '--color=auto' means but that is where 65534 and nobody shows in the output.
    Please try to understand what the ps command does, what grep does and thus what you see. We are not going to tell you to study man pages each and every time, you should know by now.

    You see your own users (bill) grep commands running because the strings you ask for are also in the command itself.

    There is no need to search for these commands, let alone try to kill them, because they are gone alraedy after the grep is finished.

    There are no other lines to interpret, thus at that moment in time there are no processes owned by either nobody or 65534.
    Henk van Velden

  10. #10
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    Default Re: SO who is ?

    Quote Originally Posted by hcvv View Post
    Please try to understand what the ps command does, what grep does and thus what you see. We are not going to tell you to study man pages each and every time, you should know by now..
    I did read the man pages, a 1/2 hour worth of it!
    All I am trying to find out is why the instances of /run/user/65534 show up in the start up process, and subsequently 'starting a session of c1 for nobody' follows closely behind.
    There is not an existing directory named /run/user/65534!
    This only started happening about 4 weeks back after an update(back in Leap 15.2).

    Sorry to try your patience, I will just have to live with it,
    HP Compaq desktop Leap15.2, Win10, Win7
    Toshiba laptops Leap15.2 & Win10, HP AiO Leap 15.2.
    I can now print with openSuSe Leap! Can Scan now, could be better!!
    I can backup my iPod and iPad with Windows, can't with Linux.(Will get there someday!)

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