No clue, unless maybe you are using some sort of network login such as LDAP.

On 5/12/18 11:25 AM, torsten wrote:
> Hi,
>
> I just read, that my entry in /etc/passwd must be missing. And that's
> right, there isn't any line with "torsten" in /etc/passwd. But I'm a
> legal user and actually logged in on that host. When I try "sudo
> adduser torsten", I get this:
>
> adduser: Der Benutzer »torsten« existiert bereits.
>
> In English: "adduser: The user »torsten« already exists." What goes
> wrong here?
>
> Kind Regards
> Torsten
>
> Am Samstag, 12. Mai 2018 16:30:12 UTC+2 schrieb torsten:
>
>     Hi again,
>
>     I just rebooted a second time, and now "sudo systemctl status
>     tvncserver" writes something other:
>
>     ● tvncserver.service - LSB: Starts and stops the TurboVNC Server
>        Loaded: loaded (/etc/init.d/tvncserver; bad; vendor preset:
>     enabled)
>        Active: active (exited) since Sa 2018-05-12 16:12:09 CEST; 1min
>     27s ago
>          Docs: man:systemd-sysv-generator(8)
>       Process: 956 ExecStart=/etc/init.d/tvncserver start
>     (code=exited, status=0/SUCCESS)
>
>     Mai 12 16:12:09 ws-torsten systemd[1]: Starting LSB: Starts and
>     stops the TurboVNC Server...
>     Mai 12 16:12:09 ws-torsten su[1109]: No passwd entry for user
>     'torsten'
>     Mai 12 16:12:09 ws-torsten su[1109]: FAILED su for torsten by root
>     Mai 12 16:12:09 ws-torsten su[1109]: - ??? root:torsten
>     Mai 12 16:12:09 ws-torsten tvncserver[956]: Starting TurboVNC
>     server: 1:torsten  * [FAILED]
>     Mai 12 16:12:09 ws-torsten systemd[1]: Started LSB: Starts and
>     stops the TurboVNC Server.
>
>     I configured a password when installing TurboVNC on the host and
>     thought, that this will be used by the start by systemd too. How
>     do I have to configure the password now?
>
>     Kind Regards
>     Torsten
>
>
>     Am Samstag, 12. Mai 2018 16:01:58 UTC+2 schrieb torsten:
>
>         Hi,
>
>         here ist what "sudo systemctl status tvncserver" writes:
>
>         ● tvncserver.service - LSB: Starts and stops the TurboVNC Server
>            Loaded: loaded (/etc/init.d/tvncserver; bad; vendor preset:
>         enabled)
>            Active: active (exited) since Sa 2018-05-12 13:55:43 CEST;
>         1h 26min ago
>              Docs: man:systemd-sysv-generator(8)
>
>         Mai 12 13:55:43 ws-torsten systemd[1]: Starting LSB: Starts
>         and stops the TurboVNC Server...
>         Mai 12 13:55:43 ws-torsten tvncserver[878]: Starting TurboVNC
>         server: 1:torsten  * [FAILED]
>         Mai 12 13:55:43 ws-torsten systemd[1]: Started LSB: Starts and
>         stops the TurboVNC Server.
>         Mai 12 14:03:26 ws-torsten systemd[1]: Started LSB: Starts and
>         stops the TurboVNC Server.
>         Mai 12 14:05:15 ws-torsten systemd[1]: Started LSB: Starts and
>         stops the TurboVNC Server.
>         Mai 12 14:08:23 ws-torsten systemd[1]: Started LSB: Starts and
>         stops the TurboVNC Server.
>         Mai 12 14:19:08 ws-torsten systemd[1]: Started LSB: Starts and
>         stops the TurboVNC Server.
>         Mai 12 14:26:19 ws-torsten systemd[1]: Started LSB: Starts and
>         stops the TurboVNC Server.
>         Mai 12 14:29:24 ws-torsten systemd[1]: Started LSB: Starts and
>         stops the TurboVNC Server.
>
>         The line with "[FAILED]" appeared directly after the reboot.
>         All subsequent lines followed when trying a manual start
>         through systemctl. Are there any log files or other sources
>         giving infos, why it's failing? I googled this issue without
>         any success.
>
>
>         Am Samstag, 12. Mai 2018 15:04:34 UTC+2 schrieb DRC:
>
>             I have no idea.  I just tried it with an Ubuntu 16 virtual
>             machine, and
>             it worked.
>
>             On 5/12/18 7:41 AM, torsten wrote:
>             > Hi DRC,
>             >
>             > I did this. And once (before rebooting) it worked. But
>             after reboot it
>             > doesn't work anymore. Also the manual start by "sudo
>             systemctl start
>             > tvncserver" doesn't work now (it did before rebooting!).
>             > "/opt/TurboVNC/bin/vncserver -list" displays no X
>             display and no process
>             > id. There is no Xvnc process too. Only the start by
>             > "/opt/TurboVNC/bin/vncserver" works as before.
>             >
>             > Could you say, what I'm doing wrong?
>             >
>             > Kind Regards
>             > Torsten
>             >
>             > Am Freitag, 11. Mai 2018 05:20:18 UTC+2 schrieb DRC:
>             >
>             >     Edit /etc/sysconfig/tvncservers and specify the
>             TurboVNC Server
>             >     instances you want to start, as well as their
>             associated display
>             >     numbers, user accounts, and command-line arguments.
>              Then do
>             >
>             >     sudo systemctl enable tvncserver
>             >     sudo systemctl start tvncserver
>             >
>             >     On 5/10/18 4:02 PM, torsten wrote:
>             >     > Hi,
>             >     >
>             >     > I tried to start "/opt/TurboVNC/bin/vncserver"
>             automatically at boot
>             >     > time by a systemd unit (OS is Ubuntu 16.04). I
>             used these
>             >     instructions:
>             >     >
>             >     > https://wiki.ubuntuusers.de/systemd/Units/
>             <https://wiki.ubuntuusers.de/systemd/Units/>
>             >     <https://wiki.ubuntuusers.de/systemd/Units/
>             <https://wiki.ubuntuusers.de/systemd/Units/>>
>             >     > https://wiki.ubuntuusers.de/systemd/Service_Units/
>             <https://wiki.ubuntuusers.de/systemd/Service_Units/>
>             >     <https://wiki.ubuntuusers.de/systemd/Service_Units/
>             <https://wiki.ubuntuusers.de/systemd/Service_Units/>>
>             >     > https://wiki.ubuntuusers.de/systemd/systemctl/
>             <https://wiki.ubuntuusers.de/systemd/systemctl/>
>             >     <https://wiki.ubuntuusers.de/systemd/systemctl/
>             <https://wiki.ubuntuusers.de/systemd/systemctl/>>
>             >     >
>             >     > This is the content of my service unit file:
>             >     >
>             >     > [Unit]
>             >     > Description=TurboVNC-Server
>             >     >
>             >     > [Service]
>             >     > Type=simple
>             >     > User=torsten
>             >     > Group=users
>             >     > WorkingDirectory=~
>             >     > ExecStart=/opt/TurboVNC/bin/vncserver
>             >     >
>             >     > [Install]
>             >     > WantedBy=multi-user.target
>             >     >
>             >     > When I start "/opt/TurboVNC/bin/vncserver" manually,
>             >     > "/opt/TurboVNC/bin/vncserver -list" writes this:
>             >     >
>             >     > TurboVNC server sessions:
>             >     >
>             >     > X DISPLAY #     PROCESS ID
>             >     > :1              14184
>             >     >
>             >     > The displayed process id represents the Xvnc
>             process created by
>             >     > vncserver, which is the X server used to display
>             the TurboVNC
>             >     session.
>             >     >
>             >     > When I kill this server using
>             "/opt/TurboVNC/bin/vncserver -kill
>             >     :1" and
>             >     > start the above service unit using systemctl,
>             >     > "/opt/TurboVNC/bin/vncserver -list" writes the
>             same (only the
>             >     prosess id
>             >     > differs), but a process with the new process id
>             doesn't exist (and
>             >     the
>             >     > TurboVNC Viewer fails to connect). I compared the
>             log files
>             >     written by
>             >     > both vncserver calls. They are completely
>             identical (only the time
>             >     > stamps differ). So where is the Xvnc process gone
>             when started
>             >     through
>             >     > systemd? Is there a way to get more log file
>             content, that could tell
>             >     > me, why Xvnc won't run? If needed I can give some
>             more detailed
>             >     infos.
>             >     >
>             >     > Kind Regards
>             >     > Torsten
>             >
>
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