Re: Difficulties at very first steps with f25kde ...

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On 06/05/17 21:30, Walter H. wrote:
> On 05.06.2017 09:18, Ed Greshko wrote:
>> On 06/05/17 14:31, Walter H. wrote:
>>> Hello,
>>>
>>> On 05.06.2017 01:52, Ed Greshko wrote:
>>>> On 06/05/17 04:37, Walter H. wrote:
>>>> FWIW, in the past I've found it easier to run a Vnc client on windows
>>>> and a Vnc Server on the Linux side...
>>>>
>>>> That being said....
>>> how do I this?
>> Install https://www.realvnc.com/download/vnc/windows/ on the Windows
>> side.  (Use the supplied client SW)
> ok, I already have the VNCviewer on my Windows
>> Install tigervnc-server on fedora.  From there you can either decide if
>> you want to have a user invoke the server from say a terminal or ssh
>> session or to make it a system service by following the directions in
>> /lib/systemd/system/vncserver@.service.
> I did what this file said ...
>
> cp /lib/systemd/system/vncserver@.service
> /etc/systemd/system/vncserver@.service
>
> I edited /etc/systemd/system/vncserver@.service and changed <USER>
> with  walter

I assume you changed 2 lines...

User=<USER>
PIDFile=/home/<USER>/.vnc/%H%i.pid


>
> did
> systemctl daemon-reload
> systemctl enable vncserver@:1.service
> systemctl start vncserver@:1.service

And you are saying that started without error?   I ask since it has been
a long time since I've done this and in doing this just now the start fails.

[root@f25f system]# systemctl start vncserver@:1.service
Job for vncserver@:1.service failed because a timeout was exceeded.
See "systemctl status vncserver@:1.service" and "journalctl -xe" for
details.

This was caused by an selinux issue.  The AVCs I got were....

type=AVC msg=audit(1496670517.042:290): avc:  denied  { unlink } for 
pid=1 comm="systemd" name="f25f.greshko.com:1.pid" dev="sda3" ino=17229
scontext=system_u:system_r:init_t:s0
tcontext=system_u:object_r:user_home_t:s0 tclass=file permissive=0
type=AVC msg=audit(1496670702.480:298): avc:  denied  { open } for 
pid=1 comm="systemd" path="/home/egreshko/.vnc/f25f.greshko.com:1.pid"
dev="sda3" ino=17277 scontext=system_u:system_r:init_t:s0
tcontext=system_u:object_r:user_home_t:s0 tclass=file permissive=0
type=AVC msg=audit(1496670702.480:299): avc:  denied  { open } for 
pid=1 comm="systemd" path="/home/egreshko/.vnc/f25f.greshko.com:1.pid"
dev="sda3" ino=17277 scontext=system_u:system_r:init_t:s0
tcontext=system_u:object_r:user_home_t:s0 tclass=file permissive=0


>
> firewall-cmd --add-port=5901/tcp --permanent

FWIW, the firewall-applet has a checkbox to allow vncsever and opens
multiple ports.

>
>
> the password ...
> su - walter
> vncpasswd ...
>
> after rebooting the computer
>
> VNCviewer connected and there I gave the password I configured above
> with vncpasswd
> but
> after less than a minute the connection closes
> and I get this dialog from VNC viewer
>
> read: Connection reset by peer (10054)
> Do you wish to attempt to reconnect to 172.23.1.7:5901
> clicking Yes gives this:
> unable to connect to host: Connection refused (10061)
>
> SOS please help me, how to get any way of a stable graphical
> connection from Windows
> to this Fedora 25 ... 

At this point you should check the status of the vncserver ...

systemctl status vncserver@:1.service



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