server@server:~$ sudo startx
xauth:  timeout in locking authority file /home/server/.Xauthority
^C^

X.Org X Server 1.19.6
Release Date: 2017-12-20
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.4.0-119-generic x86_64 Ubuntu
Current Operating System: Linux server 4.15.0-23-generic #25-Ubuntu SMP Wed May 23 18:02:16 UTC 2018 x86_64
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.15.0-23-generic root=UUID=50a67591-5518-442d-b82b-2f2544f99d6c ro splash quiet vt.handoff=1
Build Date: 13 April 2018  08:07:36PM
xorg-server 2:1.19.6-1ubuntu4 (For technical support please see http://www.ubuntu.com/support)
Current version of pixman: 0.34.0
Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Tue Jul 17 18:43:26 2018
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
xinit: connection to X server lost
waiting for X server to shut down (II) Server terminated successfully (0). Closing log file.
^V^Cserver@server:~$ ^C

-rw-rw-rw-  1 server root    156 Jul 17 18:34 .Xauthority
-rw-------  2 server server    0 Jul 17 18:34 .Xauthority-c
-rw-------  2 server server    0 Jul 17 18:34 .Xauthority-l
-rw-------  1 root   root   3.0K Jul 17 18:43 .xsession-errors

server@server:~$ sudo chown -R server /home/server/
server@server:~$ ls -lah
total 1.6M
-rw-rw-rw-  1 server root    156 Jul 17 18:34 .Xauthority
-rw-------  2 server server    0 Jul 17 18:34 .Xauthority-c
-rw-------  2 server server    0 Jul 17 18:34 .Xauthority-l
-rw-------  1 server root   3.0K Jul 17 18:43 .xsession-errors
server@server:~$

Last login: Tue Jul 17 18:23:41 2018 from 192.168.11.3
/usr/bin/xauth:  timeout in locking authority file /home/server/.Xauthority

server@server:~$ sudo rm -rf .Xauthority-c .Xauthority-l
[sudo] password for server:

server@server:/home$ ls -lah
total 12K
drwxr-xr-x  3 root   root   4.0K Jul 13 21:25 .
drwxr-xr-x 22 root   root   4.0K Jul 14 03:10 ..
drwxr-xr-x 10 server server 4.0K Jul 17 19:05 server
server@server:/home$

Last login: Tue Jul 17 18:58:13 2018 from 192.168.11.3
/usr/bin/xauth:  file /home/server/.Xauthority does not exist
server@server:~$ cd /home/server/
server@server:~$ ls -lah
total 1.6M
-rw-------  1 server server   52 Jul 17 19:06 .Xauthority
-rw-------  1 server root   3.0K Jul 17 18:43 .xsession-errors
server@server:~$ startx

/usr/lib/xorg/Xorg.wrap: Only console users are allowed to run the X server
xinit: giving up
xinit: unable to connect to X server: Connection refused
xinit: server error
Couldn't get a file descriptor referring to the console