Friday, February 16, 2018

Could not launch application 'linc-cleanup-sockets.desktop':

Error in VNC log when starting

_XSERVTransmkdir: ERROR: euid != 0,directory /tmp/.X11-unix will not be created.

Xvnc TigerVNC 1.1.0 - built Mar 22 2017 04:35:07
Copyright (C) 1999-2011 TigerVNC Team and many others (see README.txt)
See http://www.tigervnc.org for information on TigerVNC.
Underlying X server release 11704000, The X.Org Foundation


Mon Jul 15 23:21:54 2019
 vncext:      VNC extension running!
 vncext:      Listening for VNC connections on all interface(s), port 5901
 vncext:      created VNC server for screen 0
gnome-session[3752]: WARNING: Unable to find provider 'nautilus' of required component 'filemanager'
GNOME_KEYRING_SOCKET=/tmp/keyring-PWAsGQ/socket
SSH_AUTH_SOCK=/tmp/keyring-PWAsGQ/socket.ssh
GNOME_KEYRING_PID=3766

** (gnome-settings-daemon:3765): WARNING **: Connection failed, reconnecting...
gnome-session[3752]: WARNING: Could not launch application 'linc-cleanup-sockets.desktop': Unable to start application: Failed to execute child process "/usr/bin/linc-cleanup-sockets" (No such file or directory)

(polkit-gnome-authentication-agent-1:3779): GLib-GObject-WARNING **: cannot register existing type `_PolkitError'

(polkit-gnome-authentication-agent-1:3779): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
Failed to play sound: Not available

** (gnome-panel:3776): WARNING **: panel-applet-frame.c:1288: failed to load applet OAFIID:GnoteApplet:
(null)

** (gnome-panel:3776): WARNING **: panel-applet-frame.c:1288: failed to load applet OAFIID:GNOME_FastUserSwitchApplet:
(null)

** (gnome-settings-daemon:3765): WARNING **: Connection failed, reconnecting...



Solution:
If the packages need to be re-installed, use the below command:
# yum reinstall "@Desktop" "@Desktop Platform" "@General Purpose Desktop"


** Install xclock
yum install -y xorg-x11-apps
:


apt-key warning when sudo apt update run

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