centos7 vnc not start systemctl

1.centos7 vnc not start systemctl

Given as follows: Failed to start Remote desktop service (VNC)

2. Solution

Service Script Error name
- [email protected]
Normal service script name
- vncserver@:1.service
  - Note 1 in front of the colon: 1 as a whole is needed port parameters passed to the vncserver @: 1.service script, can not be purely digital
  - % I will be: 1 This port parameters replaced, so here is easily overlooked, resulting in service can not be used to start systemctl

[Service]                                                                                                                   
Type=forking                                                                                                                
# Clean any existing files in /tmp/.X11-unix environment                                                                    
ExecStartPre=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :'                                                 
#ExecStart=/usr/sbin/runuser -l appadmin -c "/usr/bin/vncserver %i -geometry 1280x1024"                                     
ExecStart=/usr/sbin/runuser -l appadmin -c "/usr/bin/vncserver %i"                                                          
PIDFile=/home/appadmin/.vnc/%H%i.pid                                                                                        
ExecStop=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :'

3. Reference Links

https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-vnc-remote-access-for-the-gnome-desktop-on-centos-7

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