Bug 1412493 - Errata in Section 9.3.2 Connecting to VNC Server Using SSH
Summary: Errata in Section 9.3.2 Connecting to VNC Server Using SSH
Keywords:
Status: NEW
Alias: None
Product: Fedora Documentation
Classification: Fedora
Component: system-administrator's-guide
Version: devel
Hardware: All
OS: Linux
unspecified
low
Target Milestone: ---
Assignee: Stephen Wadeley
QA Contact: Fedora Docs QA
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-01-12 07:35 UTC by Neil Squires
Modified: 2017-01-12 07:35 UTC (History)
1 user (show)

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Description Neil Squires 2017-01-12 07:35:10 UTC
Description of problem:
The current Fedora 25 systemd will error if you start a unit with the line 
"ExecStart=/sbin/runuser -l user -c "/usr/bin/vncserver -localhost %i"" when you have edited the user details.

Version-Release number of selected component (if applicable):
Draft Fedora 25 Administrators Guide Edition 1

How reproducible:
Every time

Steps to Reproduce:
1. Implement a vncserver as detailed in https://docs.fedoraproject.org/en-US/Fedora/25/html/System_Administrators_Guide/ch-TigerVNC.html
2. Edit the respective /etc/systemd/system/vncserver@.service file by replacing the user details
3. Start the server using "systemctl start vncserver@:1.server" or as a no root user "sudo systemctl start vncserver@:1.server" and it fails 

Actual results:
/sbin/runuser can only be run by root

Expected results:
vnc server starts

Additional info:
I think the problem is created as the vncserver@.service file set the process owner as defined in the line "User=<USER>". When I have set that to a non-root user name the file errors.

The standard file line "ExecStart=/usr/bin/vncserver %i" works fine. The errata seems to be a hangover from the old file structure.


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