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message = Proceed with extreme caution. This should only guidance has not been tested nor will be attempted supported by advanced usersAmahi. Continuing could break your HDA and a reinstall from scratch may be necessary.}}<div style="border: 1px solid #A3B1BF; padding: .8em 1em; background-color: #E6F2FF; margin: 0px 1em;">'''NOTE:''' The one-click [https://www.amahi.org/apps/vnc VNC App] has been discontinued for Amahi 7 or greater.The reason is that it pulls a lot of packages, including desktop and that breaks DNS in Fedora.</div><br/>It __TOC__ = Desktop Installation Amahi 8/9 = For TigerVNC to work a Desktop Environment must be installed even if the HDA does not boot to the selected Desktop Environment.  This guidance is still under developmentbased on a clean installation of Amahi 8 or 9, using the [[Amahi_8_Install|Fedora 21 Server DVD]] or [[Amahi_9_Install|Fedora 23 Server DVD]] install method.}} == Cinnamon (Amahi 8/Fedora 21) == * As root, install Cinnamon Desktop Environment:

= Amahi 7 (The reason for '''--skip-broken''' is that Fedora 19) Desktop Installation =Workstation contains several variant packages that would otherwise conflict with the Server versions. By passing this argument, we’re letting yum know that it is okay to skip those packages that would have conflicts.

For TigerVNC If you wish to work an Desktop Environment must be installed even if the HDA does not boot to Fedora into a graphical mode instead of console, as root use the selected Desktop Environment. So far KDE and Mate Desktop Environments have been tested.following

=== MATE systemctl set-Desktop Environment ===* As root, install MATE-Desktop Environment:default graphical.target

=== KDE-Desktop Environment ===* As root, install KDE-LXDE Desktop Environment:

yum dnf group install @kdelxde-desktop

yum install tigervnc-serverNote: For Fedora 23, use dnf instead of yum

*Once install we need to create new configuration file, vncserver@.service is only a template file, from this we need to create a the following config file.  cp /lib/systemd/system/vncserver@.service /lib/systemd/system/vncserver@:1.service

nano /lib/systemd/system/vncserver@:1.service

# The vncserver service unit file # # Quick HowTo: # 1. Copy this file to /etc/systemd/system/vncserver@:<display>.service # 2. Edit <USER> and vncserver parameters appropriately # ("runuser -l <USER> -c /usr/bin/vncserver %i -arg1 -arg2") # 3. Run `systemctl daemon-reload` # 4. Run `systemctl enable vncserver@:<display>.service` # # DO NOT RUN THIS SERVICE if your local area network is # untrusted! For a secure way of using VNC, you should # limit connections to the local host and then tunnel from # the machine you want to view VNC on (host A) to the machine # whose VNC output you want to view (host B) # # [user@hostA ~]$ ssh -v -C -L 590N:localhost:590M hostB # # this will open a connection on port 590N of your hostA to hostB's port 590M # (in fact, it ssh-connects to hostB and then connects to localhost (on hostB). # See the ssh man page for details on port forwarding) # # You can then point a VNC client on hostA at vncdisplay N of localhost and with # the help of ssh, you end up seeing what hostB makes available on port 590M # # Use "-nolisten tcp" to prevent X connections to your VNC server via TCP. # # Use "-localhost" to prevent remote VNC clients connecting except when # doing so through a secure tunnel. See the "-via" option in the # `man vncviewer' manual page. [Unit] Description=Remote desktop service (VNC) After=syslog.target network.target [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=/sbin/runuser -l <USER> -c "/usr/bin/vncserver %i" PIDFile=/home/<USER>/.vnc/%H%i.pid ExecStop=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :' [Install] WantedBy=multi-user.target *Under [Service] replace with the <USER> with the user name setup in Amahi/Fedora. For this example we will use tom. The modified file will look like this.   [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=/sbin/runuser -l tom -c "/usr/bin/vncserver %i" PIDFile=/home/tom/.vnc/%H%i.pid ExecStop=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :' * Once the config file vncserver@:1.service has been modified we next run the command as root.  systemctl daemon-reload  * We now have to modify the firewall and open port 5901 in the iptables, run the command as root.  iptables -A INPUT -p tcp -m state --state NEW -m tcp --dport 5901 -j ACCEPT = Password Setup =*These are universal for both Amahi 8 and 9 * Set the VNC password for the user as defined in the vncserver@:1.service, this will create the .VNC folder for each user and place a file called passwd inside the folder.  * From the example log into terminal as the user, in this example it will be tom and run the following command  vncpasswd * The following response will appear waiting for a password to be entered   Password:

*Under [Service] replace with the The following. Please note this is for root access ONLY, see below on how response will appear waiting to setup for other usersverify the password entered.

* Modification of the ~/.vnc/xstartup will be required to match run the Desktop Environment. At this point the xstartup file doesn't exist so we do the following. For this example we need to login as the user. * Create the xstartup file using the command below then copy/paste the required xstartup for the chosen desktop enviroment. nano ~/.vnc/xstartup == Amahi 8 (Fedora 21) ==For the Cinnamon Desktop on Amahi 8 (Fedora 21), modify the xstartup to the below.  #!/bin/sh # exec /usr/bin/cinnamon-session == Amahi 9 (Fedora 23) ==For the LXDE Desktopon Amahi 9 (Fedora 23), modify the xstartup to the below.  #!/bin/sh # unset SESSION_MANAGER unset DBUS_SESSION_BUS_ADDRESS lxterminal & /usr/bin/lxsession -Environment s LXDE &lxterminal & = Starting Tiger VNC = * As Log back in as root create a backup of and run the existing xstart filefollowing the commands below to enable and start the vncservice.  systemctl enable vncserver@:1.service systemctl start vncserver@:1.service = TigerVNC Server Commands=

cd ~/* The following commands will allow you to start on boot and start the vncserver service.vnc mv xstartup xstartup.bak nano xstartup

=== MATE-Desktop Environment === systemctl enable vncserver@:1.service* As root, remove the context of the xstartup file and replace with the following systemctl start vncserver@:1.service

#!/bin/sh # # Uncomment * The following commands will allow you to disable start on boot and stop the following two lines for normal desktop: # unset SESSION_MANAGER unset DBUS_SESSION_BUS_ADDRESS # exec /etc/X11/xinit/xinitrc # [ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup [ -r $HOME/.Xresources ] && xrdb $HOME/vncserver service.Xresources xsetroot -solid grey vncconfig -iconic & x-terminal-emulator -geometry 80x24+10+10 -ls -title "$VNCDESKTOP Desktop" & mate-session &

=== KDE-Desktop Environment ===* As root, remove the context of the xstartup file and replace with the following systemctl restart vncserver@:1.service

#!/bin/sh # # Uncomment * The following command will display the status of the following two lines for normal desktop: #unset SESSION_MANAGER #exec /etc/X11/xinit/xinitrc # [ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup [ -r $HOME/.Xresources ] && xrdb $HOME/vncserver service.Xresources #xsetroot -solid grey #vncconfig -iconic & #xterm -geometry 80x24+10+10 -ls -title "$VNCDESKTOP Desktop" & #twm & startkde &

pkill vnc  = Password Multiple User Setup = * It is possible to setup multiple user login's. For this example with will create 2 other users, Dick & Harry.   * First we need to create these user, either using the Amahi Dashboard under the USER setting or by the following commands under root control.  adduser <user name> * Set For the VNC example the commands will be  adduser dick adduser harry * Then create a password for that user using the following command  passwd <user name> * For this example the command will be  passwd dick passwd harry * When requested enter a password and renter the password to verify it for each user created. * Once the user are created we will need to assign configuration files for each user. For this will assign the following config files as followed. Carry out the below as root. * Dick will be assigned the following config file using the following.  cp /lib/systemd/system/vncserver@.service /lib/systemd/system/vncserver@:2.service * Harry will be assigned the following config file.  cp /lib/systemd/system/vncserver@.service /lib/systemd/system/vncserver@:3.service * Once the config files are created we will need to modify them for the correct user access. Accessing the files using your favourite editor the config files need to be modified under [Service] to reflect the assigned user. For this example the files should look like the following.  * For Dick (under root control)  nano /lib/systemd/system/vncserver@:2.service * Then modify the [Service] as defined followed  [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=/sbin/runuser -l dick -c "/usr/bin/vncserver %i" PIDFile=/home/dick/.vnc/%H%i.pid ExecStop=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :'   * For Harry (under root control)  nano /lib/systemd/system/vncserver@:3.service * Then modify the [Service] as followed  [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=/sbin/runuser -l harry -c "/usr/bin/vncserver %i" PIDFile=/home/harry/.vnc/%H%i.pid ExecStop=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :' * Once all the vncserver@:1#.service files have been created and modified we then run the following command (as root)  systemctl daemon-reload * From We need to assign password to access vnc-server for each user, for this each user needs to login in via terminal and run the the example log into command as below, this will be the same procedure as described under the password section  vncpasswd * Once each user has created a password, then each user needs to login in via terminal and modify the xstarup file to reflect the chosen desktop environment as listed above. As above the xstartup file doesn't exist yet so each user will need make a xstartup file.  * Log in as root each user and run the following commandto create the xstartup file.

* The following response will appear waiting for a password Again modify the xstartup file as above to be entered use the cinnamon desktop environment.

* The following response will appear waiting to verify the password entered systemctl enable vncserver@:2.service systemctl enable vncserver@:3.service systemctl start vncserver@:2.service systemctl start vncserver@:3.service

* The following commands From the example Dicks access ip address will allow you to autostart and start the service.be

systemctl enable vncserver@: 192.168.1.service systemctl start vncserver@10:1.service2

* The following commands For Harrys the access ip address will allow you to disable autostart and stop the service.be

systemctl disable vncserver@: 192.168.1.service systemctl stop vncserver@10:1.service3

If connection is successful it will as ask for a password, which is the password entered from the setup above. = Screenshots = Screenshot of KDE Remote Desktop