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--- wiki:advanced:multi-node:x2goserver-printing [2011/11/12 14:47]
sunweaver [Using X2Go Printing on a Centralized CUPS Server]
+++ wiki:advanced:multi-node:x2goserver-printing [2011/11/12 14:59]
sunweaver
@@ Line 19: / Line 19: @@
 :!: **Before you begin!**
-> Please make sure that you are familiar with basic X2Go printing setups as described [[wiki:components:printing|here]]. Only if you have successfully setup a single-node printing X2Go site go deeper and try out the multi-node setup.
+> Please make sure that you are familiar with basic X2Go printing setups as described [[wiki:components:printing|here]]. Only if you have successfully set up a single-node printing X2Go site go deeper and try out the multi-node setup.
 If you would like to run your X2Go server and the CUPS service on different machines (such a scenario is very common if you run more than one X2Go server on your network), you'll have to do things:
-  - generate a pair of SSH keys to faciliate communication between those two machines
+  - if running more than one X2Go server: setup up X2Go servers with [[wiki:advanced:multi-node:x2goserver-pgsql|PostgreSQL as X2Go session database backend]]
-  - add a line to the /etc/sudoers file on every X2go server that shall be able to accept print jobs from the central CUPS server
+  - generate a pair of SSH keys on the CUPS server to faciliate communication between CUPS server and X2Go server(s)
+  - add a line to the /etc/sudoers file on every X2go server that enables the X2Go Server (script: ''x2goprint'') to accept print jobs from the central CUPS server (pushed there via SCP)
+Please make sure that you are logged as a user on CUPS and X2Go server(s) that can become the super-user by running the ''sudo'' command.
-Please make sure that you are logged in as user ''root'' on the system running the CUPS service and add the following folders:
+As first step: install the X2Go server printing add-on to your (every) X2Go server:
+<code>
+$ sudo aptitude install x2goserver-printing
+</code>
+Next, install the CUPS X2Go backend on the CUPS server:
+<code>
+$ sudo aptitude install cups-x2go
+</code>
+On the CUPS server create ''root'''s SSH configuration directory:
 <code>
 $ mkdir -p /root/.ssh/
 </code>
-Now you can generate the keys (on each X2go server that shall have access to the CUPS service):
+Now you can generate an SSH public/private key. This key is used to allow passwordless logons from ''root@cupsserver'' to ''x2goprint@x2goserverX''.
 <code>
@@ Line 43: / Line 58: @@
 root@cupsserver:~$ ssh-copy-id /root.ssh/id_dsa-x2goprint x2goprint@x2goserver1
 root@cupsserver:~$ ssh-copy-id /root.ssh/id_dsa-x2goprint x2goprint@x2goserver2
-etc.
+# etc.
 </code>

X2Go - everywhere@home

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