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Date : 2017/01/09 19:00
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Old Revision: http://wiki.x2go.org/doku.php/doc:howto:tce?rev=1483988142
New Revision: http://wiki.x2go.org/doku.php/doc:howto:tce
Edit Summary: [History, Rationale, Outlook]
User : stefanbaur
@@ -3,15 +3,17 @@
<note important>This page is very much Work in Progess. Please leave a note on
[email protected] if you're interested in trying this out, so we can guide you along
if something goes wrong.</note>
</columns>
===== History, Rationale, Outlook =====
- During the time of Debian Wheezy being Debian's stable release, we started developing a new ThinClientEdition then called TCE-NG - one that is based on Debian-Live and thus does no longer rely on NFS. Instead, the entire image
is loaded into the RAM of the ThinClient machine. To avoid confusion, and because it now
has left the "NG" state, we call it TCE-Live.
+ During the time of Debian Wheezy being Debian's stable release, we started developing a
new ThinClientEdition then called TCE-Next Generation, or TCE-NG for short - one that is
based on Debian-Live and thus does no longer rely on NFS (though NFS can still be used to
deploy the image - but we strongly discourage that approach). Instead, the entire image
is loaded into the RAM of the ThinClient machine. To avoid confusion, and because it has
since left the "NG" state, we now call it TCE-Live.
The disadvantage is that your ThinClient now needs at least 1 GB of RAM (see below).
- However, the huge advantage is that there no longer is a need for any high-availibility setup concerning NFS. All you need is an HTTP (HTTPS optional for later stages) or FTP server with a dedicated IP, if you want to use netbooting. It is also possible to deploy
the image to the ThinClient's local storage, if present, and have it update in the
background. Besides, making changes/updating the NFS-based TCE (henceforth referred to
as TCE-NFS or TCE-Legacy) was rather finicky - with the current TCE-Live, you build and
deploy a new image every time you make a change, and you can test it on a single client
without interrupting your production environment. The "local storage" feature
can also be used to create a portable version of both X2Go-TCE and X2goClient for
Windows, sharing the same configuration, on CD/DVD/USB media.
+ However, the huge advantage is that there no longer is a need for any
high-availibility setup concerning NFS (nor HTTP/HTTPS/FTP). If you follow our
advice of loading the entire image into the ThinClient's RAM, or using local
storage, all you need is an HTTP (HTTPS optional for later stages) or FTP
server with a dedicated IP, if you want to use netbooting. It is also possible
to deploy the image to the ThinClient's
local storage, if present, and have it update in the background.
- We've also received reports that TCE-NFS wouldn't work with Jessie, or at least it was very hard to get it to work.
+ Besides, making changes/updating the classic, NFS-based TCE (henceforth
referred to as TCE-Classic) with the entire filesystem, not just its compressed
image, spread out over the NFS share was rather finicky - with the current
TCE-Live, you build and deploy a new image every time you make a change, and
you can test it on a single client without interrupting your production
environment. The //local storage// feature can also be used to create a
portable version of both X2Go-TCE and X2goClient for Windows, sharing the same
configuration, on CD/DVD/USB media.
+
+ We've also received reports that TCE-Classic wouldn't work with Jessie, or at least it was very hard to get it to work.
Our TCE-Live works just fine with Jessie, and we expect it to work in Stretch
and hopefully in Buster (Stretch+1) as
well.
The one catch is that the live-build package in Debian/the Debian-Live project
is currently looking for a new maintainer - so there is a slim chance that
live-build might be removed from Debian Buster, especially if no new maintainer
steps up and the live-build replacement that is currently in the works (called
live-wrapper) contains all the required functionality of live-build by then.
===== ThinClient prerequisites for all variants =====
--
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