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[[X2Go Wiki]] page changed: wiki:advanced:start
by wiki-admin＠x2go.org 19 Dec '18

19 Dec '18

A page in your DokuWiki was added or changed. Here are the details: Date : 2018/12/19 17:14 Browser : Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36 IP-Address : 188.192.205.150 Hostname : ipbcc0cd96.dynamic.kabel-deutschland.de Old Revision: https://wiki.x2go.org/doku.php/wiki:advanced:start?rev=1545063253 New Revision: https://wiki.x2go.org/doku.php/wiki:advanced:start Edit Summary: [X2Go KDrive] User : ncryer @@ -96,17 +96,17 @@ <item>CipUX Backend|Configuration of X2Go Admin Center's CipUX backend|[[wiki:advanced:administration:cipux]]|{{:wiki:litte-phoca.png|}}</item> </menu> </WRAP> - ===== X2Go Ephyr ===== + ===== X2Go KDrive ===== - X2Go Ephyr is a kdrive X-Server based on Xephyr + X2Go KDrive is a kdrive X-Server based on Xephyr <WRAP round info> <menu col=1,align=center,caption="X2Go Ephyr descriptions and HOWTOs"> - <item>X2Go Ephyr|Description and HOWTO|[[wiki:advanced:x2goephyr:start]]|{{:wiki:litte-phoca.png|}}</item> + <item>X2Go KDrive|Description and HOWTO|[[wiki:advanced:x2gokdrive:start]]|{{:wiki:litte-phoca.png|}}</item> </menu> </WRAP> -- This mail was generated by DokuWiki at https://wiki.x2go.org/

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[[X2Go Wiki]] page added: wiki:advanced:x2goephyr:start
by wiki-admin＠x2go.org 17 Dec '18

17 Dec '18

A page in your DokuWiki was added or changed. Here are the details: Date : 2018/12/17 18:36 Browser : Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36 IP-Address : 188.192.205.150 Hostname : ipbcc0cd96.dynamic.kabel-deutschland.de Old Revision: --- New Revision: https://wiki.x2go.org/doku.php/wiki:advanced:x2goephyr:start Edit Summary: created User : ncryer ~~NOTOC~~ ====== X2Go Ephyr ====== ===== What is X2Go Ephyr ? ===== X2Go Ephyr is a new kdrive X Server for X2Go. It could be used instead of x2goagent. X2Go Ephyr works similar to Xephyr and based on it's code. It won't replace x2goagent, users will be able to chose if they want to run their sessions in x2goagent or in X2Go Ephyr. ===== Why do we need X2Go Ephyr? ===== The main reason - we want to be able to run modern desktops such as Unity, KDE-5, Gnome-3 and the applications built with the latest toolkits without limitations. ===== What is the difference between x2goagent and X2Go Ephyr ===== x2goagent (or nxagent) is based on NX technologies. It's basically kind of X-proxy. It accepting X-protocol requests from X-Client and forwarding them to remote X-Server. In opposite, X2Go Ephyr is a real X-Server. It's processing the requests from X-Client and rendering images on the remote display, like normal X-Server rendering them into the graphic display, using the video driver. You could say, that the difference between x2goagent and X2Go Ephyr it's the same as difference between Xnest and Xephyr. ===== Advantages of x2goagent ===== NX-Protocol using the network transparency of X-protocol. It mean's that instead of sending images over network, it sending the X-requests like "create window" or "move window from one position to another" or "write text in the window". So if you running legacy X-applications, it'll work much faster on the slow networks, than protocols, which are transferring images between server and client. ===== Advantages of X2Go Ephyr ===== ==== 1. X2Go Ephyr based on the recent X.Org code ==== Unlike the NX-libraries, which are based on obsolete X.Org-6, X2Go Ephyr is based on the recent X.Org-7. It brings multiply advantages: * We can run without any limitations any modern Desktops and applications. * We don't need to support obsolete X code, which makes the development and support much easier. ==== 2. X2Go Ephyr is a real X-Server ==== If x2goagent is just a proxy between X-Servers on the server and client sides, X2Go Ephyr is a standalone X-Server. It brings a lot of advantages over NX-protocol: * We don't need an X-Server on the client side. This is a main advantage. If we want to use NX-Libraries, we always need a fully functional X-Server on client, like XQuartz on Mac or VCXsrv on Windows. X-applications are not native to this OS and are always the source of many troubles. Another OS, like Android or IOS, doesn't have any usable X-Server software at all. Using X2Go Ephyr we can avoid this issue and build native clients for any platform and even develop HTML5 client. * The X2Go Ephyr architecture is better suited for the modern application like Firefox or Chromium. This applications are developed to run on different platforms and using cross-platform graphic libraries like Skia. Modern browsers and some other applications working much better with X2Go Ephyr than with NX. ===== How X2Go Ephyr works===== X2Go Ephyr works similar to Xephyr with only difference, that it's not rendering frames in the X-window but transferring them instead over the network to xephyrclient. Xephyrclient running on the client computer, rendering the frames, capturing the input events and sending them back to the server. ===== How to use X2Go Ephyr ===== xephyrclient and x2goephyr binaries are made to be compatible with nxproxy and x2goagent. You can just rename xephyrclient to nxproxy and x2goephyr to x2goagent and start the X2Go session using X2Go Client. It works only if X2Go Client is running on Linux. The versions of X2Go Client and X2Go Server, which can run parallel x2goagent and X2Go Ephyr sessions are coming soon. **Please keep in mind:** * This is not a stable software. * Use it on your own risk and don't use it in productive environment. * At the moment it's only a preview version. We assume you know how X2Go works and you know what are you doing. We don't have a binary builds yet. If you want to try it, you need to build it by yourself or wait until binary packages are ready. Or just take a look at screenshots: {{:wiki:advanced:x2goephyr:screenshot_20181217_153306.png?direct&400|}} KDE-5 on Open SUSE Leap 42.3 {{:wiki:advanced:x2goephyr:screenshot_20181217_153541.png?direct&400|}} xephyrclient display menu {{:wiki:advanced:x2goephyr:screenshot_20181217_154248.png?direct&400|}} Gnome-3 in SLE-classic mode on SLES 12sp1 {{:wiki:advanced:x2goephyr:screenshot_20181217_155451.png?direct&400|}} Gnome-3 in modern look on Debian Stretch. ===== How to build X2Go Ephyr ===== download the x2goephyr from git: [[https://code.x2go.org/gitweb?p=x2goephyr.git/.git;a=summary|x2goephyr]] We assuming, that you are familiar with make, Xorg and know how to build software from sources. You'll need a xorg-server sources (1.19.2), zlib, libpng and libjpeg. Configure Xorg to build xephyr and start a build process (make). After that copy x2goephyr directories in ''xorg-server/hw/kdrive'', than change to ''xorg-server/hw/kdrive/x2goephyr'' and run ''make x2go''. This should build x2goephyr binary. The simplest way to build x2goephyr if you are using your system source packages. I'll give some examples for Debian, SLE12sp1 and OpenSUSE Leap 42.3 ==== Debain Stretch ==== * Install apt-source, and get source for xorg-server ''apt-build source xorg-server'' * Go to the source directory and build it with ''dpkg-buildpackage'' * Copy x2goephyr sources to ''xorg-server-1.19.2/hw/kdrive/'' * Create directory 'x2goephyr' in ''xorg-server-1.19.2/debian/build/main/hw/kdrive/'' * Link Makefile from ''xorg-server-1.19.2/hw/kdrive/x2goephyr'' to ''xorg-server-1.19.2/debian/build/main/hw/kdrive/x2goephyr'' * Go to ''xorg-server-1.19.2/debian/build/main/hw/kdrive/x2goephyr'' and run ''make x2go'' ==== SLES 12SP1 or OpenSUSE Leap 42.3 ==== * Download xorg-server SRPM for your system and install it * Install all dependencies you need to build xorg-server * Build xorg-server from SPEC file * Copy x2goephyr sources to ''BUILD/xorg-server-<your version>/hw/kdrive'' * You'll need apply a patch for your system: ''patch -p1 < osuse_42.3.patch'' or ''patch -p1 < sles12sp1.patch'' * Build binary: ''make x2go'' ===== How to build xephyr client ===== To build xephyrclient you'll need QT-5. * Get it from git: [[https://code.x2go.org/gitweb?p=xephyrclient.git/.git;a=summary|xephyrclient]] * Build it like any qt project: ''qmake && make'' ===== What X2Go Ephyr already can do ===== * Works with recent desktops and software * Supports SW 3D acceleration * Supports RANDR, works with multiply desktops in window and full screen modes * Supports JPEG and PNG compression * Supports frame caching * Can recognize windows scrolling and doesn't transfer frame areas, which are already in cache. * Works with 3D acceleration (if you are using Virtual GL) * Has QT client for Linux and Windows (Mac client not ready yet, but it's not complicated, only keyboard encoding is missing) ===== What need to be done (sorted by priority) ===== * Proper build scripts and integration with jenkins * Support in X2Go Client and X2Go Server (it's actually done, just need to discus how we'll integrate it in our builds) * Clipboard support * Mac client * Different optimizations for slow networks, frame dropping, etc * Video encodings * HTML5 client * .... -- This mail was generated by DokuWiki at https://wiki.x2go.org/

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[[X2Go Wiki]] file uploaded: wiki:advanced:x2goephyr:screenshot_20181217_153306.png
by wiki-admin＠x2go.org 17 Dec '18

17 Dec '18

A file was uploaded to your DokuWiki. Here are the details: File : https://wiki.x2go.org/lib/exe/fetch.php/wiki:advanced:x2goephyr:screenshot_… Old revision: --- Date : 2018/12/17 17:28 Browser : Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36 IP-Address : 188.192.205.150 Hostname : ipbcc0cd96.dynamic.kabel-deutschland.de Size : 658.8 KB MIME Type : png User : ncryer -- This mail was generated by DokuWiki at https://wiki.x2go.org/

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[[X2Go Wiki]] file uploaded: wiki:advanced:x2goephyr:screenshot_20181217_154248.png
by wiki-admin＠x2go.org 17 Dec '18

17 Dec '18

A file was uploaded to your DokuWiki. Here are the details: File : https://wiki.x2go.org/lib/exe/fetch.php/wiki:advanced:x2goephyr:screenshot_… Old revision: --- Date : 2018/12/17 17:28 Browser : Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36 IP-Address : 188.192.205.150 Hostname : ipbcc0cd96.dynamic.kabel-deutschland.de Size : 481.1 KB MIME Type : png User : ncryer -- This mail was generated by DokuWiki at https://wiki.x2go.org/

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[[X2Go Wiki]] file uploaded: wiki:advanced:x2goephyr:screenshot_20181217_153541.png
by wiki-admin＠x2go.org 17 Dec '18

17 Dec '18

A file was uploaded to your DokuWiki. Here are the details: File : https://wiki.x2go.org/lib/exe/fetch.php/wiki:advanced:x2goephyr:screenshot_… Old revision: --- Date : 2018/12/17 17:28 Browser : Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36 IP-Address : 188.192.205.150 Hostname : ipbcc0cd96.dynamic.kabel-deutschland.de Size : 1.1 MB MIME Type : png User : ncryer -- This mail was generated by DokuWiki at https://wiki.x2go.org/

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[[X2Go Wiki]] file uploaded: wiki:advanced:x2goephyr:screenshot_20181217_155451.png
by wiki-admin＠x2go.org 17 Dec '18

17 Dec '18

A file was uploaded to your DokuWiki. Here are the details: File : https://wiki.x2go.org/lib/exe/fetch.php/wiki:advanced:x2goephyr:screenshot_… Old revision: --- Date : 2018/12/17 17:28 Browser : Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36 IP-Address : 188.192.205.150 Hostname : ipbcc0cd96.dynamic.kabel-deutschland.de Size : 345.7 KB MIME Type : png User : ncryer -- This mail was generated by DokuWiki at https://wiki.x2go.org/

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[[X2Go Wiki]] page changed: wiki:advanced:start
by wiki-admin＠x2go.org 17 Dec '18

17 Dec '18

A page in your DokuWiki was added or changed. Here are the details: Date : 2018/12/17 16:14 Browser : Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36 IP-Address : 188.192.205.150 Hostname : ipbcc0cd96.dynamic.kabel-deutschland.de Old Revision: https://wiki.x2go.org/doku.php/wiki:advanced:start?rev=1483989436 New Revision: https://wiki.x2go.org/doku.php/wiki:advanced:start Edit Summary: User : ncryer @@ -95,7 +95,18 @@ <item>X2Go Admin Center|Administrate X2Go with X2Go's admin center|[[wiki:advanced:administration:start]]|{{:wiki:litte-phoca.png|}}</item> <item>CipUX Backend|Configuration of X2Go Admin Center's CipUX backend|[[wiki:advanced:administration:cipux]]|{{:wiki:litte-phoca.png|}}</item> </menu> </WRAP> + + ===== X2Go Ephyr ===== + + X2Go Ephyr is a kdrive X-Server based on Xephyr + + <WRAP round info> + <menu col=1,align=center,caption="X2Go Ephyr descriptions and HOWTOs"> + <item>X2Go Ephyr|Description and HOWTO|[[wiki:advanced:x2goephyr:start]]|{{:wiki:litte-phoca.png|}}</item> + </menu> + </WRAP> + -- This mail was generated by DokuWiki at https://wiki.x2go.org/

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[[X2Go Wiki]] page changed: doc:howto:tce
by wiki-admin＠x2go.org 16 Dec '18

16 Dec '18

A page in your DokuWiki was added or changed. Here are the details: Date : 2018/12/16 02:28 Browser : Mozilla/5.0 (X11; Linux x86_64; rv:52.9) Gecko/20100101 Goanna/3.4 Firefox/52.9 PaleMoon/27.9.4 IP-Address : 149.172.203.221 Hostname : HSI-KBW-149-172-203-221.hsi13.kabel-badenwuerttemberg.de Old Revision: https://wiki.x2go.org/doku.php/doc:howto:tce?rev=1544927147 New Revision: https://wiki.x2go.org/doku.php/doc:howto:tce Edit Summary: [List of open ToDos/FIXMEs for this page] updated info regarding network interface names User : stefanbaur @@ -1171,9 +1171,9 @@ FIXME ''pinentry-x2go'' and ''x2gosmartcardrules'' probably need further investigation to make smartcard authentication work. FIXME Even though we set the hostname to ''localhost'' using the corresponding boot parameter, as recommended by Debian, changing the name via DHCP does not work for all image flavours. One way to fix this might be http://blog.schlomo.schapiro.org/2013/11/setting-hostname-from-dhcp-in-debi… - FIXME At least when building a stretch TCE on a jessie system, you need to add kernel parameters ''net.ifnames=0 biosdevname=0'' to the image's kernel parameters, else you will receive error messages about the hostname script being unable to find eth0. This might not be necessary when building a stretch TCE on stretch. For a jessie TCE on jessie, it is not required. + FIXME <del>At least</del> when building a stretch TCE<del> on a jessie system,</del> you need to add kernel parameters ''net.ifnames=0 biosdevname=0'' to the image's kernel parameters, else you will receive error messages about the hostname script being unable to find eth0. <del>This might not be necessary when building a stretch TCE on stretch.</del> For a jessie TCE on jessie, it is not required. FIXME <del>There might be a race condition between the scripts handling the sshd keyfile and the ssh private key file copy task (/config ...), causing one to umount the fixed disk before the other is done reading/copying. What's weird is that there already is code that is supposed to keep this from happening, but it doesn't.</del> fixed in github repo, soon in x2go repo FIXME <del>Setting the time via NTP will fail if the TC can't establish a connection to an NTP server via the internet. It would make sense to allow specifying an internal NTP server via a boot parameter.</del> fixed in github repo, soon in x2go repo -- This mail was generated by DokuWiki at https://wiki.x2go.org/

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[[X2Go Wiki]] page changed: doc:howto:tce
by wiki-admin＠x2go.org 16 Dec '18

16 Dec '18

A page in your DokuWiki was added or changed. Here are the details: Date : 2018/12/16 02:25 Browser : Mozilla/5.0 (X11; Linux x86_64; rv:52.9) Gecko/20100101 Goanna/3.4 Firefox/52.9 PaleMoon/27.9.4 IP-Address : 149.172.203.221 Hostname : HSI-KBW-149-172-203-221.hsi13.kabel-badenwuerttemberg.de Old Revision: https://wiki.x2go.org/doku.php/doc:howto:tce?rev=1543958019 New Revision: https://wiki.x2go.org/doku.php/doc:howto:tce Edit Summary: [List of open ToDos/FIXMEs for this page] fixed MMD copysecring issue User : stefanbaur @@ -1150,9 +1150,9 @@ * To specify a keyfile, either: * use ''~/.ssh/keyfilename'' as path and use ''copysecring'', or * do not use ''copysecring'' and use ''/media/vendor_model_name/sdxn/path/to/keyfile'' (or ''/media/vendor_model_name/partlabel/path/to/keyfile'', if you assigned a partition label - which is recommended for this use case) as keyfile path/name - FIXME copying ssh private keys seems to fail in MiniDesktop-Mode - possibly because of the priming/pruning/cleanup action performed on the homedirectory by the minidesktop init scripts? + FIXME <del>copying ssh private keys seems to fail in MiniDesktop-Mode - possibly because of the priming/pruning/cleanup action performed on the homedirectory by the minidesktop init scripts?</del> should already be fixed in github repo, soon in x2go repo FIXME ''2200-xserver-xorg-getxorgconf'' should be taught to understand ''file:<nowiki>//</nowiki>'' URLs. FIXME Parsing the output of e.g. <code>udevadm info --query path /dev/sdb -- This mail was generated by DokuWiki at https://wiki.x2go.org/

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[[X2Go Wiki]] page changed: events:start
by wiki-admin＠x2go.org 14 Dec '18

14 Dec '18

A page in your DokuWiki was added or changed. Here are the details: Date : 2018/12/14 15:37 Browser : Mozilla/5.0 (X11; Linux x86_64; rv:52.9) Gecko/20100101 Goanna/3.4 Firefox/52.9 PaleMoon/27.9.4 IP-Address : 149.172.203.221 Hostname : HSI-KBW-149-172-203-221.hsi13.kabel-badenwuerttemberg.de Old Revision: https://wiki.x2go.org/doku.php/events:start?rev=1542841970 New Revision: https://wiki.x2go.org/doku.php/events:start Edit Summary: [Tentative] User : stefanbaur @@ -4,9 +4,9 @@ ===== 2019 ===== ====Tentative==== * IT-Kongress 2019, Neu-Ulm, Germany - no date yet, no CfP yet, participation unlikely * LinuxDay.AT 2019, Dornbirn, Austria - no date yet, no CfP yet - * X2Go: The Gathering 2019, Linuxhotel, Essen, Germany - TBD + * X2Go: The Gathering 2019, Linuxhotel, Essen, Germany - TBD - maybe May/June? * TUEBIX 2019, Tübingen, Germany - no date yet, no CfP yet * Linuxwochen Wien 2019, Vienna, Austria, 2019-05-02 - 2019-05-04 (no CfP yet) * <del>Pi and More 11 1/2, Krefeld, Germany, 2019-04-06</del> - sorry, X2Go won't be there, not enough volunteers in that region. :( * LinuxInfoTag Augsburg 2019, Augsburg, Germany - No date yet, no CfP yet -- This mail was generated by DokuWiki at https://wiki.x2go.org/

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