x2go-user May 2018

x2go-user@lists.x2go.org

21 participants
21 discussions

Clipboard stops working
by Norm Green 11 Mar '19

11 Mar '19

Hello List, I find that the clipboard stops working after a period of time. Specifically, copying from the windows desktop to the x2go window doesn't work because x2go thinks the clipboard is empty. I am copying from emacs on Windows to emacs on Linux. It doesn't matter how many times I select and copy on windows, x2go does not pass the clipboard contents to emacs on Linux. But if I disconnect from the server and reconnect, it works, using the same emacs windows. This is with x2go client … [View More]

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Connection timeout over high latency network links
by Brent Roman 08 Mar '19

08 Mar '19

I'm trying to run a remote X-session on a satellite link. The ping latency is typically 800ms. I have no trouble ssh'ing to the remote machine, but, whenever I try to connect a remote session via the x2goclient, it ends within a couple seconds with a dialog box saying: Timeout connecting to raven raven is the remote hostname. Both machines are running Debian Jessie. The x2goclient is version 4.4.1.0 Is there some connection timeout parameter that I could increase to make it possible to … [View More]

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Re: [X2Go-User] ssh kex error
by is＠k4ts.net 13 Nov '18

13 Nov '18

Am 19.10.2015 17:06, schrieb Robert Dinse: > the new version of openssh disabled certain insecure > ciphers... Version7 is what you mean. I use 6.9 on both client and server. > you can add > the following line to your /etc/ssh/sshd_config manually enable the > insecure old ciphers: > > KexAlgorithms > curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1,diffie-hellman-… [View More]group-exchange-sha1,diffie-hellman-group1-sha1 Adding these ciphers doesn't help - same algo error, Thats wired coz I can ssh to the server without any issues. > -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_- > Eskimo North Linux Friendly Internet Access, Shell Accounts, and > Hosting. > Knowledgeable human assistance, not telephone trees or script > readers. > See our web site: http://www.eskimo.com/ (206) 812-0051 or (800) > 246-6874. > > On Mon, 19 Oct 2015, is(a)k4ts.net wrote: > >> Date: Mon, 19 Oct 2015 15:12:43 +0200 >> From: is(a)k4ts.net >> To: x2go-user(a)lists.x2go.org >> Subject: [X2Go-User] ssh kex error >> >> hi, i'm not able to connect >> to my new hardened gentoo server using x2go. >> >> No matter which key type i select for the connection, >> the client (v. 4.0.5.0) terminates with the following: >> >> kex error : no match for method server host key algo: >> server [ssh-rsa,ssh-ed25519], client [ecdsa-sha2-nistp256] >> >> I have rsa and ed25519 keys on my client and server. >> >> sshing from the shell works like always. log is attached. >> >> do you have an idea, whats might wrong? >> >> thx, >> k4t >> >> k4tfish@e10 ~ $ ssh k4tfish@host >> OpenSSH_6.9p1-hpn14v5, OpenSSL 1.0.2d 9 Jul 2015 >> debug1: Reading configuration data /etc/ssh/ssh_config >> debug1: Connecting to host.net port 51822. >> debug1: Connection established. >> debug1: identity file /home/k4tfish/.ssh/id_rsa type 1 >> debug1: key_load_public: No such file or directory >> debug1: identity file /home/k4tfish/.ssh/id_rsa-cert type -1 >> debug1: key_load_public: No such file or directory >> debug1: identity file /home/k4tfish/.ssh/id_dsa type -1 >> debug1: key_load_public: No such file or directory >> debug1: identity file /home/k4tfish/.ssh/id_dsa-cert type -1 >> debug1: key_load_public: No such file or directory >> debug1: identity file /home/k4tfish/.ssh/id_ecdsa type -1 >> debug1: key_load_public: No such file or directory >> debug1: identity file /home/k4tfish/.ssh/id_ecdsa-cert type -1 >> debug1: key_load_public: No such file or directory >> debug1: identity file /home/k4tfish/.ssh/id_ed25519 type -1 >> debug1: key_load_public: No such file or directory >> debug1: identity file /home/k4tfish/.ssh/id_ed25519-cert type -1 >> debug1: Enabling compatibility mode for protocol 2.0 >> debug1: Local version string SSH-2.0-OpenSSH_6.9p1-hpn14v5 >> debug1: Remote protocol version 2.0, remote software version >> OpenSSH_6.9p1-hpn14v5 >> debug1: match: OpenSSH_6.9p1-hpn14v5 pat OpenSSH* compat 0x04000000 >> debug1: Authenticating to host...net:51822 as 'k4tfish' >> debug1: SSH2_MSG_KEXINIT sent >> debug1: SSH2_MSG_KEXINIT received >> debug1: AUTH STATE IS 0 >> debug1: REQUESTED ENC.NAME is 'chacha20-poly1305(a)openssh.com' >> debug1: kex: server->client chacha20-poly1305(a)openssh.com <implicit> >> none >> debug1: REQUESTED ENC.NAME is 'chacha20-poly1305(a)openssh.com' >> debug1: kex: client->server chacha20-poly1305(a)openssh.com <implicit> >> none >> debug1: expecting SSH2_MSG_KEX_ECDH_REPLY >> debug1: Server host key: ssh-ed25519 SHA256:xyz >> debug1: Host '[host.net]:51822' is known and matches the ED25519 host >> key. >> debug1: Found key in /home/k4tfish/.ssh/known_hosts:203 >> debug1: SSH2_MSG_NEWKEYS sent >> debug1: expecting SSH2_MSG_NEWKEYS >> debug1: SSH2_MSG_NEWKEYS received >> debug1: Roaming not allowed by server >> debug1: SSH2_MSG_SERVICE_REQUEST sent >> debug1: SSH2_MSG_SERVICE_ACCEPT received >> debug1: Authentications that can continue: >> publickey,password,keyboard-interactive >> debug1: Next authentication method: publickey >> debug1: Offering RSA public key: /home/k4tfish/.ssh/id_rsa >> debug1: Server accepts key: pkalg ssh-rsa blen 279 >> debug1: Authentication succeeded (publickey). >> Authenticated to host ([123.123.456.7]:51822). >> debug1: Final hpn_buffer_size = 2097152 >> debug1: HPN Disabled: 0, HPN Buffer Size: 2097152 >> debug1: channel 0: new [client-session] >> debug1: Enabled Dynamic Window Scaling >> debug1: Requesting no-more-sessions(a)openssh.com >> debug1: Entering interactive session. >> debug1: client_input_global_request: rtype hostkeys-00(a)openssh.com >> want_reply 0 >> debug1: Sending environment. >> debug1: Sending env LC_COLLATE = C >> debug1: Sending env LANG = en_US.utf8 >> >> _______________________________________________ >> x2go-user mailing list >> x2go-user(a)lists.x2go.org >> http://lists.x2go.org/listinfo/x2go-user >> [View Less]

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Local Desktop access crashes client almost immediately
by James M. Pulver 06 Oct '18

06 Oct '18

I'm running Scientific Linux 7.4 on the server, and Windows 7 on the client. I want to access my accounts (non-privileged) local desktop remotely. I log in and select the local desktop option in the client. I get a flash of the desktop (with the wrong screen size remotely anyway - I see a small part of the desktop) and then the Windows X server crashes. x2goserver-4.0.1.20-1.el7.x86_64 X2Go Client v. 4.1.0.0 Any ideas? -- James Pulver CLASSE Computer Group Cornell University

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It might be that we already have KDE5/Plasma support ...
by Stefan Baur 01 Oct '18

01 Oct '18

Hi $LIST, According to Mike#1, who currently attends DebConf in Montreal, Debian 9 + X2Go Stable + KDE5/Plasma have been shown to work together. This is a single report so far, though. If anyone is willing and able to test and confirm this, it would be highly appreciated. Another test result we'd be interested in would be what happens if you use Arctica NX-Libs and X2Go Heuler instead of X2Go Stable. Kind Regards, Stefan Baur -- BAUR-ITCS UG (haftungsbeschränkt) Geschäftsführer: Stefan … [View More]

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MATE screensaver is not activated when connected via x2go
by Jens Bürger 04 Jul '18

04 Jul '18

Hello all, I am working with a fresh X2Go install based on Debian 9. I recently discovered that the MATE screensaver is not activated when connected through X2Go. When I connect to the server locally, it works fine. Any suggestions? Kind regards, Jens

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Forcing connection speed setting based upon IP address
by Steve Bergman 29 May '18

29 May '18

Hi, I have a central LAN, where the X2Go server and many clients live, and several branch offices which connect via the WAN. I used to be able to modify the FreeNX 'nxacl' script to force 'LAN' for local clients, and 'ADSL' for everyone else. Last I looked, there was no such facility in the X2Go server, and the team had posted good reasons (which I can't quite recall) why that file was not coming back. But does X2Go server have a way for me to accomplish what I want? I still find the … [View More]

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Large latency when opening a new session
by Laurent Pouilloux 29 May '18

29 May '18

Dear X2go-users, for almost 2 years we are using X2GO with VirtualGL to provides visualization tool on our computing facility and it is very efficient tool. However, we are facing a problem with our current setup that seems related to the number of users connected. We have a machine built on a Dell R730 server (40 cores, 512 GB, Quadro P2000) installed on Centos 7. X2go is installed from EPEL repository, in version 4.0.1.22 For about one month, establishing the connection is very slow. … [View More]As you can see in the log file below, it waits two minutes before to start a first session (lpouillo-1103-1526465870_stDXFCE_dp24) that does not seem to work then create a second one about 10 minutes later(C-lpouillo-1159-1527588238_stDXFCE_dp24) This error seems correlated with the number of active users, including pts (when it is > 80) but I don't see any limits (max pty, max open files, or in x2goserver.conf which is the one by default) that is reached. Do you have any idea on how to diagnose/solve the problem ? Tell me if you need more information. Best regards, Laurent Pouilloux Ex : May 29 11:54:14 visu systemd-logind: New session 17176 of user lpouillo. May 29 11:54:14 visu systemd: Started Session 17176 of user lpouillo. May 29 11:54:14 visu systemd: Starting Session 17176 of user lpouillo. May 29 11:56:10 visu /usr/bin/x2gosuspend-session: x2gosuspend-session called with options: lpouillo-1103-1526465870_stDXFCE_dp24 May 29 11:56:11 visu /usr/bin/x2goserver-run-extensions: x2goserver-run-extensions called with options: lpouillo-1103-1526465870_stDXFCE_dp24 pre-suspend May 29 11:56:11 visu /usr/bin/x2goumount-session[136078]: x2goumount-session has been called with options: lpouillo-1103-1526465870_stDXFCE_dp24 May 29 11:56:30 visu /usr/bin/x2gosuspend-session: x2gosuspend-session called with options: lpouillo-1103-1526465870_stDXFCE_dp24 May 29 11:56:30 visu /usr/bin/x2goserver-run-extensions: x2goserver-run-extensions called with options: lpouillo-1103-1526465870_stDXFCE_dp24 pre-suspend May 29 11:56:31 visu /usr/bin/x2goumount-session[138594]: x2goumount-session has been called with options: lpouillo-1103-1526465870_stDXFCE_dp24 May 29 11:56:50 visu /usr/bin/x2gosuspend-session: x2gosuspend-session called with options: lpouillo-1103-1526465870_stDXFCE_dp24 May 29 11:56:50 visu /usr/bin/x2goserver-run-extensions: x2goserver-run-extensions called with options: lpouillo-1103-1526465870_stDXFCE_dp24 pre-suspend May 29 11:56:50 visu /usr/bin/x2goumount-session[141127]: x2goumount-session has been called with options: lpouillo-1103-1526465870_stDXFCE_dp24 May 29 12:04:00 visu /usr/bin/x2gostartagent: successfully started X2Go agent session with ID lpouillo-1159-1527588238_stDXFCE_dp24 May 29 12:04:02 visu /usr/bin/x2gomountdirs[514]: successfully mounted lpouillo@127.0.0.1:61406/home/lpouillo/SRC to /tmp/.x2go-lpouillo/media/disk/_home_lpouillo_SRC May 29 12:04:02 visu /usr/bin/x2gosetkeyboard: Setting X keyboard according to /home/lmfa/lpouillo/.x2go/C-lpouillo-1159-1527588238_stDXFCE_dp24/keyboard May 29 12:04:03 visu /usr/bin/x2gomountdirs[514]: successfully mounted lpouillo@127.0.0.1:61406/home/lpouillo/.x2go/S-lpouillo-1159-1527588238_stDXFCE_dp24/spool to /tmp/.x2go-lpouillo/spool/C-lpouillo-1159-1527588238_stDXFCE_dp24 -- Ingénieur en Calcul Scientifique Laboratoire de Mécanique des Fluides et d'Acoustique École Centrale de Lyon 36 Avenue Guy de Collongue, 69130 Écully Batiment I11 - Bureau 11097W Tél : 04.72.18.61.57 [View Less]

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Numeric Keyboard no response sometimes
by CARLOS OMAR ALONZO 25 May '18

25 May '18

Hi, I´m having problems with the Num Lock function of keyboard, on clients x2go windows & linux, when the session start on client x2go the Num Lock function of keyboard no activate and the numeric keyboard no response sometimes. Any idea ? Please, help me.... -- Carlos O. Alonzo A |Casa del tornillo, S.A |Departamento de informática | Data Center | mail: progra1(a)casator.com

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Subscription information regarding x2go-user - please read
by Mike Gabriel 24 May '18

24 May '18

Dear Subscriber, As the regulations of the GDPR <https://gdpr-info.eu/> are becoming effective on May 25, 2018, we would like to send you a quick reminder about your subscription to the mailing list named x2go-user HERE'S WHAT YOU NEED TO DO NOW You need to read this entire message. No further action will be required on your part, unless after reading, you don't want to be subscribed any longer - in that case, please follow the instructions below. HERE'S HOW TO REVIEW YOUR SETTINGS … [View More] You may review your account settings at any time, and unsubscribe, should you ever wish to, by going to <https://lists.x2go.org/listinfo/x2go-user> HERE'S WHY WE BELIEVE WE MAY SEND YOU LIST E-MAILS As we have sufficient reason to believe that you personally signed up, due to us using a two-step (AKA "double opt-in") subscription process, an active subscription will be taken as consent in the sense of Article 6 (1) a) and Article 7 (1) of the GDPR. HERE'S HOW TO UNSUBSCRIBE You have the right to withdraw your consent at any time, thus ending your subscription, as per Article 7 (3) of the GDPR. To do so, please unsubscribe using the link above. To protect against accidental or "hostile" unsubscribing, a two-step process is also used to handle unsubscribe requests. HERE'S WHAT TO DO IF YOU ENCOUNTER PROBLEMS UNSUBSCRIBING If you have difficulties unsubscribing, because the E-Mail with the unsubscribe link isn't showing up in your E-Mail inbox, please, first check your SPAM folder for any messages our list server may have been trying to send you; if nothing shows up there either, please contact the list administrators at: <mailto:x2go-user-owner@lists.x2go.org> HERE'S HOW WE HANDLE YOUR E-MAIL ADDRESS DATA Please understand that we need to keep your E-Mail address stored in our database for the duration of your subscription, which is a justifiable cause as set forth in Article 6 (1) b) of the GDPR. Your E-Mail address will be deleted from the distribution list automatically and immediately upon unsubscribing, and may be blacklisted (thus stored permanently, but blocked from receiving messages) either on your request, or if we notice abuse stemming from your address. Your E-Mail address is not shared with others, unless you actively post to the list. If you do, it will become visible to all other subscribers, and it may also become visible in part or fully on web sites that offer a public archive of mailing list posts, as well as in our own archive, which you can find here: <http://lists.x2go.org/pipermail/x2go-user> If you want to keep your real E-Mail address secret from the public, while remaining subscribed, we suggest you either refrain from posting, or subscribe with a temporary, "burner" E-Mail address you created specifically for that purpose. HERE'S HOW TO REQUEST MESSAGE DELETION If you believe an E-Mail you sent should be purged from the public archive that we operate (see the link above), please also contact the list administrators at <mailto:x2go-user-owner@lists.x2go.org> Note that list administrators have no influence what other recipients of the particular list message do with it - e.g. if others choose to mirror contents of our list archive on their own web site, you will need to contact them separately with your deletion request. Thank you for taking the time to read this far, and for being a subscriber. Have a nice day. [View Less]

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x2go-user May 2018