OS Ubuntu 24.04
uname -a
Linux paryav-HPG6 6.13.0-061300rc1-generic #202412012327 SMP PREEMPT_DYNAMIC Wed Dec 4 20:14:29 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
x11 forwarding error
[4/29/2025 9:14:13 PM] Starting SSH, verbose level: 4
[4/29/2025 9:14:13 PM] Setting up connection
[4/29/2025 9:14:13 PM] Connecting to port: 22 (IPv4 - 6)
[4/29/2025 9:14:13 PM] SSH banner: SSH-2.0-OpenSSH_9.6p1 Ubuntu-3ubuntu13.11
[4/29/2025 9:14:13 PM] Sending kex init
[4/29/2025 9:14:13 PM] Received kex init
[4/29/2025 9:14:13 PM] Selected algorithms: curve25519-sha256(strict), ssh-ed25519, chacha20-poly1305@openssh.com, chacha20-poly1305@openssh.com, implicit by cipher, implicit by cipher, none, none
[4/29/2025 9:14:13 PM] Sending Ed25519 kex init
[4/29/2025 9:14:14 PM] Received Ed25519 kex reply
[4/29/2025 9:14:14 PM] Successfully authentified server
[4/29/2025 9:14:14 PM] Sending new keys message
[4/29/2025 9:14:14 PM] Received new keys message
[4/29/2025 9:14:14 PM] Sending userauth service request
[4/29/2025 9:14:14 PM] Received extension info message
[4/29/2025 9:14:14 PM] Server accepts public key types: ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,sk-ssh-ed25519@openssh.com,sk-ecdsa-sha2-nistp256@openssh.com,rsa-sha2-512,rsa-sha2-256
[4/29/2025 9:14:14 PM] Received service accepted message
[4/29/2025 9:14:14 PM] Sending userauth init request
[4/29/2025 9:14:14 PM] Received userauth failure: publickey,gssapi-keyex,gssapi-with-mic,password,keyboard-interactive
[4/29/2025 9:14:14 PM] Starting interactive authentication
[4/29/2025 9:14:14 PM] Sending userauth interactive request
[4/29/2025 9:14:14 PM] Received userauth info request:
[Prompt->Password: ]
[4/29/2025 9:14:14 PM] Sending userauth interactive response: 1
[4/29/2025 9:14:14 PM] Received userauth info request:
[4/29/2025 9:14:14 PM] Sending userauth interactive response: 0
[4/29/2025 9:14:14 PM] Received userauth success
[4/29/2025 9:14:14 PM] User authenticated successfuly by password interactive
[4/29/2025 9:14:14 PM] Sending session channel open request: 0/-
[4/29/2025 9:14:15 PM] Received global request: hostkeys-00@openssh.com , no need to reply
[4/29/2025 9:14:15 PM] Received channel open confirmation: 0/0 WS 200000/0 MPS 32000/32768
[4/29/2025 9:14:15 PM] Sending pty request: 0/0 xterm-256color width = 164 height = 49
[4/29/2025 9:14:15 PM] Received channel success: 0/0
[4/29/2025 9:14:15 PM] Sending environment variable request: LANG=en_US.UTF-8 0/0
[4/29/2025 9:14:15 PM] Received channel success: 0/0
[4/29/2025 9:14:15 PM] Display name for X11 forwarding: localhost:0
[4/29/2025 9:14:15 PM] Using X authority file: /run/user/1000/gdm/Xauthority
[4/29/2025 9:14:15 PM] Using local MIT magic cookie for display: paryav-HPG6:
[4/29/2025 9:14:15 PM] Sending X11 forwarding request: MIT-MAGIC-COOKIE-1 (32 auth bytes) 0/0
[4/29/2025 9:14:15 PM] Received channel success: 0/0
[4/29/2025 9:14:15 PM] Sending shell request: 0/0
[4/29/2025 9:14:15 PM] Received window adjust: 0/0 2097152
[4/29/2025 9:14:15 PM] Received channel success: 0/0
[4/29/2025 9:14:15 PM] Sending pty size change: 0/0 width = 164 height = 49
[4/29/2025 9:14:15 PM] New Data 1268 bytes
Welcome to Ubuntu 24.04.1 LTS (GNU/Linux 6.8.0-57-generic x86_64)
* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/pro
System information as of вівторок, 29 квітня 2025 22:14:25 +0300
System load: 0.05 Processes: 229
Usage of /: 1.8% of 489.11GB Users logged in: 0
Memory usage: 13% IPv4 address for ens192: 10.229.229.150
Swap usage: 0%
* Strictly confined Kubernetes makes edge and IoT secure. Learn how MicroK8s
just raised the bar for easy, resilient and secure K8s cluster deployment.
https://ubuntu.com/engage/secure-kubernetes-at-the-edge
Expanded Security Maintenance for Applications is not enabled.
Enable ESM Apps to receive additional future security updates.
See https://ubuntu.com/esm or run: sudo pro status
*** Потрібно перезавантажити систему ***
Last login: Tue Apr 29 22:07:30 2025 from 10.229.229.149
[4/29/2025 9:14:15 PM] New Data 82 bytes
paryav@kv-v37-mgmt:~$ [4/29/2025 9:14:16 PM] Sending session channel open request: 1/-
[4/29/2025 9:14:16 PM] Sending pty size change: 0/0 width = 139 height = 49
[4/29/2025 9:14:16 PM] Received channel open confirmation: 1/3 WS 200000/0 MPS 32000/32768
[4/29/2025 9:14:16 PM] Sending subsystem request: 1/3 sftp
[4/29/2025 9:14:16 PM] New Data 79 bytes
@mgmt:~$ [4/29/2025 9:14:16 PM] Received window adjust: 1/3 2097152
[4/29/2025 9:14:16 PM] Received channel success: 1/3
[4/29/2025 9:14:16 PM] New Data 322 bytes
[4/29/2025 9:14:16 PM] New Data 49 bytes
[4/29/2025 9:14:16 PM] New Data 17 bytes
[4/29/2025 9:14:16 PM] New Data 901 bytes
[4/29/2025 9:14:16 PM] New Data 32 bytes
[4/29/2025 9:14:16 PM] New Data 28 bytes
[4/29/2025 9:14:29 PM] New Data 93 bytes
paryav@kv-v37-mgmt:~$ [4/29/2025 9:14:29 PM] New Data 6 bytes
xclock[4/29/2025 9:14:31 PM] New Data 19 bytes
echo $DISPLAY[4/29/2025 9:14:32 PM] New Data 109 bytes
localhost:10.0
@mgmt:~$ [4/29/2025 9:14:33 PM] New Data 13 bytes
echo $DISPLAY[4/29/2025 9:14:33 PM] New Data 23 bytes
xclock[4/29/2025 9:14:34 PM] New Data 2 bytes
[4/29/2025 9:14:34 PM] New Data 9 bytes
[4/29/2025 9:14:34 PM] Received channel open request: X11
[4/29/2025 9:14:34 PM] Connecting to X server: localhost:6000
[4/29/2025 9:14:34 PM] Successfully established X11 connection
[4/29/2025 9:14:34 PM] Sending channel open confirmation: 2/4
[4/29/2025 9:14:34 PM] Sending channel close request: 2/4
State error, ending connection X11
[(-22) Connection reset.]
[4/29/2025 9:14:34 PM] New Data 48 bytes
[4/29/2025 9:14:34 PM] Received channel close request: 2/4
[4/29/2025 9:14:34 PM] Channel is closed: 2/4
[4/29/2025 9:14:34 PM] New Data 43 bytes
Error: Can't open display: localhost:10.0
[4/29/2025 9:14:34 PM] New Data 82 bytes
@mgmt:~$
p.s. Putty work normal
Hello,
Interestingly, I’m not experiencing any issues with X11 on RDM Linux.
Could you please check the SSH entry properties? Navigate to SSH Terminal → X11 and ensure that X11 forwarding is enabled and configured correctly.
Please keep us informed about your progress.
Best regards,
Carl Marien