FWIW, I can Guacamole RDP to Ubuntu 25.04 with apt-get -qq install xrdp
systemctl restart xrdp That’s with ubuntu-desktop. Guacamole 1.6.0 Docker containers. On Wed, Nov 19, 2025 at 8:30 AM Brett Bisesti <[email protected]> wrote: > Hello, > > I hope you are all well! > > I am working on setting up a local KVM lab with RDP access into it via > Apache Guacamole (setup Docker 1.6.0 containers with > guacamole/guacd/postgres). The setup appears to be working and I can SSH > into the sample Ubuntu Jammy VM in my KVM instance I currently have > running. That said RDP via Guacamole fails. I did double check using > Remmina and RDP into the machine IS successful, but the below is the guacd > log error I get when I try connecting via Guacamole. The bizarre thing is I > get the same error when I tried to connect to several different OS VMs I > have setup: > > - Ubuntu Jammy 22.04 (this error log) > - Ubuntu noble 24.04 > - Linux Mint > - Fedora 43 > > Has anyone else run into this error? I've been researching this setup and > it appears to be a common one though I haven't found anyone else who's run > into this yet after several hours of looking? One other tidbit is I DID > have a Guacamole docker container running a few weeks ago which did allow > me to RDP into a Linux Mint VM...but where I'm still building the lab setup > I moved my compose file and re-built containers, and the new containers do > not appear to be working anymore. Leads me to believe that there may be an > issue with the most recent (as of the past two weeks - the working version > was a few weeks ago) docker images out of docker hub, but I haven't found > any evidence from the internet to suggest that is the case? > > That said I've been bashing my head against a wall for a couple of days > now, so for anyone who can help out - I REALLY appreciate it! > > begging of guacd log: > ------------------------------------------------------------ > > guacd[1]: INFO: Creating new client for protocol "rdp" > guacd[1]: INFO: Connection ID is "$bc0b4f36-5c15-4811-8301-c5a292aba67f" > guacd[8]: DEBUG: Processing instruction: size > guacd[8]: DEBUG: Processing instruction: audio > guacd[8]: DEBUG: Processing instruction: video > guacd[8]: DEBUG: Processing instruction: image > guacd[8]: DEBUG: Processing instruction: timezone > guacd[8]: DEBUG: Processing instruction: name > guacd[8]: DEBUG: Parameter "console" omitted. Using default value of 0. > guacd[8]: DEBUG: Parameter "console-audio" omitted. Using default value of > 0. > guacd[8]: DEBUG: Parameter "ignore-cert" omitted. Using default value of 0. > guacd[8]: DEBUG: Parameter "cert-tofu" omitted. Using default value of 0. > guacd[8]: DEBUG: Parameter "disable-auth" omitted. Using default value of > 0. > guacd[8]: INFO: No security mode specified. Defaulting to security mode > negotiation with server. > guacd[8]: DEBUG: Parameter "timeout" omitted. Using default value of 10. > guacd[8]: DEBUG: User resolution is 1920x894 at 96 DPI > guacd[8]: DEBUG: Parameter "dpi" omitted. Using default value of 96. > guacd[8]: DEBUG: Using resolution of 1920x894 at 96 DPI > guacd[8]: DEBUG: Parameter "force-lossless" omitted. Using default value > of 0. > guacd[8]: DEBUG: Parameter "read-only" omitted. Using default value of 0. > guacd[8]: DEBUG: Parameter "client-name" omitted. Using default value of > "Guacamole RDP". > guacd[8]: DEBUG: Parameter "enable-wallpaper" omitted. Using default value > of 0. > guacd[8]: DEBUG: Parameter "enable-theming" omitted. Using default value > of 0. > guacd[8]: DEBUG: Parameter "enable-font-smoothing" omitted. Using default > value of 0. > guacd[8]: DEBUG: Parameter "enable-full-window-drag" omitted. Using > default value of 0. > guacd[8]: DEBUG: Parameter "enable-desktop-composition" omitted. Using > default value of 0. > guacd[8]: DEBUG: Parameter "enable-menu-animations" omitted. Using default > value of 0. > guacd[8]: DEBUG: Parameter "disable-bitmap-caching" omitted. Using default > value of 0. > guacd[8]: DEBUG: Parameter "disable-offscreen-caching" omitted. Using > default value of 0. > guacd[8]: DEBUG: Parameter "disable-glyph-caching" omitted. Using default > value of 0. > guacd[8]: DEBUG: Glyph caching is currently universally disabled, > regardless of the value of t > he "disable-glyph-caching" parameter, as glyph caching support is not > considered stable by FreeRDP as > of the FreeRDP 2.0.0 release. See: > https://issues.apache.org/jira/browse/GUACAMOLE-1191 > guacd[8]: DEBUG: Parameter "disable-audio" omitted. Using default value of > 0. > guacd[8]: DEBUG: Parameter "enable-printing" omitted. Using default value > of 0. > guacd[8]: DEBUG: Parameter "printer-name" omitted. Using default value of > "Guacamole Printer". > guacd[8]: DEBUG: Parameter "enable-drive" omitted. Using default value of > 0. > guacd[8]: DEBUG: Parameter "drive-name" omitted. Using default value of > "Guacamole Filesystem" > . > guacd[8]: DEBUG: Parameter "drive-path" omitted. Using default value of "". > guacd[8]: DEBUG: Parameter "create-drive-path" omitted. Using default > value of 0. > guacd[8]: DEBUG: Parameter "disable-download" omitted. Using default value > of 0. > guacd[8]: DEBUG: Parameter "disable-upload" omitted. Using default value > of 0. > guacd[8]: DEBUG: Parameter "timezone" omitted. Using default value of > "America/New_York". > guacd[8]: DEBUG: Parameter "enable-sftp" omitted. Using default value of 0. > guacd[8]: DEBUG: Parameter "sftp-hostname" omitted. Using default value of > "192.168.2.193". > guacd[8]: DEBUG: Parameter "sftp-port" omitted. Using default value of > "22". > guacd[8]: DEBUG: Parameter "sftp-timeout" omitted. Using default value of > 10. > guacd[8]: DEBUG: Parameter "sftp-username" omitted. Using default value of > "bbisesti". > guacd[8]: DEBUG: Parameter "sftp-password" omitted. Using default value of > "". > guacd[8]: DEBUG: Parameter "sftp-passphrase" omitted. Using default value > of "". > guacd[8]: DEBUG: Parameter "sftp-root-directory" omitted. Using default > value of "/". > guacd[8]: DEBUG: Parameter "sftp-server-alive-interval" omitted. Using > default value of 0. > guacd[8]: DEBUG: Parameter "sftp-disable-download" omitted. Using default > value of 0. > guacd[8]: DEBUG: Parameter "sftp-disable-upload" omitted. Using default > value of 0. > guacd[8]: DEBUG: Parameter "recording-name" omitted. Using default value > of "recording". > guacd[8]: DEBUG: Parameter "recording-exclude-output" omitted. Using > default value of 0. > guacd[8]: DEBUG: Parameter "recording-exclude-mouse" omitted. Using > default value of 0. > guacd[8]: DEBUG: Parameter "recording-exclude-touch" omitted. Using > default value of 0. > guacd[8]: DEBUG: Parameter "recording-include-keys" omitted. Using default > value of 0. > guacd[8]: DEBUG: Parameter "create-recording-path" omitted. Using default > value of 0. > guacd[8]: DEBUG: Parameter "recording-write-existing" omitted. Using > default value of 0. > guacd[8]: INFO: Resize method: none > guacd[8]: DEBUG: Parameter "disable-gfx" omitted. Using default value of 0. > guacd[8]: DEBUG: Parameter "color-depth" omitted. Using default value of > 32. > guacd[8]: DEBUG: Parameter "enable-touch" omitted. Using default value of > 0. > guacd[8]: DEBUG: Parameter "enable-audio-input" omitted. Using default > value of 0. > guacd[8]: DEBUG: Parameter "gateway-port" omitted. Using default value of > 443. > guacd[8]: DEBUG: Parameter "disable-copy" omitted. Using default value of > 0. > guacd[8]: DEBUG: Parameter "disable-paste" omitted. Using default value of > 0. > guacd[8]: INFO: No clipboard line-ending normalization specified. > Defaulting to preserving the format > of all line endings. > guacd[8]: DEBUG: Parameter "wol-send-packet" omitted. Using default value > of 0. > guacd[8]: INFO: User "@fbf6145d-c785-4661-b025-782e6d1adbbf" joined > connection "$bc0b4f36-5c15-4811-8 > 301-c5a292aba67f" (1 users now present) > guacd[8]: DEBUG: Client is using protocol version "VERSION_1_5_0" > guacd[8]: INFO: Local system reports 512 processor(s) are available. > guacd[8]: INFO: Graphical updates will be encoded using 512 worker > thread(s). > guacd[8]: INFO: Loading keymap "base" > guacd[8]: INFO: Loading keymap "en-us-qwerty" > guacd[8]: DEBUG: Local framebuffer format PIXEL_FORMAT_BGRX32 > guacd[8]: DEBUG: Remote framebuffer format PIXEL_FORMAT_BGRA32 > guacd[8]: DEBUG: Support for CLIPRDR (clipboard redirection) registered. > Awaiting channel conn > ection. > guacd[8]: DEBUG: Support for static channel "rdpdr" loaded. > guacd[8]: DEBUG: Support for static channel "rdpsnd" loaded. > > *guacd[8]: DEBUG: failed to create eventguacd[8]: DEBUG: Failed to create > progressive codec context* > guacd[8]: DEBUG: SVC "rdpdr" disconnected. > guacd[8]: DEBUG: SVC "rdpsnd" disconnected. > guacd[8]: INFO: RDP server closed/refused connection: Disconnected. > guacd[8]: TRACE: Received nop instruction > guacd[8]: INFO: User "@fbf6145d-c785-4661-b025-782e6d1adbbf" disconnected > (0 users remain) > guacd[8]: INFO: Last user of connection > "$bc0b4f36-5c15-4811-8301-c5a292aba67f" disconnected > guacd[8]: DEBUG: Requesting termination of client... > guacd[8]: DEBUG: Client terminated successfully. > guacd[1]: INFO: Connection "$bc0b4f36-5c15-4811-8301-c5a292aba67f" removed. > guacd[1]: DEBUG: Unable to request termination of client process: No such > process > guacd[1]: DEBUG: All child processes for connection > "$bc0b4f36-5c15-4811-8301-c5a292aba67f" ha > ve been terminated. > guacd[1]: DEBUG: Guacamole connection closed during handshake > guacd[1]: DEBUG: Error reading "select": End of stream reached while > reading instruction > guacd[1]: DEBUG: Guacamole connection closed during handshake > guacd[1]: DEBUG: Error reading "select": End of stream reached while > reading instruction > > ------------------------------------------------ > end of log > > Thanks again! > > -- > Brett Bisesti > [email protected] >
