Re: Nvidia GPU to accelerate graphic rendering

to use a second graphic rendering lib, e.g. skia which is popular and has good support to GPU, could you give some guidance? Where and how shall we start? Thanks, Yang > On Apr 17, 2023, at 20:55, Nick Couchman wrote: > > On Sun, Apr 16, 2023 at 11:34 PM Yang Yang wrot

Nvidia GPU to accelerate graphic rendering

Hello, The installation guide tells that Cairo is used for graphics rendering, can I use a Nvidia GPU to accelerate it? If yes, what should I do? Do I need to recompile guacd and/or libcairo? I am running guacd on ubuntu 22.04. Thanks, Yang

vi issue on SSH connection

Hello, On SSH connection, I met an issue with Vi when moving cursor upward with keyboard for content that is not in current screen. Did any one else meet similar issue and can shed some light? When I move the cursor upward with keyboard, before getting the beginning of the file in the 1st

Re: Strange resolution issue

Sorry to disturb, I just noticed that we specify 1432x789 as width/height parameter for the resolution when sending request to guacd. Thanks, Yang > On Dec 27, 2022, at 17:03, Yang Yang wrote: > > Hello, > > We are creating a tool to send requests to guacd directly for RDP

Strange resolution issue

Hello, We are creating a tool to send requests to guacd directly for RDP connections. It worked OK and we could connect to RDP servers, but then found the image was not sharp enough. Turning on debug for guacd logs, we found strange resolution with our tool: the width and height actually used

Re: TigerVNC clipboard-encoding UTF-8

Hi Ben, Have you got a solution on this? I ran into the same issue. Also, it seems this is related to [GUACAMOLE-1043] vnc clipboard support unicode - ASF JIRA (apache.org) , can someone else shed some light? Thanks, Yang > On Apr 19,

Set connection attributes for ad-hoc/quickconnect connections

Hello, Can I specify guacd parameters for ad-hoc/quickconnect connections? The guide only tells how to set connection parameters, and when I tried to set attributes by appending "=X” so as to use

Re: Microphone with VNC

Thanks, Nick! Sincerely appreciate your great efforts and contributions! Thanks, Yang > On Jul 13, 2022, at 04:35, Nick Couchman wrote: > > On Tue, Jul 12, 2022 at 3:02 PM Yang Yang wrote: > Thank you very much for the clarification and confirmation, Nick! The > information is

Re: Microphone with VNC

expectation on its availability? Thank, Yang > On Jul 12, 2022, at 19:41, Nick Couchman wrote: > > On Mon, Jul 11, 2022 at 11:26 PM Yang Yang wrote: > Hello, > > I am trying to use microphone with VNC through Guacamole, is it possible with > v1.4.0? I have PulseAudio se

Microphone with VNC

Hello, I am trying to use microphone with VNC through Guacamole, is it possible with v1.4.0? I have PulseAudio server running with VNC server and can get audio output through Guacamole, but cannot use microphone. Also, I noticed that there is a setting (enable-audio-input) for RDP, but not for

Re: SOCKS5 proxy for guacd connections

Thank you very much for the information, Nick! Thanks, Yang > On Jun 9, 2022, at 19:14, Nick Couchman wrote: > > On Thu, Jun 9, 2022 at 12:18 AM Yang Yang wrote: > Hello, > > Is it possible for guacd to connect a machine (SSH or RDP) through a SOCK5 > proxy? If yes, c

SOCKS5 proxy for guacd connections

Hello, Is it possible for guacd to connect a machine (SSH or RDP) through a SOCK5 proxy? If yes, could you help to tell what I should do? There is no [proxy] section in guacd.conf. Usually I would have a guacamole installation close to the target machine, but now needs to connect to some

Re: SSH failed: no matching host key type found

Thank you very much for the clarification, Nick! I’m going to upgrade libssh2 to the latest. Thanks, Yang > On May 6, 2022, at 07:28, Nick Couchman wrote: > > On Thu, May 5, 2022 at 6:54 PM Michael Jumper <mailto:mjum...@apache.org>> wrote: > On Sun, May 1, 2022 at 12:3

Re: SSH failed: no matching host key type found

y 1, 2022, at 15:19, Yang Yang wrote: > > HI Nick, > > The version of libssh2 is 1.8.0-2.1, as below. > > # dpkg -l | grep ssh > libssh-gcrypt-4:amd640.9.3-2ubuntu2.2 amd64 > tiny C SSH library (gcrypt flavor) > libssh2-1:amd64

Re: SSH failed: no matching host key type found

library libssh2-1-dev:amd64 1.8.0-2.1build1 amd64 SSH2 client-side library (development headers) Thanks, Yang > On May 1, 2022, at 05:17, Nick Couchman wrote: > > On Sat, Apr 30, 2022 at 12:14 PM Yang Yang wrote: > Hi Nick, > > T

Re: SSH failed: no matching host key type found

Hi Nick, Thank you very much for the prompt response! Guacamole/guacd is running on Ubuntu 20.04.4 LTS docker, with libssh2.so.1.0.1. Thanks, Yang > On May 1, 2022, at 00:05, Nick Couchman wrote: > > On Sat, Apr 30, 2022 at 12:02 PM Yang Yang wrote: > Hello, > > I am usi

Re: SSH failed: no matching host key type found

sorry, got typos for algorithm names: ssh-rsa and ssh-dss are not included in default sshd_config settings. > On May 1, 2022, at 00:02, Yang Yang wrote: > > Hello, > > I am using Guacamole 1.4.0 to connect a Ubuntu 22.04 machine with OpenSSH > Server with username

SSH failed: no matching host key type found

Hello, I am using Guacamole 1.4.0 to connect a Ubuntu 22.04 machine with OpenSSH Server with username and password, all with default settings, but failed. The guacd log only tells “SSH handshake failed”, while /var/log/auth.log in the Ubuntu machine tells “Unable to negotiate with

Re: Support protocols

, but I'm curious about your implementation. > > Is there public documentation somewhere?, is that something publicly > available?, paid addon? > > Regards, > CI.- > > On Tue, Mar 29, 2022, 22:33 Yang Yang wrote: > We have build a solution to extend Guacamole wi

Re: Support protocols

We have build a solution to extend Guacamole with http(s) support with a similar approach/concept, which Nick actually had mentioned in this mailing list for a couple of times as I remembered. The user experience with Chrome/Firefox in kiosk mode cannot not provide plausible user experience,

File permission with RDP drive redirect

Hello, When I use guacamole to access a Windows machine with RDP and have drive redirection enabled, files I copied from the Windows machine to the guacamole virtual drive are with permission 600 (-rw--). Is it possible to set the file permission to 611 (-rw-r--r-- ) by default？So that

Re: Block certain commands for SSH

Thank you very much for the information, Mike! Thanks, Yang > On Nov 26, 2021, at 18:05, Mike Jumper wrote: > > On Fri, Nov 26, 2021, 01:52 Yang Yang wrote: > Hello, > > Is it possible to set a list of commands that will be blocked when any user > types

Block certain commands for SSH

Hello, Is it possible to set a list of commands that will be blocked when any user types in for SSH connection? This will be useful to protect the server from dangerous command such as “rm -rf /“. If the feature is not yet available, is it possible with guacamole? If I can get some time to

Re: Timestamp in guaclog output file

you can use "docker logs > --timestamps" (it also works woth docker-compose by the way) > > Le jeu. 30 sept. 2021 à 10:41, Yang Yang a écrit : > Hello, > > Could you help to tell how I can have timestamp in guaclog output file? Is it > possible with v1.3.0? &

Timestamp in guaclog output file

Hello, Could you help to tell how I can have timestamp in guaclog output file? Is it possible with v1.3.0? I want to have some idea when the input keystroke happens from the beginning of the recorded session. Either a timestamp at the beginning of each line or an timestamp for every few

Re: List of active ad-hoc sessions

Thank you very much for the clarification, Nick! Is there any other information/clue I can use to get the list of active Ad-Hoc sessions? Thanks, Yang > On Nov 23, 2020, at 21:10, Nick Couchman wrote: > > On Mon, Nov 23, 2020 at 8:04 AM Yang Yang wrote: > Hello, > > I

List of active ad-hoc sessions

Hello, I found that ah-hoc connections are not listed in Active Sessions page, could you help to tell how to get the list of active ad-hoc sessions? Thanks, Yang - To unsubscribe, e-mail: user-unsubscr...@guacamole.apache.org

Re: script with parameters for initial-program

/“, the default desktop is presented. Is there anything I can do to pass parameters along with the initial program? Thanks, Yang > On Aug 19, 2020, at 11:37, Yang Yang wrote: > > Hello, > > I’m trying to use initial-program for RDP connections, can I write a script > and set som

script with parameters for initial-program

Hello, I’m trying to use initial-program for RDP connections, can I write a script and set some parameters after the full path to the script? Thanks, Yang - To unsubscribe, e-mail: user-unsubscr...@guacamole.apache.org For

Error when building 1.1.2 Docker: Too many files with unapproved license

Hello, I experienced the following error when building 1.1.2 docker, is there anything I can do? [INFO] Reactor Summary: [INFO] [INFO] guacamole-common 1.1.0 . SUCCESS [18:36 min] [INFO] guacamole-ext 1.2.0 SUCCESS [01:20 min] [INFO]

Re: Parameter token with HTTP header authentication extension

:30, Yang Yang wrote: > > Hi Nick, > > I failed to get session id from http header “SessionID” with settings > “http-session-id-header: SessionID” in guacamole.properties. Changes I made > to guacamole-auth-header extension is as below. Is there anything else I > miss

Re: Parameter token with HTTP header authentication extension

Map tokens) { this.credentials = credentials; +this.tokens = tokens; setIdentifier(username.toLowerCase()); } ## Thanks, Yang > On Apr 23, 2020, at 03:36, Nick Couchman wrote: > > On Wed, Apr 22, 2020 at 5:46 AM Yang Yang wrote: > Hi, >

Re: Parameter token with HTTP header authentication extension

Very helpful info, Nick! Thank you very much! Thanks, Yang > On Apr 23, 2020, at 03:36, Nick Couchman wrote: > > On Wed, Apr 22, 2020 at 5:46 AM Yang Yang wrote: > Hi, > > I am looking to use the string in certain HTTP header as a session id, and > name the

Parameter token with HTTP header authentication extension

Hi, I am looking to use the string in certain HTTP header as a session id, and name the record of the session. Is there any parameter token with HTTP header authentication extension I can use? If not, could you help to tell what I should do to customize the HTTP header authentication extension

Re: watermark for RDP connections

Thank you very much for the information, Nick! > On Apr 8, 2020, at 00:15, Nick Couchman wrote: > > On Tue, Apr 7, 2020 at 9:31 AM Yang Yang wrote: > Hello, > > I am looking to add watermark with user’s account and time to some RDP > connections, but failed to find an

watermark for RDP connections

Hello, I am looking to add watermark with user’s account and time to some RDP connections, but failed to find any solution. Could you help to shed some light? Thanks, Yang - To unsubscribe, e-mail:

Re: Python requests issue when updating connection setting through RESTful API

Hi, I just found the issue that python requests data should be specified as json, requests.put(url=url_to_check, json=data, headers=headers). Thank you very much! Thanks, Yang > On Mar 18, 2020, at 19:49, Yang Yang wrote: > > Hi, > > I am working to update connection s

Python requests issue when updating connection setting through RESTful API

Hi, I am working to update connection settings through RESTful API, and I am using Python3. However, my Python3 requests always failed (specified below), while request from curl with the same settings (as I can tell) would succeed. By the way, I can create new connection with Python3 requests,

Re: Internal Error with RESTful API

Thank you very much, Mike! It works now. Thanks, Yang > On Jan 8, 2020, at 06:16, Mike Jumper wrote: > > On Tue, Jan 7, 2020 at 3:02 AM Yang Yang wrote: > Hello, > > I am trying to use the RESTful API, but got an issue at the first step :-( > > I tried with curl

Internal Error with RESTful API

Hello, I am trying to use the RESTful API, but got an issue at the first step :-( I tried with curl to get a token, and get an error message telling “internal error”: $curl -X POST -H "Content-Type: application/json" -d '{"username":"", "password":""}'

Re: Static URL for a connection

Thank you very much for the guidance! It is very helpful, and I will rethink about my original approach. Thanks, Yang > On Dec 10, 2019, at 09:56, Mike Jumper wrote: > > On Mon, Dec 9, 2019 at 5:44 PM Yang Yang wrote: > Hi Nick, > > I am working to build a portal f

Re: Static URL for a connection

=encoded_connection_id), so that I can handle the URL with nginx. Is this possible? If not, can I just remove the home module? Thanks, Yang > On Dec 10, 2019, at 06:19, Nick Couchman wrote: > > On Mon, Dec 9, 2019 at 5:22 AM Yang Yang wrote: > Hello, > > Is it possible t

Static URL for a connection

Hello, Is it possible to get a static URL for each connection? With default setting, users can access a connection with https://guacamole_client_addr_and_port/guacamole/#/client/encoded_connection_id. I put guacamole client behind a proxy, and using auth header for authentication, I want to

Re: Connection URI

will always need to update users and servers and the mapping. How do you think about it? Thanks, Yang > On Aug 2, 2019, at 10:37, Mike Jumper wrote: > > On Thu, Aug 1, 2019 at 5:59 PM Yang Yang wrote: > Thank you very much for the information, Adam! > > This makes me think, is it po

Connection URI

Hello, I noticed that the URI for a connection keeps the same when I access it at different times, such as http://GUACAMOLE-ADDRESS:PORTS/#/client/MwBjAHBvc3RncmVzcWw=; however, I cannot find the string in the database (I’m using PostgreSQL). Can I use the URI to access a resource directly?

Re: Disable SSL certificate verification with OpenID Connect Authentication

verification, and it works for me. Thanks, Yang > On Jul 23, 2019, at 23:36, Nick Couchman wrote: > > On Tue, Jul 23, 2019 at 9:13 AM Yang Yang <mailto:yy8...@icloud.com.invalid>> wrote: > Hello, > > I’m testing OpenID Connect Authentication with https on, and got the probl

Re: Disable SSL certificate verification with OpenID Connect Authentication

our JWTConsumerBuilder in the > o.a.g.a.o.t.TokenValidationService of the OpenID extension. That worked for > me but may not solve your exact problem. > > -Ryan > > -Original Message- > From: Yang Yang > Sent: Tuesday, July 23, 2019 9:13 AM > To: user@guacamole.apache.or

Disable SSL certificate verification with OpenID Connect Authentication

Hello, I’m testing OpenID Connect Authentication with https on, and got the problem below. Could you help to tell how to disable ssl certificate verification? Is there a “ssl_verify” flag that I can turn off? 17:11:56.117 [http-nio-8080-exec-2] DEBUG org.jose4j.http.Get - HTTP GET of

Add connections for OpenID users

Hello, I have get Guacamole 1.0.0 running with Keycloak, and can successfully login. Could you help to tell how to add connections for Keycloak users and manage the mapping between users and connections? Thanks, Yang - To

Re: Looping with Guacamole+Keycloak

Mike Jumper wrote: > > On Thu, May 30, 2019 at 4:34 PM Nick Couchman <mailto:vn...@apache.org>> wrote: > On Thu, May 30, 2019 at 02:09 Yang Yang wrote: > Hello, > > I solved this issue by making a small change to two files for the openid > extension and rebuild it: >

Re: Looping with Guacamole+Keycloak

(1); $location.url('/'); $location.search(params); }] }); }]); > On May 29, 2019, at 21:01, Yang Yang wrote: > > Hello, > > > I am playing with Guacamole 1.0.0 and Keycloak 6.0.1. Following the > configuration Justin posted in this thread > htt