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    Simon Sander
    @sim-san
    Hello,
    Is it possible to change the parameters for the deflaut server ? For example: change "is_mount_volume" parameter.
    Benjamin Räthlein
    @raethlein
    Hey Simon, do you mean the options in the MLHub's option page?
    So just for understanding, you would like to be able to change the default settings so that, for example, is_mount_volume is unchecked by default?
    Right now, you can only set the default images that are shown in the options page but no other options.
    Simon Sander
    @sim-san
    ok, thanks for the fast answer
    Simon Sander
    @sim-san
    At the moment I face a other Problem with ml-worksqace/ml-hub.
    A user without admin rights on the ml-hub is not able to open the Visual Studio Code Web. I got the following errors in the log:
    12:56:22.188 [ConfigProxy] error: 503 GET /user/test/test_vscode/static/base/images/favicon.ico?v=845272bb369e7a52ef65139fafb905e3 socket hang up
    12:56:22.195 [ConfigProxy] error: 503 GET /user/test/test_vscode/static/services/contents.js?v=20191216125140 socket hang up
    [I 2019-12-16 12:56:22.205 JupyterHub log:174] 200 GET /hub/error/503?url=%2Fuser%2Ftest%2Ftest_vscode%2Fstatic%2Fbase%2Fimages%2Ffavicon.ico%3Fv%3D845272bb369e7a52ef65139fafb905e3 (@172.17.0.2) 15.47ms
    [I 2019-12-16 12:56:22.208 JupyterHub log:174] 200 GET /hub/error/503?url=%2Fuser%2Ftest%2Ftest_vscode%2Fstatic%2Fservices%2Fcontents.js%3Fv%3D20191216125140 (@172.17.0.2) 2.33ms
    12:56:22.368 [ConfigProxy] error: 503 GET /user/test/test_vscode/static/components/marked/lib/marked.js?v=20191216125140 socket hang up
    12:56:22.369 [ConfigProxy] error: 503 GET /user/test/test_vscode/static/components/codemirror/addon/runmode/runmode.js?v=20191216125140 socket hang up
    2019/12/16 12:56:22 [crit] 738#0: *1804 SSL_write() failed (SSL:) while sending to client, client: 127.0.0.1, server: , request: "GET /user/test/test_vscode/static/base/js/security.js?v=20191216125140 HTTP/1.1", upstream: "http://127.0.0.1:8000/user/test/test_vscode/static/base/js/security.js?v=20191216125140", host: "192.168.1.150", referrer: "https://192.168.1.150/user/test/test_vscode/tree?"
    12:56:22.372 [ConfigProxy] error: 503 GET /user/test/test_vscode/static/components/codemirror/mode/gfm/gfm.js?v=20191216125140 socket hang up
    2019/12/16 12:56:22 [crit] 738#0: *1847 SSL_write() failed (SSL:) while sending to client, client: 127.0.0.1, server: , request: "GET /user/test/test_vscode/static/notebook/js/mathjaxutils.js?v=20191216125140 HTTP/1.1", upstream: "http://127.0.0.1:8000/user/test/test_vscode/static/notebook/js/mathjaxutils.js?v=20191216125140", host: "192.168.1.150", referrer: "https://192.168.1.150/user/test/test_vscode/tree?"
    12:56:22.374 [ConfigProxy] error: 503 GET /user/test/test_vscode/static/notebook/js/codemirror-ipython.js?v=20191216125140 socket hang up
    [I 2019-12-16 12:56:22.375 JupyterHub log:174] 200 GET /hub/error/503?url=%2Fuser%2Ftest%2Ftest_vscode%2Fstatic%2Fcomponents%2Fmarked%2Flib%2Fmarked.js%3Fv%3D20191216125140 (@172.17.0.2) 3.90ms
    [I 2019-12-16 12:56:22.383 JupyterHub log:174] 200 GET /hub/error/503?url=%2Fuser%2Ftest%2Ftest_vscode%2Fstatic%2Fcomponents%2Fcodemirror%2Faddon%2Frunmode%2Frunmode.js%3Fv%3D20191216125140 (@172.17.0.2) 7.40ms
    [I 2019-12-16 12:56:22.385 JupyterHub log:174] 200 GET /hub/error/503?url=%2Fuser%2Ftest%2Ftest_vscode%2Fstatic%2Fcomponents%2Fcodemirror%2Fmode%2Fgfm%2Fgfm.js%3Fv%3D20191216125140 (@172.17.0.2) 8.16ms
    [I 2019-12-16 12:56:22.387 JupyterHub log:174] 200 GET /hub/error/503?url=%2Fuser%2Ftest%2Ftest_vscode%2Fstatic%2Fnotebook%2Fjs%2Fcodemirror-ipython.js%3Fv%3D20191216125140 (@172.17.0.2) 8.41ms
    12:56:36.332 [ConfigProxy] error: 503 GET /user/test/test_vscode/static/components/jquery-ui/themes/smoothness/jquery-ui.min.css?v=3c2a865c832a1322285c55c6ed99abb2 socket hang up
    12:56:36.334 [ConfigProxy] error: 503 GET /user/test/test_vscode/static/components/jquery-typeahead/dist/jquery.typeahead.min.css?v=7afb461de36accb1aa133a1710f5bc56 socket hang up
    [I 2019-12-16 12:56:36.342 JupyterHub log:174] 200 GET /hub/error/503?url=%2Fuser%2Ftest%2Ftest_vscode%2Fstatic%2Fcomponents%2Fjquery-ui%2Fthemes%2Fsmoothness%2Fjquery-ui.min.css%3Fv%3D3c2a865c832a1322285c55c6ed99abb2 (@172.17.0.2) 7.52ms
    [I 2019-12-16 12:56:36.345 JupyterHub log:174] 200 GET /hub/error/503?url=%2Fuser%2Ftest%2Ftest_vscode%2Fstatic%2Fcomponents%2Fjquery-typeahead%2Fdist%2Fjquery.typeahead.min.css%3Fv%3D7afb461de36accb1aa133a1710f5bc56 (@172.17.0.2) 8.54ms
    For an admin user everything works fine. Can you help me ?
    Benjamin Räthlein
    @raethlein
    Hey Simon, could you please try it with a different username? One without an underscore "_", I think there is a problem with routing
    Simon Sander
    @sim-san
    Hey Benjamin, your hint solve the problem. Without undersocres in username and workspace name everything works fine. Thank you.
    Benjamin Räthlein
    @raethlein
    Great to hear! I also just added "_" to the characters that will be normalized in user names
    Jędrzej Biedrzycki
    @TAndronicus
    Hi, I have a problem running ml-workspace container. It's pulling the images for some time and results in docker: unauthorized: authentication required.
    Islam Mansour
    @IslamAlam
    Do you consider upgrading to cuda-10.12 after the latest commit for to cuda-10.1?
    Simon Sander
    @sim-san
    What are the big changes in the version 0.9.1 ?
    Lukas Masuch
    @LukasMasuch
    Hey, big changes are: Python 3.6 -> 3.7, Ubuntu 16.04 -> 18.04, CUDA 10 -> 10.1, NodeJS 8 -> 12, OpenJDK 8 -> 11. And, of course, lots of other less important version updates and fixes. Generally, we are currently working towards a stable 1.0 version. Once we have reached the 1.0 version (within the next few weeks), we will have a Changelog for all subsequent updates.
    heayoungsuh
    @heayoungsuh
    Hi, I tried building the dockerfile without utilizing the build.py as docker build -t test .. but there seems to be problem with the ngix. Is it normal? ( yes I am a newbie )
    Lukas Masuch
    @LukasMasuch
    @heayoungsuh what is the error you get with nginx?
    Simon Sander
    @sim-san
    I want to mount a SMB or NFS shared folder inside the workspace. What is your recommendation for doing this ?
    Simon Sander
    @sim-san
    And I use these ml-workspaces with ml-hub
    Benjamin Räthlein
    @raethlein

    Hey @sim-san , if you use the Docker-local version you can either create an nfs-volume before (see https://unix.stackexchange.com/a/320717/239011) and add the volume mount to the JupyterHub config (e.g. c.DockerSpawner.volumes={'my-nfs-share': '/workspace/nfs'} or it should also be possible to add something like the following configuration to the JupyterHub config (I did not test it, so it's only meant to be a hint):

    c.DockerSpawner.extra_host_kwargs={
      mounts=[{
        "target": "<container_path>",
        "source": "nfsvolume",
        "type": "volume",
        "driver_config": {"name": "local", options: {"type": "nfs", "device": ":<nfs export path>", "o": "addr=<nfs-server-addr>"}}
      }]
    }

    In the first solution, to avoid having the same nfs folder mounted in all directories, you could create a separate nfs volume (my-nfs-share-{username}) for each workspace and add the directive c.DockerSpawner.volumes={'my-nfs-share-{username}': '/workspace/nfs'}. However, this requires manual effort (as also the host directory has to be created). An automated way of handling nfs shares does not seem to be supported right now by DockerSpawner and also not by our MLHubDockerSpawner.

    In a Kubernetes-setup this might be a little bit easier as you can work with dynamic PVC provisioning etc.

    neer201
    @neer201
    Hey guys! I tried to launch ml-workspace image on vast.ai. My instance has launched and ssh runs normally. But I dont have launched jupyter app with other software. Whet I launch jupyter manually, I dont have access to other applications like VScode with the message in console: 404 GET /tools/vscode (127.0.0.1) 15.69ms referer=http://localhost:8080/tree?
    Lukas Masuch
    @LukasMasuch
    @neer201 do you have more information on how you launched the workspace, e.g. the docker run command? When you run the workspace, jupyter should start automatically and will be accesible on the main port.
    Simon Sander
    @sim-san
    I have copied folders und files in the mounted workspace folder. I can see the file in the notebook overview, but can't access them from the jupyterlab. The folders are not shown. Do you know why this happens ?
    Lukas Masuch
    @LukasMasuch
    @sim-san we haven't seen this issue yet. A few questions: 1) Have you mounted a volume via NFS or is it a basic host path mount? 2) Can you open the file via Jupyter or via terminal (cat)? 3) You could check the permissions of the files and folders. Just type in ls -la within the Jupyter terminal in the /workspace folder. If you like you can also share the screenshot here.
    Simon Sander
    @sim-san
    @LukasMasuch
    1) I copy a folder with .ipynb inside the host path mount.
    2) I can open the files via Jupyter and with terminal in jupyter. But inside the Jupyter Lab and Jupyter Lab terminal I do not see the files.
    3) After I copied the files I chaned the ownership to root:root
    The screenshot from the terminal in the normal Jupyter:
    grafik.png
    The screenshot from the terminal in the Jupyter Lab:
    grafik.png
    Simon Sander
    @sim-san
    But I noticed something else strange. When I opened the named server 'notebooks', I got an error message: 'Server not running. Your server is not running. Would you like to start it? '
    grafik.png
    By clicking on "Launch Server" the general server "My Server" was started. I noticed that the link to the Jupyter Lab in the named server 'notebooks' points to the general server. In the general server I can create a folder in Jupyter and see it in Jupyter Lab from the named server 'notebooks'
    Simon Sander
    @sim-san
    And also a screenshot of the hub logs:
    grafik.png
    neer201
    @neer201
    @LukasMasuch Hey, I didn't run any commands. Sorry, I am a newbie in this area. My config looks like thi
    s. There is an option to run some command when the instance starts but I don't know which.
    image.png
    Lukas Masuch
    @LukasMasuch
    @neer201 I just looked into how to start the workspace with vast.ai, and its possible if you select the mltooling/ml-workspace:latest image, select the SSH option, follow the vast.ai guide to setup the SSH connection, connect to the server with the ssh command (the ssh command should have the port tunneling via -L on port 8080). Once you are connected via SSH, you have to start all the workspace tools via the following command WORKSPACE_BASE_URL="/" WORKSPACE_PORT=8080 VNC_PW="vncpassword" VNC_RESOLUTION="1600x900" VNC_COL_DEPTH="24" python /resources/docker-entrypoint.py
    Within a few seconds/minutes, you should be able to access the workspace from you browser via localhost:8080
    @sim-san Strange issue, seems like that the proxy is redirecting the request to the user workspace instead of the named server when accessing JupyterLab. Can you confirm that what you see within Jupyterlab is the files of your user workspace? Unfortunatly, I wasn't able to reproduce this issue with the newest version of ml-hub on docker. Are you using Kubernetes or Docker?
    Simon Sander
    @sim-san
    I use Docker
    Can you confirm that what you see within Jupyterlab is the files of your user workspace? => Yes
    Lukas Masuch
    @LukasMasuch
    @sim-san Just got an idea. Is your named server called notebooks?
    Lukas Masuch
    @LukasMasuch
    The proxy uses the path /user/<user-name>/notebooks for actually accessing notebook objects within the user workspace. Naming the named server notebooks is therefore problematic since it is conflicting with this path. In the next version we will add blacklist some names for named servers such as notebooks. As a workaround for now, just use any other name than tree, notebooks, tools and it should (hopefully) work fine.
    heayoungsuh
    @heayoungsuh
    @LukasMasuch Sorry I'm late.. The problem went away after ran the dockerfile with build.py. I lost my log files as I was testing out some other things.
    Simon Sander
    @sim-san
    @LukasMasuch thanks for your help. Renaming the workspace solved the problem easily.
    Besides with I have found another bug. I have opened an issue about it. ml-tooling/ml-workspace#32
    Simon Sander
    @sim-san
    And a further Issue I found: ml-tooling/ml-workspace#33
    Lukas Masuch
    @LukasMasuch
    @sim-san Thanks for submitting the issues :) I will try to fix them next week.
    Simon Sander
    @sim-san
    Where can I see logs from the juypter lab if it has not started ?
    I get this error in the web console: Laden fehlgeschlagen für das <script> mit der Quelle "http://192.168.1.150:8899/static/lab/vendors~main.4d6f61962d80393a514d.js".
    Simon Sander
    @sim-san
    Also in an other Browser with an other falvour I get the same error vendors~main.4d6f61962d80393a514d.js:1 Failed to load resource: net::ERR_INVALID_HTTP_RESPONSE
    Lukas Masuch
    @LukasMasuch
    @sim-san you can see all tool logs within this folder: /var/log/supervisor/ inside the workspace. JupyterLab logs are within the jupyter.log logfile. There is also a hidden supervisor UI on port 8059 (open via url path /tools/8059/), but the UI is not fully functional. If you click on the tool name, you will see the last logs of the tool. Calling this url path should give you all jupyter logs: WORKSPACE_BASE_URL/tools/8059/tail.html?processname=jupyter&limit=100000
    neer201
    @neer201
    @LukasMasuch thank you so much! =) It works.
    MangoCubes
    @MangoCubes
    Hello. I am currently trying out the workspace on my machine, and everything seems to be working great, except when I try to access it through reverse proxy. I opened the server on port 8080, and I have Let's Encrypt SSL on it to secure it. However, when I try to use tools like Terminal, the console says that "Firefox can’t establish a connection to the server at wss://domain.com/terminals/websocket/main". Some other tools display similar error message, with the aforementioned error message and error "WebSocket close with status code 1006" being included in all of them. I have a feeling that this isn't quite related to the software itself, and pardon me if it isn't, but I was unsuccessful in finding enough relevant information to fix this. What can I do to fix this, if this is related to the workspace itself?