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Computer assignation

Every group will be assigned a computer with a GPU for the whole course.

Launching a script on the machines

  1. Follow one of the two step-by-step guides below to see how to connect to these computers remotely using VS code, either on Campux Machines (recommended) or on your Personal Machines (advanced).
  2. Once you are connected remotely, open a terminal window in VS Code.
  3. Create your own venv :
cd /users/local
mkdir username
cd username
python3 -m venv myvenv
source ./myvenv/bin/activate # activate the created environment, to be done at each connection
pip install torch --cache-dir . # important not to store cache in your home
# and install other necessary libraries (torchvision, tqdm...)
  1. Run your script: python3 myscript.py

Data storage

By default you have access to your /home directory from the school, but as it is on the network it will be slower.

In order to have a faster data access, create a directory in /users/local Remember this is an internal hard drive with limited capacity, and should only be used for temporary results. Always save your valuable code / results in a secure place.

For training networks, the datasets SHOULD be stored in /users/local/xxxx , otherwise training will be massively slowed down.

When saving network weights (checkpoints, in ‘pt’ or ‘pth’ format) , also use /users/local as they can be very large files.

Remote VS Code (Campux Machines)

VS Code used for this tutorial: 1.64.2

  1. Install VS Code Extension named Remote Development.
  2. Hit F1 key and go to Remote-SSH: Connect To Host...
  3. Enter your pc id: fl-tp-br-xxx.imta.fr
  4. Enter your password when prompted
  5. If asked about fingerprints, hit Continue
  6. You should have a green rectangle with SSH: fl-tp-br-xxx on the bottom left corner of your screen. If you don't or got an error along the way, call the teacher for help.

Remote VS Code (Personal Machines)

VS Code used for this tutorial: 1.64.2

  1. Install an OpenSSH compatible SSH client

  2. Install VS Code Extension named Remote Development.

  3. Hit F1 key and go to Remote-SSH: Open Configuration File.... Click on the first line proposed.

    • On Linux or Mac, add these lines to the file (replace YOUR_LOGIN by your own username):
    Host              brain1.imt
    User              YOUR_LOGIN
    Compression       yes
    HostName          fl-tp-br-xxx.imta.fr

Host *.imt
    ProxyCommand ssh YOUR_LOGIN@ssh.telecom-bretagne.eu "/bin/nc `basename %h .imt` %p"
    • On Windows, add these lines to the file (replace YOUR_LOGIN by your own username):
    Host              brain1.imt
    User              YOUR_LOGIN
    Compression       yes
    HostName          fl-tp-br-xxx.imta.fr

Host *.imt
    ProxyCommand C:\Windows\System32\OpenSSH\ssh.exe YOUR_LOGIN@ssh.telecom-bretagne.eu "/bin/nc `basename %h .imt` %p"

  4. Hit F1 key and go to Remote-SSH: Connect To Host...

  5. Select brain1.imt

  6. Enter passwords when prompted

  7. If asked about fingerprints, hit Continue

  8. You should have a green rectangle with SSH: fl-tp-br-xxx.imta.fr on the bottom left corner of your screen. If you don't or got an error along the way, call the teacher for help.