Known issues with educational resources

Common issues

Applications cannot be launched in the VM

The profile is not sourced or is sourced as root

• open a console
• enter the command sudo chown -R <my-login> /home/local/<my-login>
• re-source the profile with the command source /etc/profile
• relaunch the application in error

Keyboard language

The keyboard is in QWERTY

• open a console
• enter the command setxkbmap fr

Home directory on educational resources

The ~/shared folder is not accessible

• open a console
• run the command kinit
• authenticate with your account to retrieve a Kerberos ticket
• access your shared folder

Graphical session

Graphical access to one of the Linux educational servers Turing or Ada is impossible -> black screen

• the graphical session is problematic
• Connect to the machine via SSH: ssh <my-login>@turing
• Send the command kill -1 which kills all your own processes
• Try the graphical access again

Docker

The docker command does not work after a docker-rootless-init.shared

• open a console
• run the command systemctl --user stop docker.service
• rerun the command docker-rootless-init.sh

The docker command still does not work after the previous step

• Call an IT technician
• open a console
• run the command sudo modprobe nf_tables

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