Does pureboot have mitigations against cold boot attack to steal full disk encryption key?

Hardware
8

You can create a hot key combination to hibernate your PC:

  1. Create a script file to execute the hibernation:
    sudo nano /usr/local/bin/hibern8
    Add the following lines to the file:
    #!/bin/bash
    systemctl start systemd-hibernate
  2. Then, make it executable:
    sudo chmod +x /usr/local/bin/hibern8
  3. Then, edit your visudoer’s file to allow it to execute the hibern8 command without a password:
    sudo visudo
    Add the following line to the file:
    username ALL=(ALL) NOPASSWD: /usr/local/bin/hibern8
    (replace username with the username of your user.)
  4. Then create a keyboard shortcut in GNOME to execute the command sudo hibern8.
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