Get Wireguard configs from https://account.protonvpn.com/downloads
List drives
user@host:/ $ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 111.8G 0 disk
└─sda1 8:1 0 111.8G 0 part /mnt/audiobooks
mmcblk0 179:0 0 29.7G 0 disk
├─mmcblk0p1 179:1 0 512M 0 part /boot/firmware
└─mmcblk0p2 179:2 0 29.2G 0 part /Mount to location
user@host:/dev $ sudo mkdir /mnt/mymountpoint
user@host:/dev $ sudo mount /dev/sda1 /mnt/mymountpoint
user@host:/dev $ cd /mnt/mymountpoint