Automount usb devices with systemd and udisks2

51-udisks2.rules

// Allow "your_user" to mount drives without authentication

polkit.addRule(function (action, subject) {
  const isAction = action.id == "org.freedesktop.udisks2.filesystem-mount" ||
    action.id == "org.freedesktop.udisks2.filesystem-unmount" ||
    action.id == "org.freedesktop.udisks2.filesystem-mount-other-seat";

  if (isAction && subject.user == "your_user") {
    return polkit.Result.YES;
  }
});

98-automount-usb.rules

# Mount usb devices with systemd and udisks2

ENV{ID_FS_USAGE}=="filesystem", ENV{UDISKS_FILESYSTEM_SHARED}="1"

ACTION=="add", SUBSYSTEMS=="usb", SUBSYSTEM=="block", ENV{ID_FS_USAGE}=="filesystem",\
  RUN+="/usr/bin/systemctl --no-block start automount-usb@%k.service"

[email protected]

[Unit]
Description=Automount USB devices

[Service]
Type=oneshot
ExecStart=/usr/bin/udisksctl mount -b /dev/%i
User=your_user
Group=your_user

gistfile1.txt

# Put the contents of 98-automount-usb.rules under /etc/udev/rules.d -> /etc/udev/rules.d/98-automount-usb.rules
# Put the contents of [email protected] under /etc/systemd/system -> /etc/systemd/system/[email protected]
# Put the contents of 51-udisks2.rules under /etc/polkit-1/rules.d -> /etc/polkit-1/rules.d/51-udisks2.rules

# In shell execute the following commands

sudo udevadm control --reload
sudo udevadm trigger
sudo systemctl daemon-reload

Use "51-udisks2.rules" for mounting with your current user without authentication, you can skip this however for NTFS file systems the files will be mounted with root ownership. If you still want this remove User and Group from [email protected]

Sources:

https://wiki.archlinux.org/title/udev#Tips_and_tricks
https://wiki.archlinux.org/title/Udisks#Mount_to_/media