touch /etc/udev/rules.d/51-blk-dev.rules
ACTION=="add", KERNEL=="sd[a-z][0-9]", RUN+="/bin/mkdir -p /mnt/%k"
ACTION=="add", KERNEL=="sd[a-z][0-9]", RUN+="/bin/mount /dev/%k /mnt/%k"
ACTION=="add", KERNEL=="sd[a-z][0-9]", RUN+="/bin/ntfs-3g /dev/%k /mnt/%k", OPTI
ACTION=="remove", KERNEL=="sd[a-z][0-9]", RUN+="/bin/sync"
ACTION=="remove", KERNEL=="sd[a-z][0-9]", RUN+="/bin/umount -l /mnt/%k"
ACTION=="remove", KERNEL=="sd[a-z][0-9]", RUN+="/bin/rm -rf /mnt/%k", OPTI
ACTION=="add", KERNEL=="mmcblk[0-9]p[0-9]", RUN+="/bin/mkdir -p /mnt/%k"
ACTION=="add", KERNEL=="mmcblk[0-9]p[0-9]", RUN+="/bin/mount /dev/%k /mnt/%k"
ACTION=="add", KERNEL=="mmcblk[0-9]p[0-9]", RUN+="/bin/ntfs-3g /dev/%k /mnt/%k", OPTI
ACTION=="remove", KERNEL=="mmcblk[0-9]p[0-9]", RUN+="/bin/sync"
ACTION=="remove", KERNEL=="mmcblk[0-9]p[0-9]", RUN+="/bin/umount -l /mnt/%k"
ACTION=="remove", KERNEL=="mmcblk[0-9]p[0-9]", RUN+="/bin/rm -rf /mnt/%k", OPTI
KERNEL!="sd[a-z][0-9]", GOTO="media_by_label_auto_mount_end"
# Import FS infos
IMPORT{program}="/sbin/blkid -o udev -p %N"
# Get a label if present, otherwise specify one
ENV{ID_FS_LABEL}!="", ENV{dir_name}="%E{ID_FS_LABEL}"
ENV{ID_FS_LABEL}=="", ENV{dir_name}="usbhd-%k"
# Global mount options
ACTION=="add", ENV{mount_options}="relatime"
# Filesystem-specific mount options
ACTION=="add", ENV{ID_FS_TYPE}=="vfat|ntfs", ENV{mount_options}="$env{mount_options},utf8,gid=100,umask=002"
# Mount the device
ACTION=="add", RUN+="/bin/mkdir -p /media/%E{dir_name}", RUN+="/bin/mount -o $env{mount_options} /dev/%k /media/%E{dir_name}"
# Clean up after removal
ACTION=="remove", ENV{dir_name}!="", RUN+="/bin/umount -l /media/%E{dir_name}", RUN+="/bin/rmdir /media/%E{dir_name}"
# Exit
LABEL="media_by_label_auto_mount_end"
https://www.andreafortuna.org/2019/06/26/automount-usb-devices-on-linux-using-udev-and-systemd/
http://www.reactivated.net/writing_udev_rules.html
https://github.com/raamsri/automount-usb/blob/master/usb-mount.sh
https://github.com/raamsri/automount-usb