ACTION=="add", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6001", SYMLINK+="my_uart"

udevadm info -a -p  $(udevadm info -q path -n /dev/ttyUSB0)

dmesg | grep ttyUSB

udevadm info --name=/dev/ttyUSBx --attribute-walk

SUBSYSTEM=="tty", ATTRS{idVendor}=="1234", ATTRS{idProduct}=="5678", SYMLINK+="your_device_name"

sudo udevadm trigger

ls -l /dev/your_device_name

ls -l /dev/ttyUSB1

udevadm test -a -p  $(udevadm info -q path -n /dev/your_device_name)

udevadm info –attribute-walk –path=/dev/video0

KERNEL=”video0”, SUBSYSTEM=”video4linux” and KERNELS=”1:1.2.4:1.0”.

KERNEL==”video0”,SUBSYSTEM=”video4linux”,KERNELS==”1:1.2.4:1.0”,SYMLINK+=”camera0”

fswebcam –d  $realpath /dev/camera0

fswebcam –d /dev/video${x}  tst.jpg

udevadm info –attribute-walk –path=/dev/videox > dd

KERNEL==”video0”, SUBSYSTEM=”video4linux”,KERNELS==”1:1.2.4:1.0 ”,SYMLINK+=”camerax”. Call this the “video list”.

KERNEL==”video0”, SUBSYSTEM=”video4linux”,KERNELS==”1:1.2.4:1.0 ”,SYMLINK+=”camera2”

# See /etc/udev/rules.d/5-usb-disk.rules
/dev/backup     /vol/backup     ext4    defaults,errors=remount-ro 0       1

#
# the next line creates a symlink to this disk drive called /dev/backup
# i.e.
#   root:# ls -la /dev/backup
#   lrwxrwxrwx 1 root root 3 Jul 22 19:33 /dev/backup -> sg0

# Backup usb stick - create /dev/backup
# ATTRS{model}=="Cruzer Blade    "
ACTION=="add", ATTRS{model}=="Cruzer Blade    ", SYMLINK+="backup"

# Clean up after removal
ACTION=="remove", ATTRS{model}=="Cruzer Blade    ", RUN+="/bin/umount /vol/backup"

root:# mount | grep sd
/dev/sda1 on /vol/backup type ext4 (rw,relatime,errors=remount-ro,data=ordered)