```chris@debian:~/Downloads$ cp -r ./bin-mt-usb/  /etc/opt/elo-mt-usb
cp: cannot create directory '/etc/opt/elo-mt-usb': Permission denied
chris@debian:~/Downloads$ sudo cp -r ./bin-mt-usb/  /etc/opt/elo-mt-usb
[sudo] password for chris: 
chris@debian:~/Downloads$ cd /etc/opt/elo-mt-usb
chris@debian:/etc/opt/elo-mt-usb$ chmod 777 *
chmod: changing permissions of '99-elotouch.rules': Operation not permitted
chmod: changing permissions of 'cpl': Operation not permitted
chmod: changing permissions of 'cplcmd': Operation not permitted
chmod: changing permissions of 'eloCreateFifo.sh': Operation not permitted
chmod: changing permissions of 'Elo-Linux-MT-USB-Driver_List-of-New-Features.txt': Operation not permitted
chmod: changing permissions of 'elo_mt_input_mod_src': Operation not permitted
chmod: changing permissions of 'elomtusbd': Operation not permitted
chmod: changing permissions of 'Elo_OEM_&_EU_LA.txt': Operation not permitted
chmod: changing permissions of 'elorc': Operation not permitted
chmod: changing permissions of 'elo.service': Operation not permitted
chmod: changing permissions of 'elova': Operation not permitted
chmod: changing permissions of 'loadEloMultiTouchUSB.sh': Operation not permitted
chmod: changing permissions of 'readme.txt': Operation not permitted
chris@debian:/etc/opt/elo-mt-usb$ sudo chmod 777 *
chris@debian:/etc/opt/elo-mt-usb$ chmod 444 *.txt
chmod: changing permissions of 'Elo-Linux-MT-USB-Driver_List-of-New-Features.txt': Operation not permitted
chmod: changing permissions of 'Elo_OEM_&_EU_LA.txt': Operation not permitted
chmod: changing permissions of 'readme.txt': Operation not permitted
chris@debian:/etc/opt/elo-mt-usb$ cp /etc/opt/elo-mt-usb/99-elotouch.rules /etc/udev/rules.d
cp: cannot create regular file '/etc/udev/rules.d/99-elotouch.rules': Permission denied
chris@debian:/etc/opt/elo-mt-usb$ sudo cp /etc/opt/elo-mt-usb/99-elotouch.rules /etc/udev/rules.d
chris@debian:/etc/opt/elo-mt-usb$ sudo uname -r
4.9.0-8-rt-amd64
chris@debian:/etc/opt/elo-mt-usb$ sudo ls -l /etc/opt/elo-mt-usb/*.ko
ls: cannot access '/etc/opt/elo-mt-usb/*.ko': No such file or directory
chris@debian:/etc/opt/elo-mt-usb$ 
```