batchcommand line
I am working with some USB and Serial micro-controllers. Everytime I plug a device I have to do the following command to give it write access, and also my password:
sudo chmod 666 /dev/ttyUSB0
Can I set my Ubuntu to automatically give write access to pluged in devices?
If not, how can I make a batch file that I can easily give the access to port I want for example if I run the following command it does the job:
giveaccess -usb0
Setting up a serial port for VirtualBox is not easy, mainly because of many options on how to transfer data from the host to the guest. For transferring data from/to an attached device (here a modem) the following settings should work:
Of course you will have to adopt setting for your device on the host (that would be /dev/ttyS2 in your case).
If using an IRQ greater than 15 for the host you will have to enable I/O APCI as shown here:
After a setup depicted in the example here your Windows guest will see a virtual type 16450 serial port on COM1 using IRQ4 and I/O Port 0x3F8. Data will be transferred from and to host device /dev/ttyS20.
Why don't you just give yourself permission to run pkill without a password:
sudo visudo
add
rajesh ALL = NOPASSWD: /usr/bin/pkill
You'll still need to sudo pkill, but you won't have to type a password.
Best Answer
You should add your userid to the dialout group. Suppose your userid is joeuser, then do:
and then log out and log back in again for this to take effect.