Wednesday, April 30, 2014

How to Disable and Enable USB Device in Linux/Ubuntu

Open a Terminal by using Ctrl+Alt+T or Applications->Accessories->Terminal. You need to have root access to do this tweak. Copy and paste the following command in the Terminal. Type the password for the user, when prompted.

sudo gedit /etc/modprobe.d/blacklist.conf

Now copy and paste this line “blacklist usb_storage” at the end of the file. After adding this save it and close the gedit.

2) Add this line “modprobe -r usb_storage” before exit 0 in /etc/rc.local
To add : Copy and paste the following command in the Terminal. Type the password for the user, if prompted.
 sudo gedit /etc/rc.local
The above command will open the rc.local file in gedit. Now copy and paste this line “modprobe -r usb_storage” before the last line of the file. After adding this save it and close the gedit. Check the below screen shot for Fedora and Ubuntu.

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