Ubuntu -- solve the problem that USB cannot be automatically identified

Ubuntu-solve the problem that USB cannot be automatically identified recently, the project needs to be developed in the Android source code. Therefore, Ubuntu is installed in Virtual Box. It is depressing that the usb connector is used to connect to the mobile phone, ubuntu cannot automatically identify the connected device. I searched for many solutions on the Internet and expressed my own opinions. Finally, I found a feasible solution: 1. install USB Mount [ruby] $ sudo apt-get install USB mount 2. Change the USB Mount configuration file [ruby] $ sudo gedit/etc/USB Mount/USB mount. conf 3. Find FILESYSTEM in the open file and add "-fstype = vfat, iocharset = utf8, codepage = 936" to the option vfat, ntfs4, and FS_MOUNTOPTIONS, umask = 000, users "5. Restart udev [ruby] $ sudo/etc/init. d/udev restart 6. After restarting Ubuntu [ruby] $ sudo reboot, you can identify the USB.