• Using VBS to determine whether the computer has USB 2.0 port code


    Q:Hello, script expert! Is there a way to use scripts to determine whether the computer has a USB ﹣ 2.0 ﹣ port?— RD A:Hello, Rd. Are you familiar with the movie “Freaky Friday”, in which mother and daughter exchange bodies (and roles)? Well, there’s something like crazy Friday in our question. After all, in this column, […]

  • The method of making Linux grub boot on USB disk


    GNU grub is a multi operating system bootloader from GNU Project. Grub is the implementation of multi boot specification. It allows users to have multiple operating systems in the computer at the same time, and choose the operating system they want to run when the computer starts. Grub can be used to select different kernels […]

  • Two methods for Android to obtain USB permission


    preface: Recently, several USB modules have been used in Android platform, so it is necessary to obtain USB permission ##There are two ways to obtain USB permission: 1、 Directly in AndroidManifest.xml The file is configured as follows: <activity android:name=”.DemoCustomAndroidUSBActivity” android:label=”@string/app_name”> <intent-filter> <action android:name=”android.intent.action.MAIN” /> <category android:name=”android.intent.category.LAUNCHER” /> </intent-filter> <!– USB –> <intent-filter> <action android:name=”android.hardware.usb.action.USB_DEVICE_ATTACHED” /> […]

  • Detailed explanation of commands listing PCI device and USB device in Linux system


    lspci NAME Lspci – list all PCI devices [[]]Synopsis lspci [ options ] [[ ]]Description Lspci is a tool used to display all PCI bus devices in the system or all devices connected to the bus. In order to be able to use all the functions of this command, you need to have Linux 2.1.82 […]

  • The function of USB interface in win7 system is insufficient. How to solve the problem of insufficient power supply of USB interface


    I don’t know if you know, if the motherboard of the computer is not a good brand, it is easy to have the problem of insufficient power supply for the front USB interface. As long as the user connects the data cable to the front USB interface, the computer will be stuck. Then how to […]

  • Mount command in Linux


    1、 Query and auto mount Query the attached devices in the system, – l will display the volume label name mount [-l] [email protected] tmp]# mount sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime) proc on /proc type proc (rw,nosuid,nodev,noexec,relatime) devtmpfs on /dev type devtmpfs (rw,nosuid,size=932240k,nr_inodes=233060,mode=755) securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime) tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev) […]

  • How to format usb pen drive in Windows 10


    How to format usb pen drive in Windows 10?It’s easy for end users to format USB drives. All you need to do is right-click the drive and choose format. However, if you want to format the usb pen drive using the command prompt, follow these steps to format it in Windows 10 / 8 / […]

  • Make Tesla’s own monitoring USB disk


    To activate Tesla’s own driving record monitoring, a special USB disk needs to be inserted.The code is as follows (MacOS): echo “Make Tesla Camera USB…” diskutil eraseDisk FAT32 TESLA `diskutil list | grep “external” | awk ‘{print $1}’` mkdir /Volumes/TESLA/TeslaCam/ diskutil eject /Volumes/TESLA Echo “done! ” Welcome to my company name: tough big blue cat, […]

  • How to Use U Disk under Linux and FreeBSD


    How to Use U Disk under Linux/FreeBSD 1. First of all, we need to know a concept: any storage device with USB interface can be regarded as a U disk, which includes USB external hard disk, CF card with USB interface, MMC card and so on.   2. Under Linux/FreeBSD, the U-disk unification is simulated as […]

  • How to Make Live USB under Linux System? The Way to Make Live USB under Linux System


    Whether using Win system or installing Linux system, as long as it does not damage the original system, users can use Live USB to try various distributions of Linux. So, how to make Live USB under Linux system? The following edition will introduce several methods to you. Let’s go and have a look. 1、UNetbootin This […]

  • Freebsd mounts CD-ROM and floppy drives


    Linked CD-ROM Drive mount -t cd9660 /dev/acd0 /cdrom Unloading CD-ROM umount -f /cdrom Connect USB mount -t msdos /dev/da0s1 /mnt/usb Unload USB umount /dev/da0s1

  • Method of making Ubuntu USB startup disk in MacOS X


    For general users, it is a very simple technology to create boot USB in Ubuntu or Windows system, but not everyone can create it well in Mac OS X system. Live Ubuntu is usually recommended to install live Ubuntu in Mac instead of USB boot, but considering that Macbook Air has neither CD driver nor […]