Linuxusb driver debugging: This is the linuxusb driver debugging-003: A detailed page for preparation under Ubuntu. It introduces the knowledge, skills, and experience related to Linux, and some Linux source code. Preparations in Ubuntu: (1) how to view the printk output in the kernel: dmesg
Combined with the pipeline command, dmesg | head, dmesg | tail can see the content output by printk in the pipeline.
Figure 1 installing Linux with a USB flash drive
Some time ago, I had a hard time installing the Linux system on a server. After I wrote the installation process below, anyone who had similar installation could complete the installation quickly, because the server's optical drive is unavailable and the External Optical Drive is not found, you can use a
Early in the morning, I mounted USB in Linux, which was speechless. I almost searched for all the methods introduced by people on the Internet. But for a newbie, most of them were unclear, in the end, I still think this comparison method is quite successful, so I will post it for everyone to share, maybe it will be available in the future.
1. USB mobile stor
Speaking of the simplest way to install a system is to find a system installation CD-ROM and then step by step to install slowly. Simple is simple but like most people seem to have a Linux installation CD.Therefore can only use the USB flash drive to simulate the function of the disc to install the system.The computer is equipped with Windows 7 now to install the Linux
Article Title: flash disks for Linux with easy use of USB mobile memory. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
USB mobile mem
◆ I. How to install puppy Linux on a USB flash drive
1. Download and install flashboot. You can search and download on Google.
Run flashboot, select in red, and click Next]
Select the ISO image you downloaded and [next]
Select your USB drive letter. Click [next]
In this step, you must note that the default option is no disk. We recommend that you back up the d
1. Linux Mount USB flash drive:
Insert a USB flash disk to a computer. If only one USB flash disk is inserted and your hard disk is not a SCSI hard disk interface, the hardware name is sda1. Create a USB directory under the MNT directory:
(For example, [root @ localhost root
The reason and process of the USB Linux system is that the old man's machine in the House is not working. Basically, I am trying to stock up with my mother. I usually access the Internet and install xp. A lot of work requires linux. in order not to compete with family members, I bought a 4G USB flash drive to prepare m
1. Configuration required in kernel[Python]View Plaincopy
Device Drivers (USB drive belongs to storage device, Linux defines it as SCSI device)
SCSI Device Support--->
usbsupport--->
for host-sideusb
[*] USBdevicefilesystem
--- USBHostControllerDrivers
2.0
and via) support
File systems>
DOS/FAT/NT filesystems---> (
relationships are as follows:3. System ArchitectureEHCI is responsible for handling high-speed equipment, OHCI is responsible for processing full speed/low speed equipment. The above diagram depicts the operation of the USB controller on the route USB device.A port multiple master, OHCI's role is companion, companion. Status low point. EHCI can't deal with it again.About Port logic This requires special at
Article Title: How to check whether the USB flash disk is connected in Linux. Linux is a technology channel of the IT lab in China. Including desktop applications, Linux system management, kernel research, embedded systems, open source, and other basic categories in Linux sy
[PURPOSE]On the FS2410 Development Board for linux-2.6.22.6 kernel transplantation, this part of the completion of the USB device driver to complete the corresponding functions.[Lab environment]1. Ubuntu10.10 release2. FS2410 platform and u-boot-1.3.1 transplanted in the Development Board3. Cross-compiler arm-linux-gnu-gcc (ver: 3.4.5)Lab procedure](1)
Install linux (ubuntu) on a USB flash disk)1: Download a linux Image2: Download utrlisoUltraISO is a powerful and convenient tool for creating, editing, and converting disc image files. It can directly edit ISO files and Extract files and directories from ISO, you can also create a CD image from a CD-ROM or an ISO file from a hard disk. At the same time, you can
, which simply points to the first sector of the partition where the operating system is located.
Many distributions are supported by USB boot, then we can make a USB boot of the tool plate, the answer is YES!Make the following assumptions firstUSB device is/dev/sdbUSB Disk mount point/mnt/usbdiskLet's just say the following steps to install the Grub loader onto a USB
USB Stick Mount CommandWhen the USB stick is inserted, the boot message will be displayed, and the device named SDA1 sda:sda1 the USB flash drive.Dev Device directory has a SDA1 device file, this device file is the USB stick we inserted, we attach this device file to the Linux
With the rapid development of embedded technology, Linux has developed rapidly over a period of time. Although it is not very hot now, but the use of Linux in the real world is still very useful. And the CD has some outdated, not only wasteful and environmentally friendly, so high quality and low price of the USB flash drive stand out. Therefore, the use of
First, start the service on the host:"Right-click Computer" "Management" - "Services and Applications" - "Service" - " VMware USB Arbitration Service " - "right button start";Second, turn off the virtual machine and set up the USB controller:VMs , " Settings " - " Hardware " - " USB Controller : Present " - "Right: Connections three selected ";Third, confi
Note: The following actions are to be performed in the root case;
Create a new USB directory in the/mnt/directory;
cd/mnt/
mkdir USB
sudo fdisk–l view hard disk information, plug in the USB stick, fdisk–l, see if there is a new hard drive to add up
Then mount: sudo mount–t vfat/dev/sdb/mnt/usb (-t vfa
Monitor USB under Linux
#include
Insert Event
2009-10-09 10:08:20| Category: Linux applicatio| Report | font size subscription to users
There are currently 3 ways to obtain HotPlug events.
One is the HotPlug script. When the HotPlug event occurs, the kernel invokes the script/sbin/hotplug. You can add your own actions in this script. But the 2.6 kernel has m
Http://blog.csdn.net/fudan_abc/archive/2007/06.aspx
Http://edu.lilacbbs.com/bbstcon.php? Board = Linux and gid = 19451
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● I am a USB flash drive for Linux-Introduction
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● I am a U disk in Linux
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