Linux

From: http://blog.sina.com.cn/s/blog_59b6af690100xbft.html Two steps 1. Add the header file pathCreate a project (WorkspaceProject), open buildsettings in the settings menu...In the pop-up dialog box, expand GNU g ++ in the Tree View on the left,

Problems encountered during Linux Learning 1. When Linux is started, uboot does not reflect the problem after only eth0: link is down?Answer 1: The reason is Mount: RPC: timed out, becauseIfconfig eth0 192.168.16.16 (set the IP address of the

White: indicates the normal file Blue: indicates the directory Green: indicates the executable file RED: indicates the compressed file light blue: The Link file Red flashing: indicates the link file has a problem Yellow: indicates the device file

Because the project needs to use the CAN bus, the can driver is transplanted to the at91sam9260 platform Linux. The CAN controller uses the mcp2515 for SPI interface communication.   [Transplant preparation] Due to the lack of solutions to the

Tar-CVF ***. TAR DirectoryTar-xvf ***. Tar *************************Compress EMV into a tar package EMVCD domains/emvdomain/Ls-LRTPWDCD EMVLs-LRTPWDCD/EMV/desktop ***** FTP pathLs-LRTEMVTar-CVF emv20120326.tar EMV *** into a tar package

First, describe the MMAP function usage: One obvious advantage of using shared memory communication is high efficiency, because the process can directly read and write the memoryCopy any data1. Map a common file to the memory, which is usually

1. Linux System Structure 1. Linux system: consists of user space and kernel space. User space is composed of the software at the user application layer,ProgramAnd some C library and configuration files (stored in the etc directory). The kernel

There is a grub. conf file in the/etc directory.If this is the case, you only need to change the default value to 1. You can see that 0 is fedora and 1 is windows. Of course, this is not fixed, determine based on the actual situation (that is, the

Some Linux commands that may be used when downloading and installing the XML Parser: // Check the number of digits in the Linux processor architecture:$ CAT/proc/version (64-bit if x86_64 is available) // View the current shell version: (there are

It took several days to compile kernel2.6.7 successfully. The process was really difficult! "Now I can finally enjoy it for a while. many of my friends know little about the operation sequence and some important configurations or are unknown. in

Http://blog.csdn.net/yinjiabin/article/details/7368212 Ubuntu has no root permission. Problem: Error message:Arm-Linux-GCC: Command not found Path contains the/usr/local/ARM/2.95.3/bin, and/usr/local/ARM/2.95.3/bin/contains the

Http://www.eccn.com/design_2012081614530361.htm 1 Introduction With the popularization of wireless networks, the ARM processor's computing capability is constantly enhanced and the computer image processing technology is constantly improved.

Ubuntu 11.04 Linux-2.6.32.2 Mini2440 Digress: I am a beginner. I have always wanted to learn Linux programming. But I usually work on a single-chip computer. I am not using it, but I am really unwilling to conquer it. The Platform purchased mini2440

The javaseabi_4.3.3_embedsky_20090812.tar.bz2 "software in the tianembedded optical disk is the tool kit for cross-compilation. installation steps: 1. decompress the cross-compilation development kit Copy a copy of The/clusters file to the created

DD: Convert and copy a file. For detailed usage, see the help manual. Example 1: copy the content of a floppy disk to another floppy disk and use/tmp as the temporary storage area. Insert the source disk into the drive and enter the following

A message queue is a linked list of messages. Int msgget (key_t, int flag): Creates and opens a queue. Int msgsnd (INT msqid, struct msgbuf * msgp, size_t msgsz, int flag): sends a message. msgid is the ID of the message queue, and msgp is the

Search 1) string SEARCH Grep-r XXX./find XXX characters in the current directory   2) file searchFind path-name file: Find the file in the path   Create patch files Diff-UnB oldfile newfile> patchfile: generate the patch file

When I modify the/etc/profile file, I want it to take effect immediately without logging on again. At this time, I want to use the source command, such as source/etc/profile.The source is learned and compared with the sh execution script.   Source

Linux decompression command explanation Author: Egg Email: xtfggef@gmail.com Weibo: http://weibo.com/xtfggef Blog: http://blog.csdn.net/zhangerqing These commands are very common and need to be kept in mind. Let's simply summarize them: Tar

VI usage VI editor is a standard editor for all UNIX and Linux systems. It is not inferior to any latest text editor, here is just a brief introduction to its usage and a small part of commands. The VI editor is identical for any version of UNIX and