Linux

TarThis is a very popular and powerful command under Linux, which retains the original file by default during compression.Format: tar [main option + secondary option] File_or_dir• Main option, only one of the following can occur-C Create a new

When using SVN to manage code, if you submit the original SVN managed project to the new SVN directory, you need to delete all the contents of the. svn file in the original folder, or the direct commit will cause the failure.Note: It is a good idea

The university and the teacher do the embedded project, write the device driver of I²c, but the knowledge of the Linux kernel is limited to this. Many of the vulnerabilities in the Android system that lead to root are in the kernel, and it's

SCP is the most powerful file transfer command in Linux, enabling easy file transfer operations from local to remote and remote to local. The following is a brief explanation of the operation of the SCP command, for some useful reference:The first

We often see several of the most commonly used Windows Remote management Linux server methods, basically using SECURECRT, or putty and other client tools through the SSH service to manage the Linux server under Windows, These client tools require

Linux system log and log analysis The Linux system has a very flexible and powerful logging function, which can save almost all the operation records and retrieve the information we need.The default log daemon for most Linux distributions is syslog,

1. Start the virtual machine.2. When you see a message that indicates that X Server cannot start, use CTRL+OPTION+F1 (CTRL+ALT+F1) to switch to another Virtual Console and enter the login information.3 Select "Install Parallels Tools" from the

Linux Add/Remove users and user groups http://www.cnblogs.com/xd502djj/archive/2011/11/23/2260094.html1, Build Users:AddUser PHPQ//New PHPQ Userpasswd PHPQ//Set password for PHPQ user2. Build Working GroupGroupadd test//New test Workgroup3, new

With the development of embedded, Linux knowledge is a necessary part, let us do the Linux system installation process demonstration:First, the installation of LinuxThis blog is described in red flag Asianux Workstation 3 As an example, and other

The chmod command is used to change the permissions of a file or directory.In the UNIX system family, the control of file or directory permissions is distinguished by reading, writing, performing 3 general permissions, and 3 special permissions are

Miscellaneous devices, which are special in the character device, it's main device number, is 10, different miscellaneous devices, which are differentiated by the secondary device number.1. Registration and cancellation int misc_register (struct

Linux CTime refers to change time, atime refers to accesstime,mtime refers to modify time (meaning change)Mtime and CTime The difference is that only modify the contents of the file to update the file's mtime, and rename the file, modify the

Linux there is no TurboC2.0 like the drawing point, line, circle graphics function library, there is no grapihcs.h, or the corresponding or similar function library is what? Is there a game development library like DirectX? SDL is one of them.The

When it comes to memory leaks, most programmers smell the color change.  Yes, memory leaks are easy to introduce, but difficult to locate. Take your My phone as an example (assuming not often shut down), if you leak some memory every day, then the

What is an IP alias?In the words of Windows, you configure multiple IPs for a network card.When do I add IP aliases to what occasions?Web needs, multi-IP access testing, specific software for multiple IP needs ... and so on.HowHere are a few

Grab Bag Tool tcpdump[email protected] conf]# which tcpdump/usr/sbin/tcpdump[Email protected] conf]# Rpm-qf/usr/sbin/tcpdumpTcpdump-4.0.0-5.20090921gitdf3cb4.2.el6.x86_64[Email protected] conf]#tcpdump [Options] [filter conditions]Common monitoring

This article is used to record common file manipulation functions in Linux programming, including system calls and library functions, for review.One problem with direct use of the underlying system calls for input and output operations is that they

Reprint: http://top.jobbole.com/34823/Diversity should be one of the best features of Linux, and users can constantly try out all kinds of favorite and fresh gameplay and tricks, and find out which apps are best for them. Whether you're new to Linux

Scenario:Recently, a project of the company, UI Part I use Python at compile time to do localization, is running under Linux, but development is done under Windows every compile, manually through the WINSCP this tool to the test machine test, It's a

Problems and Solutions for remote Linux connection using Putty Q: In login as: Enter the username sbd @ sbd's password: The cursor does not move. No response even if you enter the correct password? A: Hello, It is because SSH Login is different from