Linux

The GCC/g ++ comes with the gcov tool to automatically generate an executionCodeGcda. You only need to compile the macro-fprofile-arcs-ftest-coverage to generate the gcno file. Specific information is visible Http://gcc.gnu.org/onlinedocs/gcc-3.3

Users who add vsftp in Linux 1. Add a Linux User. Add User: useradd-S/sbin/nologin Set Password: passwd 2. Add a user to the configuration file of vsftp. Open the configuration file VI/etc/vsftpd. conf. You can see from the preceding

Install vmtools (HOST: Windows, Guest: Linux) ======================================== 1. Start Linux on the guest computer2. Select VMware WorkstationProgramChoose VM> install VMware Tools...3. Execute the following commands in

Steps I followed in setting up kgdb-Serial B/W two desktop PC's. Downloaded kgdb-2.4 (eperimental) patches from sourceforge.net: kgdb. Downloaded Linux kernel-2.6.16.40 from kernel.org. I used quilt utilty to patch the kernel. In Dev M/C $

Although it was a start-up, but "Hello word", we won't be able to run it anymore. in Linux, you can run C with your mark. We started from it. Click a program to print the previous login name, computer name, system time, and IP address.  # Include #

 LinuxHow to enable the program to automatically run[13:30:15 | Author: Songzi] We know that in Windows, you only need to drag the program shortcut to dynamic route, In this way, the program can be automatically run on the machine. In reality, if

Linux may not work in recent years... It is an easy-to-use and open system. Anyone can join the two systems. This is an option that cannot be avoided, although it is also the success of all new technologies, this spirit is worth mentioning. But is

Analysis of Linux boot process1. System guiding processFirmware firmware (CMOS/BIOS) Post power-on self-checkBootstrap loader (grub) loads the kernelLoad kernel driver hardwareStart Process initRead the execution configuration

Due to the frequent updates and upgrades of fedora, it is necessary to clear the old kernel as follows: 1. view the kernel packages installed in the current system:[Root @ knityster ~] # Rpm-Qa | grep

User Management 1. User-managed configuration filesUser information file/etc/passwd Root: X: 0: 0: Root:/root:/bin/bashUsername: Password: uid: GID: annotation Description: Home Directory: Command Interpreter MAN 5 passwdEach line represents a

My embedded hardware platform: huaheng 2440 Development Board, software platform: linux.2.4.20 kernel, PC, Red Hat 9 Camera: z0c301p of xingwei, which has a large market share and is said to account for 70% Procedure: 1. Download the driver from

Preparations: One with redhat9.0 PC, a set of LJD2410-I Development Board, PC installed with ljd2410 software package, if I The file system to be loaded through NFS is/ljd2410/root_dir/root_china, Ifconfig eth0 192.168.1.100 // set the IP address of

Use crosstool to create an arm-Linux cross-compilation chain 4.1.0 Crosstool is a good software that can easily compile your own cross-compiling environment. Crosstool-0.43: http://kegel.com/crosstool/crosstool-0.43.tar.gzwe want to compile the

Create an arm-Linux cross-compiling environment step by step The following files are used as examples to create an arm-Linux cross-compiling environment:　　Compiling environment RedHat 7.2 or 8.0Binutils-2.14.tar.gz

Everything starts from scratch! I remember that when I first graduated from college in last July, my first day was to develop a one-week plan, which meant that I had only one week to get familiar with the required content, including familiarity with

Back to global directory Article 2. ------------------------------------------------------ 7. Disk operations... 118. system operation... 129. network problems... 1310. Shell operation... 1411. Other commands... 1412. Frequently Used buttons... 1513

Create a text file: Hello. cpp in the GCC folder of the root directory. The content is as follows: # Include Int main (void){Printf ("Hello world! \ N ");Return 0;} Application> attachment> terminal: [Root @ localhost ~] # Cd gcc Execute the

If it is a binary Package released by someone else, the executable files are usually installed under/usr/bin. If it is installed from the source code, the executable files are usually under/usr/local/bin, unless the installation location is

  Socket Windows Linux Header file Winsock. h/winsock2.h Sys/socket. h error handling: errno. h Socket Type Socket Int Initialization Wsastartup is required for Windows.Wsadata; err =

Magic fdisk and DD commandsIn deep distress, what is the principle of the magic ghost? Isn't it Data Replication? The DD command in Linux is not the most powerful data replication tool! In this case, why should I use complicated tools like g4l? Can