Linux

Change IP permanently effective follow these steps VI/etc/sysconfig/network-scripts/ifcfg-eth0 (eth0, first Nic, eth1 if second) modify ipdevice = eth0 as follows (if the second block is just eth1) bootproto = staticipaddr = 192.168.0.11 (changed to

Preface tar packaging is a very important command for server O & M, because many data backups need to be packaged first and then transmitted in SCP or rsync. Here we will introduce the basic commands of tar, you can easily review what commands you

Log on to Linux Local Logon:User NamePasswordPromptRemote LoginConfigure IPSelf-connected IP AddressModify configuration file Account-related logon servicesTelnet (plaintext) and SSH (encrypted) Logon ToolText loginGraphical loginPutty, secure

(1) install freeglut:   Sudo apt-Get install freeglut3 freeglut3-dev (2) Write yourCodeHere is a simple code to implement parabolic:     # Include void mydisplay (void) {float X, Y; glclear (gl_color_buffer_bit); glbegin (gl_points);

Remote Login Ssh-P 5108 root @ 52. **. 173.202 The authenticity of host' [52.215.173.202]: 5108 ([52.215.173.202]: 5108) 'Can't be established.RSA key fingerprint is 88: F9: C9: D7: 65: 29: 65: 3C: 41: C1: 50: 74: 7b: 14: 74: CE.Are you sure

Editor: Because the Linux kernel supports the S3C2440 host driver and supports a wide range of peripherals, this part can be used only for configuration. Because there are many configuration items and no details are provided, you can see what is

Linux Device Driver Model: My Understanding of xxxx_coreFor Linux, some commonly used device drivers, such as codec, UART, and I2C, all have a xxxx_coreProgramImplementation, such as serial_core. What kind of structure is this? In fact, this

Most command parameters have front bars, for example, ls-A. Some command parameters have front bars, such as tar xvf filename and tar-xvf filename. It seems that some command parameters are preceded by two horizontal bars. Are these uniform

1. Create a script file nginxd [Root @ nginx canyoungx] # vi/etc/init. d/nginxd Insert the following content #! /Bin/bash # # Chkconfig:-85 15 # Description: nginx is a World Wide Web server. # Processname: nginx Nginx

View Port: PS-Aux | grep Tomcat Tomcat process with no port 8080 is found. Run netstat-APN View all processes and port usage. The following process list is found. The last column isPid/program name  Port 8080 is occupied by Java processes

From: http://www.mike.org.cn/articles/linux-linux-bash-command-search-mechanism/ This document assumes that the environment is GNU/Linux and the shell is Bash;Note: In addition, we discuss the premise that when you type a command, the path of the

1. "Type" detection of a file name(Existence or not), Such Test-e filename-EDoes the "file name" exist?(Common )-FWhether the "file name" is a file(File)?(Common )-DWhether the "file name" is a directory(Directory)?(Common )-BWhether the "file

Http://blog.sina.com.cn/s/blog_622a99700100pjv3.html   Try to answer the following questions: 1. Why does the CP method update the so of the running process,ProgramCoredump 2. How to update the loaded so can avoid coredump   Most of our

> For reprinting, please specify the Source: piao2010's blog, the drifting code. Thank you! Pai_^ > Link: Linux shared library (SO) Dynamic Loading and upgrade Learn about Linux shared library dynamic loading due to a production environment Upgrade

Preface: This article mainly introduces ARM-based wireless Nic transplantation, Boa Server construction, and website configuration under the server.  I. Transplantation of wireless network cards My Wireless Network Card with TP-LINK series. 1.

This section describes the Linux kernel module mechanism. Refer to the typical book Linux device drivers.   ① Most small-and medium-scale applications execute a single task from start to end, while the module only registers itself in advance to

This article is the second and first article of human O & M on chinamoocs. For details, see [human O & M on chinamoocs _ 01] 20 built-in monitoring tools in Linux: Top I want to talk less about it and look at Zhao Hao (Xiao _ Yu) O ~   (2) vmstat In

Create a kernel thread:Struct task_struct * kthread_create (INT (* threadfn) (void * data ),Void * data, const char namefmt []);Wake up the kernel thread (which can wake up all processes (threads )):Wake_up_process (struct task_struct * k ); Create

2.6.32 kernel, v4l2 Architecture Test availability in person Test availability on the friendly mini-2440 Development Board The source program is as follows:   # Include # include # include # include # include # include # include # include #

1. Before installation, prepare 1.1 create a hadoop user first create a hadoop user group and user. If you are not familiar with Linux commands, refer to the Command in http://blog.csdn.net/huhui_bj/article/details/8878701. Addgroup hadoop // create