Linux

Many software shortcuts, improve the efficiency of the aspect, provides a lot of help.The shortcut keys for the command line really don't know much. See some of this today. I want to give you a look.Ctrl + U cut all contents before cursorCTRL + W

Shared interrupts, meaning that multiple interrupts share an interrupt number, which means that when multiple device interrupts occur, an identical interrupt signal is generated. So how to detect and process under Linux? What are some things you

First, we need to emphasize one more concept: The purpose of system tuning is not how to go to that part of the special optimization. It is a holistic consideration. Performance optimization is to find the bottleneck of the system and try to improve

How do I create a new user using the Linux command line?I'm doing it under Ubuntu, for example by adding a new user named Test:The simplest of commands:sudo adduser testThe user is automatically added to the group with the same name,

Date Job Links Job Title 20150820 http://tasnrh.blog.51cto.com/4141731/1687110 Linux commands overview and some basic commands 20150823 http://tasnrh.blog.51cto.com/4141731/1687744 Linux

#include #include #include #include int main (void) {int i;time_t the_time;for (i = 1; iResults of execution:#include #include #include int main () {struct TM *tm_ptr;time_t the_time ;(void) Time (&the_time), tm_ptr = Gmtime (&the_time);p rintf

For 32bit Linux system, generally left to the user state space is 3GB, high address of 1GB 0xc0000000~0xffffffff is left to kernel.And the general use of pagination, segmented, page-style way. The size of a page is generally 2^12=4096=4kb. It's

DHCP server address: 192.168.1.100TFTPFFF Server address: 192.168.1.100FTP Server address: 192.168.1.100Installation Tree directory:/var/ftp/pubBootstrapper directory:/var/lib/tftpbootKs.cfg Location:/var/ftp/1.install and configure DHCPYum Install

Use of the recorder program in Ubuntu In Ubuntu, you can use the recorder program that comes with the system to record the computer's audio output (for example, the computer is playing the video sound), or record the external environment audio

Command line tool Tmux Tmux is an excellent terminal reuse software, similar to GNU Screen. However, the evaluation of the two software is one-sided. Most people think that tmux is more powerful and convenient to use. Tmux not only improves the

PXE unattended CentOS 6.4 Installation PXE requires kickstart, (ftp, HTTP, nfs), tftp, DHCP, and CentOS 6.4 system CD 1) ks. cfg file creation [Root @ www share] # yum install-y system-config-kickstart Kickstart creates ks. cfg Based

Linux autojump command and linuxautojump command I. Introduction Autojump is a command line tool that allows you to directly jump to your favorite directory without worrying about where you are.   Ii. Installation Yum install autojump   Iii.

Linux learning-Lesson 2: integer addition and subtraction, linux -- Let N1 = 4; n2 = 5; let result = n1 + n2; echo $ result; result: 9 Auto-Subtraction 1 let n1 --; 2 echo $ n1; 3 4 Results: 3 Auto-Increment 1 let n2 ++; 2 echo $ n2; 3 4 Results: 6 1

Ganglia Python extension module development Note: The Code involved in this article has been verified on CentOS 6.5 64bit, And the Ganglia version is 3.1. For details about how to install using yum, refer: 1. Overview The Ganglia project was

Cookie creation and Deletion Cookie provides a useful method for Web applications to save user-related information. For example, when a user accesses a site, the Cookie can be used to save user preferences or other information. In this way, the

Detailed configuration process of Hadoop2.5.2 + HA + Zookeeper3.4.6 It took too long to get familiar with the Hadoop2 architecture. Some problems were encountered during the environment setup. These problems had been stuck there, so they could not

Solution to Tomcat coding problems As we all know, Tomcat is an HTTP-based Java application server (non-Web server) and a Servlet container. Generally, content or parameters are transmitted Based on the Post or Get method using the HTTP protocol.

Cacti construction in Linux Cacti is an open-source monitoring software that is increasingly complicated with the network architecture. As an open-source monitoring software, the development cost can be gradually reduced. The following describes how

Connect to a Linux server on Windows 10 When we connect to a server through Windows, most of the software on the ssh client is used. ssh is recommended, and the security factor is relatively high. The following describes how to use telnet to connect

Nginx supports multi-threaded download and resumable upload. RFC2616 defines the range protocol, which provides a rule that allows the client to download only a part of the complete file in another request, in this way, the client can download a