Linux

MainCommandIs brctl 1. CreateBridgeDevice br0: brctl addbr br0 2. Add the network adapter eth0 eth1 to br0 Brctl addif eth0 Brctl addif eth1 3. Delete the network adapter eth0 eth1 from the bridge Brctl delif eth0 Brctl delif eth1 4.

In Linux, everything is troublesome, and even modifying the host name is no exception.After Linux is installed, its default host name is localhost. Three steps are required to modify the Linux host name. Use hostname to modify the current host

VNC (Virtual Network Computing) virtual network computing tool is essentially a remote display system through which administrators can runProgramLocal Machine to view the desktop environment, and can view the running status of remote machines

1. Download the boost C ++ Library (http://www.boost.org/), which is 1.46.1. 2. Perform simple compilation in Linux. 2.1 decompress the file. After decompression, the directory is as follows:   2.2 run the following command in the boost and

First, declare that this article Article Not Discussing whether win/Lin is good or bad. I am a dual-system user. This article is just about some of my usage experience. Similarities and Differences . This article may have many descriptions of Linux

Http://blog.51yip.com/server/901.html Http://blog.csdn.net/pwlazy/article/details/1713613   1. Install the required software Wget http://subversion.tigris.org/downloads/subversion-1.6.1.tar.gzWget

Http://www.sunjianhe.com /? P = 760 Use the timestamp to convert the date output to a specific format. The output format is: date-D '2017-01-01 UTC timestamp seconds '+ "% Y-% m-% d % T % Z" [Root @ mail161-Centos ~] # DateWed Oct 27 09:49:22 CST 20

Http://www.shocr.com/linux-vim-search-ignore-case/ Search in VIM In Linux, the \ c parameter can be added to the vim search file content to ignore the case sensitivity of search characters. For example, if you use Vim to search for

The importance of server security can be related to the owner's job. Firewall is very important to server security, but firewall settings must be careful, especially for beginners, it is easy to connect to the network. You have to reconfigure the

Linux man is very powerful. This manual is divided into multiple sections. When using man, you can specify different sections for browsing. The meaning of each section is as follows: 1-commands2-SystemCalls3-library calls4-Special files5-file

Introduction Mpstat is short for Multiprocessor statistics and is a real-time system monitoring tool. Its report and CPU statistics are stored in the/proc/STAT file. In a multi-CPUs system, it can not only view the average status information of

Http://hi.baidu.com/zheng918/blog/item/5dbe257ffae2e60029388a5b.html   Some people have asked why Mem is used up when no other services are available after the instance is started? Is memory leakage? Do you want to restart the service? The root

In Linux, when we use RM to delete a large file in Linux, but if a process opens this large file, it does not close the file handle, the Linux kernel still does not release the disk space of this file, resulting in 100% of disk space and the entire

Introduction Service interrupted! The boss roared and the supervisor went crazy. You are the unfortunate person who wants to handle faults and restore business. You are alone in a dark compartment.The north is the boss's office, the West is

Introduction In the last "Linux Startup Journey", we learned about the Linux Startup Process. In the last step of the process, the INIT process pulls/etc/init. d/rcN. d/daemon ). If a custom process also needs to be started along with the system,

The vmstat command is the most common Linux/Unix monitoring tool that displays the status values of servers at a given interval, including CPU usage, memory usage, and virtual memory switching, io read/write status. This command is my favorite Linux/

Introduction The top command is a common performance analysis tool in Linux. It can display the resource usage of various processes in the system in real time, similar to the Windows Task Manager. Top displays the current process and other

Some time ago, a project was written in C, and memory leakage was found during performance tests. Free is a useful command for observing memory usage. Parameter description Bash-3.00$ FreeTotal used free shared buffers cachedMem:15729881509260637

1 Overview 2. Simple Compilation 2.1 preprocessing 2.2 compile as compilation) 2.3 assembly) 2.4 connection (linking) 3. Compilation of multiple Program Files 4. Check for errors 5. database file connection 5.1 compile into an

Startup Process Overview Since it is very serious to start, let's take a look at the entire startup process! So that you can easily find out where problems may occur during the startup process, as well as the solutions to the problems! However,