Linux

For example, software-1.2.3-1.tar.gz. It is packaged using tar, a packaging tool for UNIX systems. Rpm packages, such as software-1.2.3-1.i386.rpm. It is a package Encapsulation Format provided by Redhat Linux. Dpkg package, such as software-1.2.3-

1. Copy, cut, and paste text 1. Copy, cut, and paste rows Alt + 6: copy the row where the cursor is located. Ctrl + K: Cut the row where the cursor is located. Ctrl + U: paste. 2. Freely copy, cut, and paste Free replication: Ctrl

I. The study database people understand this: http://wenku.baidu.com/view/32b8b13e376baf1ffc4fad7e.html Cache and Buffer are two different concepts. Simply put, Cache accelerates "read" while buffer is "write". The former solves the read problem,

Copyright statement: reprinted in the form of hyperlink to indicate the original source and author information and this statement http://www.blogbus.com/wzgyantai-logs/24470871.html When the C api function in linux encounters an exception, the

Libevent, as the network IO library in unix/linux, efficiently integrates IO events, Timeout events, and signal events. This article mainly describes the ins and outs of Integrated signal events. First paste the code of the client application signal

I. file descriptor A file descriptor is usually a small non-negative integer. The kernel uses it to identify the file being accessed by a specific process. When the kernel opens an existing file or creates a new file, it returns a file descriptor.

Sed(MeaningStream EditorIs a common command line program in Unix/linux. SedDocumentOr text in the stringAfter a series of editing commands are converted to another format output, that is, text replacement. Sed is usually used to match the text of

Sar's powerful tool for identifying system bottlenecksSar is short for System Activity Reporter. The sar tool samples the current status of the system and then calculates the data and proportions to express the current running status of the system.

The program in listing 3-3 uses the read and write Functions to copy files. Note the following points for this procedure: It reads from the standard input and writes to the standard output, which is assumed that the standard input and output have

In linux today, the system prompts "This account is currently not available", indicating that the user is invalid. Later, I checked it online and found that the user's shell is forbidden to log on, you only need to enable shell logon. Solution:For

This article mainly introduces the log switch in Sed Regular Expression replacement code, modification of Error-level values, and comments of code examples, hoping to help you a lot. Background: when multiple projects perform unified replacement of

In linux, The lsattr and chattr commands have a greater role than the chattr commands, while the lsattr command is used for simple file display, however, the chattr command cannot protect the/,/dev,/tmp, And/var directories. The chattr command is

There are many systems that use the linux kernel. Currently, centos, fdeora, and redha systems are the most popular ones. Some of these are charged for free, however, this method can be used in the three systems I described. After installing Linux,

This article describes common VI commands in linux, including copying, deleting, editing, and querying. Vi has three modes: "General mode", "edit mode", and "command line command mode ". L normal mode: when vi processes a file, it is normal as soon

The following article will introduce you to Debian Raspberry Pi to set up Squid3 transparent proxy for accelerating the Internet experience. I hope this article will help you. First, we have configured a wireless hotspot. If you are not clear about

Next let's take a look at how to compile and install Varnish3.03 and configure Varnish3.03 in linux. I hope this article will help you. This is a note on Varnish3.03 compilation and installation configuration. Install The Code is as

This article mainly introduces some of the most basic usage methods in linux. Here are some experiences and test instances for the webmaster to learn linux regular expressions. Let's take a look at them. Concepts: 1. Regular Expressions extended by

I hope to help you with some configurations of vimwiki (learning notes. I always wanted to systematically learn vim. For various reasons, I had to put this plan on hold until now. Now I am learning vimwiki and I will put it on the agenda again.Vim

This article will introduce you to a quick reconstruction method for SVN database backup of major versions. If you need it, go to the reference page. Generally, the svn repository is a real-time backup warehouse with svnsync configured, And the

Next, let's take a look at the Linux host name modification method. I hope this article will help you. After inux is installed, its default host name is localhost. Three steps are required to modify the Linux host name: 1. Use hostname to modify