Linux

Kernel version: 2.6.34 Land from the table as the core data structure of the three-layer protocol, understanding it is essential. Previous analysis of crossings by the table, interested can refer to: Chapter One: Routing table http://blog.csdn.net/

Yesterday I learned the command to create files and directories RM, today, learn Linux command: rmdir command. RmDir is a commonly used command that has the function of deleting an empty directory and must be empty before a directory is deleted.

Logs are important for security, and he records a variety of things that happen every day in the system, and you can use him to check the cause of the error or the traces left by the attacker at the time of the attack. The main functions of the log

File management commands on Linux Directory Management Commands: Mkdir:make Directories mkdir [OPTION] ... DIRECTORY ... -P: Automatically create parent directory on demand; -v:verbose, show the detailed process; -M MODE: direct given

This article mainly describes how to configure the Linux system for the basic methods of the multilingual environment, including the coding of the modification method, we take the most users of the Ubuntu and CentOS these two examples. Need a friend

With the popularity of Linux in Open source system, its application in large and medium-sized enterprises is becoming more and more popular, many enterprise application services are built on it, such as Web services, database services, cluster

Have you ever seen a train on the Linux command line? What about the cat and the mouse? Editing the Linux command line is not always a serious matter. You can totally entertain yourself with it. Let's talk about the nature of the Linux command line.

The file can be decompressed on the Deepin command line on the Linux system, and the Deepin command line can also extract multiple tarball files at the same time. So how do Linux in the Deepin simultaneous decompression of multiple compressed files?

When Linux used SVN, there was an error, that is, can ' t convert string from ' UTF-8 ' to native encoding, which is mainly caused by the coding format, the following small series to introduce the solution to the problem. In Linux, SVN

N2N is a two-tier point-to-point virtual private network (VPN) that allows users to develop typical peer-to-peer applications at the network level rather than the application level. This means that users can gain local IP visibility (for example,

In Linux, when you want to change a filename, use the MV command. However, MV cannot use a wildcard rename characters to name multiple files. You can use SED, awk, or with Xargs to work with multiple files. However, these command lines are

. tar Unpack: Tar xvf Filename.tar Packing: Tar cvf filename.tar dirname (Note: Tar is packed, not compressed!) ——————————————— . gz Decompression 1:gunzip filename.gz Decompression 2:gzip-d filename.gz Compression: gzip FileName . tar.gz

This article takes red Hat Enterprise Linux as v4 as the platform I. Data reference and Preparation: DNS refers to: domain Name server. In the Internet domain name and IP address is one by one corresponding, although the domain name is convenient

In the previous article--linux interprocess communication--Using anonymous pipes, we saw how to use anonymous pipes to pass data between processes, as well as seeing a flaw in this approach, which is that these processes are initiated by a common

Many people use the server permissions are really bad management, misoperation and other causes of failure, can not be investigated, the best way is to record the user operation in real time to the log, and pushed to the remote log server. Including

Method One The code is as follows: Root@server ~]# Rpm-qa|grep httpd Httpd-2.2.3-11.el5_2.centos.4 Httpd-manual-2.2.3-11.el5_2.centos.4 Description: Rpm–qa | The grep mysql command is for MySQL-related packages listed, my example above is the

During system maintenance, it may be necessary to review the CPU usage at any time, and to analyze the system condition according to the corresponding information. In CentOS, you can view CPU usage by using the top command. After running the top

When working with files, you often encounter two very similar files that need to be compared and modified. Meld is a tool that specializes in this work. meld is a visual diff and merge tool. Meld is a Linux software that allows users to compare 2 to

This section describes the process of updating Kali and the configuration of some additional tools. These tools will be useful in later chapters. Kali software packages are constantly being updated and released, users quickly discover a new set of

Set up an ssh connection In Ubuntu (connection method: Bridging network adapter, Network Address Translation (NAT), and using tussh Operating System: Ubuntu Server 16.04.2 SSH software: Putty (remote connection tool, depending on the local operating