Linux

Previous section review:1. Locate command2. Whereis,which commandJob: Create a file myfile.txt, find it with locate, and find the CD command with which and Whereis, respectivelyTouch MyFile.txtLocate MyFile.txtUpdateDBLocate MyFile.txtWhereis

Xargs: The ability to convert data passed from a pipe or standard input into a parameter followed by a Xargs command[Email protected]:~/linux/CP$lsghostwu_hardlink ghostwu_home ghostwu_softlink ghostwu.txt[email protected]:~/linux/CP$CatGhostwu.txt1

Linux system bind service (NDS)Brief introduction:DNS Domain name resolution service (domain? Name? System) is a service used to resolve the relationship between the domain name and the IP address, which can be implemented with forward parsing and

I. Installation of ErlangSince the RABBITMQ Linux operating environment requires an Erlang environment, it is necessary to install Erlang first;1. Erlang Download:http://erlang.org/download/(i downloaded the otp_src_R16B.tar.gz version)2. Check the

1. Use and technology for compression　　1.1 Why compression is required:　　　　　　　　① you have a file is too large, resulting in the normal email can not be sent out (many emails have a capacity of about 25MB per letter limit Ah!). )？　　　　　　　　② have you

I used to be: Setsid Usage: Setsid command #后面的命令是你正常执行的命令. For example, running in the background CS server: Setsid./team 127.0.0.1 Test We often encounter such problems, log on to the remote Linux server with TELNET/SSH, run some

8.13 "Linux learning is not difficult" Linux Common Operations Command (uptime): The command shows the time the system has been runninguse the Uptime command to show how long the system has been running, which in turn displays the following

[TOC]1. IntroductionThe content of this article is based on Linux Kernel 2.6 source code, in-depth analysis of its process model, the main analysis of the following: What is a process (the concept of a process) How the operating system

One. Package Manager mode installationIt is easiest to install git with the Linux distribution Package Manager, and it will automatically configure the command completion function. However, the installed git may not be the latest version. 　　

Previous section review:1. File/directory Details2. Modify Permissions command: chmod command3. Modify file Owner: Chown command4. Modify file All groups: Chgrp commandJob: Create file Test.txt, modify the file permissions for the owner has read and

InstallationMy installation environment is WIN10.1. First download a CCF-provided NOI Linux virtual machine from the official website and install the document Portal 2. Then, install a VMware Workstation Pro, here is the network disk and then

Add the previous chapter about alias, the method of canceling alias is, Unalias + aliasUser Login Process1. When logged in, the user will call some files (note here, is the user login, not boot)/etc/profile/etc/profile.d/~/.bash_profile~/.bashrc/etc/

A Iptables IntroductionThe firewall, in fact, is used to realize the Linux access control function, it is divided into hardware or software firewall two kinds. Regardless of the network in which the firewall works, it must be at the edge of the

11.28 restricting a directory from parsing PHPAccess Control-Disable PHP parsing php_admin_flag engine offCurl test directly back to PHP source code, did not parseOperation Process[Email protected] ~]#

Review the contents of the previous section:1. Scheduled execution of Task commands Crontab–e, crontab–l,crontab–r2. Job: Define a timed task to output Hello World to the/tmp/test.txt file every minuteCrontab–e*/1 * * * * echo ' Hello World ' >>/tmp/

During this period of study I go to Class 8 o'clock in the morning every day, at 9 o'clock in the evening, in addition to eating and a short rest, are immersed in the study. This life monotonous but very substantial, I can learn a lot of knowledge

Today we will work with you to learn the commands of the basic command line inside the Linux system.1. The composition of the command is basically divided into command words + options + parameters2. Command word: Common basic commands3. Option: Make

Basic features of Bash(1) Command historyHistoryCall the last parameter of the previous command！ $Esc.atl+.Control how the command history is recordedEnvironment variable: HistcontrolIgnoreedups: Ignore duplicate commands, continuous and same as

1. With regard to process 1.1. Definition of the processProcess: The basic unit that can run independently and be allocated as a resource in a system, which consists of a set of machine instructions, data and stacks, and is an active entity that can

Compare windows, why Linux alone favored? Linux LearningThe rapid development of the times, the updating of technology iterations, making Linux is becoming more and more popular with internet companies, more than a few years ago, when internet