Linux

centos6.9 Installing a graphical desktop on the command line interface First, the Linux desktop environmentX Windows SystemThe two basic elements for controlling the video environment are the graphics card and the monitor in the PC, and

I. User and user group managementAdd a new user account using the Useradd format useradd option username1. Create a user Tian where the-d-m parameter is used for logging, the login generates a home directory/usr/tian (where/usr is the parent

Linux system, starting from the installation of Linux, to deal with simple operations and maintenance problems, to build a variety of services, solve network problems, relieve the pressure of the server, write a simple shell script.Let's start with

One.Curl--headReturns the version of the operating systemThe same Xprobe2 can be returned with Nmap to the operating system versionNmap directly add the domain name or IP address, more authoritative to determine the operating system version, or

Linux daemon ParsingFirst, let's talk about the difference between background processes and daemon processes. The biggest differences are as follows: (A) The daemon is completely out of the terminal console, and the background program is not

How to install Mesa 17.3.3 on Ubuntu 16.04 and 17.10 The latest MESA 3D graphics library 17.3.3 is now available in the Ubuntu-X team PPA repository for Ubuntu 16.04 and Ubuntu 17.10. Mesa 17.3.3 implements the OpenGL 4.5 API, but the version

Preliminary setup and configuration of Rsync file synchronization tools Some time ago, due to the needs of the company, we needed to synchronize and save the backup files. Later we thought of the file synchronization work Rsync which we are all most

Usage of GDB debugging tools Usage of GDB debugging tools1. What is gdb? Gdb is short for GNU debugger and a programming debugging tool.2. Functions of gdb Start the program and run the program as needed according to user-defined requirements.

Linux eats my memory What happened? Linux uses your unused memory for disk cache. This makes your computer seem to have very little memory available, but this is not the case! Everything is normal!Why? Disk cache makes your system run faster and

Linux IPC BasicsIntroduction IPC provides three mechanisms: Message Queue, semaphore, and shared memory. Like files, IPC must be created before use. You can run the ipcs command to view the IPC tool in use in the current system:As can be seen from

Yii2 manually add the image processing plug-in Imagine 1, first download the expansion of yii2-imagine from the official website : Https://github.com/yiisoft/yii2-imagine Package name: yii2-imagine-master 2. then download the imagine plug-in package.

Linux variable typesShell variable When defining a variable, the variable name does not contain a dollar sign ($, required for a variable in PHP), for example: your_name="runoob.com" Note that there is no space between the variable name and equal

Brief description of pipelines for inter-process communication in Linux This article describes the famous and unknown pipelines in the Linux inter-process communication.1. Unknown MPs queue An unknown pipeline is a special type of file. The

How to Use System-Config-Samba on Ubuntu 17.10 System-config-samba is a graphical interface used to manage samba sharing and users. In my previous tutorial, I explained how to set up the Samba server on Ubuntu 16.04 on the command line, but the

How to monitor port status in batches in ZabbixIntroduction When monitoring services in the production environment, we usually need to monitor multiple ports. If we manually add them one by one, it will be very troublesome, to reduce this situation,

Install RabbitMQ 3.6.6 on CentOSRequired Environment Operating system: one CentOS Service Network Environment: Public Network AccessInstall ErlangRabbitMQ is an open-source AMQP implementation. The server side is written in Erlang and supports

How to batch Delete stopped containers in Docker How to batch Delete stopped containers in Docker Method 1:# Display all containers, filter out Exited containers, and retrieve the IDs of these containers,# Sudo docker ps-a | grep Exited | awk

How to bind multiple ports to Nginx Instance Description: Port 80 is bound to Nginx, and the website is opened normally. What should I do if I want to add a binding between port 8080 and port 8089?There are two methods: 1. Write two Listen entries

Httpd htpasswd Command Parsing Htpasswd is used to generate a password Based on Web user identity authentication for a specified user, provided by the httpd-tools software package. Three encryption algorithms are supported: MD5, SHA, and crypt ()

Add new modules to httpd Sometimes, due to special requirements, you need to add some additional modules to the installed httpd. In this case, you need to use the apxs tool in httpd-devel. To use this extension mechanism, your platform must support