Linux

First, the user group1. User1) Token token,identity2) Linux Users: Username/uid3) Administrator: root,04) Normal Users: 1-65535System User: 1-499 (CentOS6), 1-999 (CentOS7) Assign permissions to the daemon to get resourcesLogin User: CENTOS6, 1000+ (

　One, command promptTypically the shell command prompt takes the form of:[Email protected]:d irection$Username: User name, showing current user's accountHosname: hostname, such as Telnet, is the host name of the loginDirection: directory name, which

VMWARE10 installation CentOS71.vmware Installation: Https://download3.vmware.com/software/wkst/file/VMware-workstation-full-10.0.4-2249910.exeDownload and install. No longer detailed.2. Open VMware to create the virtual machine.3. Select a

Lnmp refers to an nginx, PHP, MySQL, PhpMyAdmin, eaccelerator one-click installation package based on Centos/debian. The LNMP production environment can be easily installed on VPS and standalone hosts. wget-c

First, the history of Gnu/linuxRichard M.stallman, father of free softwareLinus, Torvalds?Gun:gnu is not UnixGPL: White Paper ProtocolSecond, the Linux distribution version RHELRHEL is the acronym for Red Hat Enterprise Linux and is Red Hat'

Richard M. Stallman (father of Freedom Software) 1984 GNU Copyleft opensource free GPLLinus Torvalds (father of Linux) (Linus Benedict Torvalds, 1969 ~), a famous computer program clerk, Hacker. The inventor of the Linux kernel and the partner of

Install VirtualBox 5.2.2 on Ubuntu 17.10 and solve related problems Install Ubuntu 17.10, and then install the latest VirtualBox 5.2.2 Virtual Machine under Ubuntu. The new version of VirtualBox 5.2.2 has made many improvements. One of the most

Ubuntu upgrades Python from default 2.7 to version 3. * Ubuntu upgrades Python from the default version 2.7 to version 3. * (we recommend that you use the Python version of the original system for Python Development) Because many underlying

Case study of accidental deletion and recovery of Linux FilesI. background In an emergency, the data uploaded by the application is automatically deleted by the program. Sadly, there is no data backup. The data is stored in

Pick: a Linux Command Line fuzzy search tool Today, we are going to talk about an interesting command line tool called Pick. It allows you to select from a series of options through the ncurses (3X) interface, and also supports fuzzy search. This

Use an instance to learn the tcpdump command tcpdumpIs a commonly used network packet analysis tool that can be used to display the TCP/IP and other network packets transmitted to the system over the network.tcpdumpThe libpcap library is used to

Install the Chinese plug-in for Sonarqube in Linux Preface The last time Sonarqube was installed, it was inconvenient to use it in English. This time, the Chinese plug-in was installed for Sonarqube. Preparations: Software

Giant cave adventure: The most famous text adventure game in history Colorssal Cave Adventure, also known as ADVENT, Clossal Cave, or Adventure, is the most popular text-based Adventure game from the beginning of 1980s to the end of 1990s. This

BakAndImgCD basic tutorial BakAndImgCD is a very small (about 20 MB) Linux-based operating system designed to perform the following two tasks: Data Backup (Supported file systems are: btrfs, ext2, ext3, ext4, f2fs, fat16, fat32, hfs, hfs +, jfs,

Never use Linux commands! Unless you want to kill your machine. Spider has such a creed: "The greater the power, the greater the responsibility ." This is also a wise attitude for Linux system administrators. No, I really appreciate the DevOps

Wubantu group management and user managementI. Group Management To add or delete a group or change a group, sudo is required to use the root identity for execution. PS (/etc is the directory dedicated to saving system configuration

Linux BASICS (1): linux Basics UNIX/Linux itself has no graphical interface. The graphic interface we usually see on the UNIX/Linux release version is actually just a set of software XFree86 running on the Linux system, now it is xorg (X. org), and

RabbitMQ message persistenceI. Preface If we want to avoid Message loss even when the RabbitMQ service is restarted, we can set both Queue and Message as durable ), this ensures that our RabbitMQ messages will not be lost in most cases. Of course

Build GitLab server in Ubuntu 16.04 Think of Gitlab, you will surely think of SVN, because both of them are code management systems. As developers, they are used to the SVN graphical interface and SVN code update and submission methods, It may be

SSH Key-based verification and speed up SSH connection Authentication Method for SSh service logon: Password-based security verification 1. When the client initiates an ssh request, the server will send its own public key to the user. 2. the user