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1. Get the binary installation packageGet the binary format MARIADB installation package, which can be downloaded on the website.Because it is an experimental environment, the latest version is selected.Mariadb-10.2.12-linux-x86_64.tar.gz2.

First go to add remove program, find MySQL select Uninstall.Then clear the relevant files, the main files to be purged are:First, the installation directory of MySQL, generally C:\Program files directory.Second, the MySQL data storage directory,

ProblemWhen installing the MySQL database, if you reinstall it, it is easy to meet the Apply security setting error, that is, when you configure the MySQL boot service, there will be an error when you start the Apply security setting.unresponsive

This is the project one is the database big job, on the other hand is also familiar with Falsk and Python, for a long time do not forget quickly.Interface compared to the previous project looks a lot, but because the time is tight plus only I write,

1.TAR-XZVF file.tar.gz//Decompression TAR.GZ2.NETSTAT-ANP | grep portno3.df-k "command, display disk usage and occupancy in M du-k/home" command, listing the size of all files or directories in the directory, in kilobytes, as the unit of measure

Rpm-I Installation--test test only, do not install--nodeps Ignore dependencies (ignore dependency installation)--replacepkgs repeatedly installs packages that have already been installed, overwriting files (modifying file reload overrides. Recovery

Compression tool: GZIP,BZIP2 compression capability is gradually enhancedPackage or compress tool: tarPackage and Compress tool: Zip compression capability is stronger than gzip and bzip2The difference between the two types of compression tools is

Partially transferred from https://www.cnblogs.com/kevingrace/p/8072860.html~ on behalf of the user home directory in LinuxFor general users, ~ represents/home/(user name)For root user, ~ represents/rootIf you want to see the true face of the ~, you

Create a folder mkdir mydirectory New file Touch a.html Edit File Vim a.html deleting files RM a.html Delete entire folder RM-RF mydirectory Delete a file (a.html) under a folder (

Linux operating systemCharacteristics:There are no drive characters in the system. Only files.Directory structure:/etc Storage System configuration file. (Network configuration Firewall ....)Home for ordinary users./root Super Administrator's

1. Basic shortcut key UsageCTRL + C: Stop processCTRL + L: Clear screenCTRL + R: Search History commandsCTRL + Q: Exit2. Common directory or folder commandsDescription: When installing Linux, create a itcast user and then log into the system using

All commands are written in the Linux terminal.1. Create Folder command: MkDir folder name such as mkdir demo custom Create directory permissions (owner, group, other user actions, etc.) R readable4W Writable2x Executable1R-w-x 7such as mkdir-M

I. Overview Gridfs is a storage mechanism for MongoDB that is used to store large binary files. Advantages: 1. Using Gridfs can simplify your stack. If you

Last time we talked about the basics of hard disks and partitions, let's talk about how Linux manages partitions.Linux management hardware is completely different from windows. Anything (including hardware) in Linux appears to be a file device, with

Command:Mount Mount CDwget download FileDu view usage space (space used by file and directory disks)-S only displays sum (sum),-H to K,m, as unitDD if= of= bs= count= copy files and convert and format the contents of the original fileIf represents

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'

Linux first week study notes (a)2.3:ls Commandls–l Commands: Listing file detailsLs–i Command :  View Inode numberLS–LH command: View file sizeLs–la commands: View all files and hidden filesLs–lt command: Sort by Time orderLs–ld command: Lists only

2.1 System directory structure (up and down)2.3 ls Command2.4 File types2.5 alias CommandSystem directory StructureLs-listAll users in the system have their own home directory, such as now logged in is the root user, log in is in the root home

directory Structure of Linux systemsroot directory/vertex, all other directories are under the root. The directories and subdirectories below the root are a hierarchical tree structure, much like an upside down tree. The directory structure and disk

Why is the system so fragile? Author: Wang yuyue (weekly computer newspaper)   Windows XP system stability has been greatly improved, but it is still inevitable to be under a large number of attacks, these attacks are almost all caused by the