Linux

download MySQL source installation package # Wget http://Dev.mysql.com/Get/Mysql57-Community-Release-El7-8. noarch.rpm installing the MySQL source pack #yum localinstall mysql57-Community-Release-El7-8. noarch.rpm Check if MySQL source is installed

############# #虚拟机控制 ###############[Email protected] desktop]$ rht-vmctl start Desktop # #打开虚拟机desktopStarting desktop.[Email protected] desktop]$ rht-vmctl View Desktop # #显示虚拟机desktop[Email protected] desktop]$ rht-vmctl reset Desktop #

To view the previous time zone:[Email protected] mysql]# vim/etc/sysconfig/clockChange the parameters inside to Asia/shanghai[Email protected] mysql]# rm-f/etc/localtime[Email protected] mysql]#

File operation:Cat Display file contents and merge multiple Files clear clear screen chattr change file properties chgrp Change file group rights chmod change the permissions of a file or directory Chown Change the ownership of a file Comm

A detailed description of the TAR compression decompression command under LinuxTar-C: Create compressed archives-X: Unzip-T: View content-r: Append files to the end of a compressed archive file-U: Update files in original compressed packageThese

Fifth ChapterUse of man and infoKey combinations: Toggle login environment, TAB, CTRL + C, ctrl+dThe correct way to shut down the computerTroubleshooting problems with the boot process: File system error, forgotten root passwordSixth chapterModify a

A recent project requires the use of ELASTICSEARCH5.I've had a lot of problems with Liunx.On the basis of this articleHttp://www.cnblogs.com/ShawnYuki/p/6818677.html1 when editing elasticsearch.yml the IP colon (:) requires a spacing between2 edit

01-04 Linux BasicsLinux Fundamentals1. composed of small programs with a single purpose, combining small programs to complete complex tasks2. All Documents3. try to avoid capturing the user interface4. The configuration file is saved in text

#######################################. Linux system Architecture ########################################Linux is an inverted tree structureEverything in Linux is a file , "Everything is file."These files are at the top of the system directory "/"

Supermap IServer is a cloud GIS server product for the company, typically deployed on a Linux server. The following is a summary of the issues encountered during daily deployment and use.1. The first step in deploying Iserver is to check if the

Prerequisite: The JDK is already installedDownload it and put it in the corresponding directory.Enter directory, execute commandRpm-ih Jenkins-2.80-1.1.noarchAfter installation:After the automatic installation is

(a) Program compilation methodThe standard C library in Linux is glibc, and the application will use this library more or less. Dynamic links Static compilation (ii) terminal A terminal is a hardware device that associates a user

Root current user, love current virtual machine, ~ Home, # root user, $ other userList details of the contents (files or directories) in the current directory[Email protected] ~]# ls-lClear ScreenClearIt's Ls-l's initials.llOn the basis of ls-l, add

Linux work queue and linux queue Reproduced http://bgutech.blog.163.com/blog/static/18261124320116181119889/ 1. What is workqueue?The Workqueue mechanism in Linux aims to simplify the creation of kernel threads. You can create a kernel thread by

The network configuration is related to the kernel module. ================ Network configuration ================ Network parameter settings: 1) The command line setting can take effect immediately, but all the settings will become invalid after

Introduction to Sed and Sed ================== Sed ==========================Sed: A stream editing tool used to filter and replace texts, especially when you want to uniformly modify dozens of configuration files, sed reads only one line of content

A shell script is used to obtain the key/value in a file, There are N methods: awk, sad, grep, and cut... If you do not need to write the above methods, you can write two less commonly used methods.   Put the following code directly: Cat a.txt

Real-time Monitoring of multi-process numbers in the same processes in Linux and the same process in linux I. Requirements: In Linux, a process with a process name that may correspond to multiple process numbers is monitored. If there are multiple

Linux entry notes: 12. Linux permission mechanism, linux permissionI. Permissions Permission is a mechanism used by the operating system to restrict resource access. permissions are generally divided into read, write, and execution. Each file in the

OpenSSL static library compilation and use (linux environment), openssllinux Openssl Official Website: https://www.openssl.org Download source code Source Code address: https://www.openssl.org/source/old/when the latest release for 1.1.0f,