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Document conversion project based on libreoffice, no framework dependency, plug and play Project source code: github/workable-converter 1. Technology stack 2. Function 3. Use 3.1 Installation Configuration LibreOffice 6.2.3 3.2 Access Dependency 3.3 Edit Profile 3.4 Execute conversion 3.4.1 Conversion by File Path 3.4.2 Conversion by Input ...

I. What is docker? The Docker container is a Docker process + image file (the Docker image contains the running environment and configuration) Official Definition: Docker is a platform designed for developers and system administrators to build, distribute and run distributed applications, using Docker container as the basic unit of resource ...

1 mongoDB replica set Introduction to 1 replica set We introduced the use of single-machine MongoDB. In practice, we seldom use single-machine MongoDB, because there is a risk of data loss when using single-machine, and single-server can not achieve high availability (that is, when the server goes down, there is no substitute for the top of t ...

Concept: ACL is the abbreviation of Access Control List. The main purpose of ACL is to provide detailed permission settings other than the read, write and execute permissions of traditional owner, group and other. ACL can specify the permissions of r, W and X for a single user, single file or directory, which is very helpful for the use of sp ...

First, what is Grub? The full name of Grub is Grand Unified Bootloader, and grub can boot multiple operating systems. When the boot button is pressed, the chassis will emit a drip, which indicates that BIOS has completed the boot self-check and the hardware is normal. Next, BIOS will read 512 bytes of data from 0 cylinder, 0 track an ...

Before you build a DNS server, you can know what situation you need to build a DNS server, and under what circumstances you don't need to build a DNS server. Before that, you need to understand the basic concepts of domain and zone in DNS and the types of DNS resource records. If you are not familiar with this, you can refer to my last article. ...

How to install MySQL under Linux 1. Download MySQL: Official Website https://www.mysql.com/ Click Downlosas, turn to the bottom of the page, download the community version, go all the way, select Universal Linux, download the 64-bit one, pay attention to checking MD5 Value. 2. Install the key steps and post the command directly [roo ...

Server host preparation Jumpserver (management side) 192.168.1.25 docker-ce jumpserver/jms_all:1.4.8 mirror backend-db (managed back-end service) 192.168.1.26 MariaDB mariadb-server redis backend (Managed backend Service) 192.168.1.27 1.jumpserver management configuration 1. Configure the yum source of dock [root@localhost ~]# wget -O /etc/y ...

First, why?In small and medium-sized enterprises, different operation and maintenance personnel of the company basically use root account for server login management, lacking the audit system of account authority. If there is no problem, it is good. If there is a problem, it is difficult to find the source.This article describes how to use comp ...

I. Environmental preparation This time, two Linux hosts, operating system for CentOS 6.8, have installed the same version of MySQL. (MySQL 5.7). The firewalls of both master and slave servers are opened on port 3306. The relevant information is as follows: [Main Server] IP: 192.168.236.100 [slave server] IP: 192.168.236.101 II. Co ...