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2.1 document content difference comparison method This section describes how to realize the difference comparison of file contents through difflib module. As a standard library module of Python, difflib does not need to be installed. It is used to compare the differences between texts and supports the output of HTML documents with strong reada ...

1. Introduction to Oracle CDC CDC(Change Data Capture). Many people believe that as long as it involves database data replication and incremental data extraction, it is necessary to buy charging software. In fact, we can also realize database data replication and incremental data extraction through free tools such as CDC and LogMiner prov ...

This experiment requires two hosts nodea and nodeb 1. Explanation of dns terms DNS: domain name service 1) About clients: /etc/resolv.conf    ## dns points to file nameserver 172.25.254.117 2) Test: host www.baidu.com       ## Address resolution command dig www.baidu.com      &nbsp ...

Note: when writing docker-compose.yml file, a space should be added after all colons (:) and dashes (-). 1,command Overrides the default command executed after the container is started command: echo "hello" 2,container_name Specifies the container name. The project name will be used by default_ Service name_ Format such as serial number c ...

Linux disk partition preparation in advance The first step is to open the virtual machine and click Edit virtual machine settings Click the Add button Select the hard drive and click next Select SCSI typeSelect create new virtual hard disk Specify the disk size and select the second or third option (remember not to select the first one, ...

brief introduction ftp is the user interface of Internet standard file transfer protocol, which allows users to transfer files with remote network sites Using FTP client to upload files requires an FTP server. This paper mainly introduces the commands related to FTP client uploading. By default, the FTP server has been installed The FTP se ...

RTC, also known as real-time clock, is used to record the current system time. For Linux system, time is very important. Just as we use Windows computer or mobile phone to view time, we also need to view time when using Linux devices. In this chapter, we will learn how to write RTC driver under Linux. Introduction to Linux kernel RTC drive ...

Misc means mixed and miscellaneous, so misc driver is also called miscellaneous driver, that is, misc driver can be used when some peripherals on our board cannot be classified. Misc driver is actually the simplest character device driver. It is usually nested in platform bus driver to realize complex driver. In this chapter, we will learn ...

Linux version: Centos 8.4 Zabbix version: 5.4.7 Mysql version: 8.0.26 Apache version: 2.4.37 PHP version: 7.2.24 (minimum requirement: 7.2) catalogue Environmental preparation 1, Software dependent package installation 1. LAMP installation 2. Installation of other software packages Service installation 1, Zabbix Server installation ...

Docker overview Similar to container isolation, jar -- container (mysql,redis) -- publish to warehouse -- download from warehouse Docker history dotcloud was founded in 2010 2013 Docker open source Docker1.0 was released on April 9, 2014 Virtual machines were used before Development based on go language Docker installation #Uninstall ...