learn dns basics

The previous 12 sections describe the basics of DNS and the DNS system of Windows in more detail, and the following sections are primarily about DNS applications. DNS Records If the architecture of DNS is likened to an upside down tree, then there

This series focuses on the knowledge of DNS servers under Windows, because DNS and ad are tightly coupled, so ad-related DNS applications and knowledge will be described in the ad column. This is the first section of this series. I think no one

Article Title: how to set up a DNS server in Linux. Linux is a technology channel of the IT lab in China. Including desktop applications, Linux system management, kernel research, embedded systems, open source, and other basic categories. There are

1. What is crawler, that is, web crawler, we can be understood as crawling on the internet has been spiders, the internet is likened to a large network, and the crawler is crawling on this web spider, if it encounters resources, then it will crawl

1. What is a reptile?Crawler, or web crawler, you can understand as a spider crawling on the internet, the Internet is likened to a large network, and the crawler is crawling on this web spider, if it encounters resources, then it will crawl down.

With the expansion of Linux applications, many friends have started to access Linux. Based on Windwos learning experience, they often feel a bit confused: they do not know where to start learning. It's like a war. You have the courage to defeat all

 Table (1) SMTP CodeCode definition421 service not available, hosts in the closing transmission channel brackets cannot provide normal services, close the transmission pipeline, and emails will be stuck on the host450 requested mail action not taken:

Tips for beginners to learn about Linux at, and click linuxat8 tips for beginners to learn about Linux   New users, or friends who are about to get into trouble, often ask some questions in the QQ group or on Linux forums. However, most of the

With the expansion of Linux applications many friends start to touch Linux, according to learning Windwos experience often have some vague feeling: do not know where to start learning. Here are some suggestions for learning about Linux. first, from

　　With the expansion of Linux applications many friends start to contact Linux, according to the experience of learning Windwos often have some dazed feeling: I do not know where to start learning. Here are some suggestions for learning Linux.