Network Tutorial
How To Detect Technology Used In A Website
There are some website tools that provide the functions to let you detect the technologies that are used in a target website, but those tools are not free. If you know a little more about python language, you can use the python builtwith module to implement the same function. This article will tell you how …
How To Choose High Performance AWS EC2 Instance Type For You To Run Faster
When I use the amazon AWS ec2 virtual machine, I always find the virtual machine runs too slow. I open the task manager and found that the CPU usage always reaches 100%, this is the root cause of the slow VM. But at last, I find the real reason is because of the AWS EC2 …
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How To Debug V2ray Access Error Using V2ray Log
After I set up the v2ray server and connect it using a v2ray client software, I find the v2ray server does not work, because I can not browse the internet through the v2ray server. So I need to debug both the v2ray server and client to find the error. This article will tell you how …
How To Fix Nginx Redirect To Wrong Website Error When There Are Multiple WebSites
I create two websites www.test-1.com and www.iphone-how-to.com in one Nginx server to demo this example. www.iphone-how-to.com is a real domain with HTTPS enabled. And www.test-1.com is a fake domain without enabling HTTPS, then I add the domain to IP mapping record in my local machine’s host file to make it accessible. The website management panel …
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How To Fix Did Not Get Any Results For Domain Error When Add DNS Record
I register a domain at bluehost.com. Recently I want to add a DNS record for the domain to point the domain to another VPS server IP address. But when I add DNS Record in the DNS zone editor, I encounter an error message Did not get any results for the domain. Now I will tell …
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How To Know If DNS Propagation Is Complete
When you change your domain’s DNS name server, you know that it needs 24 – 48 hours to make the name server change propagate to all DNS name servers all over the world. Then you can add/edit A record in your new DNS name server’s DNS zone file to let the domain point to a …
