Implementing ECDSA/RSA Dual Certificate with Free Let's Encrypt
The software source that comes with Ubuntu 16.04.01 is Nginx 1.10.0, but there are bugs in the HTTP/2 module of this version of Nginx, [see here for details](https://imququ.com/post/nginx-http2 -post-bug.html). Now Nginx 1.12 Stable has been launched, just install the Stable version directly. Update 2018-06: If you are using Ubuntu 18.04 or later, the..
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How to configure for pure IPv6-Only network access
On May 4 this year, Apple began to require new applications to support IPv6 DNS64/NAT64 networks, which means that Apple began to push IPv6 networks, on Apple’s official website has introduced some advantages of IPv6, mainly to be more friendly to mobile networks, And can improve some performance, reduce some transmission overhead. Recently, I have al..
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Self-built PowerDNS GeoDNS Server
Lately I’ve grown more and more into building things myself, like GitLab. Today, I changed the DNS server to a self-built one, and shared my experience (PS: Now in order to realize the root domain CDN, I used Route 53 instead): The self-built DNS in this article refers to the authoritative DNS, that is, the DNS configured for your own domain name, not the ..
Read moreInstall GitLab on Your Own Server Instead of GitHub!
Most of the code, configuration files, etc. deployed on my server are version controlled using Git. In order to be more convenient to use and configure, a whole system is usually used for management. Obviously, in some code and configuration files, there will be some confidential content, such as some keys, so it must not be disclosed. Although GitHub.com ..
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A Few WordPress Optimization Suggestions
WordPress is the most popular content management system out there, and this site uses it. But for a fresh installation of WordPress, its performance is not very high, and when the traffic to the website suddenly increases, it is very important to optimize the performance. By implementing the following solutions, you can greatly improve the speed of WordPre..
Read moreComprehensive Comparison of DNS Services such as CloudXNS, Route 53, and Alibaba Cloud DNS
DNS ([Domain Name System](https://en.wikipedia.org/wiki/Domain Name System)) is a service of the Internet. It can point the domain name to an IP (server), so that you can access a website through the domain name. A website that can be accessed through a domain name requires a DNS server. This refers to the authoritative DNS used for the webmaster’s domain ..
Read moreTalk about the streaming of video on the Internet
Videos are distributed on the Internet, the most common way is through the World Wide Web - the user directly enters a web link/search engine search/link to other websites, or through any reader (including Podcasts client in inside) to play. Doing this is not limited to any platform at all, but it means that you have to pay for your video traffic..
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Canon Announces New APS-C Model EOS 80D, Powerful Video Recording, New Focus System and CMOS
The 80D is an upgraded version of the 70D. It is considered mid-to-high-end in APS-C, and is currently second only to the 7D Mark II. This upgrade has many highlights, and video recording has become one of the best in the EOS series. Many video capture features that were previously unique to the 7D Mark II have been added to the 1DX Mark II and 80D. Second..
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Several recommended plugins for WordPress
EWWW Image OptimizerLossless and lossy compression of JPEG and PNG images, support for compressing existing images, can speed up the loading of images for visitors. Also supports progressive loading of JPEG. Under normal circumstances, when the network speed is low, the picture is loaded bit by bit from top to bottom, but with progressive loading, the low-..
Read moreUsing Matomo with WordPress to Build a Powerful Statistics System
Before it can be used together, Matomo (formerly Piwik) needs to be installed first. Go to Matomo’s official website to download the package, and then extract it to the server. Of course, it is better if your server supports one-click installation of Matomo. A PHP environment and MySQL database are required. Just follow the steps to install. It is best to ..
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