HTTPS (Hypertext Transfer Protocol over Secure Socket Layer), is a secure version of HTTP, essentially an HTTP channel with security as its goal. It adds an SSL layer beneath HTTP, and the security foundation of HTTPS is SSL, so for detailed encryption information, please refer to SSL. 它是一个URI …
Essential O&M Tools Every Operations Engineer Should Know
I was invited to participate in a BBS event one day, which led to the content below. The following is a list of free and open-source software that I, Old Boy, have frequently used in recent years in the field of Linux website operations and maintenance. It was put together on the fly from memory. I’m sharing it here with everyone in the hope of providing some guidance to beginners. …
I believe many webmasters using PHPCMS v9 aren’t programmers, and I’m a web designer myself, so I can handle template creation just fine. But when it comes to writing code, it’s a real headache. Previously, the company website was built by someone else using DedeCMS, and when I took over …
OS: Ubuntu 12.04 LTS Software: dnsmasq DNS Test: dig www.facebook.com @8.8.8.8 +short 37.61.54.158 In the wiki entry for DNS cache poisoning, you can find that 37.61.54.158 is among the fake IP addresses, indicating this DNS has already been poisoned. dig www.facebook.com …
Zend Optimizer primarily serves two functions: 1. It can accelerate the execution of PHP scripts; 2. It can decrypt files encrypted with Zend. Therefore, generally speaking, if the PHP scripts are not encrypted, you do not necessarily need to install Zend Optimizer. Currently, our products that contain encrypted files include: Su …
Yesterday while writing a blog post, I encountered an image upload error — the file would reach 100% upload progress but then throw an “Upload Failed” message, indicating “Missing a temporary folder.” Since I had recently switched VPS, I initially assumed it was an image directory permissions issue, but it turned out to be a PHP configuration problem instead. …
A comparison of cloud data center locations from major providers, with Microsoft leading, IBM in second place, and Google having the fewest.
OpenerDNS is a “fast, secure, and free” DNS resolution server available to everyday internet users in China. Still using Google DNS or OpenDNS? Still constantly editing your hosts file? Switch over now to: OpenerDNS Address: 42.120.21.30
Why use Open …
China Telecom DNS: Region | DNS Server 1 | DNS Server 2 | Anhui 202.102.192.68 202.102.199.68 | Macau 202.175.3.8 202.175.3.3 | Beijing 202.96.199.133 202.96.0.133 | Chongqing 61.128.128.68 61.128.192.68 | Fujian 202.101. …
Note: RHEL 7 and CentOS 7 have been out for a while now. Let’s take some time to study them. Compared to the 6 and 5 series, several areas have changed significantly, which might take some getting used to. Below is a brief overview of the major changes:
