Category: Open Source

Microsoft Announces Azure Support for Debian

Despite strong opposition from many Linux users towards Microsoft, the company is actually a significant contributor to the Linux kernel. Although it once looked down on Linux, times have changed. In addition to recruiting open-source experts, the company has even contributed to the world’s most popular Linux derivative (Android …

How to Enable CPU Virtualization — Detailed Guide

Modern mainstream CPUs all support virtualization technology, but some computers ship with CPU virtualization disabled by default in the BIOS. So, how do we enable CPU virtualization? Let’s walk through the detailed steps below.  1. First, check whether your computer’s CPU supports virtualization technology…

How to Fix 404 Error for Chinese Tags in WordPress

Chinese tags in WordPress generally won’t cause 404 errors on Linux, but they might on Windows systems. No way around it—this still needs to be fixed! Besides, the VPS Guide site has already been upgraded to WordPress latest version 4.1, while most search results are still about version 3.0, and …

How to Set Up Alibaba Cloud Anti-DDoS Protection

Alibaba Cloud Shield provides cloud customers with free 5G attack protection, capable of defending against Layer 3 to Layer 7 DDoS attacks such as SYN Flood, UDP Flood, ACK Flood, ICMP Flood, DNS Flood, and CC attacks. The specific configuration method is as follows:
1. Open www.aliyun.com, click Management Console, and log in to your member account. …

How to Correctly Use Alibaba Cloud Shield Web Application Firewall (WAF)

I migrated two websites to Alibaba Cloud — one reason being Alibaba Cloud’s stability, and the other being its supposedly impressive Cloud Shield. Previously, in a blog alliance group, we simulated a CC attack against a blog hosted on an Alibaba Cloud ECS instance. The result? Cloud Shield showed no reaction whatsoever, while the website had already gone down. This time, I deliberately took a closer look at the CC protection features in Cloud Shield …

CentOS Turns 12 Years Old

Karanbir Singh and Johnny Hughes noted in tweets today (October 20) that the CentOS GNU/Linux operating system is 12 years old. The first CentOS release, CentOS 2, launched in May 2004, which suggests the project was started on October 20, 2003. QQ screenshot20151021111927. …

PHP7 vs HHVM

A performance comparison between PHP7 and HHVM, examining execution speed, memory usage, and compatibility for production workloads.