Q's Blog

Remote LAN Access with ZeroTier, Tailscale, and Cloudflare Tunnel

4 minute read Published: 2022-09-26

Remote LAN access lets devices reach a private network from anywhere. ZeroTier uses a virtual L2 network with P2P paths. Tailscale builds on WireGuard with NAT traversal. Cloudflare Tunnel uses a reverse proxy model.

Linux System and Network Tuning

4 minute read Published: 2022-07-28

Default Linux kernel parameters target general-purpose workloads. Servers handling high traffic, many connections, or heavy I/O need tuning. This guide covers the sysctl parameters that matter and why.

Step-by-Step Shadowsocks Proxy Setup Guide

1 minute read Published: 2022-07-28

Building on our previous discussion of Trojan-gfw, this guide focuses on Shadowsocks-libev, an alternative proxy tool that encrypts traffic to evade ISP network censorship. However, users should be aware that Shadowsocks-libev may not be effective for bypassing Chinese network censorship and could result in the server's IP being blocked in mainland China.

Free Certificates with Certbot

2 minute read Published: 2022-07-18

ACME is the protocol for automated certificate management. Let's Encrypt speaks ACME. Certbot is the official ACME client from EFF. This guide covers Certbot with Cloudflare DNS validation.

Step-by-Step Trojan Proxy Setup Guide

1 minute read Published: 2022-07-18

In this tutorial, I'll walk you through setting up a Trojan proxy, an effective tool for bypassing network censorship. Trojan-gfw is adept at disguising internet traffic as HTTPS, making it challenging for Internet Service Providers (ISPs) to detect your activities.