Reinstall Windows VPS into Linux with iPXE network boot

This November I found a discount from one of my favorite VPS providers, NETfront. They offered Linux VPS with 2 vCPUs and 2 GB RAM at HK$56/mo, and also Windows VPS with 4 vCPUs and 4 GB RAM at HK$...

3 minute read

Secure site-to-site connection with Linux IPsec VPN

Linux has a built-in framework for Internet Protocol Security (IPsec), which is often combined with other tunneling technologies (e.g. L2TP and GRE) to create secure cross-site network connections....

15 minute read

Disassembling a hardware RAID 1 array in Proxmox VE

Yesterday in a server maintenance period, we decided to tune the storage layout of our Proxmox VE server, which included disassembling a RAID 1 array and adjusting the size of the root filesystem.

7 minute read

I switched from Google Chrome to Microsoft Edge

Last year (maybe September? I don’t remember now) I switched my primary browser from Google Chrome to the new Microsoft Edge. It turned out to be a wise move and I’ve been with Edge for more than h...

4 minute read

Setting up a GitHub webhook on AWS Lambda

Last month I set up my own Telegram bot for GitHub event notification. To receive GitHub events via webhook, a receiver is needed. True, it isn’t hard to write a Flask or Sinatra server and throw t...

6 minute read

A Deep Dive into Containers

Since years ago, containers have been a hot topic everywhere. There are many container softwares like Docker, Linux Containers and Singularity. It’s hard to say one understand what containers are w...

24 minute read

Keep using Flash Player in browsers in 2021

It’s 2021 now, and Adobe Flash Player has been end-of-life after December 31, 2020. There are many cases where you want to retain it, however. For example, you may want to keep enjoying an old game...

2 minute read