Creating templated Systemd services
Last time I wrote an article about NAT traversal using FRP, which has been my personal solution for exposing SSH access of machines behind NAT to the internet for a long time.
Using SSH deploy keys on CircleCI
A year ago back I wrote an article on automating build & deployment of GitHub Pages website with Travis CI. It’s a great CI service at first, but since Travis CI has completely moved away from ...
How I saved a lost commit from GitHub
Earlier today I force-pushed to my repository USTC-RV-Chisel for testing purposes, without noticing that my local ref origin/master is 1 commit behind the actual master on GitHub. My friend pushed ...
Wolfram Mathematica 13 Key Generator Online
As iBug no longer uses Mathematica himself, this keygen will not be updated or maintained anymore.
Build a minimal Linux system and run it in QEMU
Linux is the #1 open-source operating system nowadays, and many people are running a Linux distro, such as Ubuntu or Arch. Linux is also the most popular choice for a server OS.
Filter manually installed packages from APT with AWK
It’s again when I want to find out what packages I have manually installed (or by a script) from the output of apt list, with all output on one line.
Bootstrapping Make
Have C or C++ project to build? You may think, “Yeah this is very easy, I’ll just call the compiler to do so”, and yes, let’s take a look at an example.
Setting up Ubuntu in VMware Workstation
A quick step-by-step guide for those wanting to get in touch with Ubuntu in a virtual machine with minimal effort. For example, at the start of a semester of Operating System Concepts course.