While a friend was building an automatic brewing pipeline, our Create: Astral server crashed and wouldn’t start again. At first we thought it’d be easy to restore our world from a backup, only to f...
Paper reading for [CIDR 2022] Are You Sure You Want to Use MMAP in Your Database Management System? by Crotty et al.
An LVM volume group (VG) on our Proxmox VE cluster has failed to create new logical volumes, reporting that its metadata was full. At first this appears to be easy, “fine I’ll just add more space f...
The 24 game is a classic math game where players try to arrange 4 integers into 24 using basic arithmetics (addition, subtraction, multiplication and division). Thanks to its popularity, it’s now a...
LDAP, the #1 way to get your graduation delayed (as has always been the meme around Tsinghua University), is every SysAdmin’s dream tool for their servers. As mighty as its rumors fly, LDAP takes t...
Recently I bought a mini PC looking forward to setting up a home router. It started quite well except the specs were higher than I anticipated. 8 GB RAM plus 128 GB eMMC - too much waste for “just ...
