Common DNS Records
A quick reference note on common DNS record types, TTL, and querying them with dig.
note/
short technical notes
2026
VPS, VM, and what's underneath
The difference between a VPS and a VM comes down to whose kernel you are running on.
What `2>/dev/null` Does
A short note on stderr redirection, file descriptors, and how 2>/dev/null silences errors.