#Infrastructure
446 posts
7 min read
Hardware Basics #1: Four Resources That Run a Computer — CPU, Memory, Storage, Network
Why a server is slow or expensive almost always narrows down to one of four resources: CPU, memory, storage, network. This is the mental model that runs through the whole series — what each resource is and how they cooperate within a single request.
2 min read
Linux hardware clock time sync
When operating a Linux system, you sometimes need to manually sync the clock because the hardware clock and the OS clock are out of sync. In that case, first check the sync state with the `timedatectl` command.