01
NETWORKS
4 minA certificate is a lifecycle, not a file
Issuance, renewal, deployment, and the checks that keep HTTPS working.
LINUX / NETWORKS / OPERATIONS
999602 Field Notes
Practical observations on keeping small systems dependable.
Latest notes
03 articles02
OPERATIONS
3 minWhat a useful health check actually proves
A running process, an open port, and a successful request answer different questions.
03
LINUX
3 minBack up what makes a small server unique
A compact recovery plan built around configuration, state, and a tested restore.