Posts
Kafka: Cluster Health Check
A Kafka cluster in KRaft mode doesn’t forgive neglect until the first incident. Health checks need to be regular and quick — no graphs or dashboards, just the …
GNU Screen: sessions that survive an SSH drop
A long apt upgrade, a migration, a build — then the laptop sleeps. SSH dies, the process gets SIGHUP and dies with it. GNU Screen keeps the terminal on the …
Cron setup: a practical walkthrough
Cron is the standard job scheduler in Linux, found in every infrastructure. Jobs pile up, logs accumulate, and the environment breaks things. Let’s walk through …
ssh-connection-manager: a TUI for hosts in ~/.ssh/config
When ~/.ssh/config holds dozens of stands, bastions, and jump hosts, memorizing aliases stops being fun. ssh-connection-manager is a TUI on top of ordinary …