Devops

4 posts
2026

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 …
screen linux ssh terminal devops
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kind: Local Kubernetes in Docker

kind creates a Kubernetes cluster from Docker containers: control-plane and worker nodes are kindest/node images. Primary use cases are …
kubernetes docker devops linux
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Trusting a custom CA: system store, browsers, and CLI

A TLS error that says the certificate is untrusted almost never means the certificate is “broken”. The trust anchor is in the wrong store. …
tls pki certificates devops security
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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 …
ssh devops python tui openssh
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