Tag: infra

Containers share the kernel; VMs have their own. Understand the isolation trade-offs, overhead differences, and when to use which.

Ansible configures servers; Terraform provisions infrastructure, learn when to use each, how they overlap, and why you probably need both.

Ansible, Puppet, Salt, and Chef all do configuration management, but they're very different. Pick the right one before you commit.

Squeeze more out of Proxmox VE, CPU pinning, memory ballooning, IO threads, virtio drivers, and storage tuning for faster VMs.

LVM lets you resize volumes, add disks, and take snapshots without repartitioning, PVs, VGs, and LVs explained with real commands.

LXC/LXD runs full Linux environments in lightweight containers, faster to spin up than VMs and perfect for home lab service isolation.

Automate MySQL/MariaDB backups from a running Docker container using cron and mysqldump, no downtime, no excuses for losing your data.

Self-host Nextcloud with Docker Compose, persistent storage, and Caddy for HTTPS. The full compose file, the Caddyfile, and the parts that will bite you.

Upload an ISO to Proxmox three ways: web UI, wget onto the node, or SCP. Where ISOs live, why browser uploads stall, and how to fix storage with no ISO option.