linux-server-sshlisted
Install: claude install-skill ariana-dot-dev/cloud-sandbox-vm-skills
# Linux server over SSH (Box)
Use this when the task needs an actual **Linux server** the user can `ssh`/`scp` into: hosting a service, running a daemon, or a remote workstation.
## Why Box
- **First-class SSH** — `box ssh <id>` opens a session; the CLI handles keys. SCP works too.
- **Dedicated IPv4 + full TCP/UDP** — a real addressable host, not a loopback-only sandbox.
- **Root Ubuntu** — `apt install` anything; Docker preinstalled.
- **Cheap & persistent** — per-second billing, resumes from snapshot, ~10× cheaper than E2B/Modal at steady state.
## Prereqs
`curl -fsSL https://box.ascii.dev/install | sh`, then `box login "$BOX_API_KEY" --json`.
## Recipe
```bash
box_id="$(box new --json | jq -r 'select(.event == "ready") | .id')"
box ssh "$box_id" # interactive shell
box ssh "$box_id" -- "sudo apt-get install -y nginx && sudo systemctl enable --now nginx"
box info "$box_id" --json # shows the IP
```
## Honest limits
EU-only region; 100 active VMs soft cap; disk-level snapshots (running processes don't survive stop/resume). For 1000+ concurrent servers or <500 ms boot, use Daytona/E2B/Modal.