https://hfiguera.github.io/smolbox/ Practical guides to running code from Elixir with SmolBox. en Sat, 03 Oct 2026 00:00:00 GMT Delete a machine without losing its project files. Follow a managed volume through a controller restart, a replacement machine, read-only access and explicit cleanup. https://hfiguera.github.io/smolbox/blog/replace-the-machine-keep-the-project/ https://hfiguera.github.io/smolbox/blog/replace-the-machine-keep-the-project/ Sat, 03 Oct 2026 00:00:00 GMT Choose what your next machine inherits. Compare disk artifacts, saved memory and live copies, with real Linux measurements and the cleanup each choice leaves behind. https://hfiguera.github.io/smolbox/blog/exports-checkpoints-or-branches/ https://hfiguera.github.io/smolbox/blog/exports-checkpoints-or-branches/ Sun, 27 Sep 2026 00:00:00 GMT Follow a terminal session through a lost connection. Learn when you can reconnect, what an exit proves, and why an uncertain command should not be replayed. https://hfiguera.github.io/smolbox/blog/your-browser-disconnected/ https://hfiguera.github.io/smolbox/blog/your-browser-disconnected/ Sat, 26 Sep 2026 00:00:00 GMT Start an HTTP service, break its startup command, and check what a running VM actually tells you. A practical SmolBox guide to application readiness. https://hfiguera.github.io/smolbox/blog/running-vm-ready-application/ https://hfiguera.github.io/smolbox/blog/running-vm-ready-application/ Fri, 25 Sep 2026 00:00:00 GMT Edit a page, run successive commands, and restart Phoenix without losing the project. A runnable workspace teaches machine, command, and browser lifetimes. https://hfiguera.github.io/smolbox/blog/build-a-persistent-workspace/ https://hfiguera.github.io/smolbox/blog/build-a-persistent-workspace/ Thu, 24 Sep 2026 00:00:00 GMT Restore prepared guest state for separate disposable executions. A station dataset shows what checkpoints preserve, what they cost, and when a prepared image is enough. https://hfiguera.github.io/smolbox/blog/prepare-once-run-in-a-fresh-vm/ https://hfiguera.github.io/smolbox/blog/prepare-once-run-in-a-fresh-vm/ Fri, 18 Sep 2026 00:00:00 GMT A reader asked about nested virtualization overhead. Six paired tests showed why startup, guest execution and cleanup need separate clocks. https://hfiguera.github.io/smolbox/blog/measuring-nested-kvm-overhead/ https://hfiguera.github.io/smolbox/blog/measuring-nested-kvm-overhead/ Wed, 16 Sep 2026 00:00:00 GMT Fetch a public dataset from a disposable Python VM, collect the report in Elixir, and keep its approved network policy with the execution. A working SmolBox 0.1.3 example. https://hfiguera.github.io/smolbox/blog/controlled-network-access-from-elixir/ https://hfiguera.github.io/smolbox/blog/controlled-network-access-from-elixir/ Mon, 14 Sep 2026 00:00:00 GMT A cleanup failure in our Elixir integration, a fix from smolvm's maintainer, and the tests that closed the loop. A small story of contributing to open source. https://hfiguera.github.io/smolbox/blog/from-a-full-disk-to-an-upstream-fix/ https://hfiguera.github.io/smolbox/blog/from-a-full-disk-to-an-upstream-fix/ Fri, 11 Sep 2026 00:00:00 GMT What disk exhaustion, worker OOM and a frozen VM taught us about resource limits, execution records and recovery in an Elixir application. https://hfiguera.github.io/smolbox/blog/testing-smolbox-with-nested-kvm/ https://hfiguera.github.io/smolbox/blog/testing-smolbox-with-nested-kvm/ Tue, 08 Sep 2026 00:00:00 GMT Why we chose smolvm and how SmolBox manages execution identity, outcomes, and cleanup from Elixir, with a runnable Python example. https://hfiguera.github.io/smolbox/blog/running-python-from-elixir-with-smolbox/ https://hfiguera.github.io/smolbox/blog/running-python-from-elixir-with-smolbox/ Mon, 07 Sep 2026 00:00:00 GMT