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OpenSandbox Documentation
15+ hour, 25+ min ago (539+ words) Isolation sessions run a long-lived bash inside a bubblewrap namespace, so one sandbox pod can host many mutually isolated task runs without spinning up a new container. Each session gets its own PID, mount, tmpfs, and env namespaces; startup is…...
Day 47: Copy Requirements Before the Code, and SQS Has No Priority Feature
1+ hour, 51+ min ago (641+ words) Neither of today's tasks has a setting for the thing it delivers. Docker has no switch that makes rebuilds fast, and SQS has no switch that makes a queue high priority. In both cases, the feature is the order you…...
Agentic Flow for a Simple SPA Anyone Can Build
4+ hour, 10+ min ago (947+ words) I've got three sites live that look nothing like each other, and I vibe-coded all of them. An agent wrote every line across 97 pull requests; I reviewed the screenshots and merged. Under the hood they're the same thing: a folder…...
ephemora-cell 1.0.4: a stateless MCP tool server, now on PyPI!!
4+ hour, 4+ min ago (392+ words) No initialize handshake. No session state. Restart or load-balance the server between calls — clients never notice. tools/list answers with CacheableResult fields (ttlMs: 3600000, cacheScope: "private") so hosts can cache the tool list, and unknown versions are rejected with -32022 naming the…...
Cómo solucionar `docker run` con exit code 1 en Raspberry Pi
7+ hour, 18+ min ago (155+ words) El código de salida 1 indica que el proceso principal del contenedor terminó con un error genérico. En Raspberry Pi, los casos más comunes son: 🔍 Nota crítica: En tu comando docker run --net = host -d -t myimage, hay un error de…...
Portainer Cuts the Cord Between Its Free and Paid Editions
3+ hour, 22+ min ago (512+ words) Portainer's Community Edition has been open source for a decade now, and that run has now hit a wall. Portainer 3.0, the upcoming ground-up rebuild of the platform around Kubernetes, will not be the base for CE. This was announced by…...
Cloud Backup Restore Drills: 12 Steps, 90 Min [2026]
13+ hour, 41+ min ago (1457+ words) You already back up your data. Maybe you followed a guide to build a 3-2-1 cloud backup plan or set up Velero for Kubernetes. This guide covers the step most teams skip: proving those backups restore cleanly, on time, and with…...
How To - Nginx reverse proxy on Ubuntu 26.04 without Docker
9+ hour, 14+ min ago (444+ words) The app is running. It listens on 127.0.0.1:8080, it has a systemd unit, and it works fine over an... Tagged with nginx, ubuntu, linux, tutorial....
Laboratório Kubernetes Multi-Nó no Home Lab: A Base para CKNE e Kubestronaut
10+ hour, 4+ min ago (206+ words) Subi meu laboratório de estudos para a jornada Kubernetes e não poderia estar mais animado com o que vem por aí. Na imagem, você vê a base de tudo: um cluster Kubernetes rodando em 3 VMs (1 Control Plane e 2 Workers) gerenciadas…...
CPU Scheduling for etcd: Why Proxmox cpu.units Matters
10+ hour, 16+ min ago (651+ words) etcd is the brain of Kubernetes. Every API call, every configmap update, every pod scheduling decision goes through etcd. When etcd is slow, everything is slow. When etcd times out, the API server becomes unreachable. On a single Proxmox host…...