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8 posts tagged with "Codex"

Articles about OpenAI's Codex coding agent

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OpenAI Built Codex a Windows Sandbox Out of SIDs and Firewall Rules: What It Teaches a Linux-First PaaS About Isolating Agent Code
·Dora Noda·11 min

OpenAI Built Codex a Windows Sandbox Out of SIDs and Firewall Rules: What It Teaches a Linux-First PaaS About Isolating Agent Code

OpenAI's May 2026 write-up shows how Codex sandboxes agent commands on Windows with synthetic SIDs, write-restricted tokens, dedicated sandbox users, and firewall rules — here is the two-tier design, the three isolation lessons a Linux-first PaaS should take from it, and an explicit verdict on whether it needs a Windows tier.

Codex
AI agents
security
self-hosting
OpenAI Buys Ona (Formerly Gitpod) for Its Cloud Sandboxes, Not Its Dev Environments
·Dora Noda·10 min

OpenAI Buys Ona (Formerly Gitpod) for Its Cloud Sandboxes, Not Its Dev Environments

OpenAI's acquisition of Ona (formerly Gitpod) confirms that agent sandboxes, not dev environments, are the durable product of the cloud-CDE era — and narrows the self-hostable path for agent compute. A concrete comparison of vendor-owned versus self-hosted execution.

openai
acquisitions
Codex
self-hosting
+1
Run Claude Code and Codex on a Remote VPS Without Going Broke: 2026 Provider Rankings After Hetzner's Price Hike
·Dora Noda·11 min

Run Claude Code and Codex on a Remote VPS Without Going Broke: 2026 Provider Rankings After Hetzner's Price Hike

Hetzner's June 2026 price hike killed the default self-hosted agent box. A priced VPS ranking for always-on Claude Code and Codex sessions across a 15x price spread, plus the idle-RAM breakeven math that decides when flat boxes beat metered sandboxes.

AI agents
self-hosting
cost-optimization
Claude
+1
Codex Deploys End-to-End Without Leaving Chat: What That Means for Your Deploy API's Trust Boundary
·Dora Noda·10 min

Codex Deploys End-to-End Without Leaving Chat: What That Means for Your Deploy API's Trust Boundary

OpenAI's Codex can now generate code, push to GitHub, create a Vercel project, attach a domain, and deploy — all inside one chat session. Here is the five-item trust-boundary checklist a deploy API must meet before an unattended agent should touch production.

Codex
AI agents
PaaS
security
Defang's `/deploy` Skill Reveals the Three-Layer Stack Agent-Native PaaS Needs
·Dora Noda·13 min

Defang's `/deploy` Skill Reveals the Three-Layer Stack Agent-Native PaaS Needs

Defang's deploy skill shows how agent runbooks, MCP actions, Docker Compose, and open Pulumi providers form an auditable agent-native PaaS stack.

AI agents
Model Context Protocol
Codex
PaaS
+1
Wasmer Built a Full Node.js Runtime in Two Weeks With Codex — What Edge.js Actually Buys a PaaS Over Docker
·Dora Noda·9 min

Wasmer Built a Full Node.js Runtime in Two Weeks With Codex — What Edge.js Actually Buys a PaaS Over Docker

Wasmer says Codex helped it build a full Node.js runtime in two weeks instead of a year. Here's what Edge.js's WASIX sandbox actually costs and buys a PaaS running MCP servers and agent-generated code, with real compatibility and cold-start numbers.

self-hosting
PaaS
security
AI
+1
Your CI Runner Already Trusts an AI Agent: What Claude Code and Codex CLI's Non-Interactive Mode Doesn't Guard Against
·Dora Noda·11 min

Your CI Runner Already Trusts an AI Agent: What Claude Code and Codex CLI's Non-Interactive Mode Doesn't Guard Against

Claude Code and Codex CLI both ship non-interactive modes built for unattended CI, but neither ships the scoped tokens, transcript redaction, or agent-independent rollback that make letting an agent push to prod safe rather than a demo.

self-hosting
PaaS
security
Claude
+1
OpenAI Codex: Examining its Application and Adoption Across Diverse Sectors
·Lark Birdy·8 min

OpenAI Codex: Examining its Application and Adoption Across Diverse Sectors

OpenAI Codex is transforming software development by translating natural language into code, enhancing productivity for developers, corporations, and educational institutions. This article examines its diverse applications, adoption trends, and the implications for the future of AI-assisted coding.

openai
Codex
AI
GitHub Copilot