# Command-line interface A command-line interface is a text-based interface for manipulating a computer, typically through a shell that controls command-line tools. This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles. ## PDFx - Extract references and metadata from PDF documents, and download all referenced PDFs DevFeed: [PDFx - Extract references and metadata from PDF documents, and download all referenced PDFs]() Original publisher: [Read original article]() Author: Chris Hager Published: 2026-09-17T02:48:44.791916Z Content type: tutorial Language: en Sources: [Chris Hager]() Topics: [pdf](), [Python](), [Command-line interface](), [JSON](), [pip](), [Open Source](), [GitHub]() Tags: [apache](), [broken-links](), [command-line](), [download](), [github](), [install](), [json](), [library](), [open-source](), [pdf](), [python]() ### AI overview PDFx is an Apache-licensed open-source tool that extracts references and metadata from PDF documents. It detects PDF, URL, arXiv, and DOI references, can download referenced PDFs in parallel, identify broken hyperlinks, extract PDF text, and output results as text or JSON. It is available as a command-line tool and Python package, with support for local and online PDFs. ### Source excerpt Reading over this paper and its references recently, I thought it would be great to be able to download all the references at once... This inspired me to write a little tool to do just that, and now it's done and released under the Apache open source license: https://github.com/metachris/pdfx Features Extract references and metadata from a given PDF Detects pdf, url, arxiv and doi references Fast, parallel download of all referenced PDFs Find broken hyperlinks (using the -c flag) (more) Output as text or JSON (using the -j flag) Extract the PDF text (using the --text flag) Use as command-line tool or Python package Compatible with Python 2 and 3 Works with local and online pdfs Getting Started Grab a copy of pdfx with easy_install or pip and run it: ## What to Expect at the Zephyr Project Workshop & Meetup (September 24, 2026) - Stuttgart, Germany DevFeed: [What to Expect at the Zephyr Project Workshop & Meetup (September 24, 2026) - Stuttgart, Germany]() Original publisher: [Read original article]() Author: Susan Remmert Published: 2026-09-16T17:57:36Z Content type: article Language: en Sources: [Zephyr Project]() Topics: [Embedded Systems](), [Open Source](), [Application Development](), [Testing](), [Simulation](), [Command-line interface]() Tags: [2026](), [blog](), [command-line](), [developers](), [embedded-systems](), [events](), [germany](), [meetup](), [open-source](), [technical](), [workshop](), [zephyr]() ### AI overview The Zephyr community will hold a hands-on workshop and afternoon meetup in Stuttgart, Germany, on September 24, 2026. The workshop will cover practical Zephyr development, while the meetup will feature community-led technical presentations and networking. ### Source excerpt On September 24, the Zephyr community will gather in Stuttgart for a hands-on workshop followed by an afternoon meetup featuring community-led technical presentations. The event is open to experienced contributors, first-time users, students, engineers, and anyone interested in open source embedded development. Attendees may join both sessions or choose either the workshop or the meetup based on their interests. ## Mem0 joins the Vercel Marketplace DevFeed: [Mem0 joins the Vercel Marketplace]() Original publisher: [Read original article]() Author: Tony Pan Published: 2026-09-16T17:00:00Z Content type: release Language: en Sources: [Vercel News]() Topics: [Vercel](), [Artificial Intelligence](), [App](), [context](), [API keys](), [Command-line interface](), [Environment Variables]() Tags: [ai](), [ai-agents](), [app](), [billing](), [cli](), [context](), [environment-variables](), [free](), [giving](), [install](), [integration](), [vercel](), [volume]() ### AI overview Mem0 is now a native integration on the Vercel Marketplace, providing long-term memory for AI agents and apps across sessions. The integration includes billing through Vercel, automatic provisioning of a scoped Mem0 project and API key, and environment-variable configuration. Mem0 offers a free plan with usage limits and a $20-per-month plan for higher volume. ### Source excerpt Mem0 is now available as a native integration on the Vercel Marketplace, giving your AI agents and apps long-term memory. Mem0 remembers user preferences, facts, and context across sessions, so your app stops starting from scratch. Install from the Marketplace with integrated billing on your Vercel invoice, no separate account or key management. A scoped Mem0 project and API key are provisioned automatically and added to your project as environment variables, including MEM0_API_KEY. Mem0 offers a free plan with usage limits and a $20 per month plan for higher volume. To see it end to end, deploy the eve Memory Agent template, an eve agent with long-term memory powered by Mem0. Get started with Mem0 on the Vercel Marketplace or through the Vercel CLI, available to customers on all plans. Read more ## Visual Studio Code 1.139 (Insiders) DevFeed: [Visual Studio Code 1.139 (Insiders)]() Original publisher: [Read original article]() Author: Visual Studio Code Team Published: 2026-09-16T13:22:12.332134Z Content type: release Language: en Sources: [Visual Studio Code - Code Editing. Redefined.]() Topics: [Visual Studio Code](), [releases](), [Release notes](), [GitHub Copilot CLI](), [Command-line interface](), [CSS]() Tags: [extension](), [github](), [github-copilot](), [release](), [release-notes](), [terminal](), [visual-studio-code](), [vs-code]() ### AI overview Visual Studio Code 1.139 (Insiders) release notes describe updates added between September 11 and September 15, 2026. Changes include Cargo completions in terminal suggestions, experimental Agent Merge support for creating and reviewing pull requests, CSS color previews, searchable Remote workspace menus, improved Copilot context routing, and other editor and API updates. ### Source excerpt Learn what is new in Visual Studio Code 1.139 (Insiders) Read the full article ## sem-ai 0.4.0: smaller responses, safer access, and pre-flight checks DevFeed: [sem-ai 0.4.0: smaller responses, safer access, and pre-flight checks]() Original publisher: [Read original article]() Author: Pete Miloravac Published: 2026-09-16T12:01:04Z Content type: release Language: en Sources: [Semaphore Engineering]() Topics: [AI-assisted coding](), [Claude Code](), [Command-line interface](), [Authorization](), [API](), [configuration]() Tags: [ai-coding-agents](), [api](), [audio](), [claude-code](), [command-line](), [configuration](), [permissions](), [pipelines](), [product-news](), [release](), [video]() ### AI overview Semaphore's sem-ai 0.4.0 release adds more compact workflow and pipeline responses, context switching across organizations and credentials, and support for managing pre-flight checks. The update is aimed at reducing context usage and enabling more targeted permissions for AI coding agents. ### Source excerpt AI coding agents work best when they receive the right information without unnecessary noise. They also need clearly defined permissions and reliable safeguards for the changes they make. sem-ai 0.4.0 improves all three areas. The release introduces more compact pipeline responses, flexible context switching, and support for Semaphore pre-flight checks. Watch Nick demonstrate the new [...] The post sem-ai 0.4.0: smaller responses, safer access, and pre-flight checks appeared first on Semaphore. ## New in Symfony 8.2: Console sub-commands DevFeed: [New in Symfony 8.2: Console sub-commands]() Original publisher: [Read original article]() Author: Javier Eguiluz Published: 2026-09-16T07:33:00Z Content type: release Language: en Sources: [Symfony Blog]() Topics: [Symfony](), [Command-line interface](), [Code]() Tags: [commands](), [compose](), [console](), [docker-compose](), [git](), [symfony]() ### AI overview Symfony 8.2 adds spaced console sub-commands, allowing command names to form a tree whose levels parse their own options. The update also supports tree-aware help, completion, argument handling, command-chain access, testing, and defining command trees in a single class. ### Source excerpt Symfony console applications group their commands with colon-separated namespaces, such as cache:clear or messenger:consume. Tools like Docker and Git use a different style: spaces separate the levels (docker compose up) and each level parses its own options.... ## CodeSOD: Extremely One Line DevFeed: [CodeSOD: Extremely One Line]() Original publisher: [Read original article]() Author: Remy Porter Published: 2026-09-16T06:30:00Z Content type: opinion Language: en Sources: [The Daily WTF]() Topics: [ASP.NET](), [Code](), [Visual Studio](), [Command-line interface](), [browser](), [HTTP]() Tags: [asp-net](), [browser](), [cli](), [code](), [codesod](), [http](), [studio]() ### AI overview This CodeSOD commentary examines an ancient ASP .Net application containing a function written on one line, Safari user-agent detection, and a mysterious "uplevel" value. It criticizes the confusing style and notes that the same pattern appears on multiple pages. ### Source excerpt Autoformatting your code is a standard thing to do these days. And in those days past, if we're being honest. There's no excuse to not use some kind of autoformatter. Whether you configure your editor to do it or are a weirdo like me who runs a formatter from the CLI as a build step, you've got an easy way to format your code so it looks neat and readable. And some IDEs, like Visual Studio, are pretty insistent about doing this for you. Which makes today's code sample a bit more perplexing. This comes from an ancient ASP .Net application that Austin has the misfortune to work with: protected void Page_PreInit(object sender, EventArgs e){if (Request.ServerVariables["http_user_agent"].IndexOf("Safari", StringComparison.CurrentCultureIgnoreCase) != -1)Page.ClientTarget = "uplevel";} protected void Page_Load(object sender, EventArgs e) { Logic(); } Which function is Logic() called from? The fact that I'm asking probably is enough to get you to scroll over. The entire Page_PreInit function is on a single line, followed by the declaration of the Page_Load function. A confusing and annoying choice. The real bonus is that if the browser has "Safari" in its user agent, we set a field to a mysterious "uplevel" value. A mix of user agent sniffing, strings as enums/flags, and wonderfully unclear names. And yes, this particular pattern appears in more than one page in Austin's application. Someone thought this was not just a good idea, but good enough to do over and over again. [Advertisement] Picking up NuGet is easy. Getting good at it takes time. Download our guide to learn the best practice of NuGet for the Enterprise. ## DuckDB Skills for Claude Code DevFeed: [DuckDB Skills for Claude Code]() Original publisher: [Read original article]() Author: The DuckDB team Published: 2026-09-16T00:00:00Z Content type: tutorial Language: en Sources: [DuckDB]() Topics: [DuckDB](), [Claude Code](), [Command-line interface](), [data](), [CSV](), [parquet]() Tags: [claude-code](), [cli](), [csv](), [data](), [duckdb](), [parquet](), [using-duckdb]() ### AI overview This post introduces the duckdb-skills plugin for Claude Code. The plugin uses the DuckDB CLI to inspect data files, run SQL queries, convert formats, explore object storage and spatial data, search documentation, and recall earlier sessions. It explains installation, how the skills select appropriate commands, and how Claude uses DuckDB for exact query results. ### Source excerpt The duckdb-skills plugin gives Claude Code a growing number of skills that use the DuckDB CLI to read data files, run queries, convert formats, explore object storage, work with spatial data, search the documentation and recall earlier sessions. ## Red Hat Developer Hub: Preventing compliance violations with AI coding agents DevFeed: [Red Hat Developer Hub: Preventing compliance violations with AI coding agents]() Original publisher: [Read original article]() Author: Evan Shortiss, Ben Wilcock Published: 2026-09-15T13:17:13Z Content type: tutorial Language: en Sources: [Red Hat](), [Red Hat Developer]() Topics: [internal developer portal](), [AI-assisted coding](), [Backstage](), [Claude Code](), [Command-line interface](), [Model Context Protocol](), [Security]() Tags: [ai-coding-agents](), [ai-inference](), [backstage](), [catalog](), [claude-code](), [cli](), [developer](), [developer-productivity](), [developer-tools](), [mcp](), [platform-engineering](), [security]() ### AI overview This tutorial demonstrates how an AI coding agent connected to Red Hat Developer Hub can query a Backstage software catalog, TechDocs, and software templates before making architectural decisions. Using a simulated insurance-company catalog, the demo shows how this context can help avoid PCI-DSS compliance violations, resolve governance conflicts, and create a traceable decision record. ### Source excerpt AI coding agents can generate entire services, reason about architectures, and scaffold applications in minutes. But ask one to build a service for your organization and you'll quickly notice the gap: it doesn't know your rules. It doesn't know which messaging broker your compliance team mandates, which services already exist in adjacent domains, or which project template is the golden path for your team. The post Red Hat Developer Hub: Preventing compliance violations with AI coding agents appeared first on Red Hat Developer. ## How to Orchestrate Multi-Call Conversations with an LLM and Twilio Conversation Memory DevFeed: [How to Orchestrate Multi-Call Conversations with an LLM and Twilio Conversation Memory]() Original publisher: [Read original article]() Author: Amanda Lange Published: 2026-09-15T00:00:00Z Content type: tutorial Language: en Sources: [Twilio Blog]() Topics: [Large Language Model](), [.NET](), [ASP.NET](), [C#](), [Artificial Intelligence](), [Command-line interface](), [OpenAI](), [Environment Variables]() Tags: [account](), [agent](), [ai](), [api](), [c-sharp](), [cli](), [code](), [conversation-memory](), [developer-insights](), [environment-variables](), [how-to](), [llm](), [net](), [net-9](), [openai]() ### AI overview This tutorial shows how to build a C# .NET 9 ASP.NET Core service that preserves caller context, preferences, and action history across separate inbound calls using Twilio Conversation Memory and an LLM. ### Source excerpt How to Orchestrate Multi-Call Conversations with an LLM and Twilio Conversation Memory ## How to Catch Security Vulnerabilities in Code Before They Reach Your Pull Requests DevFeed: [How to Catch Security Vulnerabilities in Code Before They Reach Your Pull Requests]() Original publisher: [Read original article]() Author: Umair Mirza Published: 2026-09-14T22:23:01Z Content type: tutorial Language: en Sources: [freeCodeCamp Programming Tutorials: Python, JavaScript, Git & More]() Topics: [Application Security](), [Security](), [Vulnerabilities](), [Secret Scanning](), [Git](), [pull-requests](), [ci](), [Command-line interface](), [.NET](), [Python](), [coding]() Tags: [application-security](), [ci](), [cli](), [code](), [devsecops](), [git](), [net](), [pull-requests](), [python](), [sast](), [secret-scanning](), [security](), [security-vulnerabilities](), [software-development](), [testing](), [vulnerabilities]() ### AI overview This tutorial explains how to shift security checks earlier in development by running SAST locally with Git pre-commit hooks. It demonstrates using the DevSkim CLI to detect insecure coding patterns, pairing it with Gitleaks for dedicated secret scanning, validating the setup with an intentional failure, and enforcing the checks in CI. ### Source excerpt Security reviews are most effective when developers receive feedback while the code is still fresh in their minds. Waiting until a pull request, CI build, or penetration test to find exposed credentia ## AI's best coding agent fails 60% of the time -- and the data backs it up DevFeed: [AI's best coding agent fails 60% of the time -- and the data backs it up]() Original publisher: [Read original article]() Author: Amanda Caswell Published: 2026-09-14T22:22:27Z Content type: news Language: en Sources: [The New Stack]() Topics: [Benchmark](), [AI-assisted coding](), [Fable](), [Claude Code](), [codex](), [Command-line interface](), [anthropic]() Tags: [ai](), [ai-engineering](), [ai-models](), [benchmark](), [benchmarks](), [claude-code](), [cli](), [codex](), [coding](), [fable](), [performance](), [software-testing]() ### AI overview Real-SWE evaluates coding agents on private company codebases and reports substantially lower success rates than public-repository benchmarks. Claude Fable 5.1, running through Claude Code, led the comparison with a 38.8% score, while the tested systems often failed most attempts. ### Source excerpt Claude Fable 5.1 just won a new coding benchmark despite failing more than six out of 10 times. Its 38.8% The post AI's best coding agent fails 60% of the time -- and the data backs it up appeared first on The New Stack. ## SwiftUI Agent Skill: Install and use with AI coding tools DevFeed: [SwiftUI Agent Skill: Install and use with AI coding tools]() Original publisher: [Read original article]() Author: Antoine van der Lee Published: 2026-09-14T11:49:33Z Content type: article Language: en Sources: [SwiftLee]() Topics: [SwiftUI](), [Agent Skill](), [ai-coding](), [Code quality](), [context window](), [Command-line interface]() Tags: [agent-skill](), [ai-coding](), [ai-development](), [cli](), [code-quality](), [context-window](), [installation](), [open-source](), [swiftui]() ### AI overview This article introduces an open-source SwiftUI Agent Skill for AI coding tools. The skill helps agents build or refactor SwiftUI views, improve generated code quality, and load focused references only when they are relevant to a task. It also explains installation, updates, and compatibility considerations for the skills command-line tool. ### Source excerpt A SwiftUI Agent Skill that helps you build better views or refactor existing ones. It's the reality we're in today, and I honestly can't live without it anymore myself. Several skills helped me improve the code quality produced by agents, and I'm happy to introduce you to my open-source skill for SwiftUI. Before reading this ... -> The post SwiftUI Agent Skill: Install and use with AI coding tools appeared first on SwiftLee. ## Symfony AI Spotlight: Mate, an Agent's Way into Your Runtime DevFeed: [Symfony AI Spotlight: Mate, an Agent's Way into Your Runtime]() Original publisher: [Read original article]() Author: Wachter Johannes Published: 2026-09-14T07:47:00Z Content type: article Language: en Sources: [Symfony Blog]() Topics: [Symfony](), [Artificial Intelligence](), [Command-line interface](), [MCP]() Tags: [agent](), [ai](), [cli](), [mcp](), [symfony]() ### AI overview Mate gives coding agents direct access to runtime information from Symfony applications, including profiler records, logs, and the dependency-injection container. In Symfony AI 0.13, it is a CLI with a discovery layer rather than a separately running MCP server, and it reads artifacts already written to disk instead of reconstructing behavior from source code. ### Source excerpt An agent working on a Symfony project can read every line of your source code and still not know what actually happened on the last request: which query was slow, or what the profiler already recorded five minutes ago, before anyone thought to ask. Source... ## Appwrite 2.1 is now available for self-hosting DevFeed: [Appwrite 2.1 is now available for self-hosting]() Original publisher: [Read original article]() Author: Atharva Deosthale Published: 2026-09-14T00:00:00Z Content type: article Language: en Sources: [Appwrite Blog]() Topics: [Appwrite](), [Amazon S3](), [hosting](), [API](), [API keys](), [Command-line interface](), [SDKs](), [Compression](), [Encryption]() Tags: [api](), [api-documentation](), [aws](), [cli](), [compression](), [encryption](), [hosting](), [products](), [s3](), [self-hosting](), [sign-in]() ### AI overview Appwrite 2.1 is available for self-hosted deployments. It adds the S3-compatible Storage API and AutoGravity image previews, along with TikTok and Kakao sign-in and Appwrite Console fixes. The release uses the existing upgrade command and migration process from Appwrite 2.0. ### Source excerpt Appwrite 2.1 brings the S3 API and AutoGravity to self-hosted instances, adds TikTok and Kakao sign-in, and fixes for Appwrite Console. ## How to add WorkOS AuthKit to a Ruby on Rails app DevFeed: [How to add WorkOS AuthKit to a Ruby on Rails app]() Original publisher: [Read original article]() Author: WorkOS Published: 2026-09-14T00:00:00Z Content type: tutorial Language: en Sources: [WorkOS Blog]() Topics: [Rails](), [Authentication](), [Ruby](), [Command-line interface](), [Authorization](), [password reset]() Tags: [authentication](), [building](), [cli](), [how-to](), [password-reset](), [production](), [ruby](), [sign-in]() ### AI overview A tutorial on adding WorkOS AuthKit to a Ruby on Rails application. It explains how the CLI sets up the integration, how the sealed-cookie session layer is refreshed in a Rails before_action, and how Redirect URI, Initiate login URL, and Sign-out URI settings affect authentication flows and production logout. ### Source excerpt The CLI gets you signed in. This is the session layer underneath it: what the sealed cookie holds, how to refresh it inside a before_action, and the three dashboard settings that break logout in production. ## \[Crypto\] Time-based one-time password (TOTP) for 2FA, part II: YubiKey DevFeed: [\[Crypto\] Time-based one-time password (TOTP) for 2FA, part II: YubiKey]() Original publisher: [Read original article]() Published: 2026-09-13T22:00:00Z Content type: article Language: en Sources: [Dennis Yurichev]() Topics: [passwords](), [Command-line interface](), [Code](), [Linux](), [Android](), [USB]() Tags: [android](), [code](), [command-line](), [linux](), [password](), [secrets](), [usb]() ### AI overview The article examines using a YubiKey to store TOTP secrets for two-factor authentication. It explains that HMAC keys are intended to remain inside the device, but describes a Linux ykman weakness that could allow an attacker with temporary physical access to generate future TOTP keys and potentially log in during the relevant 30-second interval if the account password is also known. ### Source excerpt [Crypto] Time-based one-time password (TOTP) for 2FA, part II: YubiKey ## Python Practice Problems: Parsing CSV Files DevFeed: [Python Practice Problems: Parsing CSV Files]() Original publisher: [Read original article]() Author: Jim Anderson Published: 2026-09-13T14:00:00Z Content type: tutorial Language: en Sources: [Real Python]() Topics: [CSV](), [Python](), [Test-driven development](), [Command-line interface](), [pass]() Tags: [code](), [coding](), [command-line](), [data](), [python](), [testing](), [tutorial](), [tutorials](), [writing-code]() ### AI overview An intermediate-level tutorial that helps Python developers practice parsing CSV files through interview-style problems. It covers writing solutions, test-driven development with pytest, solution improvements, and the trade-offs between Python's built-in csv module and pandas. ### Source excerpt In this tutorial, you'll prepare for future interviews by working through a set of Python practice problems that involve CSV files. You'll work through the problems yourself and then compare your results with solutions developed by the Real Python team. ## Linux server performance: Is disk I/O slowing your application? DevFeed: [Linux server performance: Is disk I/O slowing your application?]() Original publisher: [Read original article]() Author: Hayden James Published: 2026-09-12T16:11:54Z Content type: tutorial Language: en Sources: [Hayden James]() Topics: [Linux](), [IO](), [Server](), [Command-line interface](), [Processes](), [NVMe]() Tags: [blog](), [command-line](), [cpu](), [linux](), [load](), [mysql](), [nvme](), [performance](), [processes](), [request](), [server](), [ssd](), [storage](), [sysadmins](), [terminal]() ### AI overview This tutorial explains how disk I/O bottlenecks can cause high Linux load averages even when CPU usage is low. It shows how to use top, atop, and iotop on a LEMP web server, including per-core I/O wait measurements, to identify storage-related application slowdowns. ### Source excerpt If your Linux server is bogged down by disk I/O, your first step may often be to use the top command in the terminal to check load averages. Continue reading... ## Open-Source Project Brings Full iOS 27 Virtualization to Apple Silicon DevFeed: [Open-Source Project Brings Full iOS 27 Virtualization to Apple Silicon]() Original publisher: [Read original article]() Author: Sergio De Simone Published: 2026-09-12T16:00:00Z Content type: news Language: en Sources: [InfoQ]() Topics: [iOS](), [Tooling](), [Command-line interface](), [debugging](), [App]() Tags: [apple](), [cli](), [debugging](), [development](), [ios](), [ios-27-virtualization](), [iphone](), [kernel](), [macos](), [mobile](), [mobile-testing](), [news](), [open-source](), [research](), [reverse-engineering](), [security](), [ssh](), [testing](), [virtualization](), [xcode]() ### AI overview vphone-cli runs a full iOS 27 system as a virtual machine on Apple Silicon using Apple's Virtualization.framework. The article contrasts it with the Xcode iPhone Simulator and highlights uses in security research, reverse engineering, debugging, and automated testing. ### Source excerpt The open-Source project vphone-cli enables a full iOS 27 system to run as a virtual machine on Apple Silicon. Built on Apple's own Virtualization.framework rather than traditional emulation, the project opens up new possibilities for security research, reverse engineering, and automated iOS testing. By Sergio De Simone ## Better context, smarter testing: How to give your AI coding agent direct access to k6 docs DevFeed: [Better context, smarter testing: How to give your AI coding agent direct access to k6 docs]() Original publisher: [Read original article]() Author: İnanç Gümüş Published: 2026-09-12T11:22:06.456390Z Content type: article Language: en Sources: [Grafana Labs blog on Grafana Labs]() Topics: [k6](), [Agent Skill](), [AI Agent](), [Command-line interface](), [coding]() Tags: [agent-skill](), [ai](), [ai-agent](), [ai-coding](), [analytics](), [cli](), [grafana](), [k6](), [logs](), [metrics](), [monitoring](), [observability](), [performance-testing](), [testing](), [traces]() ### AI overview The article introduces k6 x docs, an official k6 2.0 command that provides k6 documentation directly in the terminal. It supports API references, guides, best practices, and examples; works offline after the first lookup; matches documentation to the installed k6 version; and includes an agent skill for AI coding assistants. ### Source excerpt As testing workflows become more AI-assisted, fast access to accurate documentation matters more than ever. Whether you're writing a new load test, troubleshooting an issue, or having an AI agent generate a script for you, you need reliable guidance that keeps pace with the way you work. But most documentation still lives in a browser. Every time you or your agent needs to verify an API or look up a best practice, you're forced to leave your terminal or editor and interrupt your workflow. That's why, in k6 2.0, we introduced k6 x docs, an official k6 command that puts the entire k6 documentation library, including API references, guides, best practices, and examples, directly in your terminal. It works offline after first use, matches the docs to your exact k6 version, and includes a built-in agent skill, so AI coding assistants can look up k6 docs faster and most cost-effectively. The problem: documentation lives in the wrong place Most developers know the feeling. You're writing a k6 script, you need to check the signature for http.post or remember how thresholds work, and suddenly you're in a browser tab, searching, scrolling, clicking through navigation, and losing the context you had in your editor. For AI agents, the problem is worse. When they need to reference k6 APIs, best practices, or examples, they either rely on stale training data, hallucinate a function signature, or burn expensive tokens on a web search that may not return the right version of the docs. k6 x docs solves both problems by making documentation a first-class part of the k6 CLI. It gives agents CLI access to k6 docs that automatically detect the k6 version in use and deliver accurate content without leaving the session or performing web searches. How k6 x docs works The use is simple: type k6 x docs, optionally followed by the topic you want to look up. k6 x docs # See all available topics k6 x docs http # Learn about the k6/http module k6 x docs http get # Look up a specific function k6 ## Coding Challenge #136 - Hyperfine DevFeed: [Coding Challenge #136 - Hyperfine]() Original publisher: [Read original article]() Author: John Crickett Published: 2026-09-12T08:03:11Z Content type: tutorial Language: en Sources: [Coding Challenges]() Topics: [benchmarking](), [coding](), [Command-line interface](), [Processes]() Tags: [benchmarking](), [coding](), [command-line](), [performance](), [process](), [programming]() ### AI overview A coding challenge asks readers to build a command-line benchmarking tool modeled on hyperfine. The tool should run commands repeatedly, measure execution time and variation, compare commands, export results, and warn about unreliable measurements. ### Source excerpt This challenge is to build your own benchmarking tool. ## 8 Reasons Your Raspberry Pi Wi-Fi is Slow (and How to Fix it) DevFeed: [8 Reasons Your Raspberry Pi Wi-Fi is Slow (and How to Fix it)]() Original publisher: [Read original article]() Author: Thomas Dyan Published: 2026-09-12T05:00:00Z Content type: tutorial Language: en Sources: [RaspberryTips]() Topics: [Network](), [Network Configuration](), [Linux](), [Command-line interface](), [ssh](), [Terminal](), [Operating system]() Tags: [command-line](), [how-to](), [how-to-tutorials](), [linux](), [network](), [network-configuration](), [raspberry-pi](), [raspberry-pi-os](), [ssh](), [time]() ### AI overview A practical guide to diagnosing and fixing slow Raspberry Pi Wi-Fi. It focuses on common causes such as Wi-Fi power-saving settings, weak signal, incorrect country code, older hardware, and network configuration issues, with initial troubleshooting steps and command-line guidance. ### Source excerpt Whenever my Raspberry Pi is slow over Wi-Fi, I've learned that the problem is usually not the Wi-Fi network itself. Most of the time, it comes down to the Pi's setup. And when you look into it, it's often one of the same few causes. If you're having the same issue, here are the first... ## Seven years of bitwise: a weekend project, a Hackernews front page, and the long road into Debian DevFeed: [Seven years of bitwise: a weekend project, a Hackernews front page, and the long road into Debian]() Original publisher: [Read original article]() Author: Ramon Published: 2026-09-11T15:21:24Z Content type: opinion Language: en Sources: [Ramon Fried]() Topics: [Software](), [Command-line interface](), [Debian]() Tags: [c](), [command-line](), [debian](), [hacker-news](), [linux](), [ncurses](), [open-source](), [packaging](), [software](), [vim]() ### AI overview A developer reflects on seven years of maintaining bitwise, a terminal calculator, from its initial release through feature development, Hacker News attention, and packaging in Debian and other distributions. ### Source excerpt I started bitwise because I was tired of opening the KDE calculator. Seven years, one Hacker News front page and sixteen distributions later, here's what I learned -- mostly about how hard it is to get software to people. [Next page]()