A new web tool allows users to create animated ASCII art for direct use on websites. The tool is available at ascii.rest and was shared on Hacker News. It generated discussion with 5 points but no comments at the time of reporting. This provides a simple method for developers to add retro-style animations without external plugins.
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A developer outlines three Model Context Protocol (MCP) servers they use daily within Claude Desktop. These servers allow Claude to interact directly with a local filesystem, GitHub repositories, and a PostgreSQL database. Each server can be installed via the official `mcp-hub` CLI and configured in a JSON file, with setup taking a few minutes. The author notes that the filesystem server requires careful path configuration due to its ability to read entire drives. All listed servers are verified packages available on npm.
An AWS developer outlines frequent IAM permission errors and lessons learned. Using overly broad permissions, such as allowing all actions on all resources, solves immediate access issues but creates significant security risks. The recommended approach is to grant only the specific permissions required for a task, like allowing s3:PutObject only on a designated bucket. Developers should also prefer IAM roles over embedded credentials for applications and systematically debug policies by checking both actions and resource ARNs.
ConfigServer Security & Firewall (CSF) is a popular security tool for Linux servers that functions as both a firewall and intrusion detection system. The article provides a detailed guide for installing and configuring CSF on a server, including downloading the software and editing its configuration file. It recommends specific security settings such as restricting network ports and enabling login failure detection. The guide emphasizes that administrators should customize these settings for their specific server environment and test changes before implementing them in production.
An open-source DNS sinkhole project for ESP32-C3 microcontrollers has gained attention for its efficient ad-blocking method. It converts domain names from large text blocklists into compact 40-bit hashes, requiring only five bytes of storage per domain. This process shrinks a typical 2.2 MB text file to approximately 550 KB, allowing it to run on hardware with limited memory. The project's repository trended on GitHub this week, receiving coverage from tech publications. The developer verified the technique's claimed efficiency, confirming zero hash collisions in a test of over 110,000 domains.
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