A minimal, responsive and SEO-friendly Technology blog.https://rajendrasinh.com/https://rajendrasinh.com/posts/context-firewalls-keeping-your-ai-agents-in-the-smart-zone/https://rajendrasinh.com/posts/context-firewalls-keeping-your-ai-agents-in-the-smart-zone/Context rot pushes AI agents out of the smart zone. Learn how to use sub-agents as context firewalls, apply context-efficient backpressure, and practice intentional compaction to keep agents sharp. Second article in the Harness Engineering series.Sat, 18 Jul 2026 03:23:06 GMThttps://rajendrasinh.com/posts/moving-beyond-vibe-coding-the-era-of-ai-harness-engineering/https://rajendrasinh.com/posts/moving-beyond-vibe-coding-the-era-of-ai-harness-engineering/The model is smart; it's the environment around it that makes it reliable. Understand the shift from vibe coding to Harness Engineering, the anatomy of an agent harness, and best practices to build reliable autonomous AI systems. 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20:05:18 GMThttps://rajendrasinh.com/posts/poetry---updating-a-package-to-a-new-version/https://rajendrasinh.com/posts/poetry---updating-a-package-to-a-new-version/Update the Python module to the latest version with poetrySat, 21 Jun 2025 11:51:20 GMThttps://rajendrasinh.com/posts/fix-err_network_changed-error-on-your-system-when-docker-is-installed/https://rajendrasinh.com/posts/fix-err_network_changed-error-on-your-system-when-docker-is-installed/Fix the ERR_NETWORK_CHANGED error while docker is installed and you are getting the above error again and againSun, 01 Jun 2025 04:55:36 GMThttps://rajendrasinh.com/posts/setup-sonarqube-on-ubuntu/https://rajendrasinh.com/posts/setup-sonarqube-on-ubuntu/SonarQube setup on ubuntu EC2 with all required detailsTue, 18 Mar 2025 04:29:09 GMThttps://rajendrasinh.com/posts/corepack-failing-for-pnpm-install/https://rajendrasinh.com/posts/corepack-failing-for-pnpm-install/How to resolve the Corepack signature validation error when using pnpm install in Docker buildsMon, 03 Feb 2025 19:35:43 GMThttps://rajendrasinh.com/posts/docker-desktop-not-starting-in-ubuntu-2404-lts/https://rajendrasinh.com/posts/docker-desktop-not-starting-in-ubuntu-2404-lts/Docker desktop not starting on Ubuntu 24.04Fri, 01 Nov 2024 17:19:52 GMThttps://rajendrasinh.com/posts/useful-linux-commands/https://rajendrasinh.com/posts/useful-linux-commands/useful linux commands that can help easily achieve basic tasks and informationFri, 01 Nov 2024 11:29:24 GMThttps://rajendrasinh.com/posts/keyboard-mapping-in-linux-with-xmodmap/https://rajendrasinh.com/posts/keyboard-mapping-in-linux-with-xmodmap/Customise Keyboard key mapping in Linux if the keyboard layout has different buttons associated with different actions. this mainly happens with Alt, Ctrl and Super(Windows) keysFri, 01 Nov 2024 06:43:53 GMThttps://rajendrasinh.com/posts/omniparser-for-pure-vision-based-gui-agent/https://rajendrasinh.com/posts/omniparser-for-pure-vision-based-gui-agent/OmniParser is a 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GMThttps://rajendrasinh.com/posts/a-custom-decorator-for-retry-in-python/https://rajendrasinh.com/posts/a-custom-decorator-for-retry-in-python/Custom Decorator For A Retry Mechanism For Better Error Handling And Clean CodeFri, 17 May 2024 04:16:19 GMThttps://rajendrasinh.com/posts/context-managers-in-python/https://rajendrasinh.com/posts/context-managers-in-python/Context Manager in Python is very useful feature for clean codingThu, 09 May 2024 04:11:58 GMThttps://rajendrasinh.com/posts/dynamic-swap-memory-setup-in-ubuntu/https://rajendrasinh.com/posts/dynamic-swap-memory-setup-in-ubuntu/Optimize Memory Management with Dynamic Swap in ubuntuSat, 13 Apr 2024 19:44:47 GMThttps://rajendrasinh.com/posts/websocket-with-nginx/https://rajendrasinh.com/posts/websocket-with-nginx/Expose a websocket with the Nginx serverThu, 14 Mar 2024 18:20:59 GMThttps://rajendrasinh.com/posts/docker-fails-to-connect-to-npm-registry-or-pip/https://rajendrasinh.com/posts/docker-fails-to-connect-to-npm-registry-or-pip/Docker can't install npm packages or pip package or any other content from the internetThu, 22 Feb 2024 02:53:50 GMThttps://rajendrasinh.com/posts/python-version-management-with-pyenv/https://rajendrasinh.com/posts/python-version-management-with-pyenv/Manage Multiple Python versions using pyenv and virtual environmentsSat, 13 Jan 2024 18:49:50 GMThttps://rajendrasinh.com/posts/file-permissions-for-ssh-setup/https://rajendrasinh.com/posts/file-permissions-for-ssh-setup/Correct configuration of files and folder permission for correct ssh setup on systemSun, 31 Dec 2023 06:29:22 GMT