Month: September 2026

Introduction: What is LD_LIBRARY_PATH?

If you have spent any time compiling software from source or debugging binary execution issues on Linux, you have almost certainly encountered LD_LIBRARY_PATH. Put simply, LD_LIBRARY_PATH is an environmental variable used in Unix-like operating systems to instruct the dynamic linker/loader (ld.so) to look in additional directories for shared libraries (.so files) when executing a program.

When a compiled binary runs, Continue reading “Demystifying LD_LIBRARY_PATH: Power, Pitfalls, and Best Practices in Linux”

Running autonomous AI agents in production requires robust infrastructure, proper network isolation, automated TLS certificates, and secure access control. In this guide, we walk through deploying Hermes Agent inside Docker containers using Docker Compose, fronted by a Caddy reverse proxy for automated HTTPS management, and integrated with Keycloak for robust identity and access management.

Architecture Overview

Our stack consists of three primary services running on a shared Docker bridge network (multiwp): Continue reading “How to Run Hermes Agent in Docker Compose with Caddy Reverse Proxy & Keycloak Authentication”

The UNIX philosophy relies on small, sharp tools that do one thing well and connect together via standard input and output.

While standard pipes (|) pass text streams directly to commands, many essential utilities—like rm, mkdir, or cp—do not accept arguments from standard input.

This is where xargs steps in to bridge the gap, translating streams of data into arguments for another utility.

Whether you are cleaning up thousands of old log files, batch-downloading media, or running parallel jobs across multi-core processors, xargs is an indispensable workhorse in any systems administrator or developer toolbox.

Mastering its flags and subtleties transforms how you handle batch operations in the shell.

Continue reading “How to Use xargs for Powerful UNIX Pipelines”