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Tag: DeepDive

  • Bash Scripting Basics: Parameter Expansion

    💡 Bash Scripting Basics: Parameter Expansion — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Bash Scripting Basics: Parameter Expansion. References and Guidelines (NOTE) Referenceurl: Bash shell Programming – Jinlib Example bash Copy #!/bin/bash # My First Script Program printf “I love UNIX !\n” pwd exit 0 Script component ! (Magic…

  • Docker Compose Port Conflict & Networking

    💡 Docker Compose Port Conflict & Networking — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Docker Compose Port Conflict & Networking. Overview If the following error occurs when running after installation txt Copy Traceback (most recent call last): File “/usr/bin/docker-compose”, line 6, in <module> from pkg_resources import load_entry_point File “/usr/lib/python3/dist-packages/pkg_resources/__init__.py”,…

  • Docker Mailserver Setup: Postfix, Dovecot

    💡 Docker Mailserver Setup: Postfix, Dovecot — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Docker Mailserver Setup: Postfix, Dovecot. Docker Generate cf bash Copy docker run –rm \ -e [email protected] \ -e MAIL_PASS=$pw \ -ti tvial/docker-mailserver:latest \ /bin/sh -c ‘echo “$MAIL_USER|$(doveadm pw -s SHA512-CRYPT -u $MAIL_USER -p $MAIL_PASS)”‘ \ >>…

  • HomeLab Infra : Hardware & Network Design

    💡 HomeLab Infra : Hardware & Network Design — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for HomeLab Infra : Hardware & Network Design. Private Net Bare-metal Resources Management (with Security) Firewall AP HCI Virtual Resources Management HCI Container Platform Automation IaC Application Management GitOps Public Net Public DNS Hosting Cloudflare

  • kagent AI Kubernetes Agent Archi & Autonomous

    💡 kagent AI Kubernetes Agent Archi & Autonomous — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for kagent AI Kubernetes Agent Archi & Autonomous. Installation Guide Prompt libraries Global prompt settings Create prompt bash Copy cat <<EOF | kubectl apply -f – apiVersion: v1 data: always-output: All text output is translated…

  • Software Engineering & Systems IT Glossary

    💡 Software Engineering & Systems IT Glossary — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Software Engineering & Systems IT Glossary. Time When referring to a specific point in time Compile Time: The point at which the compiler converts source code into machine language. Load Time: The point at which…

  • Nextcloud Private Cloud Storage & File Sync

    💡 Nextcloud Private Cloud Storage & File Sync — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Nextcloud Private Cloud Storage & File Sync. Personal Setting Initial settings Features Enable MFA Using Mobile TOTP App Need Apps

  • dnsmasq Lightweight DNS & DHCP Server Setup

    💡 dnsmasq Lightweight DNS & DHCP Server Setup — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for dnsmasq Lightweight DNS & DHCP Server Setup. Mac: Local DNS settings References and Guidelines (NOTE) If used like this, /etc/hosts may not be touched Setup bash Copy brew install dnsmasq Restart after setting local…

  • Red Hat Enterprise Linux (RHEL) ISO Download

    💡 Red Hat Enterprise Linux (RHEL) ISO Download — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Red Hat Enterprise Linux (RHEL) ISO Download. 🔗 https://developers.redhat.com/products/rhel/download ISO Select “Download RHEL at no-cost” Other version Select “Other RHEL version” qcow2 for Cloud Select “Virtual Guest image” Download when build is complete References…

  • Linux NFS Server Setup: exports Sharing

    💡 Linux NFS Server Setup: exports Sharing — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Linux NFS Server Setup: exports Sharing. Setting the permissions of a directory to ‘777’ (read, write, execute for all) is generally considered unsafe as it allows anyone to access, modify, and execute files within that…