Fredric News

Tag: Engineering

  • Homebrew Sheet: macOS & LinuxBrew Package

    💡 Homebrew Sheet: macOS & LinuxBrew Package — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Homebrew Sheet: macOS & LinuxBrew Package. setup bash Copy ## LinuxBrew /bin/bash -c “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)” (echo; echo ‘eval “$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)”‘) >> ~/.bashrc eval “$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)” source ~/.bashrc brew install hello main bash Copy #패키지…

  • 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

  • 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…

  • LVM2 Logical Volume Mgmt: PV, VG & LV

    💡 LVM2 Logical Volume Mgmt: PV, VG & LV — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for LVM2 Logical Volume Mgmt: PV, VG & LV. Installation bash Copy yum install lvm2 -y Task sequence bash Copy sudo -i #추가할 디스크 특정하기 fdisk -l pvcreate $disk pvs vgcreate $vgname $disk vgs…

  • 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…

  • Kubernetes TLS Certificates & kubeadm certs

    💡 Kubernetes TLS Certificates & kubeadm certs — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes TLS Certificates & kubeadm certs. Automated script – When renewing after expiration Attempt to bootstrap We will summarize the recovery sequence assuming the worst case scenario where bootstrapping is not set and both the…

  • Jenkins CI/CD Archi: Distributed Agent

    💡 Jenkins CI/CD Archi: Distributed Agent — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Jenkins CI/CD Archi: Distributed Agent. Operation Pipelines Credential Pipeline Sample Container Debugging groovy Copy // container내 breakPoint에서 아래 문구 추가 input message: “pod를 유지 중입니다. 디버깅 후 ‘Proceed’를 누르세요.” Scripting groovy Copy // 히스토리 제거 def…