Photo and Illustration Credits

This page records the sources and usage conditions of photographs and illustrations in the English articles. Reference photographs provide context; they do not document the equipment or measured environment used in a lab.

Photographs are reused from files already stored on this site. Download dates below are the dates recorded with those files, not the date of this English translation. Photographs resized or cropped for listings retain the stated source license.

Reference photographs

Troubleshooting CoreDNS Resolution Failures in Kubernetes
Photo: ShakataGaNai · Original photograph · CC BY-SA 3.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

How to Open a Port with firewalld on Rocky Linux 9
Photo: Derrick Coetzee from Berkeley, CA, USA · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

How to Estimate GPU VRAM for Local LLM Inference
Photo: 4300streetcar · Original photograph · CC BY 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

Fix docker ps Permission Denied on Linux: Docker Group and Daemon Checks
Photo: Derrick Coetzee · Original photograph · CC0 1.0
Recorded download: 2026-10-22. Usage and license checked for the English edition on 2026-10-23.

Ollama Not Using Your NVIDIA GPU on Linux: What to Check
Photo: FreeMediaKid! · Original photograph · CC BY-SA 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Kubernetes Lab 10] Restore etcd and Application Files; Apply Patch Upgrades
Photo: Santeri Viinamäki · Original photograph · CC BY-SA 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Kubernetes Lab 09] Diagnose Pod Failures and Drain a Node
Photo: Fukumoto · Original photograph · CC BY-SA 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Kubernetes Lab 08] RBAC, NetworkPolicy and Pod Permissions
Photo: Xbspiro · Original photograph · CC BY-SA 3.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Kubernetes Lab 07] Keep Files with a Local PV and PVC
Photo: Vladsinger · Original photograph · CC BY-SA 3.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Kubernetes Lab 06] Service DNS and Access from Windows
Photo: Simon A. Eugster · Original photograph · CC BY-SA 3.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Kubernetes Lab 05] Deploy an Application and Perform a Rolling Update
Photo: Christopher Bowns · Original photograph · CC BY-SA 2.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Kubernetes Lab 04] Build the Cluster and Connect Calico
Photo: ShakataGaNai · Original photograph · CC BY-SA 3.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Kubernetes Lab 03] Install containerd 2.x and kubeadm
Photo: 123net · Original photograph · CC BY-SA 3.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Kubernetes Lab 02] Rocky Linux IP, Time and Kernel Settings
Photo: Myotus · Original photograph · CC BY 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Kubernetes Lab 01] Prepare Windows 11, VMware and Rocky Linux
Photo: www.Pixel.la Free Stock Photos · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

NVIDIA GPU Comparison: Workstation and Server Specs, vGPU, MIG and Prices
Photo: Fukumoto · Original photograph · CC BY-SA 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 30] Back Up and Restore a Document Q&A Tool
Photo: Andy Melton · Original photograph · CC BY-SA 2.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 29] Review API, Log and Tool Permissions
Photo: Dsimic · Original photograph · CC BY-SA 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 28] Understand LoRA, QLoRA and a Small Training Script
Photo: Fukumoto · Original photograph · CC BY-SA 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 27] Compare GGUF and CPU/GPU Options in llama.cpp
Photo: Solijon Solayev · Original photograph · CC BY-SA 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 26] Measure Loading, First Response and Generation Speed
Photo: 4300streetcar · Original photograph · CC BY 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 25] Decide Which Requests Stay Local or Use the Cloud
Photo: Lauren Mancke · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 24] Use OpenRouter and Check Cost and Data Routing
Photo: Unnerving duck · Original photograph · CC BY-SA 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 23] Check OpenClaw's Ollama Endpoint and Tool Calls
Photo: Raysonho @ Open Grid Scheduler / Grid Engine · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 22] Install OpenClaw and Check Its Gateway
Photo: www.Pixel.la Free Stock Photos · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 21] Build an Agent Loop with an Inventory Lookup Tool
Photo: Luke Chesser lukechesser · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 20] Connect Hermes Agent and Review Tools and Memory
Photo: JESHOOTS.COM jeshoots · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 19] Understand Hermes Models and Chat Templates
Photo: Alejandro Escamilla alejandroescamilla · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 18] Build an Evaluation Sheet for Models and RAG
Photo: JESHOOTS.COM jeshoots · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 17] Build RAG Answers from Retrieved Documents
Photo: Aleks Dorohovich aleksdorohovich · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 16] Search Documents with Embeddings and Cosine Similarity
Photo: freddie marriage fredmarriage · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 15] Validate Structured Responses with JSON Schema
Photo: Taduuda taduuda · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 14] Write Prompts with Clear Source Text and Constraints
Photo: Oli Dale olidale · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 13] Call the Ollama API from Python
Photo: Shixart1985 · Original photograph · CC BY 2.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 12] Set Up Web Chat with Open WebUI and Ollama
Photo: AnonymousUnknown author · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 11] Understand Docker Desktop, Containers, Volumes and Ports
Photo: Fukumoto · Original photograph · CC BY-SA 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 10] Install WSL2 and Understand Files and Networking
Photo: Jeff Sheldon ugmonk · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 09] Install Node.js and npm and Check Executable Paths
Photo: Markus Petritz petritzdesigns · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 08] Install Python and Create Project Environments
Photo: Scott Webb scottwebb · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 07] Use GGUF Models and the API in LM Studio
Photo: Ryan Riggins ryan_riggins · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 06] Move Model Storage and Check Offline Operation
Photo: 4300streetcar · Original photograph · CC BY 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 05] Tokens, Context, Quantization and Memory Use
Photo: 4300streetcar · Original photograph · CC BY 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 04] Read CPU, GPU and VRAM Specifications
Photo: FreeMediaKid! · Original photograph · CC BY-SA 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 03] Choose a Model for Your Computer
Photo: Aleksi Tappura a · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 02] Install Ollama on Windows 11 and Run a Model
Photo: Mnicolois · Original photograph · CC BY 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Local LLM 01] What to Check Before Running a Local LLM
Photo: Norbert Levajsics levajsics · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

Virtual Machines and Containers: Architecture, Security, Deployment and Recovery
Photo: Derrick Coetzee from Berkeley, CA, USA · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

Eight Enterprise Virtualization Platforms and How to Compare Them
Photo: Abigor · Original photograph · CC BY-SA 3.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

SAN and NAS Explained: Protocols, Performance, Redundancy and Backups
Photo: Redline · Original photograph · CC BY-SA 3.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Python Environments 01] Choose venv, uv or conda on Linux
Photo: Tatiana Lapina veila · Original photograph · CC0
Recorded download: not recorded in the reused metadata. Usage and license checked for the English edition on 2026-10-23.

[Python Environments 02] Use uv for Python, Dependencies and Lockfiles
Photo: William Iven firmbee · Original photograph · CC0
Recorded download: not recorded in the reused metadata. Usage and license checked for the English edition on 2026-10-23.

[Python Environments 03] Use conda, Miniforge and Jupyter Kernels
Photo: Ramiro Mendes thisisramiro · Original photograph · CC0
Recorded download: not recorded in the reused metadata. Usage and license checked for the English edition on 2026-10-23.

[Python Environments 04] Structure a Web Project with src, uv and Tests
Photo: Teresa Kluge lum3n · Original photograph · CC0
Recorded download: not recorded in the reused metadata. Usage and license checked for the English edition on 2026-10-23.

[Python Environments 05] Plan pandas, Jupyter, CPU and GPU Environments
Photo: Sebastian Mantel sebamantel · Original photograph · CC0
Recorded download: not recorded in the reused metadata. Usage and license checked for the English edition on 2026-10-23.

[Python Environments 06] Structure OCR Tools, Language Data, APIs and Workers
Photo: Héctor Martínez oria_hector · Original photograph · CC0
Recorded download: not recorded in the reused metadata. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 01] Repositories, Commits and the Role of GitOps
Photo: Norbert Levajsics levajsics · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 02] Install Git on Windows 11: PowerShell and Git Bash
Photo: Mnicolois · Original photograph · CC BY 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 03] Install Git and Prepare an Account on Rocky Linux 9
Photo: Aleksi Tappura a · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 04] Install Git and Prepare a Repository on Ubuntu 24.04
Photo: Ryan Riggins ryan_riggins · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 05] Make a First Commit with add, commit, status and diff
Photo: Scott Webb scottwebb · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 06] Read History with HEAD, Graphs, diff and bisect
Photo: Markus Petritz petritzdesigns · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 07] Choose restore, reset or revert Before Undoing Changes
Photo: Jeff Sheldon ugmonk · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 08] Create and Merge Branches: switch and Fast-Forward
Photo: Jeff Sheldon ugmonk · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 09] Resolve Conflicts with the Common Ancestor and a Three-Way Merge
Photo: Aleksi Tappura a · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 10] Work with Remotes: clone, fetch, pull and push
Photo: Ryan Riggins ryan_riggins · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 11] Team Branching and Pull Requests: Merge or Rebase
Photo: Jeff Sheldon ugmonk · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 12] Use Tags and Releases to Identify a Deployment
Photo: Norbert Levajsics levajsics · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 13] Review gitignore, Line Endings, LFS and Secrets
Photo: Scott Webb scottwebb · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 14] Build a Local Git Server with Bare Repositories and SSH
Photo: Myotus · Original photograph · CC BY 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 15] Run a Local Gitea Server with Docker Compose
Photo: 123net · Original photograph · CC BY-SA 3.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 16] Back Up and Restore Gitea Beyond the Repository Files
Photo: Santeri Viinamäki · Original photograph · CC BY-SA 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 17] Add GitHub Actions CI and Stop on Test Failures
Photo: Markus Petritz petritzdesigns · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 18] Connect Gitea and Jenkins: Credentials and Jenkinsfile
Photo: Myotus · Original photograph · CC BY 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 19] Plan CD: Approval, Artifact Promotion and Image Digests
Photo: 123net · Original photograph · CC BY-SA 3.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 20] Apply GitOps Principles and Separate App and Deployment Repositories
Photo: Christopher Bowns · Original photograph · CC BY-SA 2.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 21] Deploy with Argo CD: Installation, Projects and Git Access
Photo: BalticServers.com · Original photograph · CC BY-SA 3.0
Recorded download: not recorded in the reused metadata. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 22] Review Auto-Sync, selfHeal, prune and Git Revert
Photo: Christopher Bowns · Original photograph · CC BY-SA 2.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 23] Manage Secrets with SOPS and age
Photo: Mnicolois · Original photograph · CC BY 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

[Git and GitOps 24] Operate Git, CI/CD and GitOps: Diagnose and Recover
Photo: BalticServers.com · Original photograph · CC BY-SA 3.0
Recorded download: not recorded in the reused metadata. Usage and license checked for the English edition on 2026-10-23.

Set a Static IP on Rocky Linux 9 with nmtui and nmcli
Photo: Pmauduit · Original photograph · CC BY-SA 3.0
Recorded download: not recorded in the reused metadata. Usage and license checked for the English edition on 2026-10-23.

Set a Static IP on Ubuntu 24.04 with Netplan, DNS and SSH Recovery
Photo: RAIL P (RAIL.PHOTOGRAPHY) · Original photograph · CC0
Recorded download: not recorded in the reused metadata. Usage and license checked for the English edition on 2026-10-23.

Configure Ubuntu 26.04 Networking: Static IP, nmtui and Two NICs
Photo: Mvdiogo · Original photograph · CC BY-SA 4.0
Recorded download: not recorded in the reused metadata. Usage and license checked for the English edition on 2026-10-23.

Use systemd: Create, Edit and Remove Services and Read journalctl Logs
Photo: SuperBlobMonster · Original photograph · CC BY-SA 3.0
Recorded download: not recorded in the reused metadata. Usage and license checked for the English edition on 2026-10-23.

Expand a Linux Root Filesystem with LVM, XFS or ext4
Photo: Jacek Halicki · Original photograph · CC BY-SA 4.0
Recorded download: not recorded in the reused metadata. Usage and license checked for the English edition on 2026-10-23.

Expand a Linux Root Partition Without LVM: growpart and resize2fs
Photo: machu. · Original photograph · CC BY-SA 2.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

PHP2Shell: Check PHP Runtimes and Apply Security Fixes
Photo: 123net · Original photograph · CC BY-SA 3.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

Run Ollama Models on Linux: Installation, Service and Local API
Photo: Maja Dumat · Original photograph · CC BY 2.0
Recorded download: 2026-10-22. Usage and license checked for the English edition on 2026-10-23.

Start with Ansible: SSH Access and a First Playbook
Photo: Kim Scarborough · Original photograph · CC BY-SA 2.0
Recorded download: 2026-10-22. Usage and license checked for the English edition on 2026-10-23.

Explore a Tokenizer: Korean and English Token IDs and Embeddings
Photo: Norbert Levajsics levajsics · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

Use cloud-init to Configure a VM on First Boot
Photo: Derrick Coetzee · Original photograph · CC0 1.0
Recorded download: 2026-10-22. Usage and license checked for the English edition on 2026-10-23.

Download and Archive safetensors Models for an Offline Environment
Photo: Dmitry Makeev · Original photograph · CC BY-SA 4.0
Recorded download: not recorded in the reused metadata. Usage and license checked for the English edition on 2026-10-23.

Run vLLM on RTX: Rocky Linux 9 and Ubuntu 24.04 or 26.04
Photo: PantheraLeo1359531 · Original photograph · CC BY 4.0
Recorded download: not recorded in the reused metadata. Usage and license checked for the English edition on 2026-10-23.

Build a Local Package Repository for Rocky Linux 9 and Ubuntu 24.04 or 26.04
Photo: BalticServers.com · Original photograph · CC BY-SA 3.0
Recorded download: not recorded in the reused metadata. Usage and license checked for the English edition on 2026-10-23.

Fix No Space Left on Device When Linux Still Shows Free Space
Photo: machu. · Original photograph · CC BY-SA 2.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

Diagnose a Restarting Docker Container with Logs and Exit Codes
Photo: Fukumoto · Original photograph · CC BY-SA 4.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

Find Missing Ollama Models in Open WebUI
Photo: Unknown photographer (as recorded in the source) · Original photograph · CC0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

Install Python Packages Offline: Prepare Wheels and Dependencies
Photo: Dmitry Makeev · Original photograph · CC BY-SA 4.0
Recorded download: not recorded in the reused metadata. Usage and license checked for the English edition on 2026-10-23.

Find the Cause of Kubernetes ImagePullBackOff
Photo: ShakataGaNai · Original photograph · CC BY-SA 3.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

NAT Explained: SNAT, DNAT, One-to-One NAT and Port Forwarding
Photo: Raysonho @ Open Grid Scheduler / Grid Engine · Original photograph · CC0 1.0
Recorded download: 2026-10-23. Usage and license checked for the English edition on 2026-10-23.

Configure Static Routes on Rocky Linux with nmcli
Photo: MarcPG · Original photograph · CC BY-SA 3.0
Recorded download: 2026-10-23. Usage and license checked for the English edition on 2026-10-23.

Configure Static Routes on Ubuntu with Netplan
Photo: RobH · Original photograph · CC BY-SA 3.0
Recorded download: 2026-10-23. Usage and license checked for the English edition on 2026-10-23.

Build a DNS Server on Rocky Linux 9 with BIND: Forward and Reverse Zones
Photo: Kim Scarborough · Original photograph · CC BY-SA 2.0
Recorded download: 2026-10-22. Usage and license checked for the English edition on 2026-10-23.

Build a Local chronyd Time Server on Rocky Linux 9
Photo: Steven Baltakatei Sandoval · Original photograph · CC BY-SA 4.0
Recorded download: 2026-10-23. Usage and license checked for the English edition on 2026-10-23.

Use the Linux ip Command: Practical Examples and Differences from ifconfig
Photo: Dsimic at English Wikipedia · Original photograph · CC BY-SA 3.0
Recorded download: 2026-10-23. Usage and license checked for the English edition on 2026-10-23.

Manually Migrate a Linux VM from VMware to Nutanix AHV
Photo: machu. · Original photograph · CC BY-SA 2.0
Recorded download: 2026-10-18. Usage and license checked for the English edition on 2026-10-23.

Conceptual illustrations and diagrams

Virtual Machines and Containers: Architecture, Security, Deployment and Recovery
Creator: MaruOps. English diagrams rendered from editable SVG code on 2026-10-23. These diagrams explain concepts and are not actual equipment, product screens or packet captures.

OSI and TCP/IP Layers: Follow Data from an Application to the Wire
Creator: MaruOps. English diagrams rendered from editable SVG code on 2026-10-23. These diagrams explain concepts and are not actual equipment, product screens or packet captures.

[Jenkins 01] Install Jenkins LTS on Ubuntu: Java, Setup and Access
Creator: MaruOps. Existing MaruOps conceptual illustrations from the Korean series, reused with English captions. Generated illustrations are not actual Jenkins screens or measured execution results.

[Jenkins 02] Install Jenkins on Rocky Linux 9: DNF, SELinux and Firewall
Creator: MaruOps. Existing MaruOps conceptual illustrations from the Korean series, reused with English captions. Generated illustrations are not actual Jenkins screens or measured execution results.

[Jenkins 03] From a First Job to a Jenkinsfile: Git, Agents and Pipelines
Creator: MaruOps. Existing MaruOps conceptual illustrations from the Korean series, reused with English captions. Generated illustrations are not actual Jenkins screens or measured execution results.

[Jenkins 04] Six Uses: Image Builds, Kubernetes Deployment and Operations
Creator: MaruOps. Existing MaruOps conceptual illustrations from the Korean series, reused with English captions. Generated illustrations are not actual Jenkins screens or measured execution results.

Documentation and terminal screenshots

The vLLM guide retains screenshots of the official vLLM documentation. © vLLM contributors, Apache License 2.0; the article provides the original pages and a license copy. The local package repository guide retains actual terminal captures from the isolated lab recorded in the source article. Screenshot captions distinguish these from conceptual illustrations.

The Korean edition maintains its own photo credits page (Korean).

Reference photos for 30 IT news stories

Claude on Google Cloud Adds a Deployment Choice: Check the Data Processor · Server racks and overhead cable trays at NERSC · Photo: Derrick Coetzee · Source · CC0 1.0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-22; license rechecked 2026-10-24.

TorchTPU Goes Open Source: A New PyTorch Path to TPUs · Several servers mounted in an equipment rack · Photo: Abigor · Source · CC BY-SA 3.0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

llm-d 1.0: Why Context-Aware Routing Matters for LLM Serving · Computers and equipment mounted in a server rack · Photo: Myotus · Source · CC BY 4.0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Google Distributed Cloud Expands Air-Gapped AI: Separate GA from Preview · Server racks and overhead cable trays at NERSC · Photo: Derrick Coetzee · Source · CC0 1.0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-22; license rechecked 2026-10-24.

Confidential G4 Reaches GA: What GPU Data-in-Use Protection Covers · Several servers mounted in an equipment rack · Photo: Abigor · Source · CC BY-SA 3.0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Agent Compute Engine Announced: The Customer Preview Is Still Ahead · A technician using a laptop beside a server rack at NERSC · Photo: Derrick Coetzee from Berkeley, CA, USA · Source · CC0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Ubuntu Myna Speech-to-Text Preview: Test Local Processing and Language Quality · A keyboard, notebook, and headphones on a desk · Photo: Teresa Kluge lum3n · Source · CC0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Amazon S3 Comes to Vercel: Check Permissions Before Provisioning · A hard disk drive and Intel SSD on a desk · Photo: machu. · Source · CC BY-SA 2.0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Amazon ECS Gateway Separates Ingress Management from Application Services · Network equipment and fiber cabling at the Wikimedia EQIAD facility · Photo: RobH · Source · CC BY-SA 3.0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Project Tessera: Understand the Scope of Open Integrated HSMs · A desktop computer, keyboard, and tablet in a workspace · Photo: William Iven firmbee · Source · CC0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Cloudflare Origin Range Requests Improves Partial-File Caching · Network equipment and fiber cabling at the Wikimedia EQIAD facility · Photo: RobH · Source · CC BY-SA 3.0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

ConnectWise App Identity Abuse: Review Microsoft 365 Service Principals · An illuminated laptop keyboard in a dark setting · Photo: Markus Petritz petritzdesigns · Source · CC0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Microsoft Expands Local AI Agent Discovery: Inventory Is Only the Start · A technician using a laptop beside a server rack at NERSC · Photo: Derrick Coetzee from Berkeley, CA, USA · Source · CC0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Docker Hub PAT Reassignment Flaw: Separate the Fix Date from the Impact · A laptop and note-taking tools viewed from above · Photo: Aleksi Tappura a · Source · CC0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Cloudflare PQ GeoKey Manager Enters Closed Beta: Keys Are One Location Boundary · Network equipment and fiber cabling at the Wikimedia EQIAD facility · Photo: RobH · Source · CC BY-SA 3.0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Cloudflare WAF Adds Request-and-Response Inspection: Blocking Is Not Rollback · Computers and equipment mounted in a server rack · Photo: Myotus · Source · CC BY 4.0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Eight eMudhra Intermediate Certificates: Check Trust Stores Beyond the Browser · A closed laptop and lamp on a desk · Photo: Tatiana Lapina veila · Source · CC0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Ubuntu 26.10 curl Security Update: Include libcurl Consumers in the Review · A laptop keyboard and trackpad · Photo: Scott Webb scottwebb · Source · CC0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

GitHub Public Monitoring Expands: Closing an Alert Does Not Revoke a Token · A workspace with a keyboard and mouse · Photo: Jeff Sheldon ugmonk · Source · CC0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

AWS Continuum Reaches GA: From Vulnerability Findings to Reviewable Fixes · A laptop and monitor on a desk · Photo: Norbert Levajsics levajsics · Source · CC0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Ubuntu 26.10 Arrives: Review Automation After the Rust coreutils Transition · A laptop and sketchbook on a desk · Photo: Sebastian Mantel sebamantel · Source · CC0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Kubernetes cgroup v2 Migration: Avoid a kubelet Startup Failure After Upgrade · Server racks and overhead cable trays at NERSC · Photo: Derrick Coetzee · Source · CC0 1.0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-22; license rechecked 2026-10-24.

Headlamp’s Kueue Plugin: Check Admission Before Investigating Pending Pods · Computers and equipment mounted in a server rack · Photo: Myotus · Source · CC BY 4.0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Kubernetes Node Swap: Evaluate Density Against Tail Latency · A hard disk drive and Intel SSD on a desk · Photo: machu. · Source · CC BY-SA 2.0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Python 3.15.1, 3.14.9, and 3.13.17 Security Releases: Check Existing venvs · A laptop, camera, and tablet in a workspace · Photo: Héctor Martínez oria_hector · Source · CC0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Rust 1.99.1 Fixes Regressions in FFI bool, UEFI, and macOS Linking · A laptop and mug on a wooden desk · Photo: Ryan Riggins ryan_riggins · Source · CC0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Enterprise GitHub App Installations Reach GA: Review Classic PAT Automation · A desktop computer, keyboard, and tablet in a workspace · Photo: William Iven firmbee · Source · CC0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

GitHub CLI Previews Expiring OAuth Tokens: Find Scripts That Cache Credentials · An illuminated laptop keyboard in a dark setting · Photo: Markus Petritz petritzdesigns · Source · CC0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

GitHub Package Firewall Public Preview: Start with npm and Download Paths · A workspace with a keyboard and mouse · Photo: Jeff Sheldon ugmonk · Source · CC0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

GitHub Stacked PRs Reach GA: Design Review Boundaries and Merge Dependencies · A laptop and sketchbook on a desk · Photo: Sebastian Mantel sebamantel · Source · CC0. Reuses an illustrative photo hosted on this server. It does not depict the announced product, incident, or measured environment. Resizing and listing crops retain the source usage terms. Original downloaded 2026-10-18; license rechecked 2026-10-24.

Bitcoin news reference photographs · October 24, 2026

Reference photographs used in 30 Bitcoin news articles and their Korean counterparts. These images do not depict the reported events or the named companies’ equipment. Downloaded October 24, 2026. Original proportions are preserved in articles; listing thumbnails may be resized or cropped.

Stacks of physical Bitcoin-themed tokens · Pixabay / Original / CC0
Articles: Franklin registers Bitcoin DRIP ETFs that redirect stock dividends / Strategy adds 267 Bitcoin while repurchasing STRC preferred shares / SpaceX–Tesla merger talks put existing Bitcoin holdings in focus

A physical Bitcoin-themed token on a laptop keyboard · Satheesh Sankaran / Original / CC BY 2.0
Articles: Blockstream expands institutional Bitcoin consulting from Lugano / German Sparkassen begin Bitcoin trading in their banking app

A hand holding a physical Bitcoin-themed token · Satheesh Sankaran / Original / CC BY 2.0
Articles: Glassnode’s $87,700 Bitcoin cost basis: reading a potential resistance zone / Strive reaches 36,818 BTC: separating the new purchase from the weekly total

A physical Bitcoin-themed token in a transparent case · Heuboden / Original / CC BY-SA 4.0
Articles: Thailand’s spot crypto ETF framework starts without a formal application / China seeks confiscation of 61,800 BTC: legal claims are not market sales

The front of a 2011 Casascius Bitcoin token · Tiberiandusk / Original / CC BY-SA 4.0
Articles: Mt. Gox extends repayments to 2027: a deadline is not a distribution freeze / A Bitcoin wallet dormant since 2013 moves 411 BTC

A Bitcoin-themed token on a wooden surface · Wald-Burger8 / Original / CC BY-SA 4.0
Articles: Switzerland approves its first retail spot Bitcoin ETF / Bitcoin volatility approaches Nvidia’s: comparing 90-day realized swings

A hand holding a Bitcoin-themed token while using a laptop · Shixart1985 / Original / CC BY 2.0
Articles: Do Bitcoin ETF flows lead prices? DWF Labs studies 694 sessions / Super League shareholders approve Metaplanet’s proposed 2,100 BTC investment / Standard Chartered launches direct Bitcoin trading for eligible UAE clients

An overhead view of server equipment in a CERN data center · Hugovanmeijeren / Original / CC BY-SA 3.0
Articles: Bitcoin Core accelerates fixes for easily discoverable vulnerabilities / NIP Group agrees to acquire another 4.47 EH/s of Bitcoin mining assets

Server racks in a Last.fm data center · Last.fm from London, UK / Original / CC BY-SA 2.0
Articles: Bitcoin hashrate recovers, but the price signal needs context / Standard Chartered signs definitive agreements to acquire Zodia Custody / Deutsche Bank targets an Asian expansion of crypto custody

An illustrative exterior photograph of the New York Stock Exchange · Jeffrey Zeldman from Manhattan, USA / Original / CC BY 2.0
Articles: US spot Bitcoin ETFs lose $635 million in one session / JPMorgan models 10% annual Bitcoin returns: reading the assumptions / CFTC and CME dispute the US treatment of Bitcoin perpetual futures

Columns and US flags on the New York Stock Exchange facade · 颐园居 / Original / CC BY-SA 4.0
Articles: BlackRock files for PBIT: what Bitcoin downside protection means / Robinhood sees growing Bitcoin prediction-market demand / Bitcoin put trading rises: hedging demand is not a certain price forecast

An illustrative photograph of an electricity transmission pylon · Peter Church / Original / CC BY-SA 2.0
Articles: Sazmining offers Proto hashboards: separating hardware and operating costs

An electricity transmission pylon and lines across a field · Brian Green / Original / CC BY-SA 2.0
Articles: Nscale loses a UK Microsoft project as power delays test the mining-to-AI pivot / Bitcoin falls below $81,500 as the technology-stock selloff spreads

IT briefing for October 25, 2026

IT briefing, October 25, 2026: seven stories on security, AI and Windows
Illustrative photo of a technician at a NERSC server rack · Derrick Coetzee from Berkeley, CA, USA · Original photograph · CC0
License rechecked October 25, 2026. Reuses the locally hosted photograph. Original download: 2026-10-18

PostgreSQL installation and account management reference photo · 2026-10-25

Photo: Andy Melton · Original · CC BY-SA 2.0 · Site copy. Downloaded and license checked: 2026-10-25. General storage reference photo, not the PostgreSQL server or test equipment in this article. Original aspect ratio retained; resized for web display and cropped for listing thumbnails. Adapted images retain CC BY-SA 2.0.

Rocky Linux 9 PostgreSQL 18 설치와 계정 관리: 일반·컨테이너·앱 연결 / PostgreSQL 18 on Rocky Linux 9: Native and Docker Installation, Roles, and App Access

Crypto briefing reference photo · October 25, 2026

Featured image for the October 25, 2026 crypto briefing in English and Korean. It does not depict the reported events, companies or exchanges. Downloaded October 25, 2026 (1920px Wikimedia Commons rendition). Original proportions are preserved in articles; listing thumbnails may be resized or cropped.

A hand holding several cryptocurrency-themed coins above a desk · Shixart1985 / Original / CC BY 2.0
Articles: Crypto briefing, October 25, 2026: seven stories on Korea's crypto tax, Bitcoin and wallet security / 10월 25일 코인 뉴스 7선: 가상자산 과세 재유예 가닥과 비트코인 8만 달러 공방 (Korean)

Autumn foliage travel guide reference photo · 2026-10-25

Photo: Tung Thanh Dang · Original · CC BY-SA 3.0 · Site copy. Downloaded and license checked: 2026-10-25. Historical reference photograph of Naejangsan taken in 2016, not a report of current foliage conditions. Original aspect ratio retained; resized for web display and cropped for listing thumbnails. Adapted images retain CC BY-SA 3.0.

가을 단풍 여행 50선: 전국 산책길·사찰·계곡 간략 About (Korean) / 50 Autumn Foliage Destinations in South Korea: A Brief Regional Guide

Bitcoin FOMC guide for October 26, 2026

Bitcoin this week: the October FOMC schedule and signals
Federal Reserve Eccles Building, photographed in 2011 · Britt Leckman / Federal Reserve Board · Original photograph · Public domain (U.S. government work)
License checked and original downloaded October 26, 2026. Official Federal Reserve photograph hosted locally. Original download: 2026-10-26

Reference photo for the Nutanix Move ESXi DNS guide

Photo: Jon 'ShakataGaNai' Davis · Original · CC BY-SA 3.0. General network equipment reference, not the Move or ESXi environment in this guide. Reuses the locally hosted photograph, retains its aspect ratio, and may crop listing thumbnails. Adaptations retain CC BY-SA 3.0. Local copy reused and license checked on 2026-10-26. The original download date is not recorded in the existing attachment metadata.

Nutanix Move: ESXi 호스트 연결 오류와 DNS 점검 · Nutanix Move: Fix ESXi Host Unreachable Errors with DNS

OpenJDK security inspection reference photo · 2026-10-26

Photo: Christopher Bowns · Original · CC BY-SA 2.0 · Site copy. Original download: 2026-10-18. License rechecked and reused: 2026-10-26. General data center reference photo, not equipment inspected or used to reproduce a vulnerability in this article. Original aspect ratio retained; resized for web display and cropped for listing thumbnails. Adapted images retain CC BY-SA 2.0.

Reference photo for the Linux VM NGT installation guide

Photo: Derrick Coetzee · Original · CC0 1.0. General data center reference, not the equipment in the supplied NGT records. Reuses the locally hosted photograph with its aspect ratio retained; listing thumbnails may be cropped. Downloaded on 2026-10-22. Local copy reused and license checked on 2026-10-27.

Nutanix Linux VM에 NGT 설치와 통신 확인 · Install NGT on a Nutanix Linux VM and Verify Connectivity