devops
DevOps practices for distributed systems
Comprehensive guide to troubleshooting OpenELB external IP assignment issues in Kubernetes. Learn to resolve 'no registered speaker' errors and configure your load balancer kubernetes setup properly.
Comprehensive guide to Pimcore upgrade from 6.9 to 10.x: handle deprecations, outdated packages like Guzzle, breaking changes, PHP 8 shift. Direct to 10.5 or via 10.1? Real experiences, steps, and checklists for safe migration.
Learn how to declare and manage multiple variables with Python's with statement. Explore syntax options, advanced techniques with ExitStack, and best practices for resource management.
Complete guide to setting up a self-hosted VKontakte auto-posting solution using Mixpost. Schedule posts, create drafts, add images, and manage your VK communities with full control.
Learn how to set up externalIPs in Kubernetes services using Helm charts. Fix 'pending' status, troubleshoot routing issues, and apply best practices for bare-metal k8s service exposure.
Learn how to completely remove Git commit history in GitHub while preserving your current code state. Step-by-step guides using orphan branches, git filter-branch, and repository re-initialization.
Learn how to use cURL with username and password authentication. Complete guide covering basic auth, security considerations, and troubleshooting authentication errors.
Troubleshoot Newman API tests failing behind Cloudflare Access in GitHub Actions. Learn to pass CF-Access-Client-Id and Client-Secret headers using --env-var or fixed environment.json for secure CI/CD automation.
Fix VS Code Dev Containers failing to build Dockerfile with local images like openface:latest showing 'pull access denied' error. Docker build succeeds but BuildKit docker-container driver pulls from Docker Hub. Tag with localhost/ or disable BuildKit.
Set up automatic PXE boot for Windows 11 deployment using standalone WDS—no domain or paid software needed. Custom hostname menu, unattended installs, post-install Kaspersky, and Secure Boot compatibility included.
Resolve TypeError: Cannot add property $rewriteMetricName and __name errors when integrating Playwright engine into Artillery load tests in DevContainer. Step-by-step fixes for package.json, Dockerfile, and YAML config.
Discover top free VPS server trials for 30 days without a credit card. Professional data center options like VPSWala, RDPServerss, and GratisVPS with NVMe SSD, root access, and DDoS protection for real testing.
Configure Proxmox VE cluster network with LACP bonding on 25G fiber for Corosync/migration, separate management VLAN on vmbr1, VLAN-aware vmbr2 for VMs. Full /etc/network/interfaces examples, testing, no host routing needed.
Resolve 'broken pipe' error during chaincode deployment with deployCC in Hyperledger Fabric test-network on Docker Desktop 4.56.0. Causes, step-by-step fixes like downgrading Docker, socket permissions, and WSL2 for successful builds.
Fix CloudFront-Viewer-Country-Name, Region headers not reaching Lambda via API Gateway after Nov 2023 change. Configure Origin Request Policy, Lambda proxy integration, Regional API Gateway, or Lambda@Edge workaround for reliable forwarding.
Discover why investing in website development and growth beyond content pulling is crucial. Explore benefits like SEO promotion, higher conversions, ROI, and practical steps for site redesign, optimization, and maintenance.
Fix 'context deadline exceeded' when uploading large files (~4GB) to MinIO using mc cp. Tune multipart part-size (64-128MiB), parallelism, proxy timeouts (Nginx 30m), and server configs for reliable uploads.
Free vibe coding courses compared (Microsoft, Coursera, Great Learning). Includes step-by-step VPS deployment for vibe-code projects on Ubuntu with PM2 + Nginx.