DevOps
Questions about servers, Docker, CI/CD, scripts, and deployment.
Learn how to configure Kubernetes NGINX Ingress to allow server-snippet annotations for MinIO redirection, resolving risky annotation validation errors with proper controller configuration.
Fix intermittent 403s when Cloud Tasks calls internal Cloud Run via OIDC. Match audience to service URL, grant roles/run.invoker to SA, and verify IAM/VPC.
Step-by-step guide to configure NDR sending in Exchange Server 2016 with Proxmox Mail Gateway (PMG). Prevent backscatter by disabling external NDRs, using RemoteDomain settings, SMTP rejection, and whitelisting trusted domains.
Debug Laravel + React (InertiaJS) app stalling after ~30KB load on hosters like aeza. Fix PHP-FPM timeouts, Nginx proxy issues, output buffering, chunked transfer, and network stalls with logs and traces.
Resolve XAmzContentSHA256Mismatch when uploading multipart/form-data to Minio via django-storages S3Storage with s3v4. Upgrade Minio, use boto3 config like request_checksum_calculation='when_required', or fallback to signature_version='s3'. Includes debugging steps.
Prevent go build in GitLab CI from downloading private modules in a monorepo. Use go.work or replace, set GOPRIVATE and netrc with a PAT, or vendor modules.
Fix Bitrix24 on-premise webhooks in business processes. Why im.message.add.json from BPs fails (on-hit agents/race) and how switching to cron fixes delivery.
Discover ready-made Zabbix templates for monitoring Dell OptiPlex desktops: CPU temperature, memory status, power supply via SNMP, OMSA, IPMI, or Dell Command Monitor. Download from GitHub, Zabbix Share, and setup guides.
Guide to download Cloudera Kafka parcel KAFKA-4.1.0-1.4.1.0.p0.4-jessie for CDH with SHA1 d04c12a0762738681965399f5213fba2aa20f56c. Steps for verification, installation via Cloudera Manager, troubleshooting, and mirrors from archive.cloudera.com.
Resolve HTTP/2 requests stalling in Chrome from Next.js frontend to Node.js backend behind AWS ALB. Causes like protocol translation, keep-alive mismatches, PM2 clustering. Diagnostics, ALB tweaks, Node config fixes.
Learn how to update your TortoiseSVN client's server IP address using Relocate or `svn switch --relocate`. Fix SVN IP connection issues and troubleshoot server changes.
Resolve Axelor 8.1+ Keycloak OIDC integration issues: OidcClient not registered, /ws/auth/providers 404, and configuration errors. Learn correct setup.
Stop Gemini 429 errors when deploying Google AI Studio apps on Netlify. Learn rate-limit causes, throttling, batching, backoff, queues, and quota fixes now.
Is it safe to use min-instances: 0 with --no-cpu-throttling on Google Cloud Run? Understand cold starts, cost savings, and operational recommendations.
Learn how to reduce Docker overlay2 filesystem space usage when /var/lib/docker appears to have sufficient space. Fix Nextcloud crashes with targeted overlay2 cleanup strategies.
Learn how to install Visual Studio 2026 on GitHub runners for CI/CD pipelines. Step-by-step guide using Chocolatey for side-by-side installation with MSBuild 18.
Identify RoofingLeadEngine user agent in server logs. Understand RoofingLeadEngine/WORKING, ContactFix, and how to manage this roofing lead bot.
Complete guide to fixing DevExpress license recognition in Docker containers. Learn multi-stage build configurations, user permissions, and license validation for .NET APIs.
Troubleshoot and resolve intermittent 'DISABLE ECHO command' timeout failures when running Ansible playbooks via AWS SSM in GitHub Actions. Learn timeout configurations, pipelining settings, and retry strategies for stable deployments.