Install GitLab CE on Ubuntu VM with HTTPS enabled via Let's Encrypt and Cloudflare DNS.
Deploy a production-ready Jenkins on Docker with DinD/host Docker integration, agent setup.
Best practices for pushing code: init, branches, safe pushes, troubleshooting.
Enable a Linux serial console on a Proxmox VM and get a login prompt via xterm.js.
Jenkins pipeline example that builds images and runs Trivy image/filesystem scans with reports and fail thresholds.