Tutorials
In-depth technical tutorials, guides, and infrastructure best practices.

FRRouting BGP on Linux: Dual-Uplink Failover Guide for Dedicated Servers
Install FRRouting 10.7 on a Linux dedicated server and set up dual-ISP BGP failover with filters, route maps, BFD, and graceful restart.

Install Proxmox Datacenter Manager 1.1 and Manage Multiple Proxmox Clusters
Learn the full Proxmox Datacenter Manager 1.1 setup: install PDM, connect multiple Proxmox VE clusters, set permissions, check Ceph, and secure the network.

Set Up an Ephemeral GitHub Actions Self-Hosted Runner on a Linux VPS
Learn how to set up an ephemeral GitHub Actions self-hosted runner on a Linux VPS with Docker, JIT runners, systemd, log forwarding, and auto-cleanup.

SGLang Speculative Decoding: EAGLE-3, MTP, NGRAM Benchmarks and OOM Fixes
SGLang speculative decoding tuning guide: test EAGLE-3, MTP, NGRAM, and draft models, track accept length and VRAM, and fix OOM errors on a GPU server.

Install Proxmox Backup Server 4.2 and Back Up a Proxmox VE Cluster
Proxmox backup server setup guide: install PBS 4.2, create a datastore, add it to Proxmox VE, schedule backups, set retention, verify, and test a full restore.

How to Run llama.cpp as a Production OpenAI-Compatible Server
Learn llama.cpp speculative decoding. Build with CUDA, run llama-server with an API key and Nginx, add a draft model, and benchmark speed and VRAM.

Build a Ceph Tentacle 20.2 Cluster on Proxmox VE 9.2 with NVMe OSDs
Learn how to build a Ceph Tentacle cluster on Proxmox VE 9.2 with NVMe OSDs. Set up networks, MON, MGR, RBD storage, live migration, and a failover test.

How to Expand a ZFS RAIDZ Pool on Proxmox Without Rebuilding the Array
Learn how to expand a ZFS RAIDZ pool on Proxmox with zpool attach. Check support, back up, add a disk, monitor progress, and avoid capacity limits.

SGLang GPU Server Deployment: OpenAI API, systemd, Metrics, Benchmarks
Deploy SGLang on a GPU server with an OpenAI-compatible API, user and admin keys, HTTPS, systemd, metrics, and latency benchmarks.

Proxmox Networking Setup: From a Simple Bridge to LACP Bonds
Learn how to build a Proxmox VLAN bridge with active-backup or LACP bonding, isolate the management network, and safely roll back remote changes.

CAA Records for Let's Encrypt: Wildcard Certificates, Testing, and Fixes
Learn how to set CAA issue, issuewild, and iodef records, test Let's Encrypt wildcard certificates with Certbot, and fix ACME CAA errors.

How to Filter BGP and EVPN Routes in Proxmox VE 9.2
Learn Proxmox BGP EVPN configuration with route maps and prefix lists. Build the fabric, add peers and VNets, filter routes, and fix common problems.