A knowledge base for homelab enthusiasts, IT security analysts, and Linux practitioners — practical guides for tasks you do once and forget before the next time. https://wiki.b717.dev/ Sebastian Heisehttps://github.com/bastii717/b717-docsen Fri, 12 Jun 2026 10:51:24 -0000 Fri, 12 Jun 2026 10:51:24 -0000 1440 MkDocs RSS plugin - v1.19.0 None https://wiki.b717.dev/ How to reset a lost root or user password inside a Proxmox LXC container without the old password — using pct enter from the host. Explains why this works and how the LXC access methods differ. https://wiki.b717.dev/homelab/proxmox-lxc-password-reset/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/homelab/proxmox-lxc-password-reset/ Diagnose and fix RDP session drops in Proxmox Windows 11 VMs: CPU limit, missing VirtIO-GPU driver, RAM ballooning, and SCSI driver bugs. https://wiki.b717.dev/homelab/proxmox-windows11-rdp-drops/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/homelab/proxmox-windows11-rdp-drops/ Step-by-step guide to creating and installing a Windows 11 virtual machine in Proxmox VE. Covers VM settings, VirtIO driver loading, 24H2 gotchas, and post-install configuration. https://wiki.b717.dev/homelab/proxmox-windows11-vm/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/homelab/proxmox-windows11-vm/ Set up Apt-Cacher NG as a caching proxy for apt packages on your LAN. Covers server installation, HTTPS passthrough, UFW, client proxy configuration, and the web admin interface. https://wiki.b717.dev/linux/apt-cacher-ng/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/linux/apt-cacher-ng/ Install Docker Engine and the Docker Compose plugin on Ubuntu using the official apt repository. Covers manual step-by-step installation, user and group setup, and a fully automated bash script. https://wiki.b717.dev/linux/docker/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/linux/docker/ Quick reference for frequently needed Linux sysadmin commands — system info, resources, processes, networking, users, and package management. With notes on when to reach for each. https://wiki.b717.dev/linux/linux-commands/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/linux/linux-commands/ How to extend an LVM logical volume on Ubuntu — from free VG space or a new disk — and resize ext4 or XFS filesystems. https://wiki.b717.dev/linux/lvm-extend/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/linux/lvm-extend/ Set up msmtp as a lightweight SMTP client on Ubuntu servers so scripts and cron jobs can send email alerts. Covers installation, configuration, aliases, and testing. https://wiki.b717.dev/linux/msmtp/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/linux/msmtp/ How to generate Ed25519 SSH keys, deploy them to a remote server, and disable password authentication. https://wiki.b717.dev/linux/ssh-keys/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/linux/ssh-keys/ How to enable RDP on Ubuntu 22.04 and 24.04 desktop. Covers GNOME Remote Desktop (built-in) for 24.04 and xrdp for 22.04 or where the built-in option isn't available. https://wiki.b717.dev/linux/ubuntu-rdp/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/linux/ubuntu-rdp/ Complete UFW walkthrough: defaults, allow/deny rules for SSH, HTTP, HTTPS, IP filtering, rate limiting, and rule management. https://wiki.b717.dev/linux/ufw/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/linux/ufw/ How to enable, configure, and verify automatic security updates on Ubuntu using unattended-upgrades. https://wiki.b717.dev/linux/unattended-upgrades/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/linux/unattended-upgrades/ Practical guide to WSL2: installation, updates, file path navigation, configuration with wsl.conf and .wslconfig, systemd, interop with Windows, and quality-of-life tips. https://wiki.b717.dev/linux/wsl/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/linux/wsl/ Stop nginx from answering requests to the bare server IP: a catch-all default_server with return 444 and ssl_reject_handshake prevents domain leaks via TLS certificates and keeps scanners out of your vhosts. https://wiki.b717.dev/security/nginx-block-direct-ip-access/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/security/nginx-block-direct-ip-access/ Install ModSecurity v3 and the OWASP Core Rule Set 4 on nginx mainline (Ubuntu) from scratch: build the connector module, configure anomaly scoring, and move safely from DetectionOnly to blocking mode. https://wiki.b717.dev/security/nginx-modsecurity-crs-setup/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/security/nginx-modsecurity-crs-setup/ Protect login endpoints and APIs on nginx with limit_req and limit_conn: zone configuration, burst and nodelay explained, dry-run calibration, correct 429 responses, and real client IPs behind a proxy. https://wiki.b717.dev/security/nginx-rate-limiting/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/security/nginx-rate-limiting/ Sync the Spamhaus DROP list into a Cloudflare custom IP list via API and block it with a single WAF rule — works on the Free plan, no rule-size limits, fully automated with a daily cron job. https://wiki.b717.dev/security/spamhaus-drop-cloudflare-waf/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/security/spamhaus-drop-cloudflare-waf/ Automatically block all traffic from the Spamhaus DROP list on Linux using nftables sets: a daily sync script fetches the JSON feeds, rebuilds the set atomically, and protects every service on the host. https://wiki.b717.dev/security/spamhaus-drop-nftables/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/security/spamhaus-drop-nftables/ Set up a WireGuard VPN server on Ubuntu or Debian using the Nyr installer script. Covers installation, client management, and LXC container configuration for Proxmox. https://wiki.b717.dev/security/wireguard/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/security/wireguard/ How to enable RDP on a fresh Windows 11 Pro/Enterprise installation via Settings, PowerShell, or CMD. Includes firewall and NLA notes. https://wiki.b717.dev/windows/enable-rdp/ Fri, 12 Jun 2026 00:00:00 +0000 B717 Knowledge Basehttps://wiki.b717.dev/windows/enable-rdp/