Set up GPU passthrough for Ubuntu 24.4 on Proxmox with clear, practical steps. Check IOMMU in BIOS, bind your AMD Radeon to vfio-pci, attach the PCI device to the VM, and install amdgpu in the guest. Use five checks to pinpoint issues.
Proxmox on Dell OptiPlex 3050: Use a 3050 Mini PC to run small VMs on NVMe with better single‑thread performance. You will adjust BIOS, configure LVM‑thin storage, set a bridged NIC, apply firewall rules, schedule backups and add simple automation.
I use Proxmox CLI GPU Passthrough every time I need raw GPU power inside a VM. This guide strips the noise and gives the commands and checks that actually matter. Read it top to bottom, then copy the commands into your shell. I assume a single Proxmox host running a recent Proxmox VE release and […]
Smart Lock Automation with Home Assistant keeps your door control local and secure. You get concise automation scenes, presence checks and door sensor safeguards you can copy. Learn testing steps, privacy settings and hardening tips to reduce remote unlock risk.
Modbus home automation guide. You will wire RS-485 correctly, map coils and registers, and assign unique slave IDs. You will test with a single node, check termination and parity, and log CRC errors. Use open-source masters to integrate your nodes and keep firmware simple.
Sophos XGS Firewall: optimise VoIP settings for reliable calls. Start by mapping your NAT, public IPs, VLANs, and ports. Lock firewall rules and allow only required SIP and RTP ranges. Mark media traffic for priority and set QoS with fixed bandwidth for voice. Test registrations, capture RTP and monitor latency, jitter and packet loss.
I get this question a lot. An institution hands me a spreadsheet of 200 MACs and IPs and asks for a quick way to push those as static IP-MAC reservation entries into a Sophos firewall. Manual clicking is boring and error prone. There are three practical routes: convert the sheet to a Sophos-compatible XML and […]
Configure inbound TLS/SSL inspection on Sophos XG and XGS. You will learn when to use the Sophos WAF or a reverse proxy. You will see where to bind certificates and how to map public IPs with DNAT. Validate with curl and packet capture, and apply fixes immediately.
Sophos Connect vulnerabilities, including CVE-2022-48310, may appear on macOS scans. Check your app version, confirm the flagged library with mdls and otool, then follow Sophos guidance or apply temporary mitigations such as disabling the client or using an approved VPN client. Re-run your scanner and record the plugin ID and timestamp.
Sophos Firewall v22 user experiences show Health Check and XDR are key. Back up your configuration, check disk space, and test XDR in a lab before you upgrade. Clean your rule base, enable two-factor authentication for admin accounts, and monitor logs after the upgrade.
