The latest articles on DEV Community by qxnode (@qxnode). https://dev.to/qxnode https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4016524%2Fb5444edc-85bd-42ac-bf1a-10358a8880a3.jpg https://dev.to/qxnode en qxnode Sun, 05 Jul 2026 17:51:55 +0000 https://dev.to/qxnode/dead-mans-switch-usb-kill-switch-for-linux-open-source-defensive-security-project-c8n https://dev.to/qxnode/dead-mans-switch-usb-kill-switch-for-linux-open-source-defensive-security-project-c8n <p>Sharing a project I've been building for the community: a defensive security toolkit for Linux focused on physical server protection.</p> <p>It includes:</p> <p>USB kill switch — if the device is unplugged, LUKS keys are wiped and the system reboots</p> <p>Dead man's switch — no heartbeat in 24h triggers wipe and reboot</p> <p>Web-based manual kill switch with token authentication</p> <p>USBGuard-based USB device control via web UI</p> <p>Designed to run on a private network (Tailscale), with Discord notifications.</p> <p>Repo: <a href="https://github.com/qxnode/luks-deadman" rel="noopener noreferrer">Click Here</a></p> <p>Feedback, PRs and criticism welcome, especially if you spot anything worth improving in the security model.</p> security privacy architecture opensource