11 posts found in this category.
Not sure which Raspberry Pi model you have? These SSH commands reveal your Pi's model, CPU, RAM, and OS without needing physical access.
Raspberry Pi going offline randomly? WiFi power save is likely the culprit. Here is how to keep your Pi accessible 24/7 with systemd services and network recovery.
Configure multiple USB LTE dongles with separate routing tables. Each request routes through a different network interface.
Lost SSH access after reformatting your Pi? Modern Raspberry Pi OS disabled SSH by default. Here is the complete headless setup guide.
Learn WireGuard from scratch - concepts, configuration, common topologies, and practical examples for setting up secure VPN tunnels between Linux machines.
Learn how to use systemd to autostart scripts on your Raspberry Pi, replacing the older crontab -e method for better reliability and flexibility.
Learn how to kill a server process from a Makefile using the lsof command to find the PID and kill it.
Learn how to set up Raspberry Pi without a monitor and keyboard aka headless setup
Learn how to set up a dongle-powered mobile proxy hub for testing and development.
Whitelist IPs in Nginx for enhanced security. Configure IP restrictions for domains, subdomains, URLs, and IP ranges. Protect your web applications with access control.
Master the Linux Cat Command: Simplify Text Manipulation