Pervent Android Screen Rotation
For each activity in Manifest file add: android:screenOrientation="portrait" or android:screenOrientation="landscape".
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Caddy + Portainer + Docker: Minimal Reverse Proxy Setup for a Stable Production Environment
Caddy is a modern web server that is often used as a reverse proxy in Docker environments. It is lightweight, fast, and supports automatic HTTPS out of the box. When combined with Docker and Portainer, Caddy can be a clean alternative to Nginx or Nginx Proxy Manager — but only if
Network Interface Traffic Monitoring Linux
Monitoring network interface traffic on Linux is one of those tasks that looks simple until something goes wrong. Sudden bandwidth spikes, unexplained packet loss, throttling by a VPS provider, or a container silently saturating the NIC can quickly turn into an outage. When you are under pressure, you do not
How to Push an Existing Local Project to GitLab
If you already have a local project with real code and need to push it to GitLab—but no repository exists yet—this guide walks you through the correct, clean, and production-safe workflow. This article is written for developers, DevOps engineers, and homelab users who want a reliable Git workflow,
Fix “Cannot open TUN/TAP dev /dev/net/tun”
If you run VPN software, WireGuard, OpenVPN, or any tunneling-based network service on Linux, you will eventually encounter this error: Cannot open TUN/TAP dev /dev/net/tun: Operation not permitted This message commonly appears on VPS servers, inside Docker containers, or in Proxmox LXC environments. It usually shows up