Cooper Reagan
539 posts
How to Open Ports in UFW on Ubuntu 26.04
UFW (Uncomplicated Firewall) allows Ubuntu administrators to manage firewall rules using simple commands. Opening specific ports is necessary for services such as websites, SSH access, databases, and game servers.
How to Install UFW Firewall on Ubuntu 24.04
UFW (Uncomplicated Firewall) is the default firewall management tool on Ubuntu. It provides a simple way to secure a server by allowing or blocking incoming network traffic.
How to Create a Swap File on Ubuntu VPS
Swap space on Ubuntu helps prevent memory-related crashes by allowing the server to temporarily move inactive data from RAM to disk. On smaller VPS plans, adding swap can improve stability during traffic spikes or heavy background tasks.
How to Find What Is Filling Up Disk Space on a VPS
Running out of disk space on a VPS causes service failures, database crashes, and package installation errors. Finding the exact files and directories consuming space is the fastest way to fix it.
How to Check and Reduce High Memory (RAM) Usage on Linux
High memory usage can cause slow performance, service crashes, and unexpected out-of-memory errors on a Linux VPS.
How to Check and Fix High CPU Usage on a Linux VPS
High CPU usage can slow down your VPS, cause timeouts, and crash services. Finding the exact process and fixing it quickly is critical for stability.
How to Fix Docker Network Connectivity Issues
Docker network connectivity issues usually appear as containers being unable to reach the internet, other containers, or exposed services on a VPS.
How to Expose Docker Containers Securely to the Internet
Exposing Docker containers directly to the internet without proper controls can lead to security risks. A secure setup limits attack surface while keeping services accessible on a VPS.
How Docker Networking Works on a VPS
Docker networking controls how containers communicate with each other, the host system, and the public internet. Understanding this is critical for exposing services securely on a VPS.