OSTechNix

8 SSH Hardening Tips to Secure a Linux Server Against Brute-Force Attacks

Secure Linux server against SSH brute-force attacks with SSH hardening tips, including SSH keys, access controls, login ...
OSTechNix

Linux Kernel 7.3 RC3 is Officially Released: Here’s What’s New

Linus Torvalds has announced the third release candidate (RC3) for the upcoming Linux Kernel 7.3. Learn what's new in Linux 7 ...
OSTechNix

Self-host Odoo CRM on Ubuntu: Docker and Source Install Methods

Learn how to self-host Odoo CRM on Ubuntu Linux. Step-by-step guide to install Odoo with Docker and PostgreSQL or deploy it ...
OSTechNix

Testing Your Website’s Global CDN Performance from the Command Line

Learn how to test CDN performance from the command line using curl and dig. Measure TTFB, DNS latency, cache hits vs misses, ...
Ubuntu

Linux Kernel 7.3 RC2 is Officially Released: Here’s What’s New

Linus Torvalds has announced the second release candidate (RC2) for the upcoming Linux Kernel 7.3 version on Sunday, September 06, 2026. While the second release candidate is historically the quietest ...
OSTechNix

Ubuntu Telemetry: What Ubuntu Collects and How to Disable It

Learn what Ubuntu telemetry collects, including Ubuntu Report and Insights, how to disable telemetry, and how to harden Ubuntu Linux.
OSTechNix

Paint.NET Can Now Run on Linux: Here’s How to Install It in Ubuntu

Paint.NET can now run on Linux with experimental Wine support. Here’s how to install Paint.NET 5.2 Alpha on Ubuntu 26.04 ...
Ubuntu

Self-host n8n

OSTechNix (Open Source, Technology, Nix*) regularly publishes the latest news, how-to articles, tutorials and tips & tricks about free and opensource software and technology.