When you stream your favorite Netflix show without buffering, you’re witnessing the power of FreeBSD in action. Behind the scenes of every seamless streaming experience lies one of the most impressive FreeBSD deployments in the world – Netflix’s Open Connect CDN, which delivers terabits of data per second to millions of viewers across 190+ countries.

The Challenge: Scaling to Global Proportions

Netflix faced a monumental challenge as streaming demand exploded globally. They needed an operating system that could handle massive traffic volumes while maintaining rock-solid stability and performance. The solution had to be flexible enough for extensive customization and optimization to meet Netflix’s unique operational requirements.

The stakes were high. As Gleb Smirnoff, Netflix’s skilled FreeBSD engineer, puts it: “We are one of the biggest sources of traffic on the internet – sending terabits per second, powered by thousands of servers or appliances, all running FreeBSD.”

The FreeBSD Solution: Why Open Source Won

Netflix didn’t just adopt FreeBSD – they embraced it completely. Starting with a proof-of-concept CDN built on FreeBSD 9.0-RELEASE in 2012, Netflix quickly realized that achieving their ambitious growth targets required pushing beyond standard operating system capabilities.

Here’s the key insight that changed everything: Netflix discovered that even a single percentage point increase in CDN performance translates to hundreds of thousands of dollars in savings. This made investing in FreeBSD’s ongoing development not just worthwhile, but essential.

The Bold Decision: Tracking FreeBSD-CURRENT

While many organizations play it safe with stable releases, Netflix made a counterintuitive choice that paid off massively. Drew Gallatin, a FreeBSD veteran with over 25 years of experience, explains their strategy:

“We decided what we were doing was silly, and what we should do is track FreeBSD-CURRENT. It sounds crazy because that’s where everybody pushes all their stuff, but it’s actually the best thing in the world for us.”

This approach allows Netflix to catch regressions immediately rather than discovering problems years later. As Gallatin notes: “When we run FreeBSD-CURRENT, we catch things really fast. If there’s some regression, we catch it right away.”

Performance Breakthroughs: What FreeBSD Enabled

Netflix’s FreeBSD implementation has achieved remarkable performance milestones:

400 Gb/s Throughput: Netflix operates the world’s first 100+ gigabit per second production CDN servers, achieving 375 Gb/s at 53% CPU utilization.

Kernel TLS Innovation: By moving TLS processing from user applications to the kernel, Netflix eliminated memory bandwidth bottlenecks and preserved the efficient sendfile pipeline. This breakthrough enabled their record-breaking throughput.

RACK TCP Stack: Netflix contributed to developing RACK (Recent ACKnowledgment), improving TCP performance and reliability for high-volume data transmission.

Asynchronous Sendfile: Netflix’s optimizations enable non-blocking data transfers that dramatically improve network throughput.

The Open Source Advantage: Community Collaboration

What sets Netflix apart isn’t just their technical achievements – it’s their commitment to the FreeBSD community. Rather than keeping their innovations proprietary, Netflix actively contributes improvements upstream.

Smirnoff emphasizes this philosophy: “It’s crucial to reduce the divergence of your operating system to FreeBSD, which means that you need to upstream your changes.”

This approach creates a virtuous cycle:

• Netflix benefits from community development
• The FreeBSD community gains battle-tested improvements
• Everyone wins from enhanced performance and stability

Key community contributions include:

• Kernel TLS implementation (collaboration with Chelsio and Mellanox)
• Advanced VM page caching techniques
• Performance optimizations tested at massive scale
• Hardware acceleration support for various network cards

Why FreeBSD Was the Right Choice

Netflix’s success with FreeBSD demonstrates several key advantages of the operating system:

Scalability: Handles terabits per second of traffic across thousands of servers Performance: Enables record-breaking throughput with efficient resource utilization
Flexibility: Allows deep kernel-level customization and optimization Stability: Provides rock-solid reliability for mission-critical infrastructure Community: Benefits from active development and collaborative innovation Cost-Effectiveness: Open source licensing eliminates expensive per-server fees

Lessons for Your Organization

Netflix’s FreeBSD journey offers valuable insights for any organization considering FreeBSD:

Start Early: Engage with the FreeBSD community from the beginning to maximize benefits Test Rigorously: Implement comprehensive testing frameworks to catch issues quickly Contribute Back: Share improvements with the community to reduce technical debt Stay Current: Track recent developments to benefit from latest innovations Think Long-term: Strategic FreeBSD adoption pays dividends at scale

The Future is FreeBSD

Netflix’s success story is just the beginning. Their commitment to FreeBSD demonstrates that open source solutions can power the world’s most demanding applications. By choosing FreeBSD, Netflix didn’t just solve their CDN challenges – they helped advance the entire ecosystem.

As streaming continues to grow globally, Netflix’s FreeBSD-powered infrastructure stands ready to deliver. Every show you watch, every movie you stream, every seamless experience you enjoy is powered by the reliability, performance, and innovation that FreeBSD makes possible.

Ready to Experience FreeBSD’s Power?

Whether you’re building the next global CDN or optimizing your current infrastructure, FreeBSD offers the performance, stability, and community support to help you succeed. Netflix’s journey from a simple proof-of-concept to the world’s fastest CDN proves that FreeBSD scales with your ambitions.

Ready to get started? Download FreeBSD today and join the community that’s powering the future of high-performance computing.

The FreeBSD Foundation provides support for organizations adopting FreeBSD. Contact them for technical guidance, implementation assistance, and community connections that can accelerate your FreeBSD journey.

The post How Netflix Powers the World’s Fastest Content Delivery Network with FreeBSD appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

FreeBSD is a powerful and stable UNIX-like operating system renowned for its performance, security, and advanced networking features. While it’s widely used for servers and firewalls, it also makes an excellent choice for running a home media server. In this guide, I’ll walk you through how to set up FreeBSD as a media server from scratch.

Whether you’re streaming movies via Plex or Jellyfin, serving audio through DLNA, or just organizing your media over SMB/NFS, FreeBSD offers a clean and minimal platform to build on — free of bloat and with full control.

Prerequisites

• A spare computer or VM with at least:
  • 2 CPU cores
  • 4GB RAM (8GB+ recommended for transcoding)
  • 100GB+ storage (depending on your media collection)
• Internet connection
• A basic understanding of terminal commands

Step 1: Installing FreeBSD

1. Download the ISO
   • Visit https://www.freebsd.org/ and download the latest stable release (e.g. FreeBSD 14.0) ISO under the amd64 architecture.
2. Create a Bootable USB sudo dd if=FreeBSD-14.0-RELEASE-amd64-disc1.iso of=/dev/sdX bs=1M (Replace /dev/sdX with your USB device)
3. Boot & Install
   • Boot into the USB.
   • Follow the guided install:
     • Set hostname (e.g. media-server)
     • Use ZFS as the filesystem for features like snapshots
     • Enable sshd, ntpd
     • Create a user (e.g. piju) and add to the wheel group
4. Reboot and login

Step 2: Post-Install Setup

1. Update the system sudo freebsd-update fetch install sudo pkg update && sudo pkg upgrade
2. Install essential tools sudo pkg install sudo nano tmux htop
3. Allow your user to use sudo echo 'piju ALL=(ALL) NOPASSWD: ALL' | sudo tee -a /usr/local/etc/sudoers.d/piju

Step 3: Install Media Server Software

Option 1: Plex Media Server (Proprietary)

sudo pkg install plexmediaserver
sudo sysrc plexmediaserver_enable=YES
sudo service plexmediaserver start

Access via browser:
http://<your_ip>:32400/web

Option 2: Jellyfin (Open Source)

Install from packagesite:

sudo pkg install jellyfin
sudo sysrc jellyfin_enable=YES
sudo service jellyfin start

Access via browser:
http://<your_ip>:8096

Option 3: Emby (Optional Alternative)

Download .txz package from https://emby.media/ and install manually.

Step 4: Add Your Media

1. Create media directories:

sudo mkdir -p /mnt/media/{movies,tv,music}
sudo chown -R media:media /mnt/media

2. Mount storage (if using a separate drive):
   Edit /etc/fstab and mount your drive (e.g., /dev/ada1p2) to /mnt/media.
3. Point your media server (Jellyfin/Plex) to these directories in the web UI.

Step 5: Optional – Enable Sharing Over Network

DLNA Server (MiniDLNA)

sudo pkg install minidlna
sudo sysrc minidlna_enable=YES
sudo service minidlna start

Edit /usr/local/etc/minidlna.conf to point to your media directories.

SMB (Samba)

sudo pkg install samba413
sudo sysrc samba_server_enable=YES
sudo service samba_server start

Configure /usr/local/etc/smb4.conf and add your user with smbpasswd -a piju.

Step 6: Secure Remote Access

• Set up SSH key-based login
• Change default SSH port (in /etc/ssh/sshd_config)
• Optionally install fail2ban (via ports or manually)

Bonus Tips

• Set up ZFS snapshots for backup and rollback
• Install transmission-daemon for torrents
• Monitor storage with zpool list and df -h
• Use smartmontools for drive health checks

Conclusion

FreeBSD may seem unconventional for a media server, but it provides unmatched control, performance, and security — with no background bloatware. Once you get familiar with its ecosystem, it becomes a solid and long-lasting foundation for any home server project.

If you prefer minimalism, stability, and advanced file systems like ZFS, FreeBSD is an excellent choice for your media streaming needs.

The post How to Use FreeBSD as a Media Server: A Lightweight, Rock-Solid Solution appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

If you’re looking for a low-power, always-on solution for streaming your personal media library, the Raspberry Pi makes a great Plex server. It’s compact, quiet, affordable, and perfect for handling basic media streaming—especially for home use.

In this post, I’ll guide you through setting up Plex Media Server on a Raspberry Pi, using Raspberry Pi OS (Lite or Full) or Debian-based distros like Ubuntu Server.

What You’ll Need

• Raspberry Pi 4 or 5 (at least 2GB RAM, 4GB+ recommended)
• microSD card (32GB+), or SSD via USB 3.0
• External storage for media (USB HDD/SSD or NAS)
• Ethernet or Wi-Fi connection
• Raspberry Pi OS (Lite or Desktop)
• A Plex account (free is enough)

Step 1: Prepare the Raspberry Pi

1. Flash Raspberry Pi OS using Raspberry Pi Imager
2. Enable SSH and set hostname (optional)
3. Boot the Pi, log in, and update:

sudo apt update && sudo apt upgrade -y

Step 2: Install Plex Media Server

Plex is available for ARM-based devices via their official repository.

1. Add Plex repo and key:

curl https://downloads.plex.tv/plex-keys/PlexSign.key | sudo apt-key add -
echo deb https://downloads.plex.tv/repo/deb public main | sudo tee /etc/apt/sources.list.d/plexmediaserver.list
sudo apt update

2. Install Plex:

sudo apt install plexmediaserver -y

Step 3: Enable and Start the Service

Enable Plex on boot and start the service:

sudo systemctl enable plexmediaserver
sudo systemctl start plexmediaserver

Make sure it’s running:

sudo systemctl status plexmediaserver

Step 4: Access Plex Web Interface

Open your browser and go to:

http://<your-pi-ip>:32400/web

Log in with your Plex account and begin the setup wizard.

Step 5: Add Your Media Library

Plug in your external HDD or mount a network share, then:

sudo mkdir -p /mnt/media
sudo mount /dev/sda1 /mnt/media

Make sure Plex can access it:

sudo chown -R plex:plex /mnt/media

Add the media folder during the Plex setup under Library > Add Library.

Optional Tips

• Transcoding: The Pi can handle direct play (no transcoding) well, but struggles with transcoding large files. Use compatible formats like H.264 (MP4).
• USB Boot: For better performance, boot the Pi from an SSD instead of a microSD card.
• Power Supply: Use a proper 5V/3A PSU to avoid crashes under heavy disk load.
• Thermal: Add a heatsink or fan for the Pi if using Plex for long sessions.

Secure Your Server

• Use your router to forward port 32400 only if you want remote access.
• Set a strong Plex password.
• Enable Tailscale or WireGuard for secure remote access without exposing ports.

Conclusion

A Raspberry Pi might not replace a full-blown NAS or dedicated server, but for personal use or as a secondary Plex node, it’s surprisingly capable. With low energy usage and silent operation, it’s the perfect DIY home media solution.

If you’re running other services like Pi-hole or Home Assistant, the Pi can multitask well — just avoid overloading it with too much transcoding.

The post Building a Plex Media Server with Raspberry Pi appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

Those who visited a HST will certainly remember his singing
performances, which have become a fixed part of the final ceremonies of
each event for the last ten years.

1.
EVERY MORNiNG, EVERY DAY,
EVERY NiGHT ON VARiOUS WAVES
WE TRANSMiT "CQ",
THE RESPONSE WiLL COME.
WE ARE YOUNG AND WE ARE OLD
FROM ALL AROUND OUR BEAUTiFUL WORLD.
WE ARE HAMS, WE ARE HAMS,
WE ARE PROUD, THAT WE ARE HAMS.
REFRAiN:
FLY MY CALLSiGN ACROSS THE COUNTRiES,
FLY AROUND THE EARTH!
THE RESPONSE WiLL COME TRUE.
WE ARE THE PEOPLE THAT UNiTE THE WORLD.
A BROTHERHOOD OF ALL MEN iS ME AND YOU.
2.
THERE ARE NO BORDERS FOR US,
IT'S NOT A SUBJECT TO DiSCUSS.
WE CAN MAKE THiS WORLD A LiTTLE BETTER.
PEOPLE KNOW - HAMS iS OUR NAME,
WE'RE SO DiFFERENT, BUT WE ARE THE SAME.
WE ARE HAMS, WE ARE HAMS,
WE ARE PROUD, THAT WE ARE HAMS.

REFRAiN.

WE ARE HAMS, WE ARE HAMS,
WE ARE PROUD, THAT WE ARE HAMS.

REFRAiN,REFRAiN.

FLY MY CALLSiGN ACROSS THE COUNTRiES, 
FLY AROUND THE EARTH!                 /  x3

The post We Are Hams Song by Volodymyr Ivanov (UT1IJ) appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

credits to http://cerahjeff.blogspot.com

The post Kelantanese Doraemon Comic Part 2 appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

Yes, i grew up with Doraemon’s imaginations. Thanks to Fujiko Fujio R.I.P, you are beyond your time.

Credits to http://cerahjeff.blogspot.com

The post Kelantanese Doraemon Comic appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

The post Morse Code Of Love – The Capris appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.