In 5 days....ie Wednesday 10 Dec, will be the monthly general SLUUG mtng. Please pass the word to your friends & coworkers!! *MAIN Topic:* *"btrfs"* by *Lee_Lammert* <https://www.google.com/url?q=https://www.sluug.org/bio/Lee_Lammert&sa=D&source=calendar&usd=2&usg=AOvVaw1zJdyS9F6qtGRX3OETuxUW> . *btrfs 100* → Intro / Fundamentals (for general Linux admins) *btrfs 200* → Intermediate / Practical Ops (for sysadmins using Snapper, subvolumes, RAID) These will prepare you for the btrfs 500 that will be upcoming at a future mtng in a week or a month. *btrfs 500* → Deep Internals / Engineering Analysis (for kernel-savvy, filesystem experts) What it is: Btrfs (*B*-*TR*ee *F*ile*S*ystem) is *a* *modern**,* *copy**-**on**-**write* *(**COW**)* *file* *system* *for* *Linux* that focuses on fault tolerance, easy administration, and advanced features like snapshots, built-in volume management, data checksums for self-healing, and transparent data compression. It supports multiple disks and RAID 0, 1, 10 configurations, and includes features like online resizing and defragmentation. Key features - Copy-on-Write (COW): - Snapshots: - Self-healing: - Volume management: - Data compression: =≠=≠=≠=≠≠≠====≠ The basic TUTORIAL will be ... *BASIC Tutorial: **What is a Router / Firewall?* by *Grant Taylo* <https://www.google.com/url?q=https://www.sluug.org/bio/Grant_Taylor&sa=D&source=calendar&usd=2&usg=AOvVaw3U_U07yFRWkEcq5yYvuhbX> r What are they? Why do you need/want them? Can I just take a Linux box and turn it into a router/firewall? Or should I buy one new off the shelf? Where does it go in your network?