What is FreeNAS? Leverage the Power of OpenZFS
If you're reading this, you're likely familiar with NAS, or Network-Attached Storage. NAS boxes are slightly dumb, or if you prefer, highly-focused file servers. I.e. they store data and allow access to it over...
What is Ext4? Linux’s Fast Native File System
Before we answer the question posed by this article, a bit of background will be required. Ext4 is only the latest, albeit not particularly new, iteration of the venerable Linux Extended file system (Extfs).
What...
What is ZFS? The File System other File Systems Aspire to
File systems are what make organized data storage possible, and quite a few have appeared over the years: FAT32, exFAT, NTFS, Ext2/3/4, Btrfs, HFS, APFS, etc. However, there's one file system that outshines them...
What is RAID 10? Speed and Fault Tolerance
RAID (Redundant Array of Inexpensive Disks) is the combining of multiple disks to mimic a single physical storage device. Depending on the type, or "level", RAID increases performance, capacity, or fault tolerance, or some...
ExpressVPN Review: How Does It Perform (and How to Install) on Ubuntu?
ExpressVPN is considered one of the top-tier VPN products. We install it on Ubuntu 21.04 and use it from the command-line and from within a browser. How does it shape up?
What is VPN?
A Virtual Private...
What is RAID 5? Good Speed, Safety through Parity
RAID (Redundant Array of Inexpensive Disks) is the combining of multiple disks to mimic a single physical storage device. Depending on the type, or "level", RAID can increase performance, capacity, fault tolerance, or combinations...
What is UnRAID? Outstanding Capacity with Parity
There are a number of NAS operating systems out there, including several based on the BSD (Berkeley System Development) operating system. Most are proprietary to the vendor, but several are not. The most unique...
What is RAID 1? Simple, Safe, and Easy
RAID (Redundant Array of Inexpensive Disks) is the combining of multiple disks to mimic a single physical storage device. Depending on the type, or "level", RAID increases performance, capacity, or fault tolerance, or in...
What is a Trojan Virus? A Master of Disguise
What is a Trojan virus? An impostor, a saboteur, and a master of disguise. But it isn’t actually a virus. Find out how this masquerading malware operates, and keep your systems safe.
What is...
Signal Messenger: Simple Security, Guaranteed Privacy, Great Functionality
In our hyper-connected, always-on world, privacy is in everyone’s thoughts. Instant messaging is the dominant tool for remote conversations. How can we use instant messaging and maintain our privacy? By using Signal.
Signal Messenger
Signal is...














