Inexpensive setup – for personal use

Long are gone the days we all used to run servers on a shelve at home. Be it because energy is more expensive, family growing requires more space, or to avoid the heat and noise, we (geeks) end up converging our infrastructure and shrinking it as much as we can without losing the ability to […]

An excellent Battery Status for your Ubuntu Laptop (not exclusively)

I recently revived one of my older MacBooks ( an early 2013 13″ pro ) by installing Ubuntu 20.04 to it. We are dealing with an older laptop, still running on its original battery; because of that, I decided to look for a terminal program that would provide me with the kind of information I […]

A bit of thought about RAID

I was often confronted with people’s assumptions about RAID arrays in past job roles. Thinking of those conversations, I decided to write a small and human-readable (I believe) article about this. Let’s start by explaining what Hardware RAID is. A RAID array-based in hardware requires a controller (AKA RAID Controller) physically installed in the system. […]

RAID levels

RAID 0 (also known as striping) RAID 0 will use any number of disks and merge them, creating one large logical volume. They are usually used to achieve high speeds. Such is possible because reading and writing happen from multiple disks simultaneously. However, this has a cost. RAID 0 does not offer redundancy at all. […]