George Georgovassilis writes about information technology architecture
My first computer was a low-end PC which came with a 3M "Happy" office suite (my term, I have no documentation of the thing). It consisted of two 5,14 inch diskettes, one with "3M Happy Text" and one with "3M Happy Fakt" (German version). I don't remember anything about Happy Fakt, but I recall 3M … Continue reading 3M Happy Text
In Building the perfect, cheap NAS I discuss bit rot which silently kills digital archives; my solution chosen back then builds on parchive which adds in a manual process redundancy to archives. This redundancy can be used to identify and correct bit rot to some extent. The issue with this approach is that it's manual … Continue reading RAID + dm-integrity vs bit rot
On a rather hefty rsync job between two local ext4 filesystems, writing on the target (a mechanical hard drive which should be able to sustain 100 mb/s) would fluctuate strongly (between 0 mb/s and 160 mb/s) and effectively slow down to a few mb/s on average after a few minutes. While I didn't find the … Continue reading Slow rsync on ext4 filesystem
TL;DR: team must match information- and command flow. Team organisation is a conscious effort Early in my career at Accenture a management class discussed methods for building teams by aligning team capabilities with their mission statements. Which is a bloated way of saying "we made sure we had the right skills for the job". Back … Continue reading Team organisation by capabilities
An Ubuntu 20.04 laptop installation started not being able to resolve the names of hosts in the same local network. Although the host names were registered with the router, the laptop wouldn't be able to resolve those host names. Surprisingly, neither netbios resolution worked (although nbtscan would find those hosts). The solution is to bypass … Continue reading Ubuntu 20.04 not resolving local network hostnames
George's Techblog 