George Georgovassilis writes about information technology architecture
We come for the star ships but we stay for the alien cultures.I Sci-Fi is about ideas Science Fiction takes place in a setting of great scientific advancements. That is usually, but not necessarily ("a long time ago in a galaxy far, far away") the future. This is a future of intelligent machines, powerful weapons … Continue reading Plausible Science Fiction is anticlimactic
When browsing large windows (samba) shares with Ubuntu Nautilus (that's the equivalent of the Windows File Explorer) I observed that shares which include many files and directories (a few hundred) take a few seconds to browse over WiFi, but almost instantly display over a fast LAN. A similar difference in speed is noticeable when searching … Continue reading Nautilus browsing large windows share is slow
This circuit is an improved version of the differential amplifier built with a current mirror from last year. The previous circuit suffered from a design flaw which I realised only when trying to actually build the circuit with hardware: the collector resistors are way too small (actually 0Ω) for a sensitive circuit. The current going … Continue reading The improved differential amplifier (based on current mirror)
My habitation/network carrier/phone combination-situation results sometimes in slow or no internet on my Android phone. I'll talk about a hidden setting which, when properly configured, can increase network stability on an Android phone. Please read the entire post before trying anything, there are severe caveats. Understanding the problem I've had Android phones since 2.2 and … Continue reading Increasing Android mobile network stability
I don't know how I never noticed this, but the mechanical hard disks in the perfect NAS emit a clicking noise at regular intervals that never stops. The NAS runs Ubuntu 18.04 server, an md software RAID 6 with dmcrypt on top, formatted with ext4. Disk I/O is way too low to show anything useful … Continue reading Constant disk access with ext4 caused by kmmp
