Nautilus browsing large windows share is slow

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

The improved differential amplifier (based on current mirror)

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)

Increasing Android mobile network stability

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

Jugaad takes agile to the extreme

Introduction Jugaad is an attitude towards delivery which originated in India and consists of three simple tenets: Humility: use whatever works without prejudiceOpenness: keep your options openFrugality: small expenses keep regrets small Jugaad is agility taken to the extreme and most suitable for projects with a high degree of change, risk and uncertainty. Nothing demonstrates … Continue reading Jugaad takes agile to the extreme

Cloud vs. on-premises is about shaping risk

TL;DR: moving to the public cloud consolidates many small risks into few large ones. A recent GCP cloud outage (https://status.cloud.google.com/incident/cloud-networking/20004) highlights an issue with running more and more parts of the internet on the same infrastructure: as more computing resources consolidate in large cloud providers' data centres, the risk of a significant, global outage of … Continue reading Cloud vs. on-premises is about shaping risk