Installing the Garmin ConnectIQ SDK

Yesterday I ordered a Garmin v√≠voactive 3. At ¬•15200 it was hard to not get one. As Garmin has an app store for their watches and there’s also a developer forum and of course an SDK, the next obvious step was to install that SDK. Installing the ConnectIQ SDK Get it from here. It seemsContinue reading “Installing the Garmin ConnectIQ SDK”

ELK with HTTPS

The previous blog entry lacked using https so all communication is in plain text, which makes using passwords less than ideal. This blog entry fixes this. The full source code for the docker-compose.yml and haproxy.cfg file is available here. docker-compose.yml What’s this docker-compose file doing? It starts 2 containers: the ELK container and the HAProxyContinue reading “ELK with HTTPS”

Logging via ElasticSearch

The Elastic Stack is a simple way to log “things” into ElasticSearch and make them nicely visible via Kibana. Since ELK can handle logs as well as time series data, I’ll use it for my own logging incl. performance logging. For pure time series data I’d use the TIG stack: Telegraf, InfluxDB and Grafana. InstallingContinue reading “Logging via ElasticSearch”

The Inner Workings Of SSDs

Found a most interesting article series about how SSD internally work: http://codecapsule.com/2014/02/12/coding-for-ssds-part-1-introduction-and-table-of-contents/ It goes quite deep, e.g. explains the internal structure of FLASH memory as well as how the Flash-Translation-Layer (FTL) works. I have not see any such detailed description yet. A Bit Related hdparm works well doe SCSI disks (or disks which behave likeContinue reading “The Inner Workings Of SSDs”

OKR – I like it!

Objective – Key Results (OKR) is a way to align teams to move towards a common goal. OKRs are result-oriented: It’s not prescriptive how to do something as that’s left to the implementing team. There’s a clear connection between objective and key results. KPIs (Key Performance Indicators) and goals which come down from management onContinue reading “OKR – I like it!”

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