Analysis of Website Performance

, 4 min read

1. Problem statement. I had written on website performance and measurement here: Speed-Tests with Pingdom.com Bandwith Diet for This Blog Accelerating Page Load Times by Reducing Requests Accelerating Page Load Times by Reducing Requests, Part #2 The overall lessons were: Measure your website…

Exploring Cloudflare Workers

, 4 min read

1. Terminology. Cloudflare offers a service called "Cloudflare Pages". It is two things: Provide ample space for static content: HTML + CSS + images + PDF + etc. Provide a JavaScript execution environment on the edge Part #1 alone would be a good thing. I have written on this here…

Twitter: Infinite Loop on Logout

, 1 min read

At 04-Aug-2022 06:52:19 I ended up in an infinite loop at Twitter: I could not log-out, but I could also not continue. The remedy was nevertheless easy, I simply had to correct the URL to twitter.com again. It is noteworthy that even a large internet company like Twitter produces these kinds of…

Nima Badizadegan on Cloud Computing

, 5 min read

Nima Badizadegan, an electrical engineer, who previously worked almost three years for Google, wrote Use One Big Server on his blog. He talks on cloud computing, not specially on cloud storage. He starts with a description of a cloud machine from Microsoft Azure having an AMD CPU with 64 core, 128…

Simplified Saaze now part of Jamstack listing

, 1 min read

Since Thu, 04-Aug-2022, Simplified is now officially part of the Jamstack list: Site Generators -- A List of Static Site Generators for Jamstack Sites. I had requested a merge on 21-Feb-2022, and now almost half a year later Netlify reacted and added the entry. Good to see Simplified Saaze next to…

Hosting Static Content with Cloudflare

, 4 min read

I wrote about hosting static sites on various platforms: Hosting Static Content with surge.sh Hosting Static Content with now.sh, now.sh renamed themself to vercel.app Hosting Static Content with netlify.app Since end of 2021 Cloudflare greatly enhanced their static site offering: Cloudflare…

npm error: must provide string spec

, 1 min read

I tried to install some npm packets with npm install. This failed with error npm install npm ERR! must provide string spec Looking into the source of the error in the entire npm under /lib/node_modules/npm: node_modules/@npmcli/arborist/lib/edge.js 51: throw new TypeError('must provide string…

Josep Stuhli On Scaling to 20 Million Users

, 3 min read

Josep Stuhli is CTO of SofaScore. SofaScore has live scores from more than 600 soccer leagues world wide. According SimilarWeb it has around 50-100 million totals visits per day. Headquartered in Zagreb, Croatia, most users come from Brazil, Italy, USA, and GB. On DORS/CLUC 2022, a Linux and free…

Example Theme for Simplified Saaze: Koehntopp

, 4 min read

Simplified Saaze is the static site generator, which is used to generate this blog. So far, there are two example themes for Saaze. Saaze Example: By design, this design is very simple. Saaze J-Pilot: This design contains top-menus with sub-menus, pages in English and German, a blog, responsive…

Example Theme for Simplified Saaze: J-Pilot

, 1 min read

Simplified Saaze is the static site generator, which is used to generate this blog. So far, there was one example theme for Saaze: Saaze Example. This example was, by design, very simple. Now there is another theme, which showcases Simplified Saaze. It's called the J-Pilot theme. You can see it in…

Breaking Vodafone Router

, 1 min read

In Aggressive Vodafone Router I already mocked about the software quality of the Vodafone router TG3442DE: software in this router was stone old, configuration was user unfriendly. In continuation of this: this router broke on 03-Jun-2022. No reboot or power off and power on method helped to make…

Decompressing ZIP Files on Mainframe

, 5 min read

Unfortunately classical mainframe has no builtin decompressing software for ZIP files. What you could do: Transfer ZIP file to USS, decompress and unpack there, then copy back to MVS. To do it directly on MVS you need to purchase a separate utility to do this. One utility is FLAM, Frankenstein…

eklausmeier.goip.de down

, 1 min read

Since Friday, 10-Jun-2022, till Tuesday, 14-Jun-2022, eklausmeier.goip.de was down as the internet modem+router was defective. This downtime was unplanned. Now online again. Dates from UptimeRobot. Uptime robot reported downtime starting: 2022-06-10 12:23:16 UTC+1 Uptime robot report machine up…

Upgrading OnePlus Five to Oppo Reno4

, 4 min read

I upgraded my smartphone OnePlus Five to Oppo Reno4 Pro 5G. The OnePlus Five smartphone has a Qualcomm Snapdragon 835 CPU, while the newer Oppo smartphone uses a Qualcomm Snapdragon 765. I paid 347.17 EUR for the Oppo phone, which I bought at Amazon. I paid 499 EUR in June 2017 for the OnePlus…

Lufthansa Air Tracker

, 1 min read

In Air France Air Tracker I wrote about the air tracking in Air France jets. When I flew with Lufthansa from Frankfurt to Krakow I checked for Wifi on plane and found FlyNet. I didn't book any internet tariff, but found the air tracking interesting. In contrast to Air France the seats offered no…

Multi Tenancy MS-Teams

, 1 min read

Task at hand: Work with multiple accounts using MS-Teams. Currently MS-Teams does not allow to seamlessly switch between multiple accounts. For example, if you have a private MS-Teams account and a company account, you can not switch easily between those two. The Pidgin instant message client…

Upgrade AMD Bulldozer to Cezanne

, 3 min read

I upgraded my desktop computer from AMD Bulldozer FX 8120 to AMD Cezanne 5700G. I also upgraded from a hard drive to M.2 SSD storage, upgraded from 16 GB DDR3 to 64 GB DDR4, upgraded from 21″ to 32″ 4K monitor. I bought the hardware from Mindfactory. Part # Single/€ Sum/€ ASRock X570…

Copy Arch Linux to SSD

, 6 min read

Task at hand: Copy existing Arch Linux installation to new SSD. 1. Partitioning. Partition new SSD. For example use gparted. After partitioning you should have something like # parted /dev/nvme0n1 GNU Parted 3.5 Using /dev/nvme0n1 Welcome to GNU Parted! Type 'help' to view a list of…

Various Quotes from Kristian Köhntopp

, 3 min read

Below posts from Kristian Köhntopp specifically talk about cloud, costs, and performance. I collected these quotations as "proof" that cloud is not always a cheaper solution compared to on-prem. Kristian Köhntopp worked as system- and database-administrator, security engineer,…

Mindmaps in Saaze

, 1 min read

This blog runs using Simplified Saaze. Simplified Saaze now provides mindmaps. They are provided via markmap from Gerald Liu. Syntax is: [markmap] # H1 ## H2a ## H2b ### H3 #### and so on [/markmap] This will look like this: # H1 ## H2a ## H2b ### H3 #### and so on You can click on the circles…