online since 1994 https://heikkisiltala.net/wiki/ 2026-04-04T18:36:34+00:00 https://heikkisiltala.net/wiki/ https://heikkisiltala.net/wiki/_media/wiki/logo.png text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/dedicated_or_virtual_server?rev=1677105451&do=diff A dedicated server or a virtual server These are my notes on choosing between Hetzner's Dedicated Server EQ 4 and Virtual Private Server VQ 19. This was written in 2011 so this may not reflect the current similarities and differences between the two server types. text/html 2023-02-20T23:37:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/postgresql_vs_sqlite?rev=1676936233&do=diff PostgreSQL vs SQLite Written in 2011. If you need a very fast relational database for a limited amount of data (up to some gigabytes) and don't need scalability on concurrent writes then SQLite is for you. It is a cleverly designed ultra-lightweight ACID compliant relational database that requires no administration. text/html 2023-09-22T21:31:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/one_disk_nas?rev=1695418296&do=diff Creating a small NAS server based on OpenMediaVault The initial version written 2020-07-15. Latest update 2020-08-01. See a separate page for long-term impressions. My goal was to create a small and simple network attached storage (NAS) server to serve as a file sharing server between devices connected to home network. The performance requirements for this system were low. I wanted to file storage to be encrypted. text/html 2023-10-11T17:51:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/mixing_static_and_dynamic?rev=1697046717&do=diff Building a website mixing static and dynamic techniques An ongoing writing process. Started 2021-07-12. Latest update 2023-10-11. From where do we start I'm a content creator, maintainer, developer and webmaster of a few websites purely as a hobby. text/html 2023-02-26T05:16:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/seagate_external_hardrive_issues?rev=1677388611&do=diff Seagate Expansion Desktop performance issues and fixes Page created 2018-01-04. Last updated 2018-01-05. I had some issues with a brand new Seagate Expansion Desktop 4TB USB 3 hard drive (STEB4000200). Here are the issues and how they were fixed. Issue 1: Drive is extremely slow right from the beginning text/html 2023-02-20T23:37:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/framework_comparison?rev=1676936233&do=diff Perl MVC frameworks: Catalyst, Dancer, Mojolicious Written in 2010. I used all the three Perl MVC frameworks (Catalyst, Dancer and Mojolicious) during this project. I started the project with Catalyst and implemented some of the core features and content pages with it. Then I started a side project to test Dancer framework. When the project started I found Mojolicious not to be mature enough for this system. But it developed a lot and later I decided to switch from Catalyst to Mojolicious. The… text/html 2023-02-24T21:59:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/inside_sotkanet?rev=1677275965&do=diff Inside SOTKAnet This article was written in 2005. SOTKAnet indicator bank is a public accessible web information service that publishes detailed information on well-being and health in Finland. SOTKAnet was launched by STAKES, the National Research and Development Centre for Welfare and Health, on Monday 14th March 2005 at text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/cognos_bi?rev=1677105451&do=diff The automatic IBM Cognos BI Motto: Run your Business Intelligence, don't let your Business Intelligence run you! Written in 2013. I've been working with IBM Cognos BI (Business Intelligence) system for some years. Our application area for the BI system differs from typical application areas: we use it to provide public internet reporting and OLAP analysis tools. These are based on data extracted from our registers and other statistical data sources. text/html 2023-02-26T17:32:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/catz/system_description?rev=1677432730&do=diff About the design and implementation of Catz Written in 2011 so may contain outdated information. The key attributes * The service is stateless: the HTTP GET request's URL identifies the resource requested. There are no cookies nor sessions. * The public access is dynamic but read only. All data is loaded offline by a loader sumsystem. text/html 2023-10-25T15:51:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_ax_41_2020?rev=1698249104&do=diff Server benchmark 2020: Hetzner AX41 Dedicated Server 2020 * 2020 * AMD Ryzen 5 3600 Hexa-Core Simultaneous Multithreading * 64 GB DDR4 RAM * 2 x 2 TB SATA Enterprise HDD (software-RAID 1) * Connection 1 Gbit/s-Port * Guaranteed Bandwidth 1 GBit/s text/html 2023-10-25T16:21:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_ax_41_2023?rev=1698250892&do=diff Server benchmark 2023: Hetzner AX41 Dedicated Server * 2023 * AMD Ryzen 5 3600 Hexa-Core “Matisse” (Zen2) * 64 GB DDR4 RAM * The specification is 2 * 2 TB SATA 6 Gb/s Enterprise HDD; 7200 rpm (Software-RAID 1) * Delivered with 2 * 6 TB SATA 6 Gb/s Enterprise HDD text/html 2023-10-25T15:42:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_cpx_21_2020?rev=1698248555&do=diff Server benchmark 2020: Hetzner CPX21 Cloud Server * 2020 * 3 vCPU * 4 GB RAM * 80 GB Local NVMe SSD * 20 TB Traffic * 0.014 €/h * 8.56 €/mo * <https://www.hetzner.de/> * Debian 10.4 64 bit * Tests run 2020-05-27 Full test ======================================================================== BYTE UNIX Benchmarks (Version 5.1.3) System: ******: GNU/Linux OS: GNU/Linux -- 4.19.0-8-amd64 -- #1 SMP Debian 4.19.98-1+deb10u1 (2020-04-27) Machine: x86_64 (unknown)… text/html 2023-10-25T15:45:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_cx_21?rev=1698248747&do=diff Server benchmark 2019: Hetzner CX21 Cloud Server * 2019 * 2 vCPU * 4 GB RAM * 40 GB Local NVMe SSD * 20 TB Traffic * <https://www.hetzner.de/> * Debian 10.1 64 bit * Tests run 2019-09-22 Full test ======================================================================== BYTE UNIX Benchmarks (Version 5.1.3) System: *******: GNU/Linux OS: GNU/Linux -- 4.19.0-5-amd64 -- #1 SMP Debian 4.19.37-5+deb10u2 (2019-08-08) Machine: x86_64 (unknown) Language: en_US.utf8 (ch… text/html 2023-10-25T15:44:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_ex_40?rev=1698248656&do=diff Server benchmark 2014: Hetzner EX 40 Dedicated Server * 2014 * Intel® Core™ i7-4770 Quadcore Haswell incl. Hyper-Threading Technology * 32 GB DDR3 RAM * Hard Drives 2 x 2 TB SATA 6 Gb/s 7200 rpm (Software-RAID 1) Class Enterprise * Connection 1 Gbit/s-Port text/html 2023-10-25T15:44:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_ex_40_ssd?rev=1698248645&do=diff Server benchmark 2013: Hetzner EX 40 SSD Dedicated Server * 2013 * Intel® Core™ i7-4770 Quadcore Haswell incl. Hyper-Threading Technology * 32 GB DDR3 RAM * Hard Drives 2 x 240 GB SATA 6 Gb/s SSD (Software-RAID 1) * Connection 1 Gbit/s-Port text/html 2023-10-25T15:43:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_ex_42_nvme?rev=1698248616&do=diff Server benchmark 2019: Hetzner EX42-NVMe Dedicated Server * 2019 * Intel® Core™ i7-6700 Quad-Core incl. Hyper-Threading Technology * 64 GB DDR4 RAM * 2 x 512 GB NVMe SSD (software-RAID 1) * Connection 1 Gbit/s-Port * Guaranteed Bandwidth 1 GBit/s