online since 1994 https://heikkisiltala.net/wiki/ 2026-04-04T07:32:23+00:00 https://heikkisiltala.net/wiki/ https://heikkisiltala.net/wiki/_media/wiki/logo.png text/html 2023-02-14T15:25:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/tietotekniikka/kuvat_kumollaan?rev=1676388341&do=diff Kumollaan olevien valokuvien korjaus Ongelman syy löydetty, ohjelmanpätkä kirjoitettu, kuvat korjattu ja teksti kirjoitettu 7.2.2023. Palvelun catza.net joissakin valokuvissa oli tapahtunut muutos. Kuvat olivat kääntyneet pystyasennosta kyljelleen itsestään, vaikka julkaisuhetkellä ne olivat oikeassa asennossa. Mikään ei ollut muuttunut kuvatiedostoissa eikä palvelun ohjelmakoodisa. Syyn täytyi siis olla jossain muualla. text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/compact_cameras/nytech_nd_4020?rev=1677105451&do=diff Nytech ND-4020 This review and in-depth description was created 2004 - 2007. The latest update was done in July 2015. See for more details. See some photos shot with Nytech ND-4020! Nytech ND-4020 was my first digital camera. I purchased it June 2004 and used it very actively for three months. During that time I shot about 5 000 photos with it. The enthusiasm of photography spread like a fire and so the camera got replaced with 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 2023-02-24T21:59:25+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 2023-02-23T23:54:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/the_zeus_malware_incident?rev=1677196489&do=diff The ZeuS malware incident This report was written in 2014, latest update 2017-10-22. Summary in Finnish. My Windows 7 desktop computer was hit by ZeuS malware or some variant of it. It wasn't detected by virus scanners and so it lived on the computer at least over a month, maybe much longer. Here is the full story. text/html 2023-02-24T00:15:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/tietotekniikka/jatkoaika_linuxilla?rev=1677197743&do=diff Pienelle kannettavalle jatkoaika Linuxilla Kirjoitettu 2013. Jälkikirjoitus lisätty 19.11.2017. Kevyesti päivitetty 1.8.2020. Lähtötilanne Pienikokoinen kananttava tietokone HP Pavilion dm1-1010eo on ollut minulla kevyessä matkakäytössä useita vuosia. Prosessorina koneessa on kaksiytiminen Intel Celeron SU2300. Alunperin kokneessa oli muistia 2 gigatavua, mutta kasvatin sen 5 gigatavuun. Alkuperäisen 250 gigatavun hitaan kovalevyn vaihdoin 120 gigatavun puolijohdelevyyn. Koneessa on käyttäjär… text/html 2023-02-23T23:24:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_bodies/the_future_of_dslr_bodies?rev=1677194660&do=diff The future of DSLR bodies This article was written in 2008. In my opinnion the DSLR bodies have been designed very conservatively. There is really not much new and innovative in them. The marketing hype just exaggerates all the minimal improvements. What are the features I would like to see on future DSLR bodies? text/html 2023-02-23T23:55:42+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/tietotekniikka/zeus_haittahohjelma_koneella?rev=1677196542&do=diff ZeuS-haittaohjelma Windows-tietokoneella Tämä on vuonna 2014 kirjoittamani suomenkielinen yhteenveto ZeuS-haittaohjelmatartunnasta, sen havaitsemisesta ja sen poistamisesta. Yhteenveto on yritetty kirjoittaa tavallisille tietokoneen käyttäjille, ei IT-ammattilaisille. Viimeisin päivitys 22.10.2017. Yhteenveto perustuu text/html 2023-02-22T06:32:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_stuff/cameras_lenses_and_else?rev=1677047561&do=diff Camera and lenses are not all you need Written in 2005, latest update 2010. If you are into serious photography, the first things you need are a camera body and one or more lenses. But in addition to these there are many things that are needed or come handy. Here are non-conclusive lists of things that I use or have used. 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 2023-10-11T17:51:57+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 2023-09-22T21:31:36+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 2023-02-20T23:37:13+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 2023-10-11T17:13:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/the_nas_power_consumption?rev=1697044405&do=diff The small NAS server: about power consumption The measurements were made and the writing started 2023-09-23. Writing completed 2023-10-11. Why measure the power consumption As power consumption of ICT equipment and power consumption in general have became popular subjects I decided to measure the power consumption of text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/akai_mpc_live_effects?rev=1677105451&do=diff A quick dive into the effects of Akai MPC Live Created 2017-10-22 while my website celebrates its 23th anniversary. If you wonder what Akai MPC live is then check this review. You can use four effects at a time as insert effects. You can also set master effects to effect all the tracks in the mix. Effects can also be used when sampling, if you prefer. text/html 2023-02-24T21:58:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/waldorf_blofeld?rev=1677275918&do=diff Waldorf Blofeld Desktop Written in 2014, latest update 2015. Waldorf Blofeld is currently one of my primary synthesizers in my home studio. I've the SL sample option installed. I've been using the synth over a year now and here are my findings so far. Pros * Blofeld is an affordable quality synthesizer. 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 2023-10-25T15:44:16+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 2023-10-25T15:43:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_ex_41_ssd?rev=1698248627&do=diff Server benchmark 2018: Hetzner EX41-SSD Dedicated Server * 2018 * Intel® Core™ i7-7700 Quadcore Haswell incl. Hyper-Threading Technology * 32 GB RAM * Hard Drives 2 x 500 GB SSD (Software-RAID 1) * Backup Space 100 GB * <https://www.hetzner.de/> * Debian 9 64 bit 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 text/html 2024-07-14T19:07:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/2004_nytech_nd4020_era/9?rev=1720984078&do=diff Photo 9: Elevators Modern elevator shafts, shot on a tripod with exposure time 1/4 sec and ISO 100, desaturated with a photo software (2004-08-27, Lintulahdenkuja 4, Helsinki Nytech ND-4020) Photo 8: The sunset<<<<<< Photo 10: Woodwork>>>>>> Nytech ND-4020 photos · Full size · Vaihda kieli suomeksi [Elevators] Photo 8: The sunset<<<<<< Photo 10: Woodwork>>>>>> Nytech ND-4020 photos · Full size · Vaihda kieli suomeksi tech text/html 2024-07-14T19:07:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/2004_nytech_nd4020_era/12?rev=1720984078&do=diff Photo 12: The National Museum The Finnish National Museum at Helsinki, shot handheld, desaturated with photo software (2004-08-04 Nytech ND-4020) Photo 11: Weather<<<<<< Photo 13: Hämeentie 42>>>>>> Nytech ND-4020 photos · Full size · Vaihda kieli suomeksi [The National Museum] Photo 11: Weather<<<<<< Photo 13: Hämeentie 42>>>>>> Nytech ND-4020 photos · Full size · Vaihda kieli suomeksi helsinki text/html 2024-07-14T19:07:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/2004_nytech_nd4020_era/17?rev=1720984078&do=diff Photo 17: Rubber snake A rubber snake, desaturated with a photo software (2004-07-13 Nytech ND-4020) Photo 16: An old car<<<<<< Photo 18: Squirrel>>>>>> Nytech ND-4020 photos · Full size · Vaihda kieli suomeksi [Rubber snake] Photo 16: An old car<<<<<< Photo 18: Squirrel>>>>>> Nytech ND-4020 photos · Full size · Vaihda kieli suomeksi text/html 2024-07-14T19:07:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/2004_nytech_nd4020_era/18?rev=1720984078&do=diff Photo 18: Squirrel A squirrel, cropped using a photo software (2004-06-25 Nytech ND-4020) Photo 17: Rubber snake<<<<<< Photo 19: Merihaka>>>>>> Nytech ND-4020 photos · Full size · Vaihda kieli suomeksi [Squirrel] Photo 17: Rubber snake<<<<<< Photo 19: Merihaka>>>>>> Nytech ND-4020 photos · Full size · Vaihda kieli suomeksi text/html 2024-07-14T19:07:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/2004_nytech_nd4020_era/35?rev=1720984078&do=diff Photo 35: Kajaaninlinnantie 3 Kajaaninlinnantie 3, Helsinki, sun rises behind the building, exposure compensation set to -2 EV, colors boosted using a photos software (2004-08-14 Nytech ND-4020) Photo 34: Patalankoski<<<<<< Photo 36: Mikke>>>>>> Page 2 · Full size · Vaihda kieli suomeksi [Kajaaninlinnantie 3] Photo 34: Patalankoski<<<<<< Photo 36: Mikke>>>>>> Page 2 · Full size · Vaihda kieli suomeksi helsinki text/html 2024-07-14T19:08:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/valokuvaus/valokuvat/2004_nytech_nd4020_era/9?rev=1720984082&do=diff Kuva 9: Elevators Modern elevator shafts, shot on a tripod with exposure time 1/4 sec and ISO 100, desaturated with a photo software (2004-08-27, Lintulahdenkuja 4, Helsinki Nytech ND-4020) Kuva 8: The sunset<<<<<< Kuva 10: Woodwork>>>>>> Kuvia Nytech ND-4020 -kameralla · Täysi koko · Switch language to English [Elevators] Kuva 8: The sunset<<<<<< Kuva 10: Woodwork>>>>>> Kuvia Nytech ND-4020 -kameralla · Täysi koko · Switch language to English tekniikka text/html 2024-07-14T19:08:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/valokuvaus/valokuvat/2004_nytech_nd4020_era/12?rev=1720984082&do=diff Kuva 12: The National Museum The Finnish National Museum at Helsinki, shot handheld, desaturated with photo software (2004-08-04 Nytech ND-4020) Kuva 11: Weather<<<<<< Kuva 13: Hämeentie 42>>>>>> Kuvia Nytech ND-4020 -kameralla · Täysi koko · Switch language to English [The National Museum] Kuva 11: Weather<<<<<< Kuva 13: Hämeentie 42>>>>>> Kuvia Nytech ND-4020 -kameralla · Täysi koko · Switch language to English helsinki text/html 2024-07-14T19:08:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/valokuvaus/valokuvat/2004_nytech_nd4020_era/17?rev=1720984082&do=diff Kuva 17: Rubber snake A rubber snake, desaturated with a photo software (2004-07-13 Nytech ND-4020) Kuva 16: An old car<<<<<< Kuva 18: Squirrel>>>>>> Kuvia Nytech ND-4020 -kameralla · Täysi koko · Switch language to English [Rubber snake] Kuva 16: An old car<<<<<< Kuva 18: Squirrel>>>>>> Kuvia Nytech ND-4020 -kameralla · Täysi koko · Switch language to English text/html 2024-07-14T19:08:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/valokuvaus/valokuvat/2004_nytech_nd4020_era/18?rev=1720984082&do=diff Kuva 18: Squirrel A squirrel, cropped using a photo software (2004-06-25 Nytech ND-4020) Kuva 17: Rubber snake<<<<<< Kuva 19: Merihaka>>>>>> Kuvia Nytech ND-4020 -kameralla · Täysi koko · Switch language to English [Squirrel] Kuva 17: Rubber snake<<<<<< Kuva 19: Merihaka>>>>>> Kuvia Nytech ND-4020 -kameralla · Täysi koko · Switch language to English text/html 2024-07-14T19:08:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/valokuvaus/valokuvat/2004_nytech_nd4020_era/35?rev=1720984082&do=diff Kuva 35: Kajaaninlinnantie 3 Kajaaninlinnantie 3, Helsinki, sun rises behind the building, exposure compensation set to -2 EV, colors boosted using a photos software (2004-08-14 Nytech ND-4020) Kuva 34: Patalankoski<<<<<< Kuva 36: Mikke>>>>>> Sivu 2 · Täysi koko · Switch language to English [Kajaaninlinnantie 3] Kuva 34: Patalankoski<<<<<< Kuva 36: Mikke>>>>>> Sivu 2 · Täysi koko · Switch language to English helsinki