online since 1994 https://heikkisiltala.net/wiki/ 2026-04-04T09:45:45+00:00 https://heikkisiltala.net/wiki/ https://heikkisiltala.net/wiki/_media/wiki/logo.png text/html 2023-02-24T21:55:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/catz/service_management?rev=1677275704&do=diff Catz service management Latest update 2022-07-16. This page contains short process descriptions, notes and checks for Catz application engine management and for version upgrades. This page is provided as public to show an example how a Perl- and Mojolicious-based application can be managed. This also gives me online access to the notes. 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 2023-02-22T22:37:31+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 2023-09-22T21:33:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/the_nas_impressions?rev=1695418415&do=diff The small NAS server: long-term impressions 2023-09-23: Writing in progress... Impressions after six months Impressions after six months written in 2021-02-21. The system has been running for about six months now and I'm still very happy of this setup. text/html 2023-10-11T17:34:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/about?rev=1697045648&do=diff About this site Page last updated 2023-05-03. Luettavissa myös suomeksi. You can contact the webmaster by sending an email to info at-character heikkisiltala dot net. Background You are watching the latest incarnation of my personal website. I've been running a personal website since October 22nd 1994. The site has been running 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 2023-02-26T17:32:10+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 2023-02-22T22:32:39+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_bodies/canon_eos_20d?rev=1677105159&do=diff Canon EOS 20D Review created 2006, latest update 2011. catza.net photos: Canon EOS 20D Canon EOS 20D was my primary camera body from December 2005 to October 2007. It was sold at October 2007 just before the purchase of Canon EOS 40D. Note that Canon EOS 30D is essentially the 20D boosted with a larger LCD, a new firmware and yet another set of auto focus points. So all that is written here about Canon 20D are likely to match also to Canon 30D. 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 2023-02-23T23:54:49+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 2023-02-23T23:32:45+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/society/paypal_billing_agreements?rev=1677195165&do=diff Check your PayPal billing agreements Written in 2014. If you are a PayPal user you should be aware of pre-approved payments (aka billing agreements, aka recurring payments). Some of the payments you make with PayPal create a billing agreement that allows the merchant to bill you automatically. This is a handy feature when you use a service like text/html 2023-02-20T23:37:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/catz/data_concepts?rev=1676936233&do=diff Catz data concepts The concepts known by the Catz service are listed here in the default sorting order. For more information about the concepts please see <https://catza.net/en/search/> Technical code Visible text Explanation Source data level Langauge dependent album album text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/catz/meta_and_social?rev=1677105451&do=diff Catz metadata and social media integration Mandatory page metadata The base template base/heavy.html.ep forces the following metadata on all pages. tag explanation meta http-equiv content-type meta http-equiv content-language content langauge is also set on html and body so we really are on the safe side 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 2023-10-25T15:44:42+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_eq_4?rev=1698248682&do=diff Server benchmark 2011: Hetzner EQ 4 Dedicated Server * 2011 * Hetzner EQ 4 Dedicated Server * i7-920 Quadcore * 8 GB RAM * 750 GB HD RAID1 * 100 GB backup space * 10 TB traffic/mo * <https://www.hetzner.de/> * Debian 6.0 64 bit * Tests run 2011-07-26 UnixBench 5.1.2 ./Run dhry2reg whetstone-double syscall pipe context1 spawn execl shell1 shell8 shell16 ======================================================================== BYTE UNIX Benchmarks (Version 5.1.2) Syst… text/html 2023-10-25T15:44:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_ex_4?rev=1698248669&do=diff Server benchmark 2011: Hetzner EX 4 Dedicated Server * 2011 * Hetzner EQ 4 Dedicated Server * i7-2600 Quadcore * 16 GB RAM * 3 TB SATA 6 Gb/s HDD RAID1 * 100 GB backup space * 10 TB traffic/mo * <https://www.hetzner.de/> * Debian 6.0 64 bit * Tests run 2011-10-04 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 2023-10-25T15:43:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_vq_12_vps?rev=1698248606&do=diff Server benchmark 2012: Hetzner VQ 12 VPS * 2012 * Hetzner VQ 12 VPS * Single Core * 1 GB RAM * 40 GB HD on some sort of RAID * no backup space * 2 TB traffic/mo * <https://www.hetzner.de/> * Debian 6.0 64 bit * Tests run 2012-01-31 UnixBench 5.1.2 ./Run dhry2reg whetstone-double syscall pipe context1 spawn execl shell1 shell8 shell16 ======================================================================== BYTE UNIX Benchmarks (Version 5.1.2) System: ********: GNU/L… text/html 2023-10-25T15:42:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_vq_19_vps?rev=1698248538&do=diff Server benchmark 2011: Hetzner VQ 19 VPS * 2011 * Hetzner VQ 19 VPS * Single Core * 2 GB RAM * 80 GB HD on some sort of RAID * no backup space * 4 TB traffic/mo * <https://www.hetzner.de/> * Debian 6.0 64 bit * Tests run 2011-07-26 UnixBench 5.1.2 ./Run dhry2reg whetstone-double syscall pipe context1 spawn execl shell1 shell8 shell16 ======================================================================== BYTE UNIX Benchmarks (Version 5.1.2) System: Debian-60-squee… text/html 2023-10-25T15:42:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/xencon_xpro_512_vps?rev=1698248520&do=diff Server benchmark 2011: Xencon x|pro 512 VPS * 2011 * Xencon x|pro 512 VPS * Dual CPU * 0.5 GB RAM * 40 GB HD (RAID 1/RAID 10) * with automated backups * 0.5 TB traffic/mo * <https://www.xencon.net/> * Debian 6.0 64 bit * Tests run 2011-07-26 UnixBench 5.1.2 ./Run dhry2reg whetstone-double syscall pipe context1 spawn execl shell1 shell8 shell16 ======================================================================== BYTE UNIX Benchmarks (Version 5.1.2) System: catz:… text/html 2024-07-14T19:07:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/200504_helsinki_stockholm_helsinki/4?rev=1720984078&do=diff Photo 4: M/S Suomenlinna II M/S Suomenlinna II travelling from Suomenlinna to Helsinki South Harbour. The ferry entered into service summer 2004. Photo 3: Helsinki South Harbour<<<<<< Photo 5: M/S Suomenlinna II>>>>>> Helsinki - Stockholm - Helsinki 2005 · Full size · Vaihda kieli suomeksi [M/S Suomenlinna II] Photo 3: Helsinki South Harbour<<<<<< Photo 5: M/S Suomenlinna II>>>>>> Helsinki - Stockholm - Helsinki 2005 · Full size · Vaihda kieli suomeksi ship helsinki text/html 2024-07-14T19:07:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/200504_helsinki_stockholm_helsinki/5?rev=1720984078&do=diff Photo 5: M/S Suomenlinna II M/S Suomenlinna II travelling from Suomenlinna to Helsinki South Harbour. The ferry entered into service summer 2004. Photo 4: M/S Suomenlinna II<<<<<< Photo 6: M/S Silja Serenade>>>>>> Helsinki - Stockholm - Helsinki 2005 · Full size · Vaihda kieli suomeksi [M/S Suomenlinna II] Photo 4: M/S Suomenlinna II<<<<<< Photo 6: M/S Silja Serenade>>>>>> Helsinki - Stockholm - Helsinki 2005 · Full size · Vaihda kieli suomeksi ship helsinki text/html 2024-07-14T19:07:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/200504_helsinki_stockholm_helsinki/21?rev=1720984078&do=diff Photo 21: Sörnäinen A view from M/S Mariella towards Sörnäinen: two coal power plants, an unidentified freight ship and M/S Ehrensvärd that takes care of the service traffic to Suomenlinna. Photo 20: Laajasalo<<<<<< Photo 22: Suomenlinna>>>>>> Helsinki - Stockholm - Helsinki 2005 · Full size · Vaihda kieli suomeksi [Sörnäinen] Photo 20: Laajasalo<<<<<< Photo 22: Suomenlinna>>>>>> Helsinki - Stockholm - Helsinki 2005 · Full size · Vaihda kieli suomeksi text/html 2024-07-14T19:08:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/valokuvaus/valokuvat/200504_helsinki_stockholm_helsinki/4?rev=1720984082&do=diff Kuva 4: M/S Suomenlinna II M/S Suomenlinna II travelling from Suomenlinna to Helsinki South Harbour. The ferry entered into service summer 2004. Kuva 3: Helsinki South Harbour<<<<<< Kuva 5: M/S Suomenlinna II>>>>>> Helsinki - Tukholma - Helsinki 2005 · Täysi koko · Switch language to English [M/S Suomenlinna II] Kuva 3: Helsinki South Harbour<<<<<< Kuva 5: M/S Suomenlinna II>>>>>> Helsinki - Tukholma - Helsinki 2005 · Täysi koko · Switch language to English laiva helsinki text/html 2024-07-14T19:08:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/valokuvaus/valokuvat/200504_helsinki_stockholm_helsinki/5?rev=1720984082&do=diff Kuva 5: M/S Suomenlinna II M/S Suomenlinna II travelling from Suomenlinna to Helsinki South Harbour. The ferry entered into service summer 2004. Kuva 4: M/S Suomenlinna II<<<<<< Kuva 6: M/S Silja Serenade>>>>>> Helsinki - Tukholma - Helsinki 2005 · Täysi koko · Switch language to English [M/S Suomenlinna II] Kuva 4: M/S Suomenlinna II<<<<<< Kuva 6: M/S Silja Serenade>>>>>> Helsinki - Tukholma - Helsinki 2005 · Täysi koko · Switch language to English laiva helsinki text/html 2024-07-14T19:08:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/valokuvaus/valokuvat/200504_helsinki_stockholm_helsinki/21?rev=1720984082&do=diff Kuva 21: Sörnäinen A view from M/S Mariella towards Sörnäinen: two coal power plants, an unidentified freight ship and M/S Ehrensvärd that takes care of the service traffic to Suomenlinna. Kuva 20: Laajasalo<<<<<< Kuva 22: Suomenlinna>>>>>> Helsinki - Tukholma - Helsinki 2005 · Täysi koko · Switch language to English [Sörnäinen] Kuva 20: Laajasalo<<<<<< Kuva 22: Suomenlinna>>>>>> Helsinki - Tukholma - Helsinki 2005 · Täysi koko · Switch language to English helsinki sornainen…