online since 1994 https://heikkisiltala.net/wiki/ 2026-05-02T08:18:33+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/catz/bulk_interface?rev=1676936233&do=diff Catz bulk intefrace 2021-04-25: This interface had its practical use until summer 2014. It is still available but considered deprecated. Listing the photos of an album The request is sent as HTTP GET and a plain text document is retured. The first line returned is an informational header. The following lines contain the data using the pipe character as a column separator. The fields retuned are 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 2023-10-11T17:51:57+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 2023-02-20T23:37:13+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 2023-02-20T23:37:13+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 2023-09-22T21:31:36+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 2023-02-23T23:54:49+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 2023-02-22T22:37:31+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 2020-06-22T10:26:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/catz/start?rev=1592821591&do=diff Catz application engine Catz is the custom-built application that runs <https://catza.net/>. The source code is available at <https://github.com/XDF/catz>. * About the design and implementation of Catz * Catz bulk intefrace * Catz data concepts * Catz metadata and social media integration * Catz service management Some of the technologies that Catz is based on are: * <https://www.perl.org/> * <https://mojolicious.org/> * <https://www.sqlite.org/> * <https://memcached.org/> *… 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:…