https://kb.unixservertech.com/ 2026-05-12T21:02:46+00:00 https://kb.unixservertech.com/ https://kb.unixservertech.com/_media/wiki/dokuwiki.svg text/html 2025-06-19T23:55:42+00:00 Anonymous (anonymous@undisclosed.example.com) https://kb.unixservertech.com/other/filenames?rev=1750377342&do=diff  Creating Valid Filenames Microsoft Windows, Unix and MacOS have different limits on what characters can be used in file names, what the maximum length of a filename can be, and the maximum length of the full file name (device + path + filename). MacOS is built on Unix (with some fantastic enhancements), so we will use the term Unix to include MacOS. text/html 2016-11-06T01:32:52+00:00 Anonymous (anonymous@undisclosed.example.com) https://kb.unixservertech.com/other/power_usage_calculations?rev=1478395972&do=diff Power Usage Calculations Formula power = voltage * (average of power per phase) * sqrt(3) * power factor Where * power is in watts * voltage = 208 volts * average of power per phase taken from readings on PDU * sqrt(3) is approximately 1.732 text/html 2016-09-06T00:37:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://kb.unixservertech.com/other/start?rev=1473122225&do=diff Other This is just a collection of “stuff.” Who knows what will be put in here. text/html 2022-11-07T07:41:30+00:00 Anonymous (anonymous@undisclosed.example.com) https://kb.unixservertech.com/other/xkcd_passwords?rev=1667806890&do=diff Generating good passwords Password security is very much on everyone's mind. Either you are a user, who gets irritated because of the funky passwords some web sites make you use, or you are a systems administrator, frustrated that your users want something simple, putting the systems you manage at risk of being compromised.