https://www.wiki.techtrav.me/ 2026-05-13T17:18:22+00:00 https://www.wiki.techtrav.me/ https://www.wiki.techtrav.me/lib/tpl/mindthedark/images/favicon.ico text/html 2020-07-30T00:06:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.wiki.techtrav.me/tech/macos/big_sur?rev=1596081995&do=diff 11.0 Big Sur Big Sur is macOS 11.0 and it is a big sir. text/html 2020-07-30T00:06:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.wiki.techtrav.me/tech/macos/mojave?rev=1596081995&do=diff 10.14 Mojave Version 10.14 of macOS. This was the first version of macOS to introduce dark mode. text/html 2020-07-30T00:06:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.wiki.techtrav.me/tech/macos/os_x_could_not_be_installed?rev=1596081995&do=diff OS X could not be installed on your computer This is one that I've come across on old Macs when trying to restore them. Usually, it's because the date has reset to January 2000 or the clock is working as expected, and the date is too far in the future. Long story short, it's a certificate issue. text/html 2020-07-30T00:06:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.wiki.techtrav.me/tech/macos/snow_leopard?rev=1596081995&do=diff 10.6 Snow Leopard My first Mac that I owned, an early 2011 MacBook Pro, came with Snow Leopard. text/html 2021-02-19T00:00:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.wiki.techtrav.me/tech/macos/test_remote_server_connectivity?rev=1613710824&do=diff Test Remote Server Connectivity Starting with macOS High Sierra, Apple removed telnet from macOS. nc or netcat can be used for remote connectivity testing. Man page NC(1) BSD General Commands Manual NC(1) NAME nc -- arbitrary TCP and UDP connections and listens SYNOPSIS nc [-46AcDCdhklnrtUuvz] [-b boundif] [-i interval] [-p source_port] [-s source_ip_address] [-w timeout] [-X proxy_protocol] [-x proxy_address[:port]] [--apple-delegat… text/html 2020-07-30T00:06:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.wiki.techtrav.me/tech/macos/xcode?rev=1596081995&do=diff Xcode Xcode is the IDE for macOS. FIXME