{ ... }: { programs = { ssh = { enable = true; compression = true; hashKnownHosts = true; matchBlocks = { "git" = { port = 2020; identityFile = "/home/don/.ssh/git"; }; "github.com" = { identityFile = "/home/don/.ssh/git"; }; "gitlab.com" = { identityFile = "/home/don/.ssh/git"; }; "homeassistant.home.duckland.org" = { user = "root"; }; "dreamhost" = { user = "duck"; hostname = "wise.dreamhost.com"; }; }; }; }; }