Read the statement by Michael Teeuw here.
Unable to install dependencies
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install starting - Thu Feb 13 15:20:04 EST 2020 installing on armv7l processor system the os is Distributor ID: Raspbian Description: Raspbian GNU/Linux 10 (buster) Release: 10 Codename: buster [96mUpdating packages ...[90m Get:1 http://archive.raspberrypi.org/debian buster InRelease [25.1 kB] Get:2 http://raspbian.raspberrypi.org/raspbian buster InRelease [15.0 kB] Reading package lists... E: Release file for http://archive.raspberrypi.org/debian/dists/buster/InRelease is not valid yet (invalid for another 7d 17h 12min 50s). Updates for this repository will not be applied. E: Release file for http://raspbian.raspberrypi.org/raspbian/dists/buster/InRelease is not valid yet (invalid for another 10d 2h 34min 25s). Updates for this repository will not be applied. apt-get update completed ok apt upgrade result =rc=0 Reading package lists... Building dependency tree... Reading state information... Calculating upgrade... 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. [96mInstalling helper tools ...[90m [96mCheck current Node installation ...[0m [0mNode currently installed. Checking version number. [0mMinimum Node version: [1mv10.1.0[0m [0mInstalled Node version: [1mv10.15.2[0m [92mNo Node.js upgrade necessary.[0m [96mCheck current NPM installation ...[0m [0mNPM currently installed. Checking version number. [0mMinimum npm version: [1mV6.0.0[0m [0mInstalled npm version: [1mV5.8.0[0m [96mnpm should be upgraded.[0m [96mInstalling npm ...[90m Reading package lists... Building dependency tree... Reading state information... npm is already the newest version (5.8.0+ds6-4). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. upgrading npm to latest [92mnpm installation Done! version=V5.8.0[0m [96mCloning MagicMirror ...[90m [92mCloning MagicMirror Done