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...	...	@@ -18,6 +18,12 @@
18	18	curl -sL https:~/~/deb.nodesource.com/setup_14.x -o nodesource_setup.sh
19	19	)))
20	20
	21	+You also need to make sure you have Mongo version 3.x or later.  You can setup the apt-get install for version 4.x here:
	22	+
	23	+[[https:~~/~~/www.mongodb.com/docs/manual/tutorial/install-mongodb-on-ubuntu/>>https://www.mongodb.com/docs/manual/tutorial/install-mongodb-on-ubuntu/]]
	24	+
	25	+(If you end up with the wrong version, use "dpkg -l" to see the package name.  There were probably other packages also installed at the same time, so remove all all "mongo" pages using "apt-get remove", then check "dpkg -l" to see if any are in the "rc" state.  If so, purge them with "dpkg ~-~-purge".  Finally, you can reinstall the correct version again.)
	26	+
21	21	I finally ended up using a Raspberry Pi model 3 A+.  This is an ARMv7 processor, so it can do 64 bit Linux, it has built-in Wifi, and it's still small and cheap.  The system doesn't have a lot of memory, so I purchased a 32Gb micro-SD card and [[created a 16Gb swapfile>>https://linuxize.com/post/how-to-add-swap-space-on-ubuntu-18-04/]].  I installed Ubuntu 19 from here:
22	22
23	23	[[https:~~/~~/ubuntu.com/download/raspberry-pi>>https://ubuntu.com/download/raspberry-pi]]