Bootstrapping dependencies for Debian-based OSes... (you can skip this with --no-bootstrap)
Hit:1
https://deb.nodesource.com/node_12.x stretch InRelease
Hit:2
http://security.debian.org stable/updates InRelease
Hit:3
http://nginx.org/packages/debian stretch InRelease
Hit:4
http://cdn-fastly.deb.debian.org/debian stable InRelease
Hit:5
http://cdn-fastly.deb.debian.org/debian stable-updates InRelease
Get:6
https://mega.nz/linux/MEGAsync/Debian_9.0 ./ InRelease [1,480 B]
Fetched 1,480 B in 1s (1,197 B/s)
Reading package lists...
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
Generating DH parameters, 2048 bit long safe prime, generator 2
This is going to take a long time
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