How to install an erlang package system wide instead of as a dependency?

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I am trying to set up couchdb for development locally. Was going through the troubleshooting page http://docs.couchdb.org/en/latest/install/troubleshooting.html and it had some instructions to check a few deps that were needed to set it up correctly.

Like crypto:md5_init(). and snappy:compress("gogogogogogogogogogogogogogo"). which are not there on my machine locally, my question is that how do I install these packages using a package management tool like rebar3 something like rebar3 install to just have the library on my machine, instead of adding it to a config file as a dep and running rebar.

Is there anyway to do this?

rebar3 erlang
1 Answers

For use crypto, you need install erlang-crypto in your computer:

$ sudo apt-get install erlang-crypto

Then for run/stop crypto in Erlang shell:

1> crypto:start().
ok
2> crypto:stop().
=INFO REPORT==== dd-mmm-yyyy::hh:mm:ss.mmmmm ===
    application: crypto
    exited: stopped
    type: temporary
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