Add Let’s Encrypt root certificate to Linux

By following these few simple steps one can add the Let’s Encrypt  root certificate to the Linux certificate management.

1. Create a new folder to store the root certificate by executing:

   1. $ cd /usr/share/ca-certificates

   2. $ sudo mkdir letsencrypt.org

2. Now download the root certificate into the folder

   1. $ cd letsencrypt.org/

   2. $ wget "https://letsencrypt.org/certs/isrgrootx1.pem"

3. Lastly update the certificate management by running

   1. $ sudo update-ca-certificates

You can now use for example

curl

or

wget

to download files using a SSL secured connection signed with a certificate trusted by the Let’s Encrypt certificate authority. 03/14/2016

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