How to upgrade from 1.14.16 to 2.0.26 without duplicating, and related issues

Sandeep Murthy s.murthy at
Sun Jan 4 21:50:01 CET 2015

I had two versions on my Mac, worked fine.  I don’t have an Ubuntu machine,
but I seem to remember that `apt-get` is a package installer for Ubuntu,
e.g. `apt-get upgrade` to upgrade existing packages. ?

I don’t think using installing or using GnuPG requires any software engineering
competency. :)

Sandeep Murthy
s.murthy at

> On 4 Jan 2015, at 13:39, Philip Jackson <philip.jackson at> wrote:
> On 04/01/15 13:18, Giordano Lipari wrote:
>> My machine runs with on a Ubuntu 14.04 LTS distribution. This comes with a
>> default GnuPG 1.4.16 located mainly in /usr/bin as gpg. My competency in
>> software engineering is limited. Following the indications in
>> and common sense, I managed to install
>> GnuPG 2.0.26 that, however, ended up in /usr/local/bin as pgp2. Therefore I now
>> seem to have two GnuPG packages active on my computer. Admittedly my expectation
>> was that the new version would have taken care of continuity from the old one.
>> [3] After [2] is succesful, will a tool such Enigmail (but, in general, all
>> applications counting on GnuPG) automatically recognise the latest version, seen
>> that the new version is called gpg2 instead of gpg?
> You don't need to worry greatly.  Gnupg 1.4.16 and gnupg 2.0.26 can co-exist on
> the same machine with no problem.
> I am in exactly the same case with Ubuntu.  I did the same as you and Enigmail
> immediately picked up the 2.0.26 gpg2 which it uses with no problems.
> I tend to use 1.4.16 from the command line.
> However, the next step is to to move to gnupg 2.1 and that cannot co-exist with
> 2.0 versions.
> Philip
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