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I am currently using ubuntu 14.04 LTS

I was getting a 404 error whenever I used sudo apt-get update.

I feel it is because of some trusted software providers which I deleted - ubuntu archive automatic signing key (2012) and another, that I've forgotten.

I thought these are added because of my mistakes and wrong commands while installing VMware.

After doing this I am getting errors in software updates. Is this because of what I just did?

here are all of the errors:

errors are Err http://ppa.launchpad.net trusty/main amd64 Packages                        
  404  Not Found
Err http://ppa.launchpad.net trusty/main i386 Packages                         
  404  Not Found
Ign archive.ubuntu.com trusty/universe Translation-en_US Fetched 1,069 kB in 51s (20.7 kB/s)

W: There is no public key available for the following key IDs: 3B4FE6ACC0B21F32

W: There is no public key available for the following key IDs: 3B4FE6ACC0B21F32 W: There is no public key available for the following key IDs: 3B4FE6ACC0B21F32

W: There is no public key available for the following key IDs: 3B4FE6ACC0B21F32

W: Failed to fetch ppa.launchpad.net/picaso/octave/ubuntu/dists/trusty/main/… 404 –
Tim
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Patriot
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1 Answers1

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You can add Public Keys to your apt keychain using apt-key. It is up to you to determine whether or not to trust the keys and import them. Here is how you would do it:

  1. sudo apt-key adv --keyserver keyserver.ubuntu.com --recv 886DDD89 7F0CEB10 C300EE8C
    • Where keys are separated by spaces.
    • You may use full keys, or the last eight characters, as show above.
    • This example would import Tor, NGINX and MongoDB keys.
earthmeLon
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