Cannot install certbot: PPA name or format incorrect [solved]

Following the instructions here:

When I get to the step to add the ppa …

I ran this command:
$ sudo add-apt-repository ppa:certbot/certbot

It produced this output:

Cannot add PPA: ‘ppa:certbot/certbot’.
Please check that the PPA name or format is correct.

The operating system my web server runs on is (include version):
Ubuntu 14.04.3

It’s misleading, but add-apt-repository can say this if there is any sort of issue connecting to

For example:

  • Launchpad is down.
  • Your DNS resolver is broken.
  • Your clock is wrong.
  • Your HTTP proxy is malfunctioning.
  • You don’t have IPv4 connectivity.

Do you know of any issues? What happens if you run “wget”?

It seems in another thread you've confirmed that the problem is that your system couldn't make DNS queries:

Correct … once necessary domains were added to /etc/hosts I was able to proceed.

Now, to get the server admin to figure out that problem.


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