Não é possível adicionar-apt-repository ppa: nemh / systemback no ubuntu 14.04

Question

Estou tentando instalar o systemback 1.0 no Ubuntu 14.04. Mas eu pego

Cannot add PPA: 'ppa:nemh/systemba'.
Please check that the PPA name or format is correct

Por favor, preciso de ajuda.

    

Answer 1

Adicione o PPA às fontes de software:

sudo apt-add-repository ppa:nemh/systemback

... e você verá algo assim:

 Simple system backup and restore application with extra features

Systemback makes it easy to create backups of the system and the users configuration files. In case of problems you can easily restore the previous state of the system. There are extra features like system copying, system installation and Live system creation.

This PPA contain the stable version of Systemback.

Currently supported Ubuntu releases:
- 14.04.X LTS
- 15.04
- 15.10
 More info: https://launchpad.net/~nemh/+archive/ubuntu/systemback
Press [ENTER] to continue or ctrl-c to cancel adding it

gpg: keyring '/tmp/tmpiv2ysmqh/secring.gpg' created
gpg: keyring '/tmp/tmpiv2ysmqh/pubring.gpg' created
gpg: requesting key 73C62A1B from hkp server keyserver.ubuntu.com
gpg: /tmp/tmpiv2ysmqh/trustdb.gpg: trustdb created
gpg: key 73C62A1B: public key "Launchpad PPA for Kendek" imported
gpg: Total number processed: 1
gpg:               imported: 1  (RSA: 1)
OK

    

Answer 2

A resposta @ A.B deve funcionar bem, mas caso você ainda esteja recebendo o mesmo erro -

Abra um terminal e execute:

sudo apt-get install --reinstall ca-certificates

e adicione o PPA ...

sudo add-apt-repository ppa:nemh/systemback

_{referência aqui}