O nome do pacote de pacote não tem candidato de instalação [duplicado]

Question

Eu quero instalar alguns aplicativos, mas para qualquer comando de instalação ele diz que este pacote has no installation candidate . Eu não posso nem correr sudo apt-get update .

cookie98@cookie98**:~$ sudo apt-get install software-properties-common
[sudo] password for cookie98: 
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package software-properties-common is not available, but is 
  referred to by another package.
This may mean that the package is missing, has been obsoleted, or is
 only available from another source

E: Package 'software-properties-common' has no installation candidate

'

    

Answer 1

Quando eu tive o problema de "nenhum candidato à instalação" (mas com uma instalação diferente), o problema estava no meu /etc/apt/sources.list . Pode ajudar a verificar o seu

deb http://archive.ubuntu.com/ubuntu/ trusty main restricted universe multiverse 
deb http://archive.ubuntu.com/ubuntu/ trusty-security main restricted universe multiverse 
deb http://archive.ubuntu.com/ubuntu/ trusty-updates main restricted universe multiverse 
deb http://archive.ubuntu.com/ubuntu/ trusty-proposed main restricted universe multiverse 
deb http://archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse