Para listar os pacotes que fornecem mail-transport-agent
:
$ aptitude search '~Pmail-transport-agent'
p citadel-mta - complete and feature-rich groupware server
p courier-mta - Courier mail server - ESMTP daemon
p dma - lightweight mail transport agent
p esmtp-run - user configurable relay-only MTA - the reg
p exim4-daemon-heavy - Exim MTA (v4) daemon with extended feature
p exim4-daemon-light - lightweight Exim MTA (v4) daemon
p masqmail - mail transport agent for intermittently co
p msmtp-mta - light SMTP client with support for server
p nullmailer - simple relay-only mail transport agent
i postfix - High-performance mail transport agent
p sendmail-bin - powerful, efficient, and scalable Mail Tra
p ssmtp - extremely simple MTA to get mail off the s
p xmail - advanced, fast and reliable ESMTP/POP3 mai
Faça com que aptitude search '~Pmail-transport-agent ~i'
liste apenas os pacotes instalados (se houver).
Para listar todos os pacotes virtuais fornecidos pelos pacotes atualmente instalados:
aptitude search '~Rprovides:~i ~v'
Consulte o manual do aptitude para obter uma explicação dos padrões de pesquisa.