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`apt` 不會刪除自動安裝的依賴項

tag-icon • tag-icon apt dependencies jack
`apt` 不會刪除自動安裝的依賴項

系統：Ubuntu 18.04

apt卸載後不會刪除jackd的依賴項jackd2（及其自身的依賴項）jackd：

$ sudo apt install jackd
The following additional packages will be installed:
  jackd2 jackd2-firewire libconfig++9v5 libffado2 libglibmm-2.4-1v5 libsigc++-2.0-0v5 libxml++2.6-2v5 python-dbus python-gi qjackctl


$ sudo apt remove jackd
The following packages will be REMOVED:
  jackd qjackctl


$ sudo apt autoremove 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 15 not upgraded.


$ sudo apt remove jackd2
The following packages were automatically installed and are no longer required:
  libconfig++9v5 libffado2 libglibmm-2.4-1v5 libsigc++-2.0-0v5 libxml++2.6-2v5 python-dbus python-gi
Use 'sudo apt autoremove' to remove them.
The following packages will be REMOVED:
  jackd2 jackd2-firewire

$ sudo apt autoremove 
The following packages will be REMOVED:
  libconfig++9v5 libffado2 libglibmm-2.4-1v5 libsigc++-2.0-0v5 libxml++2.6-2v5 python-dbus python-gi
0 upgraded, 0 newly installed, 7 to remove and 15 not upgraded.

答案1

您的系統上可能安裝了另一個推薦或建議jackd2.你可以用aptitude why jackd2它來找出答案。

就我而言，它是blender通過另一個依賴項的套件：

$ aptitude why jackd2                                                                                      
i   blender          Depends  libjack-jackd2-0 (>= 1.9.10+20150825) | libjack-0.125
i A libjack-jackd2-0 Suggests jackd2 (= 1.9.12~dfsg-2+b1)

並且您的 apt 可能配置為將推薦和建議視為依賴項，其設定稱為APT::Autoremove::RecommendsImportant和APT::Autoremove::SuggestsImportant。

我建議保留第一個設置，但您可以安全地停用建議設置（但它仍然可能會卸載您想要保留的一些軟體包，在這種情況下取將它們標記為自動安裝）。

若要停用處理建議和依賴自動刪除的設定：

sudo apt-get autoremove -o APT::Autoremove::SuggestsImportant=0

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