0 升级，0 新安装，0 删除，1 未升级

Question

当我更新和升级时，我显示这些行 以下软件包已被保留：mysql-utilities 0 升级，0 新安装，0 删除，1 未升级。

但是当我使用 dist-upgrade 时，我会显示这些行

sudo apt-get dist-upgrade
[sudo] password for anki: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.


sudo apt-get upgrade
[sudo] password for anki: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
  mysql-utilities
0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.

无法升级

Answer 1

在更新或安装某些东西之前，第一步总是运行sudo apt-get update.

第二步是运行您的sudo apt-get upgrade或sudo apt-get dist-upgrade.

最后一点，如果没有什么可以升级，那么它就不会升级任何东西。