我试了一下sudo apt update，它说有些东西需要升级，所以我试了一下upgrade，输出如下。它说将安装以下新软件包，并将使用额外的 560MB。如果它们是“新的”而不是“升级的”，那么为什么它要安装新软件包，而我只是想更新系统？
$ sudo apt upgrade
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
The following NEW packages will be installed:
linux-headers-5.15.0-30 linux-headers-5.15.0-30-generic
linux-image-5.15.0-30-generic linux-modules-5.15.0-30-generic
linux-modules-extra-5.15.0-30-generic
The following packages will be upgraded:
apport libldap-2.5-0 libldap-common libpcre3 libssl3 libxml2 linux-firmware
linux-generic linux-headers-generic linux-image-generic needrestart openssl
python3-apport python3-problem-report python3-software-properties
software-properties-common
16 upgraded, 5 newly installed, 0 to remove and 0 not upgraded.
Need to get 351 MB/352 MB of archives.
After this operation, 559 MB of additional disk space will be used.
Do you want to continue? [Y/n]
答案1
当前安装的软件包linux-generic、linux-headers-generic等正在升级。
升级的一部分涉及安装新版本的内核。名称为 的软件包linux-image-5.15.0-30-generic与新版本的内核一起提供。