Question

sudo apt update && sudo apt dist-upgrade

Hit:1 http://ports.ubuntu.com/ubuntu-ports xenial InRelease
Hit:2 http://ports.ubuntu.com/ubuntu-ports xenial-security InRelease
Hit:3 http://ports.ubuntu.com/ubuntu-ports xenial-updates InRelease
Reading package lists... Done
Building dependency tree       
Reading state information... Done
7 packages can be upgraded. Run 'apt list --upgradable' to see them.
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done'

The following packages have been kept back:

xorg xserver-xorg xserver-xorg-core xserver-xorg-input-all
xserver-xorg-input-evdev xserver-xorg-input-void xserver-xorg-video-dummy

0 upgraded, 0 newly installed, 0 to remove and 7 not upgraded

当我打开update-manager时，会出现以下情况：

You don't have the required privileges to perform this action.

我按“确定”，出现：

the software on this computer is up to date.
However, Ubuntu 18.04.2 LTS is now available (you have 16.04)

我按升级。什么都没发生。

sudo do-release-upgrade

Checking for a new Ubuntu release Please install all available updates for your release before upgrading.

lsb-release -a

No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 16.04.6 LTS
Release:    16.04
Codename:   xenial

使用已安装烤面包片的Chromebook R13

Answer 1

使用图形更新管理器将Ubuntu 16.04 / 17.10升级到Ubuntu 18.04

首先，打开终端窗口并运行以下命令以更新现有软件包。

sudo apt update && sudo apt dist-upgrade

升级后，运行此命令

update-manager

检查更新后，更新管理器将告诉您Ubuntu 18.04现在可用。点击升级按钮。

您所需要的。

Answer 2

通过编辑“ sources.list”解决问题

sudo nano /etc/apt/sources.list

所有更新都是最新的

感谢您的帮助

sudo apt更新&& sudo apt dist-upgrade 7未升级

2 个答案: