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ubuntu升级发行版本的两个方法

1.使用菜单中的update-manager,或者 Alt+F2输入

sudo update-manager -d

2.完全使用命令

sudo apt-get update

安装update-manager-core软件包:

apt-get install update-manager-core

查看/etc/update-manager/release-upgrades文件:

cat /etc/update-manager/release-upgrades

确保里面包含了Prompt=normal

然后运行如下命令启动系统升级:

do-release-upgrade

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