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我想从 16.04 升级到 Ubuntu 18.04。“软件更新程序”和“sudo do-release-upgrade”都不起作用

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我想从 16.04 升级到 Ubuntu 18.04。“软件更新程序”和“sudo do-release-upgrade”都不起作用

当我尝试时sudo do-release-upgrade我得到：

Traceback (most recent call last):
  File "/usr/bin/do-release-upgrade", line 11, in <module>
    from UpdateManager.Core.MetaRelease import MetaReleaseCore
  File "/usr/lib/python3/dist-packages/UpdateManager/Core/MetaRelease.py", line 25, in <module>
    import apt
  File "/usr/lib/python3/dist-packages/apt/__init__.py", line 23, in <module>
    import apt_pkg
ModuleNotFoundError: No module named 'apt_pkg'
Error in sys.excepthook:
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/apport_python_hook.py", line 63, in apport_excepthook
    from apport.fileutils import likely_packaged, get_recent_crashes
  File "/usr/lib/python3/dist-packages/apport/__init__.py", line 5, in <module>
    from apport.report import Report
  File "/usr/lib/python3/dist-packages/apport/report.py", line 30, in <module>
    import apport.fileutils
  File "/usr/lib/python3/dist-packages/apport/fileutils.py", line 23, in <module>
    from apport.packaging_impl import impl as packaging
  File "/usr/lib/python3/dist-packages/apport/packaging_impl.py", line 23, in <module>
    import apt
  File "/usr/lib/python3/dist-packages/apt/__init__.py", line 23, in <module>
    import apt_pkg
ModuleNotFoundError: No module named 'apt_pkg'

Original exception was:
Traceback (most recent call last):
  File "/usr/bin/do-release-upgrade", line 11, in <module>
    from UpdateManager.Core.MetaRelease import MetaReleaseCore
  File "/usr/lib/python3/dist-packages/UpdateManager/Core/MetaRelease.py", line 25, in <module>
    import apt
  File "/usr/lib/python3/dist-packages/apt/__init__.py", line 23, in <module>
    import apt_pkg
ModuleNotFoundError: No module named 'apt_pkg'

到目前为止我已经尝试过：

sudo apt update

sudo apt upgrade

sudo dist-upgrade

sudo apt autoremove 

sudo do-release-upgrade

sudo update-manager

apt-get install -f

sudo apt install update-manager

sudo apt install ubuntu-release-upgrader-core

apt-get install python-apt

sudo apt remove python3-apt

sudo apt install python3-apt

sudo apt-get install python3-apt --reinstall

sudo rm -rf /var/lib/apt/lists/*


cd /usr/lib/python3/dist-packages

sudo cp apt_pkg.cpython-34m-i386-linux-gnu.so apt_pkg.so

sudo ln -s apt_pkg.cpython-{35m,34m}-x86_64-linux-gnu.so

sudo ln -s apt_pkg.cpython-{35m,34m}-x86_64-linux-gnu.so apt_pkg.so

/usr/bin/update-manager

sudo apt clean

当我尝试时：

sudo mv /usr/share/dbus-1/system-services/org.freedesktop.systemd1.service /usr/share/dbus-1/system-services/org.freedesktop.systemd1.service.bak

我有：

mv: cannot stat '/usr/share/dbus-1/system-services/org.freedesktop.systemd1.service': No such file or director是

当然，做完这些之后，我再次尝试：

sudo apt update

sudo apt upgrade

sudo dist-upgrade

sudo apt autoremove 

sudo do-release-upgrade

仍然不起作用。

答案1

这有点晚了，但我希望这能帮助目前遇到此问题的人。

对我来说，通过运行命令可以解决这个问题：

sudo apt install --reinstall python3 python python3-minimal --fix-broken

答案2

如果你尝试过FOSS 的分步指导并且失败了，那么替代方案是下载Ubuntu 18.04 ISO并进行全新安装。这样做的好处是可以删除旧的 Unity 包和设置，因为 18.04 使用 GNOME。

当然，这会丢失所有自定义设置和数据，因此请保存数据并制作磁盘映像，以防出现问题。我完成了 16.04 的升级和全新安装，我发现第二种选择更快、更简单，尽管缺点是需要重新安装数据和额外的软件包。

答案3

对我有用的是检查/var/log/dist-upgrade/main.log 它有 2 个问题 /usr/bin/python 需要指向 python2.7 和 /usr/bin/python3 需要指向 python3.5。

答案4

我有同样的问题...

sudo apt install --reinstall python3 python python3-minimal --fix-broken

对我有用

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