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AWS EC2 Ubuntu 16.04.7 LTS 升级问题

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AWS EC2 Ubuntu 16.04.7 LTS 升级问题

我有一个 AWS EC2 实例，正在其上运行网站，但在升级时遇到了问题。

以下是我尝试过的步骤：

$ sudo apt update
$ sudo apt upgrade

在此处输入图片描述

第一部分结束后，一切看起来都很好，然后我继续：

sudo do-release-upgrade

然后我们出错了：

Traceback (most recent call last):
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/bionic", line 8, in <module>
    sys.exit(main())
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeMain.py", line 238, in main
    if app.run():
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeController.py", line 2072, in run
    return self.fullUpgrade()
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeController.py", line 1981, in fullUpgrade
    if not self.askDistUpgrade():
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeController.py", line 1153, in askDistUpgrade
    changes = self.calcDistUpgrade()
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeController.py", line 1120, in calcDistUpgrade
    if not self.cache.installTasks(self.tasks):
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeCache.py", line 856, in installTasks
    pkg.mark_install()
  File "/usr/lib/python3/dist-packages/apt/package.py", line 1356, in mark_install
    fixer.resolve(True)
SystemError: E:Unable to correct problems, you have held broken packages.
Error in sys.excepthook:
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/problem_report.py", line 497, in add_to_existing
    self.write(f)
  File "/usr/lib/python3/dist-packages/problem_report.py", line 450, in write
    block = f.read(1048576)
  File "/usr/lib/python3.5/codecs.py", line 321, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0x8b in position 1: invalid start byte

Original exception was:
Traceback (most recent call last):
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/bionic", line 8, in <module>
    sys.exit(main())
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeMain.py", line 238, in main
    if app.run():
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeController.py", line 2072, in run
    return self.fullUpgrade()
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeController.py", line 1981, in fullUpgrade
    if not self.askDistUpgrade():
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeController.py", line 1153, in askDistUpgrade
    changes = self.calcDistUpgrade()
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeController.py", line 1120, in calcDistUpgrade
    if not self.cache.installTasks(self.tasks):
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeCache.py", line 856, in installTasks
    pkg.mark_install()
  File "/usr/lib/python3/dist-packages/apt/package.py", line 1356, in mark_install
    fixer.resolve(True)
SystemError: E:Unable to correct problems, you have held broken packages.
=== Command terminated with exit status 1 (Thu Oct 22 03:03:11 2020) ===

在仔细查看了错误之后，我认为这就是我的问题所在，但是我仍然陷入困境，不知道接下来该怎么做：

Reinst Failed because of python3-zope.interface:amd64  MarkKeep python3-twisted [ amd64 ]

答案1

我认为关键点是E:Unable to correct problems, you have held broken packages--- 如果运行apt-get -f install（没有其他参数），输出是什么。

如果没有输出，那么 的输出是什么apt-mark showhold？如果第二个命令有任何输出，请尝试apt-mark unhold每个包，然后apt-get update运行apt-get dist-upgrade​​。

答案2

我最终不得不卸载python3，python-certbot-nginx然后才能继续安装。

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