我似乎无法从20.04 LTS升级到22.04 LTS。使用“发布升级”时
我似乎无法从20.04 LTS升级到22.04 LTS。使用“发布升级”时
提问于 2022-10-26 07:46:08
这台机器是新的，它是戴尔纬度5300，默认图像为ubuntu20.04LTS I将Prompt=never改为Prompt=lts in /etc/update-manager/release-upgrades
我得到了
root@lat530-26:/etc/update-manager# do-release-upgrade
Checking for a new Ubuntu release
Failed to connect to https://changelogs.ubuntu.com/meta-release-lts. Check your Internet connection or proxy settings
There is no development version of an LTS available.
To upgrade to the latest non-LTS development release
set Prompt=normal in /etc/update-manager/release-upgrades.
root@lat530-26:/etc/update-manager#非常bizar，因为wget下载该文件没有问题：
root@lat530-26:/etc/update-manager# wget https://changelogs.ubuntu.com/meta-release-lts
--2022-10-26 09:43:51-- https://changelogs.ubuntu.com/meta-release-lts
Resolving changelogs.ubuntu.com (changelogs.ubuntu.com)... 185.125.190.17, 91.189.91.49, 91.189.91.48, ...
Connecting to changelogs.ubuntu.com (changelogs.ubuntu.com)|185.125.190.17|:443... connected.
HTTP request sent, awaiting response... 200
Length: 5623 (5,5K)
Saving to: ‘meta-release-lts’
meta-release-lts 100%[=====================================================================================================================>] 5,49K --.-KB/s in 0s
2022-10-26 09:43:51 (730 MB/s) - ‘meta-release-lts’ saved [5623/5623]
root@lat530-26:/etc/update-manager# 我也试着改变
将Prompt=lts转换为Prompt=normal in /etc/update-manager/release-upgrades
root@lat530-26:/etc/update-manager# do-release-upgrade
Checking for a new Ubuntu release
Failed to connect to https://changelogs.ubuntu.com/meta-release. Check your Internet connection or proxy settings
No new release found.
root@lat530-26:/etc/update-manager# 就像预期的那样，这不会改变任何事情
回答 1
Ask Ubuntu用户
发布于 2022-10-26 08:07:21
我以为你做了备份..。
sudo do-release-upgrade -d -f DistUpgradeViewGtk3怎么样，这样您就可以有GUI来查看正在发生的事情，或者让sudo update-manager -c启动升级。
检查更新管理器的配置，看看它是否允许更新，即从不使用cat /etc/update-manager/release-upgrades进行正常或LTS。
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原文链接：
https://askubuntu.com/questions/1437422
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