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使用 do-release-upgrade 获取 ubuntu 从 18.04 LTS 升级到 20.04 LTS 的存储库时出错

tag-icon • tag-icon upgrade updates 20.04 update-manager do-release-upgrade
使用 do-release-upgrade 获取 ubuntu 从 18.04 LTS 升级到 20.04 LTS 的存储库时出错

我尝试使用命令行上的命令将我的 Ubuntu 18.04 更新到 20.04 sudo do-release-upgrade -d，它运行了一段时间，下载了一些存储库。过了一会儿，它显示了以下错误：

Fetching
Get:1 http://archive.ubuntu.com/ubuntu focal/main amd64 libxml-libxml-perl amd64 2.0134+dfsg-1build1 [320 kB]
Err http://archive.ubuntu.com/ubuntu focal/main amd64 libxml-libxml-perl amd64 2.0134+dfsg-1build1
  Hash Sum mismatch
Hashes of expected file:
 - SHA256:02d4e0d785142836422d6ad32c7db158008bdc2b2975fd971e55476645b2ccb8
 - SHA1:18b39e848e301bb2f8ccc36c602426fd73ca9d64 [weak]
 - MD5Sum:8af41e9004d000b38f5b7e3f54117a61 [weak]
 - Filesize:319596 [weak]
Hashes of received file:
 - SHA256:df3a205735aa739038c3cc258ad97b45b50db29ad0efea9d03a6a6702f8cafda
 - SHA1:055d12a01dc616d56258cf3fb0f6e8d2af693d12 [weak]
 - MD5Sum:1e9b487c5b050c7818cdf9bdb65c95dc [weak]
 - Filesize:319596 [weak]
Last modification reported: Fri, 18 Oct 2019 21:47:31 +0000

Fetched 320 kB in 0s (0 B/s)                                                   
Get:1 http://archive.ubuntu.com/ubuntu focal/main amd64 libxml-libxml-perl amd64 2.0134+dfsg-1build1 [320 kB]
Err http://archive.ubuntu.com/ubuntu focal/main amd64 libxml-libxml-perl amd64 2.0134+dfsg-1build1
  Hash Sum mismatch
Hashes of expected file:
 - SHA256:02d4e0d785142836422d6ad32c7db158008bdc2b2975fd971e55476645b2ccb8
 - SHA1:18b39e848e301bb2f8ccc36c602426fd73ca9d64 [weak]
 - MD5Sum:8af41e9004d000b38f5b7e3f54117a61 [weak]
 - Filesize:319596 [weak]
Hashes of received file:
 - SHA256:df3a205735aa739038c3cc258ad97b45b50db29ad0efea9d03a6a6702f8cafda
 - SHA1:055d12a01dc616d56258cf3fb0f6e8d2af693d12 [weak]
 - MD5Sum:1e9b487c5b050c7818cdf9bdb65c95dc [weak]
 - Filesize:319596 [weak]
Last modification reported: Fri, 18 Oct 2019 21:47:31 +0000

Fetched 320 kB in 0s (0 B/s)                                                   
Get:1 http://archive.ubuntu.com/ubuntu focal/main amd64 libxml-libxml-perl amd64 2.0134+dfsg-1build1 [320 kB]
Err http://archive.ubuntu.com/ubuntu focal/main amd64 libxml-libxml-perl amd64 2.0134+dfsg-1build1
  Hash Sum mismatch
Hashes of expected file:
 - SHA256:02d4e0d785142836422d6ad32c7db158008bdc2b2975fd971e55476645b2ccb8
 - SHA1:18b39e848e301bb2f8ccc36c602426fd73ca9d64 [weak]
 - MD5Sum:8af41e9004d000b38f5b7e3f54117a61 [weak]
 - Filesize:319596 [weak]
Hashes of received file:
 - SHA256:df3a205735aa739038c3cc258ad97b45b50db29ad0efea9d03a6a6702f8cafda
 - SHA1:055d12a01dc616d56258cf3fb0f6e8d2af693d12 [weak]
 - MD5Sum:1e9b487c5b050c7818cdf9bdb65c95dc [weak]
 - Filesize:319596 [weak]
Last modification reported: Fri, 18 Oct 2019 21:47:31 +0000

Fetched 320 kB in 0s (0 B/s)                                                   

Could not download the upgrades 

The upgrade has aborted. Please check your Internet connection or 
installation media and try again. All files downloaded so far have 
been kept. 

Failed to fetch 
http://archive.ubuntu.com/ubuntu/pool/main/libx/libxml-libxml-perl/libxml-libxml-perl_2.0134+dfsg-1build1_amd64.deb 
Hash Sum mismatch 
Hashes of expected file: 
- 
SHA256:02d4e0d785142836422d6ad32c7db158008bdc2b2975fd971e55476645b2ccb8 
- SHA1:18b39e848e301bb2f8ccc36c602426fd73ca9d64 [weak] 
- MD5Sum:8af41e9004d000b38f5b7e3f54117a61 [weak] 
- Filesize:319596 [weak] 
Hashes of received file: 
- 
SHA256:df3a205735aa739038c3cc258ad97b45b50db29ad0efea9d03a6a6702f8cafda 
- SHA1:055d12a01dc616d56258cf3fb0f6e8d2af693d12 [weak] 
- MD5Sum:1e9b487c5b050c7818cdf9bdb65c95dc [weak] 
- Filesize:319596 [weak] 
Last modification reported: Fri, 18 Oct 2019 21:47:31 +0000 




Restoring original system state

Aborting
Reading package lists... Done    
Building dependency tree          
Reading state information... Done

我再次尝试了整个过程sudo do-release-upgrade -d，但仍然显示相同的错误。如何克服此错误以将我的 Ubuntu 18.04 升级到 20.04？

请帮忙！

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