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无法将 texstudio 更新至 2.11.2-7.1

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无法将 texstudio 更新至 2.11.2-7.1 
The following packages will be upgraded:            texstudio
1 to upgrade, 0 to newly install, 0 to remove and 0 not to upgrade.
45 not fully installed or removed.
Need to get 15.2 MB of archives.
After this operation, 50.7 MB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Get:1 http://download.opensuse.org/repositories/home:/jsundermeyer/xUbuntu_14.04  texstudio 2.11.2-7.1 [15.2 MB]
Fetched 15.2 MB in 1min 37s (156 kB/s)                                         
(Reading database ... 315110 files and directories currently installed.)
Preparing to unpack .../texstudio_2.11.2-7.1_amd64.deb ...
Unpacking texstudio (2.11.2-7.1) over (2.10.8+debian-1) ...
dpkg: error processing archive /var/cache/apt/archives/texstudio_2.11.2-7.1_amd64.deb (--unpack):
trying to overwrite '/usr/share/texstudio/template_Letter.tex', which is also in package texstudio-doc 2.10.8+debian-1
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) ...
Errors were encountered while processing:
/var/cache/apt/archives/texstudio_2.11.2-7.1_amd64.deb
W: Target Sources (non-free/source/Sources) is configured multiple times in /etc/apt/sources.list:53 and /etc/apt/sources.list:54
W: Target Sources (non-free/source/Sources) is configured multiple times in /etc/apt/sources.list:53 and /etc/apt/sources.list:55
E: Sub-process /usr/bin/dpkg returned an error code (1)

当我尝试在 ubuntu 上更新 texstudio 时，出现了这个错误，有谁能帮我修复这个错误吗？非常感谢

答案1

在 synaptic 包管理器中，我完全删除了 texstudio 并重新安装了该软件，似乎该软件已更新至 2.11.2。虽然我这样做时仍然有错误sudo apt-get update，但它给出了以下错误

W: The repository 'http://ppa.launchpad.net/blahota/texstudio/ubuntu xenial Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: http://download.opensuse.org/repositories/home:/jsundermeyer/xUbuntu_14.04/Release.gpg: Signature by key BCFF88CB8BD5D98263D861BA21BD0C6DEA279317 uses weak digest algorithm (SHA1)
E: Failed to fetch http://ppa.launchpad.net/blahota/texstudio/ubuntu/dists/xenial/main/source/Sources  404  Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.

我猜是该软件包已从服务器上删除。但无论如何，更新后的版本目前运行良好，感谢所有愿意提供帮助的人！

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