上周末我从 Ubuntu 14.10 升级到了 15.04，除了 之外，其他一切都安装得很完美texlive-pstricks-doc。升级完成时出现了错误。
从那时起，我尝试手动更新该软件包，这是我从终端得到的输出。
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages will be upgraded:
texlive-pstricks-doc
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/85.6 MB of archives.
After this operation, 9,585 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
(Reading database ... 275255 files and directories currently installed.)
Preparing to unpack .../texlive-pstricks-doc_2014.20141024-1_all.deb ...
Unpacking texlive-pstricks-doc (2014.20141024-1) over (2014.20140717-1) ...
dpkg-deb (subprocess): decompressing archive member: lzma error: compressed data is corrupt
dpkg-deb: error: subprocess <decompress> returned error exit status 2
dpkg: error processing archive /var/cache/apt/archives/texlive-pstricks-doc_2014.20141024-1_all.deb (--unpack):
cannot copy extracted data for './usr/share/doc/texlive-doc/generic/pstricks-add/pstricks-add-doc.dat.gz' to '/usr/share/doc/texlive-doc/generic/pstricks-add/pstricks-add-doc.dat.gz.dpkg-new': unexpected end of file or stream
Processing triggers for tex-common (5.03) ...
Running mktexlsr. This may take some time... done.
Errors were encountered while processing:
/var/cache/apt/archives/texlive-pstricks-doc_2014.20141024-1_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
答案1
好吧，检查了几件事后，我运行了sudo apt-get clean，然后再次运行更新。这一次，它下载了新的副本texlive-pstricks-doc，并顺利安装了。结果发现，这只是下载中断了。