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发行版升级至 20.04LTS 后无法升级 rsync

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发行版升级至 20.04LTS 后无法升级 rsync

我最近从 18.04 LTS 升级到了 20.04 LTS。升级过程并不顺利，我必须先从命令行完成升级，然后 Gnome 才能启动。现在，当我输入 sudo apt upgrade 时，出现以下错误消息：

sudo apt upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
The following packages will be upgraded:
  rsync
1 to upgrade, 0 to newly install, 0 to remove and 0 not to upgrade.
2 not fully installed or removed.
Need to get 0 B/322 kB of archives.
After this operation, 696 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
(Reading database ... 299035 files and directories currently installed.)
Preparing to unpack .../rsync_3.1.3-8_amd64.deb ...
Unpacking rsync (3.1.3-8) over (3.1.3-8) ...
dpkg: error processing archive /var/cache/apt/archives/rsync_3.1.3-8_amd64.deb (
--unpack):
 unable to install (supposed) new info file '/var/lib/dpkg/tmp.ci/md5sums': Is a
 directory
Errors were encountered while processing:
 /var/cache/apt/archives/rsync_3.1.3-8_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

我已经执行了 fsck，结果显示一切正常。有什么想法吗？

史蒂夫

答案1

这里可能出现两个问题——rsync 存档损坏和/或/var/lib/dpkg/tmp.ci/md5sums结构损坏。

要修复该问题，请使用以下命令：

sudo apt-get clean
sudo rm -rf /var/lib/dpkg/tmp.ci/md5sums

sudo apt-get upgrade

答案2

我想我设法解决了这个问题，所以我想发布一些信息，以防对其他人有用。/var/lib/dpkg/info 中的 rsync.md5sums“文件”似乎是一个目录，不属于 root。我不知道这是怎么发生的。

steve@steve-EP43-DS3L:/var/lib/dpkg/info$ ls -la | grep md5sums
…..
-rw-r--r-- 1 root  root     1095 Jan 25  2020 rhythmbox.md5sums
-rw-r--r-- 1 root  root     2912 Aug 27 04:36 rhythmbox-plugin-alternative-toolbar.md5sums
-rw-r--r-- 1 root  root    10836 Jan 25  2020 rhythmbox-plugins.md5sums
d--x--S--x 2 26957 31353    4096 Oct 17  2029 rsync.md5sums
-rw-r--r-- 1 root  root     3905 Aug  5 01:49 rsyslog.md5sums
-rw-r--r-- 1 root  root      923 Mar 24  2019 rtkit.md5sums
-rw-r--r-- 1 root  root     4561 Mar 12  2020 rygel.md5sums
…..

因此我将文件移至我的主目录并重新运行升级，似乎已成功。

steve@steve-EP43-DS3L:/var/lib/dpkg/info$ sudo mv rsync.md5sums/ ~/
steve@steve-EP43-DS3L:/var/lib/dpkg/info$ sudo apt upgrade

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