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E：子进程 /usr/bin/dpkg 返回错误代码 (1) mysql-server-8.0

tag-icon • tag-icon apt package-management upgrade dpkg mysql
E：子进程 /usr/bin/dpkg 返回错误代码 (1) mysql-server-8.0

当我安装 xdm 时出现此错误，但我使用 --purge 修复了它，但现在我正在安装 mysql-server-8.0 并且出现此错误：

skynet@project-skynet3:/var/cache/apt/archives$ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages will be upgraded:
  mysql-server-8.0
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
27 not fully installed or removed.
1 standard security update
Need to get 0 B/1,282 kB of archives.
After this operation, 1,488 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: warning: files list file for package 'mysql-common' missing; assuming package has no files currently installed
(Reading database ... 134655 files and directories currently installed.)
Preparing to unpack .../mysql-server-8.0_8.0.25-0ubuntu0.20.04.1_amd64.deb ...
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error processing archive /var/cache/apt/archives/mysql-server-8.0_8.0.25-0ubuntu0.20.04.1_amd64.deb (--unpack):
 new mysql-server-8.0 package pre-installation script subprocess returned error exit status 1
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error while cleaning up:
 new mysql-server-8.0 package post-removal script subprocess returned error exit status 1
Errors were encountered while processing:
 /var/cache/apt/archives/mysql-server-8.0_8.0.25-0ubuntu0.20.04.1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

当我删除 .deb 文件时，无论我采取什么操作，它都会重新出现。我被这个问题困扰了好几个小时，真的需要帮助，谢谢。

答案1

第一步是确定哪个进程正在锁定文件config.dat。你可以这样做：

sudo fuser -v /var/cache/debconf/config.dat

只要文件仍然被锁定，您就会得到如下内容：

                     USER        PID ACCESS COMMAND
/var/cache/debconf/config.dat:
                     root      90210 F....  dpkg-preconfigu

如果您识别出该命令并看到它在另一个终端窗口中运行（或由您知道正在运行的另一个进程运行），那么您将需要等待命令完成。但是，如果该进程被锁定，您可以像这样“终止”它：

sudo kill -9 90210

笔记：确保90210用第一个命令报告的实际 PID 替换。

或者，如果您不关心锁定了什么config.dat而只是想安装软件，则可以像这样同时执行两个命令：

sudo fuser -v -k /var/cache/debconf/config.dat

该-k标志将终止任何锁定该文件的进程。

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