python - 运行 erdpy-up 时出现未满足的依赖项(venv 和 ensurepip)错误
问题描述
尝试安装erdpy
失败并出现以下错误:
$ python3 erdpy-up.py
INFO:installer:Checking user.
INFO:installer:Checking Python version.
INFO:installer:Python version: sys.version_info(major=3, minor=6, micro=9, releaselevel='final', serial=0)
INFO:installer:Checking operating system.
INFO:installer:Operating system: linux
INFO:installer:Package [venv] or [ensurepip] not found, will be installed.
INFO:installer:Running [$ sudo apt-get install python3-venv]:
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt --fix-broken install' to correct these.
The following packages have unmet dependencies:
libc6-dbg : Depends: libc6 (= 2.27-3ubuntu1.4) but 2.27-3ubuntu1.3 is to be installed
libc6-dev : Depends: libc6 (= 2.27-3ubuntu1.4) but 2.27-3ubuntu1.3 is to be installed
libnss-systemd : Depends: systemd (= 237-3ubuntu10.44)
python3-venv : Depends: python3.6-venv (>= 3.6.7-1~) but it is not going to be installed
E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).
CRITICAL:installer:Packages [venv] or [ensurepip] not installed correctly.
但是,按apt --fix-broken install
原样运行建议失败并出现以下错误:
$ sudo apt --fix-broken install
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following additional packages will be installed:
libc6 libc6:i386 libpam-systemd libsystemd0 libsystemd0:i386 systemd
Suggested packages:
glibc-doc glibc-doc:i386 locales:i386 systemd-container
The following packages will be upgraded:
libc6 libc6:i386 libpam-systemd libsystemd0 libsystemd0:i386 systemd
6 upgraded, 0 newly installed, 0 to remove and 161 not upgraded.
6 not fully installed or removed.
Need to get 0 B/8,838 kB of archives.
After this operation, 3,072 B 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
(Reading database ... 326363 files and directories currently installed.)
Preparing to unpack .../libc6_2.27-3ubuntu1.4_amd64.deb ...
De-configuring libc6:i386 (2.27-3ubuntu1.3) ...
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error processing archive /var/cache/apt/archives/libc6_2.27-3ubuntu1.4_amd64.deb (--unpack):
new libc6:amd64 package pre-installation script subprocess returned error exit status 1
Preparing to unpack .../libc6_2.27-3ubuntu1.4_i386.deb ...
De-configuring libc6:amd64 (2.27-3ubuntu1.3) ...
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error processing archive /var/cache/apt/archives/libc6_2.27-3ubuntu1.4_i386.deb (--unpack):
new libc6:i386 package pre-installation script subprocess returned error exit status 1
Preparing to unpack .../libpam-systemd_237-3ubuntu10.44_amd64.deb ...
Unpacking libpam-systemd:amd64 (237-3ubuntu10.44) over (237-3ubuntu10.41) ...
Errors were encountered while processing:
/var/cache/apt/archives/libc6_2.27-3ubuntu1.4_amd64.deb
/var/cache/apt/archives/libc6_2.27-3ubuntu1.4_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
详情:
操作系统:Ubuntu 18.04
蟒蛇:3.6.9
解决方案
该问题的根本原因在fix-broken
命令的输出中清楚地突出显示:
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process
这是一个 Linux 级别的问题,其中该文件的锁定已被另一个进程占用,并且已在此处记录其步骤:
sudo fuser -v /var/cache/debconf/config.dat
将向您显示持有锁的进程:
USER PID ACCESS COMMAND
/var/cache/debconf/config.dat:
root 18210 F.... dpkg-preconfigu
然后你只需要记下 PID 并像这样杀死它:
$ sudo kill PID
$ sudo kill -9 PID # if the first doesn't work
运行 askubuntu 问题中描述的这些步骤后,您可以运行:
$ sudo apt-get install -f
然后你可以运行:
sudo apt --fix-broken install
重试安装erdpy会成功:
$ python3 erdpy-up.py
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