Я пытаюсь установить pdftotext в образе Ubuntu Docker со следующей строкой:
RUN apt-get -y install xpdf
, но я получаю эту ошибку во время сборки:
Step 20/30 : RUN apt-get -y install xpdf
---> Running in xxxxxxxxxxxx
Reading package lists...
Building dependency tree...
Reading state information...
Package xpdf is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
·[xxxx: Package 'xpdf' has no installation candidate
·[xx The command '/bin/sh -c apt-get -y install xpdf' returned a non-zero code: 100