1. root@32df9b5bc959:/# cat /etc/redhat-release
    2. cat: /etc/redhat-release: No such file or directory
    3. root@32df9b5bc959:/# cat /etc/issue
    4. Debian GNU/Linux 10 \n \l
    5. root@32df9b5bc959:/# apt-get install procps -y
    6. Reading package lists... Done
    7. Building dependency tree
    8. Reading state information... Done
    9. Package procps is not available, but is referred to by another package.
    10. This may mean that the package is missing, has been obsoleted, or
    11. is only available from another source
    12. However the following packages replace it:
    13. psmisc
    14. E: Package 'procps' has no installation candidate

    解决方法

    1. apt-get update
    2. apt-get upgrade
    3. apt-get install <packagename>