mkdir -/debian failed: No such file or directory at /usr/share/perl5/Alien/Package/Deb.pm line 373.

在Ubuntu 20.04安装时候遇到的问题如下：

huiyan@huiyan:~/workspace/Maya2020/Packages$ sudo alien -cv *.rpm
LANG=C rpm -qp --queryformat %{NAME} 'adlmapps17-17.0.49-0.x86_64.rpm'
LANG=C rpm -qp --queryformat %{VERSION} 'adlmapps17-17.0.49-0.x86_64.rpm'
LANG=C rpm -qp --queryformat %{RELEASE} 'adlmapps17-17.0.49-0.x86_64.rpm'
LANG=C rpm -qp --queryformat %{ARCH} 'adlmapps17-17.0.49-0.x86_64.rpm'
LANG=C rpm -qp --queryformat %{CHANGELOGTEXT} 'adlmapps17-17.0.49-0.x86_64.rpm'
LANG=C rpm -qp --queryformat %{SUMMARY} 'adlmapps17-17.0.49-0.x86_64.rpm'
LANG=C rpm -qp --queryformat %{DESCRIPTION} 'adlmapps17-17.0.49-0.x86_64.rpm'
LANG=C rpm -qp --queryformat %{PREFIXES} 'adlmapps17-17.0.49-0.x86_64.rpm'
LANG=C rpm -qp --queryformat %{POSTUN} 'adlmapps17-17.0.49-0.x86_64.rpm'
LANG=C rpm -qp --queryformat %{PREIN} 'adlmapps17-17.0.49-0.x86_64.rpm'
LANG=C rpm -qp --queryformat %{POSTIN} 'adlmapps17-17.0.49-0.x86_64.rpm'
LANG=C rpm -qp --queryformat %{PREUN} 'adlmapps17-17.0.49-0.x86_64.rpm'
LANG=C rpm -qp --queryformat %{LICENSE} 'adlmapps17-17.0.49-0.x86_64.rpm'
LANG=C rpm -qcp 'adlmapps17-17.0.49-0.x86_64.rpm'
rpm -qpi 'adlmapps17-17.0.49-0.x86_64.rpm'
LANG=C rpm -qpl 'adlmapps17-17.0.49-0.x86_64.rpm'
mkdir -
chmod 755 -
rpm2cpio 'adlmapps17-17.0.49-0.x86_64.rpm' | lzma -t -q > /dev/null 2>&1
rpm2cpio 'adlmapps17-17.0.49-0.x86_64.rpm' | (cd -;  cpio --extract --make-directories --no-absolute-filenames --preserve-modification-time) 2>&1
chmod 755 '-/./'
chmod: invalid option -- '/'
Try 'chmod --help' for more information.
mkdir -/debian
mkdir: invalid option -- '/'
Try 'mkdir --help' for more information.
mkdir -/debian failed: No such file or directory at /usr/share/perl5/Alien/Package/Deb.pm line 373.
find - -type d -exec chmod 755 {} ;
rm -rf -

解决方案来源于 https://ubuntuforums.org/archive/index.php/t-2123884.html，
运行如下，重新安装rpm相关：
sudo apt-get --reinstall --only-upgrade install ^{lib,}rpm