Debian package management
- # the Debian APT = Advanced Packaging Tool
 - # update and upgrade
 - $ sudo apt-get update # update is used to resynchronize the package index files from their sources
 - $ sudo apt-get upgrade # upgrade is used to install the newest versions of all packages currently installed on the system from the sources enumerated in /etc/apt/sources.list
 
dealing with packages files (.deb)
- # what's the official package name?
 - $ dpkg --info PACKAGE.deb
 
- # which files are included? will be created from this package file?
 - $ dpkg --contents PACKAGE.deb
 
- # ...
 - $ ...
 
dealing with installed packages
- # which packages are installed (together with details)?
 - $ dpkg-query --list
 
- # is there an installed package, that sounds like XYZ?
 - $ dpkg-query --list | fgrep XYZ
 
- # details of an installed package (that you know the name of, e.g. PACKAGE)
 - $ dpkg-query --list PACKAGE
 
- # what's the content of an installed package (e.g. PACKAGE)?
 - $ dpkg-query --listfiles PACKAGE
 
- # ...
 - $ ...
 
rpm2deb
- https://en.wikipedia.org/wiki/Rpm_(software)
 - https://en.wikipedia.org/wiki/Alien_(software)
 - https://www.howtoforge.com/converting_rpm_to_deb_with_alien : alien -k ...
 
Open questions:
- how to deal with dependencies specified within the RPM package?
 - …
 
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