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The Debian CDs available for download contain Debian repositories. This allows non-networked machines to be upgraded. One can also use apt-zip. Problems may appear when several sources offer the same package(s). Systems that have such possibly conflicting sources can use APT pinning to control which sources should be preferred.
It is developed for the Debian Linux distribution, and is closely integrated with Debian's package management system, dpkg. When packages are being installed, debconf asks the user questions which determine the contents of the system-wide configuration files associated with that package.
dpkg-source packs and unpacks the source files of a Debian package. dpkg-gencontrol reads the information from an unpacked Debian tree source and generates a binary package control package, creating an entry for this in Debian/files. dpkg-shlibdeps calculates the dependencies of runs with respect to libraries.
PAR::Repository and Perl package manager: binary package managers for Perl; PEAR: a programming library for PHP; pip: a package manager for Python and the PyPI programming library; RubyGems: a package manager and repository for Ruby; sbt: a build tool for Scala, uses Ivy for dependency management; yarn: an alternative to npm for Node.js and ...
A software repository, or repo for short, is a storage location for software packages. Often a table of contents is also stored, along with metadata. A software repository is typically managed by source or version control, or repository managers. Package managers allow automatically installing and updating repositories, sometimes called "packages".
Besides the default PyPI repository, Pip supports custom repositories as well. [16] Such repositories can be located on an HTTP(s) URL or on a file system location. A custom repository can be specified using the -i or—index-url option, like so: pip install -i https://your-custom-repo/simple <package name> ; or with a filesystem: pip install ...
Typical functions of a package management system include: Working with file archivers to extract package archives; Ensuring the integrity and authenticity of the package by verifying their checksums and digital certificates, respectively; Looking up, downloading, installing, or updating existing software from a software repository or app store
Debian-based distributions support OpenPGP signature verification of signed Debian packages, but most (if not all) have this feature disabled by default. [20] Instead packages are verified by signing the repository metadata (i.e. Release files). The metadata files in turn include checksums for the repository files as a means to verify ...