Tema: dnf
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Application Streams and DNF modules on RHEL: what RHEL 10 changes
RHEL 8 and 9 deliver part of AppStream as DNF modules, letting more than one version of a component exist for one OS release with only one stream active at a time. RHEL 10's own rebuilds document modularity as deprecated, with Application Stream packages installing directly instead.
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Installing open-source packages on AIX: the AIX Toolbox, dnf, and /opt/freeware PATH order
Open-source tools on AIX come from the AIX Toolbox for Open Source Software, installed and updated with dnf (its predecessor yum is not supported on AIX 7.3) via the dnf_aixtoolbox.sh bootstrap script, with packages landing under /opt/freeware rather than /usr/bin. Where PATH puts /opt/freeware relative to the base OS directories decides whether a script gets the GNU or the AIX version of a same-named command.
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Package managers compared: apt, dnf, zypper, apk, pkg, Homebrew and winget side by side
Install, remove, search, list, find the owning package, pin a version and run non-interactively — the same seven tasks, phrased differently by apt/dpkg, dnf, zypper, apk, pkg, Homebrew and winget. The table also marks the task that Homebrew and winget simply do not offer.
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Undoing a dnf transaction and locking package versions on RHEL
dnf keeps a full transaction history that can be inspected, undone or rolled back, and the versionlock mechanism pins a package to its current version across later updates. This methodology covers both, the difference between undo and rollback, and what differs in DNF5 on current Fedora.
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