Contents
What is ETC apt preferences D?
DESCRIPTION. The APT preferences file /etc/apt/preferences and the fragment files in the /etc/apt/preferences. d/ folder can be used to control which versions of packages will be selected for installation. Several versions of a package may be available for installation when the sources.
How do I pin a package in Ubuntu?
First way to hold a package is in Synaptic:
- Open Synaptic: System -> Administration -> Synaptic Package Manager.
- Click Search and type the package’s name in the Search box.
- Highlight the version you want to pin Make sure that you select the correct version.
Which is the highest priority in apt preferences?
Note that none of APT’s default priorities exceeds 1000; such high priorities can only be set in the preferences file. Note also that downgrading a package can be risky.) •Install the highest priority version. •If two or more versions have the same priority, install the most recent one (that is, the one with the higher version number).
How does apt choose which version to install?
APT assigns a priority to each version that is available. Subject to dependency constraints, apt-get selects the version with the highest priority for installation. The APT preferences override the priorities that APT assigns to package versions by default, thus giving the user control over which one is selected for installation.
Where do I find the preferences file in Apt?
The APT preferences file /etc/apt/preferences and the fragment files in the /etc/apt/preferences.d/ folder can be used to control which versions of packages will be selected for installation.
When to use ORIGIN keyword in apt preferences?
This general-form entry in the APT preferences file applies only to groups of packages. For example, the following record assigns a high priority to all package versions available from the local site. A note of caution: the keyword used here is “origin” which can be used to match a hostname.