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# aptitude
> Debian and Ubuntu package management utility.
> More information: <https://manned.org/aptitude.8>.
- Synchronize list of packages and versions available. This should be run first, before running subsequent `aptitude` commands:
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`sudo aptitude update`
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- Install a new package and its dependencies:
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`sudo aptitude install {{package}}`
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- Search for a package:
`aptitude search {{package}}`
- Search for an installed package (`?installed` is an `aptitude` search term):
`aptitude search '?installed({{package}})'`
- Remove a package and all packages depending on it:
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`sudo aptitude remove {{package}}`
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- Upgrade installed packages to the newest available versions:
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`sudo aptitude upgrade`
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- Upgrade installed packages (like `aptitude upgrade` ) including removing obsolete packages and installing additional packages to meet new package dependencies:
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`sudo aptitude full-upgrade`
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- Put an installed package on hold to prevent it from being automatically upgraded:
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`sudo aptitude hold '?installed({{package}})'`
