apt-get installしたいときにそもそも該当パッケージがあるか知りたいケースがある。
そんな時にはaptitudeが使える。というよりもaptitudeがより高レベルなパッケージ管理機能を提供してくれている。
//PHPパッケージを検索 $ sudo aptitude search php
//PHPパッケージの情報を表示 $ aptitude show cakephp Package: cakephp State: installed Automatically installed: no Version: 1.3.15-1 Priority: optional Section: universe/web Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com> Architecture: all Uncompressed Size: 7,018 k Depends: php5 Recommends: cakephp-scripts Suggests: cakephp-instaweb, php5-mysql Conflicts: cakephp1.2 Replaces: cakephp1.2 Description: MVC rapid application development framework for PHP CakePHP is a flexible model-view-controller rapid application development framework for PHP inspired by Ruby on Rails. CakePHP makes developing applications swiftly and with the least amount of hassle: * compatibility with PHP4 and PHP5 * integrated CRUD for database interaction and simplified queries including scaffolding * request dispatcher with good looking, custom URLs * fast and flexible templating (PHP syntax, with helpers) * useful core features (access control lists, AJAX integration, etc.) * works from any website subdirectory Homepage: http://www.cakephp.org/
他にもいろいろある。
$ aptitude help
install - Install/upgrade packages.
remove - Remove packages.
purge - Remove packages and their configuration files.
hold - Place packages on hold.
unhold - Cancel a hold command for a package.
markauto - Mark packages as having been automatically installed.
unmarkauto - Mark packages as having been manually installed.
forbid-version - Forbid aptitude from upgrading to a specific package version.
update - Download lists of new/upgradable packages.
safe-upgrade - Perform a safe upgrade.
full-upgrade - Perform an upgrade, possibly installing and removing packages.
build-dep - Install the build-dependencies of packages.
forget-new - Forget what packages are "new".
search - Search for a package by name and/or expression.
show - Display detailed information about a package.
versions - Displays the versions of specified packages.
clean - Erase downloaded package files.
autoclean - Erase old downloaded package files.
changelog - View a package's changelog.
download - Download the .deb file for a package.
reinstall - Download and (possibly) reinstall a currently installed package.
why - Show the manually installed packages that require a package, or
why one or more packages would require the given package.
why-not - Show the manually installed packages that lead to a conflict
with the given package, or why one or more packages would
lead to a conflict with the given package if installed.
