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如何在 Linux 上检查一个软件包的详细信息

Linux 如何 一个 检查 软件包 详细信息
2023-06-13 09:15:27 时间

我们可以就这个已经被广泛讨论的话题写出大量的文章,大多数情况下,因为各种各样的原因,我们都愿意让包管理器package manager来帮我们做这些事情。

每个 Linux 发行版都有自己的包管理器,并且每个都有各自有不同的特性,这些特性包括允许用户执行安装新软件包,删除无用的软件包,更新现存的软件包,搜索某些具体的软件包,以及更新整个系统到其最新的状态之类的操作。

习惯于命令行的用户大多数时间都会使用基于命令行方式的包管理器。对于 Linux 而言,这些基于命令行的包管理器有 yum、dnf、rpm、apt、apt-get、dpkg、pacman 和 zypper。

推荐阅读

Linux 命令行包管理器列表及其用法 一个图形化的 Linux 包管理器前端工具 如何搜索知道一个软件包是否存在于你的 Linux 发行版 如何使用 dnf/yum 配置包管理器在 Linux 上来添加、启用和禁用软件仓库

作为一个系统管理员你应该清楚地知道:安装包来自何方,具体来自哪个软件仓库,包的具体版本,包的大小,版本,包的源代码 URL,包的许可证信息,等等。

这篇短文将用尽可能简单的方式帮你从随包自带的总结和描述中了解该包的用法。按你所使用的 Linux 发行版的不同,运行下面相应的命令,你能得到你所使用的发行版下的包的详细信息。

YUM 命令:在 RHEL 和 CentOS 系统上获得包的信息

YUM 英文直译是 黄狗更新器 修改版Yellowdog Updater, Modified ,它是一个开源的基于命令行的包管理器前端实用工具。它被广泛应用在基于 RPM 的系统上,例如:RHEL 和 CentOS。

Yum 是用于在官方发行版仓库以及其他第三方发行版仓库下获取、安装、删除、查询 RPM 包的主要工具。

(LCTT 译注:用 yum info 获取 python 包的信息)

# yum info python

Loaded plugins: fastestmirror, security

Loading mirror speeds from cached hostfile

 * epel: epel.mirror.constant.com

Installed Packages

Name : python

Arch : x86_64

Version : 2.6.6

Release : 66.el6_8

Size : 78 k

Repo : installed

From repo : updates

Summary : An interpreted, interactive, object-oriented programming language

URL : http://www.python.org/

License : Python

Description : Python is an interpreted, interactive, object-oriented programming

 : language often compared to Tcl, Perl, Scheme or Java. Python includes

 : modules, classes, exceptions, very high level dynamic data types and

 : dynamic typing. Python supports interfaces to many system calls and

 : libraries, as well as to various windowing systems (X11, Motif, Tk,

 : Mac and MFC).

 : Programmers can write new built-in modules for Python in C or C++.

 : Python can be used as an extension language for applications that need

 : a programmable interface.

 : Note that documentation for Python is provided in the python-docs

 : package.

 : This package provides the "python" executable; most of the actual

 : implementation is within the "python-libs" package.

YUMDB 命令:查看 RHEL 和 CentOS 系统上的包信息

yumdb info 这个命令提供与 yum info 相类似的的信息,不过它还额外提供了诸如包校验值、包类型、用户信息(由何人安装)。从 yum 3.2.26 版本后,yum 开始在 rpm 数据库外储存额外的信息了(此处如显示 user 表明该包由用户安装,而 dep 说明该包是被作为被依赖的包而被安装的)。

(LCTT 译注:用 yumdb info 来获取 python 包的信息)

# yumdb info python

Loaded plugins: fastestmirror

python-2.6.6-66.el6_8.x86_64

 changed_by = 4294967295

 checksum_data = 53c75a1756e5b4f6564c5229a37948c9b4561e0bf58076bd7dab7aff85a417f2

 checksum_type = sha256

 command_line = update -y

 from_repo = updates

 from_repo_revision = 1488370672

 from_repo_timestamp = 1488371100

 installed_by = 4294967295

 reason = dep

 releasever = 6
RPM 命令:在 RHEL/CentOS/Fedora 系统上查看包的信息

RPM 英文直译为 红帽包管理器Red Hat Package Manager ,这是一个在 RedHat 以及其变种发行版(如RHEL、CentOS、Fedora、openSUSE、Megeia)下的功能强大的命令行包管理工具。它能让你轻松的安装、升级、删除、查询以及校验你的系统或服务器上的软件。RPM 文件以 .rpm 结尾。RPM 包由它所依赖的软件库以及其他依赖构成,它不会与系统上已经安装的包冲突。

(LCTT 译注:用 rpm -qi 查询 nano 包的具体信息)

# rpm -qi nano

Name : nano Relocations: (not relocatable)

Version : 2.0.9 Vendor: CentOS

Release : 7.el6 Build Date: Fri 12 Nov 2010 02:18:36 AM EST

Install Date: Fri 03 Mar 2017 08:57:47 AM EST Build Host: c5b2.bsys.dev.centos.org

Group : Applications/Editors Source RPM: nano-2.0.9-7.el6.src.rpm

Size : 1588347 License: GPLv3+

Signature : RSA/8, Sun 03 Jul 2011 12:46:50 AM EDT, Key ID 0946fca2c105b9de

Packager : CentOS BuildSystem 

URL : http://www.nano-editor.org

Summary : A small text editor

Description :

GNU nano is a small and friendly text editor.
DNF 命令:在 Fedora 系统上查看包信息

DNF 指 时髦版的 YumDandified yum ,我们也可以认为 DNF 是下一代的 yum 包管理器(Yum 的一个分支),它在后台使用了 hawkey/libsolv 库。Ale Kozumpl k 在Fedora 18 上开始开发 DNF,在 Fedora 22 上正式最后发布。 dnf 命令用来在 Fedora 22 及以后的系统上安装、更新、搜索以及删除包。它能自动的解决包安装过程中的包依赖问题。

(LCTT 译注: 用 dnf info 查看 tilix 包信息)

$ dnf info tilix

Last metadata expiration check: 27 days, 10:00:23 ago on Wed 04 Oct 2017 06:43:27 AM IST.

Installed Packages

Name : tilix

Version : 1.6.4

Release : 1.fc26

Arch : x86_64

Size : 3.6 M

Source : tilix-1.6.4-1.fc26.src.rpm

Repo : @System

From repo : @commandline

Summary : Tiling terminal emulator

URL : https://github.com/gnunn1/tilix

License : MPLv2.0 and GPLv3+ and CC-BY-SA

Description : Tilix is a tiling terminal emulator with the following features:

 : - Layout terminals in any fashion by splitting them horizontally or vertically

 : - Terminals can be re-arranged using drag and drop both within and between

 : windows

 : - Terminals can be detached into a new window via drag and drop

 : - Input can be synchronized between terminals so commands typed in one

 : terminal are replicated to the others

 : - The grouping of terminals can be saved and loaded from disk

 : - Terminals support custom titles

 : - Color schemes are stored in files and custom color schemes can be created by

 : simply creating a new file

 : - Transparent background

 : - Supports notifications when processes are completed out of view

 : The application was written using GTK 3 and an effort was made to conform to

 : GNOME Human Interface Guidelines (HIG).
Zypper 命令:在 openSUSE 系统上查看包信息

zypper 是一个使用 libzypp 库的命令行包管理器。zypper 提供诸如软件仓库访问,安装依赖解决,软件包安装等等功能。

(LCTT 译注: 用 zypper info 查询 nano 包的信息)

$ zypper info nano

Loading repository data...

Reading installed packages...


GNU nano is a small and friendly text editor. It aims to emulate the Pico text editor while also offering a few enhancements.
Pacman 命令:在 ArchLinux 及 Manjaro 系统上查看包信息

Pacman 意即包管理器package manager实用工具。pacman 是一个用于安装、构建、删除、管理 Arch Linux 上包的命令行工具。它后端使用 libalpm(Arch Linux package Manager(ALPM)库)来完成所有功能。

(LCTT 译注: 用 pacman -Qi 来查询 bash 包信息)

$ pacman -Qi bash

Name : bash

Version : 4.4.012-2

Description : The GNU Bourne Again shell

Architecture : x86_64

URL : http://www.gnu.org/software/bash/bash.html

Licenses : GPL

Groups : base

Provides : sh

Depends On : readline =7.0 glibc ncurses

Optional Deps : bash-completion: for tab completion

Required By : autoconf automake bison bzip2 ca-certificates-utils db

 dhcpcd diffutils e2fsprogs fakeroot figlet findutils

 flex freetype2 gawk gdbm gettext gmp grub gzip icu

 iptables keyutils libgpg-error libksba libpcap libpng

 libtool lvm2 m4 man-db mkinitcpio nano neofetch nspr

 nss openresolv os-prober pacman pcre pcre2 shadow

 systemd texinfo vte-common which xdg-user-dirs xdg-utils

 xfsprogs xorg-mkfontdir xorg-xpr xz

Optional For : None

Conflicts With : None

Replaces : None

Installed Size : 7.13 MiB

Packager : Jan Alexander Steffens (heftig) 

Build Date : Tue 14 Feb 2017 01:16:51 PM UTC

Install Date : Thu 24 Aug 2017 06:08:12 AM UTC

Install Reason : Explicitly installed

Install Script : No

Validated By : Signature
apt-cache 命令:在 Debian/Ubuntu/Mint 系统上查看包信息

apt-cache 命令能显示 apt 内部数据库中的大量信息。这些信息是从 sources.list 中的不同的软件源中搜集而来,因此从某种意义上这些信息也可以被认为是某种缓存。这些信息搜集工作是在运行 apt update 命令时执行的。

(LCTT 译注:用管理员权限查询 apache2 包的信息)

$ sudo apt-cache show apache2

Package: apache2

Priority: optional

Section: web

Installed-Size: 473

Maintainer: Ubuntu Developers 

Original-Maintainer: Debian Apache Maintainers 

Architecture: amd64

Version: 2.4.12-2ubuntu2

Replaces: apache2.2-common

Provides: httpd, httpd-cgi

Depends: lsb-base, procps, perl, mime-support, apache2-bin (= 2.4.12-2ubuntu2), apache2-utils ( = 2.4), apache2-data (= 2.4.12-2ubuntu2)

Pre-Depends: dpkg ( = 1.17.14)

Recommends: ssl-cert

Suggests: www-browser, apache2-doc, apache2-suexec-pristine | apache2-suexec-custom, ufw

Conflicts: apache2.2-common ( 2.3~)

Filename: pool/main/a/apache2/apache2_2.4.12-2ubuntu2_amd64.deb

Size: 91348

MD5sum: ab0ee0b0d1c6b3d19bd87aa2a9537125

SHA1: 350c9a1a954906088ed032aebb77de3d5bb24004

SHA256: 03f515f7ebc3b67b050b06e82ebca34b5e83e34a528868498fce020bf1dbbe34

Description-en: Apache HTTP Server

 The Apache HTTP Server Projects goal is to build a secure, efficient and

 extensible HTTP server as standards-compliant open source software. The

 result has long been the number one web server on the Internet.

 Installing this package results in a full installation, including the

 configuration files, init scripts and support scripts.

Description-md5: d02426bc360345e5acd45367716dc35c

Homepage: http://httpd.apache.org/

Bugs: https://bugs.launchpad.net/ubuntu/+filebug

Origin: Ubuntu

Supported: 9m

Task: lamp-server, mythbuntu-frontend, mythbuntu-desktop, mythbuntu-backend-slave, mythbuntu-backend-master, mythbuntu-backend-master
APT 命令:查看 Debian/Ubuntu/Mint 系统上的包信息

APT 意为高级打包工具Advanced Packaging Tool,就像 DNF 将如何替代 YUM 一样,APT 是 apt-get 的替代物。它功能丰富的命令行工具包括了如下所有命令的功能如 apt-cache、apt-search、dpkg、apt-cdrom、apt-config、apt-key 等等,我们可以方便的通过 apt 来安装 .dpkg 包,但是我们却不能通过 apt-get 来完成这一点,还有一些其他的类似的功能也不能用 apt-get 来完成,所以 apt-get 因为没有解决上述功能缺乏的原因而被 apt 所取代。

(LCTT 译注: 用 apt show 查看 nano 包信息)

$ apt show nano

Package: nano

Version: 2.8.6-3

Priority: standard

Section: editors

Origin: Ubuntu

Maintainer: Ubuntu Developers 

Original-Maintainer: Jordi Mallach 

Bugs: https://bugs.launchpad.net/ubuntu/+filebug

Installed-Size: 766 kB

Depends: libc6 ( = 2.14), libncursesw5 ( = 6), libtinfo5 ( = 6)

Suggests: spell

Conflicts: pico

Breaks: nano-tiny ( 2.8.6-2)

Replaces: nano-tiny ( 2.8.6-2), pico

Homepage: https://www.nano-editor.org/

Task: standard, ubuntu-touch-core, ubuntu-touch

Supported: 9m

Download-Size: 222 kB

APT-Manual-Installed: yes

APT-Sources: http://in.archive.ubuntu.com/ubuntu artful/main amd64 Packages

Description: small, friendly text editor inspired by Pico

 GNU nano is an easy-to-use text editor originally designed as a replacement

 for Pico, the ncurses-based editor from the non-free mailer package Pine

 (itself now available under the Apache License as Alpine).

 However, GNU nano also implements many features missing in pico, including:

 - undo/redo

 - line numbering

 - syntax coloring

 - soft-wrapping of overlong lines

 - selecting text by holding Shift

 - interactive search and replace (with regular expression support)

 - a go-to line (and column) command

 - support for multiple file buffers

 - auto-indentation

 - tab completion of filenames and search terms

 - toggling features while running

 - and full internationalization support
dpkg 命令:查看Debian/Ubuntu/Mint系统上的包信息

dpkg 意指 Debian 包管理器Debian package manager。dpkg 是用于 Debian 系统上安装、构建、移除以及管理 Debian 包的命令行工具。dpkg 使用 aptitude(因为它更为主流及用户友好)作为前端工具来完成所有的功能。其他的工具如dpkg-deb 和 dpkg-query 使用 dpkg 做为前端来实现功能。尽管系统管理员还是时不时会在必要时使用 dpkg 来完成一些软件安装的任务,他大多数情况下还是会因为 apt、apt-get 以及 aptitude 的健壮性而使用后者。

(LCTT 译注: 用 dpkg -s 查看 python 包的信息)

$ dpkg -s python

Package: python

Status: install ok installed

Priority: optional

Section: python

Installed-Size: 626

Maintainer: Ubuntu Developers 

Architecture: amd64

Multi-Arch: allowed

Source: python-defaults

Version: 2.7.14-2ubuntu1

Replaces: python-dev ( 2.6.5-2)

Provides: python-ctypes, python-email, python-importlib, python-profiler, python-wsgiref

Depends: python2.7 ( = 2.7.14-1~), libpython-stdlib (= 2.7.14-2ubuntu1)

Pre-Depends: python-minimal (= 2.7.14-2ubuntu1)

Suggests: python-doc (= 2.7.14-2ubuntu1), python-tk ( = 2.7.14-1~)

Breaks: update-manager-core ( 0.200.5-2)

Conflicts: python-central ( 0.5.5)

Description: interactive high-level object-oriented language (default version)

 Python, the high-level, interactive object oriented language,

 includes an extensive class library with lots of goodies for

 network programming, system administration, sounds and graphics.

 This package is a dependency package, which depends on Debians default

 Python version (currently v2.7).

Homepage: http://www.python.org/

Original-Maintainer: Matthias Klose 

我们也可使用 dpkg 的 -p 选项,这个选项提供和 dpkg -s 相类似的信息,但是它还提供了包的校验值和包类型。

(LCTT 译注: 用 dpkg -p 查看 python3 包的信息)

$ dpkg -p python3

Package: python3

Priority: important

Section: python

Installed-Size: 67

Origin: Ubuntu

Maintainer: Ubuntu Developers 

Bugs: https://bugs.launchpad.net/ubuntu/+filebug

Architecture: amd64

Multi-Arch: allowed

Source: python3-defaults

Version: 3.6.3-0ubuntu2

Replaces: python3-minimal ( 3.1.2-2)

Provides: python3-profiler

Depends: python3.6 ( = 3.6.3-1~), libpython3-stdlib (= 3.6.3-0ubuntu2), dh-python

Pre-Depends: python3-minimal (= 3.6.3-0ubuntu2)

Suggests: python3-doc ( = 3.6.3-0ubuntu2), python3-tk ( = 3.6.3-1~), python3-venv ( = 3.6.3-0ubuntu2)

Filename: pool/main/p/python3-defaults/python3_3.6.3-0ubuntu2_amd64.deb

Size: 8712

MD5sum: a8bae494c6e5d1896287675faf40d373

Description: interactive high-level object-oriented language (default python3 version)

Original-Maintainer: Matthias Klose 

SHA1: 2daec885cea7d4dc83c284301c3bebf42b23e095

SHA256: 865e509c91d2504a16c4b573dbe27e260c36fceec2add3fa43a30c1751d7e9bb

Homepage: http://www.python.org/

Task: minimal, ubuntu-core, ubuntu-core

Description-md5: 950ebd8122c0a7340f0a740c295b9eab

Supported: 9m
aptitude 命令:查看 Debian/Ubuntu/Mint 系统上的包信息

aptitude 是 Debian GNU/Linux 包管理系统的文本界面。它允许用户查看已安装的包的列表,以及完成诸如安装、升级、删除包之类的包管理任务。这些管理行为也能从图形接口来执行。

(LCTT 译注: 用 aptitude show 查看 htop 包信息)

$ aptitude show htop

Package: htop 

Version: 2.0.2-1

State: installed

Automatically installed: no

Priority: optional

Section: universe/utils

Maintainer: Ubuntu Developers 

Architecture: amd64

Uncompressed Size: 216 k

Depends: libc6 ( = 2.15), libncursesw5 ( = 6), libtinfo5 ( = 6)

Suggests: lsof, strace

Conflicts: htop:i386

Description: interactive processes viewer

 Htop is an ncursed-based process viewer similar to top, but it allows one to scroll the list vertically and horizontally to see all processes and their full command lines. 

 Tasks related to processes (killing, renicing) can be done without entering their PIDs.

Homepage: http://hisham.hm/htop/

via: https://www.2daygeek.com/how-to-view-detailed-information-about-a-package-in-linux/

作者:Prakash Subramanian 选题:lujun9972 译者:DavidChenLiang 校对:wxy

本文由 LCTT 原创编译,Linux中国 荣誉推出

如何在 Linux 上检查一个软件包的详细信息

原创文章,作者:ItWorker,如若转载,请注明出处:https://blog.ytso.com/47678.html

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