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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。
英文直译是“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 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
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。
英文直译为“(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.
时髦版的 Yum(Dandified 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。Aleš Kozumplík 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。
指“(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).
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... Information for package nano: ----------------------------- Repository : Main Repository (OSS) Name : nano Version : 2.4.2-5.3 Arch : x86_64 Vendor : openSUSE Installed Size : 1017.8 KiB Installed : No Status : not installed Source package : nano-2.4.2-5.3.src Summary : Pico editor clone with enhancements Description : GNU nano is a small and friendly text editor. It aims to emulate the Pico text editor while also offering a few enhancements.
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。
意即(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
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 (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 (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 (= 2.7.14-1~), 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 (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 (= 3.6.3-1~), 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: 9maptitude 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/
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