Читать книгу Mastering Linux System Administration - Richard Blum - Страница 107
Inspecting Package Files
ОглавлениеUse the ‐q action to perform a simple query on the package management database for installed packages.
$ rpm -q bash bash-4.4.19-12.el8.x86_64 $ rpm -q zsh package zsh is not installed $
There are several options you can add to the query action to obtain more detailed information. Table 5.2 shows a few of the more commonly used query options.
TABLE 5.2: The rpm Command Query Action Options
| SHORT OPTION | LONG OPTION | DESCRIPTION |
|---|---|---|
‐c | ‐‐configfiles | Lists the names and absolute directory references of package configuration files |
‐i | ‐‐info | Provides detailed information, including version, installation date, and signatures |
| N/A | ‐‐provides | Shows what facilities the package provides |
‐R | ‐‐requires | Displays various package requirements (dependencies) |
‐s | ‐‐state | Provides states of the different files in a package, such as normal (installed), not installed, or replaced |
| N/A | ‐‐what‐provides | Shows to what package a file belongs |
You can also add the ‐i action, which provides a detailed list of information on the package.
$ rpm -qi bash Name : bash Version : 4.4.19 Release : 12.el8 Architecture: x86_64 Install Date: Sat 05 Dec 2020 08:43:49 AM EST Group : Unspecified Size : 6861588 License : GPLv3+ Signature : RSA/SHA256, Tue 21 Jul 2020 12:08:45 PM EDT, Key ID 05b555b38483c65d Source RPM : bash-4.4.19-12.el8.src.rpm Build Date : Tue 21 Jul 2020 12:03:55 PM EDT Build Host : x86-02.mbox.centos.org Relocations : (not relocatable) Packager : CentOS Buildsys <bugs@centos.org> Vendor : CentOS URL : https://www.gnu.org/software/bash Summary : The GNU Bourne Again shell Description : The GNU Bourne Again shell (Bash) is a shell or command language interpreter that is compatible with the Bourne shell (sh). Bash incorporates useful features from the Korn shell (ksh) and the C shell (csh). Most sh scripts can be run by bash without modification. $
From the output of the detailed query, you can see specific information, such as the date the package was installed and a brief description of the package.
