本文CentOS8.0环境为基础，以安装nginx说明。

CentOS8发行版 / 存储库：

• CentOS 8 主要通过两个存储库分发：BaseOS、AppStream；

• BaseOS 存储库：主要包括操作系统功能的核心，以 RPM 格式提供；

• AppStream 存储库：主要包括用户空间应用程序，支持传统的 RPM 格式的新扩展模块，可安装多个版本的组件；

一般RPM默认安装路径：

/etc             配置文件放置的目录如/etc/nginx/usr/bin         可执行文件/usr/lib         程序使用的动态库/usr/share/doc   基本的软件使用手册与帮助文档/usr/share/man   man page文件

安装nginx：

[root@server ~]# yum install nginxLast metadata expiration check: 0:29:46 ago on Thu 03 Oct 2019 11:06:11 PM CST.Dependencies resolved.=================================================================================================================================================================================================================== Package                                                   Arch                                 Version                                                              Repository                               Size===================================================================================================================================================================================================================Installing: nginx                                                     x86_64                               1:1.14.1-8.module_el8.0.0+5+258f653c                                 AppStream                               569 kInstalling dependencies: nginx-all-modules                                         noarch                               1:1.14.1-8.module_el8.0.0+5+258f653c                                 AppStream                                23 k nginx-filesystem                                          noarch                               1:1.14.1-8.module_el8.0.0+5+258f653c                                 AppStream                                24 k nginx-mod-http-image-filter                               x86_64                               1:1.14.1-8.module_el8.0.0+5+258f653c                                 AppStream                                34 k nginx-mod-http-perl                                       x86_64                               1:1.14.1-8.module_el8.0.0+5+258f653c                                 AppStream                                45 k nginx-mod-http-xslt-filter                                x86_64                               1:1.14.1-8.module_el8.0.0+5+258f653c                                 AppStream                                33 k nginx-mod-mail                                            x86_64                               1:1.14.1-8.module_el8.0.0+5+258f653c                                 AppStream                                64 k nginx-mod-stream                                          x86_64                               1:1.14.1-8.module_el8.0.0+5+258f653c                                 AppStream                                85 kEnabling module streams: nginx                                                                                          1.14                                                                                                              Transaction Summary===================================================================================================================================================================================================================Install  8 PackagesTotal download size: 877 kInstalled size: 2.0 MIs this ok [y/N]: yDownloading Packages:(1/8): nginx-filesystem-1.14.1-8.module_el8.0.0+5+258f653c.noarch.rpm                                                                                                               21 kB/s |  24 kB     00:01    (2/8): nginx-all-modules-1.14.1-8.module_el8.0.0+5+258f653c.noarch.rpm                                                                                                              20 kB/s |  23 kB     00:01    (3/8): nginx-1.14.1-8.module_el8.0.0+5+258f653c.x86_64.rpm                                                                                                                         417 kB/s | 569 kB     00:01    (4/8): nginx-mod-http-image-filter-1.14.1-8.module_el8.0.0+5+258f653c.x86_64.rpm                                                                                                   159 kB/s |  34 kB     00:00    (5/8): nginx-mod-http-perl-1.14.1-8.module_el8.0.0+5+258f653c.x86_64.rpm                                                                                                           187 kB/s |  45 kB     00:00    (6/8): nginx-mod-http-xslt-filter-1.14.1-8.module_el8.0.0+5+258f653c.x86_64.rpm                                                                                                    178 kB/s |  33 kB     00:00    (7/8): nginx-mod-mail-1.14.1-8.module_el8.0.0+5+258f653c.x86_64.rpm                                                                                                                258 kB/s |  64 kB     00:00    (8/8): nginx-mod-stream-1.14.1-8.module_el8.0.0+5+258f653c.x86_64.rpm                                                                                                              319 kB/s |  85 kB     00:00    -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------......Complete!

查询是否安装：

[root@server ~]# rpm -qa | grep nginxnginx-mod-http-xslt-filter-1.14.1-8.module_el8.0.0+5+258f653c.x86_64nginx-1.14.1-8.module_el8.0.0+5+258f653c.x86_64nginx-filesystem-1.14.1-8.module_el8.0.0+5+258f653c.noarchnginx-mod-stream-1.14.1-8.module_el8.0.0+5+258f653c.x86_64nginx-mod-http-perl-1.14.1-8.module_el8.0.0+5+258f653c.x86_64nginx-mod-http-image-filter-1.14.1-8.module_el8.0.0+5+258f653c.x86_64nginx-mod-mail-1.14.1-8.module_el8.0.0+5+258f653c.x86_64nginx-all-modules-1.14.1-8.module_el8.0.0+5+258f653c.noarch

查询安装路径：

[root@server ~]# rpm -ql nginx-1.14.1-8.module_el8.0.0+5+258f653c.x86_64/etc/logrotate.d/nginx/etc/nginx/fastcgi.conf/etc/nginx/fastcgi.conf.default/etc/nginx/fastcgi_params/etc/nginx/fastcgi_params.default/etc/nginx/koi-utf/etc/nginx/koi-win/etc/nginx/mime.types/etc/nginx/mime.types.default/etc/nginx/nginx.conf/etc/nginx/nginx.conf.default/etc/nginx/scgi_params/etc/nginx/scgi_params.default/etc/nginx/uwsgi_params/etc/nginx/uwsgi_params.default/etc/nginx/win-utf/usr/bin/nginx-upgrade/usr/lib/.build-id/usr/lib/.build-id/a3/usr/lib/.build-id/a3/539e54757c196849b8eec19e2689d081a80335/usr/lib/systemd/system/nginx.service/usr/lib64/nginx/modules/usr/sbin/nginx/usr/share/doc/nginx/usr/share/doc/nginx/CHANGES/usr/share/doc/nginx/README/usr/share/doc/nginx/README.dynamic/usr/share/licenses/nginx/usr/share/licenses/nginx/LICENSE/usr/share/man/man3/nginx.3pm.gz/usr/share/man/man8/nginx-upgrade.8.gz/usr/share/man/man8/nginx.8.gz/usr/share/nginx/html/404.html/usr/share/nginx/html/50x.html/usr/share/nginx/html/index.html/usr/share/nginx/html/nginx-logo.png/usr/share/nginx/html/poweredby.png/usr/share/vim/vimfiles/ftdetect/nginx.vim/usr/share/vim/vimfiles/indent/nginx.vim/usr/share/vim/vimfiles/syntax/nginx.vim/var/lib/nginx/var/lib/nginx/tmp/var/log/nginx

查询某文件属于哪个安装包(以/etc/nginx/nginx.conf为例)：

[root@server ~]# rpm -qf /etc/nginx/nginx.confnginx-1.14.1-8.module_el8.0.0+5+258f653c.x86_64

查询包依赖性：

[root@server ~]# rpm -qR nginx-1.14.1-8.module_el8.0.0+5+258f653c.x86_64/bin/sh/bin/sh/bin/sh/bin/shconfig(nginx) = 1:1.14.1-8.module_el8.0.0+5+258f653clibc.so.6()(64bit)libc.so.6(GLIBC_2.10)(64bit)libc.so.6(GLIBC_2.14)(64bit)libc.so.6(GLIBC_2.17)(64bit)libc.so.6(GLIBC_2.2.5)(64bit)libc.so.6(GLIBC_2.27)(64bit)libc.so.6(GLIBC_2.28)(64bit)libc.so.6(GLIBC_2.3)(64bit)libc.so.6(GLIBC_2.3.2)(64bit)libc.so.6(GLIBC_2.3.4)(64bit)libc.so.6(GLIBC_2.4)(64bit)libc.so.6(GLIBC_2.7)(64bit)libcrypt.so.1()(64bit)libcrypt.so.1(XCRYPT_2.0)(64bit)libcrypto.so.1.1()(64bit)libcrypto.so.1.1(OPENSSL_1_1_0)(64bit)libdl.so.2()(64bit)libdl.so.2(GLIBC_2.2.5)(64bit)libpcre.so.1()(64bit)libpthread.so.0()(64bit)libpthread.so.0(GLIBC_2.2.5)(64bit)libssl.so.1.1()(64bit)libssl.so.1.1(OPENSSL_1_1_0)(64bit)libz.so.1()(64bit)nginx-all-modules = 1:1.14.1-8.module_el8.0.0+5+258f653cnginx-filesystemnginx-filesystem = 1:1.14.1-8.module_el8.0.0+5+258f653copensslpcrerpmlib(CompressedFileNames) <= 3.0.4-1rpmlib(FileDigests) <= 4.6.0-1rpmlib(PayloadFilesHavePrefix) <= 4.0-1rpmlib(PayloadIsXz) <= 5.2-1rtld(GNU_HASH)systemdsystemdsystemd

先介绍到这里，后续在探索CentOS8.0的其他内容～

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