查看 yum 安装软件包的路径

yum：列出已安装的安装包

[root@localhost ~]#  yum list | grep mysql
akonadi-mysql.x86_64                    1.9.2-4.el7                    base     
apr-util-mysql.x86_64                   1.5.2-6.el7                    base     
dovecot-mysql.x86_64                    1:2.2.10-5.el7                 base     
freeradius-mysql.x86_64                 3.0.4-6.el7                    base     
libdbi-dbd-mysql.x86_64                 0.8.3-16.el7                   base     
mysql-connector-java.noarch             1:5.1.25-3.el7                 base     
mysql-connector-odbc.x86_64             5.2.5-6.el7                    base     
pcp-pmda-mysql.x86_64                   3.10.6-2.el7                   base     
php-mysql.x86_64                        5.4.16-36.3.el7_2              updates  
php-mysqlnd.x86_64                      5.4.16-36.3.el7_2              updates  
qt-mysql.i686                           1:4.8.5-12.el7_2               updates  
qt-mysql.x86_64                         1:4.8.5-12.el7_2               updates  
redland-mysql.x86_64                    1.0.16-6.el7                   base     
rsyslog-mysql.x86_64                    7.4.7-12.el7                   base

rpm -qa 查询所有安装的rpm包，可以配合grep命令：

[root@localhost ~]# rpm -qa httpd
httpd-2.4.6-40.el7.centos.4.x86_64

rpm -qi 查询某个具体包的介绍：

[root@localhost ~]# rpm -qi httpd
Name        : httpd
Version     : 2.4.6
Release     : 40.el7.centos.4
Architecture: x86_64
Install Date: 2016年07月29日 星期五 13时01分28秒
Group       : System Environment/Daemons
Size        : 9806117
License     : ASL 2.0
Signature   : RSA/SHA256, 2016年07月19日 星期二 00时05分16秒, Key ID 24c6a8a7f4a80eb5
Source RPM  : httpd-2.4.6-40.el7.centos.4.src.rpm
Build Date  : 2016年07月18日 星期一 23时32分11秒
Build Host  : worker1.bsys.centos.org
Relocations : (not relocatable)
Packager    : CentOS BuildSystem <http://bugs.centos.org>
Vendor      : CentOS
URL         : http://httpd.apache.org/
Summary     : Apache HTTP Server
Description :
The Apache HTTP Server is a powerful, efficient, and extensible
web server.

rpm -ql 列出某个具体包的所有文件：

[root@localhost ~]# rpm -ql httpd
/etc/httpd
/etc/httpd/conf
/etc/httpd/conf.d
/etc/httpd/conf.d/README
/etc/httpd/conf.d/autoindex.conf
/etc/httpd/conf.d/userdir.conf
/etc/httpd/conf.d/welcome.conf
/etc/httpd/conf.modules.d
/etc/httpd/conf.modules.d/00-base.conf
/etc/httpd/conf.modules.d/00-dav.conf
/etc/httpd/conf.modules.d/00-lua.conf
/etc/httpd/conf.modules.d/00-mpm.conf
/etc/httpd/conf.modules.d/00-proxy.conf
/etc/httpd/conf.modules.d/00-systemd.conf
/etc/httpd/conf.modules.d/01-cgi.conf
/etc/httpd/conf/httpd.conf
/etc/httpd/conf/magic
/etc/httpd/logs
/etc/httpd/modules
/etc/httpd/run
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