按照不同标签来查看软件包信息
# export LANG=en_US.UTF-8
# yum info httpd
你可以自由地定义输出格式：
# rpm -q --qf '%{name}-%{version}-%{release}.%{arch}\n' httpd
# rpm -q --qf '%{name}-%{version}-%{release}.%{arch}\n' -p httpd-2.4.6-88.el7.centos.x86_64.rpm
# rpm -q --qf '%{summary}\n%{description}\n' httpd
参考
How to RPM Query for Packages on Linux
https://linoxide.com/linux-command/how-to-rpm-query-packages-on-linux/
rpm -qa and architecture info
https://www.redhat.com/archives/redhat-list/2010-March/029638.html
Querying for RPM package infomation
https://www.ibm.com/support/knowledgecenter/en/SS2MB5_14.1.0/com.ibm.xlf141.bg.doc/install/query_rpm.html
CentOS: List the installed RPMs by date of installation/update?
https://unix.stackexchange.com/questions/2291/centos-list-the-installed-rpms-by-date-of-installation-update?noredirect=1&lq=1
https://books.google.ca/books?id=PrepsktXgScC&pg=PA749&dq=rpm+-q+--qf&hl=zh-CN&sa=X&ved=0ahUKEwjxsZ-KybbhAhWZHDQIHW7yCy8Q6AEIKzAA#v=onepage&q=rpm%20-q%20--qf&f=false
