Java Runtime Environment

Check for JRE RPM Installation

Use this process to see if the Java JRE is installed via RPM.

List all JRE Packages

Type the following command to print the all the names of installed packages on your Linux system. Sort the output by name.

rpm -qa jre* | sort

• -q: query
• -a: all

The following example indicates that java is not installed:

[root@hdcentos rpm]# rpm -qa jre* | sort
[root@hdcentos rpm]