Copiei descaradamente isso da página em que você fez o download os pacotes
Instalando o software
Type the following command from the directory where you placed the installation file:
./<installer-file-name>
At the Welcome page of the installation wizard, click Next.
At the JUnit License Agreement page, decide if you want to install JUnit and click the appropriate option, click Next.
At the JDK Installation page, specify the directory where to install the JDK and click Next.
At the NetBeans IDE Installation page, do the following:
Specify the directory for the NetBeans IDE installation.
Accept the default JDK installation to use with the IDE or specify another JDK location.
Click Next.
Review the Summary page to ensure the software installation locations are correct.
Click Install to begin the installation.
At the Setup Complete page, provide anonymous usage data if desired, and click Finish.
When the installation is complete, you can view the log file, which resides in the following directory: ~/.nbi/log.
Nota: Se você optar por instalar este pacote em um local do sistema como / usr / local, primeiro faça o login como root para obter as permissões necessárias.