Issue:

The following error appear when silent installing nnm in linux.

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2022-07-07 08:42:18,625 INFO - Hardware and System checks failed

2022-07-07 08:42:18,625 ERROR - There was a failure with this installation action for Network Node Manager i 2019.05. Hardware and System checks has returned a non-zero error code. Network Node Manager i will not be installed.

2022-07-07 08:42:18,626 WARN - Installation action failed.

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Workaround:

There is the following content in the installation log.

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2022-07-07 08:42:18,625 INFO - Hardware and System checks [FAILED]

2022-07-07 08:42:18,625 INFO - Initialize action for com.hp.ov.installer.ovapp.core.ActionRunner@18d6b202

2022-07-07 08:42:18,625 INFO - Exception in thread "main" java.io.IOException: Cannot run program "fc-list": error=2, No such file or directory

               at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048)

               at java.lang.Runtime.exec(Runtime.java:620)

               at java.lang.Runtime.exec(Runtime.java:450)

               at java.lang.Runtime.exec(Runtime.java:347)

               at com.hp.ov.nms.preinstall.PreDialogInstallCheck.checkFonts(PreDialogInstallCheck.java:467)

               at com.hp.ov.nms.preinstall.PreDialogInstallCheck.runChecks(PreDialogInstallCheck.java:58)

               at com.hp.ov.nms.preinstall.PreDialogInstallCheck.main(PreDialogInstallCheck.java:519)

Caused by: java.io.IOException: error=2, No such file or directory

               at java.lang.UNIXProcess.forkAndExec(Native Method)

               at java.lang.UNIXProcess.<init>(UNIXProcess.java:248)

               at java.lang.ProcessImpl.start(ProcessImpl.java:134)

               at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029)

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Executing the fc-list command in the NNM server prompts command not found.

The cause and workaround of the problem are confirmed according to the following link.

https://command-not-found.com/fc-list

The cause for Error is that the fontconfig library is missing in the system, please execute the following command to install the fontconfig library and then restart the silent installation

yum install fontconfig -y