Spectrum Upgrade Failure Error: Unable to interpret installation command Install-Tools/preinst_engine: line 273: cd: HOME not set

Products

• Network Observability

Issue/Introduction

Spectrum upgrade from 23.3.4 to 23.3.5 is failing with the following error in the preinst log file:

** Error: Unable to interpret installation command
Install-Tools/preinst_engine: line 273: cd: HOME not set

Installation Exiting:            Wed Mar 13 10:30:21 CDT 2024

cat: .timing: No such file or directory 
 

Cause

Environment Issue

Resolution

That missing file was the issue. /opt/Spectrum/UI-CONFIG.<hostname>

Because it was a directory and not a file, that was causing the core dump.

[root@host linux]# ./distinst from_file=MLS_Params.txt
Extracting installation information
Verifying extraction key
Caching installation information files
Creating installation parameters
Checking installation filters
Determining components to install
Performing host evaluation
Executing pre-installation test scripts. <<--- would crash here IIRC
Outputting installation summary to installation machine at:
/opt/Spectrum/Install-Tools/LOGS/23.3.5.0.19_20240321/summary.07.42
Preparing host information
Checking for and preserving user modified files
Running pre-installation scripts
Copying files on CD to installation
Copying Spectrum Install from CD
Extracting files
Sending record vtape.129 for mm: CORE (SS)