The z/OS UNIX certbundle command debug options

-d
Generates debug information during command processing. You can specify an optional debuglevel value when you use the -d option. The debug level determines the level of debug information output to stdout. The debug information accumulates as the level number increases; for example, debug level 3 also includes the information from level 1 and level 2.
debuglevel
The following debug levels are available:
1
Generate functional-level debug information in stdout in a formatted form.
2
Generate additional information in stdout in a formatted form. Example additional information includes key ring and certificate operations.
3
Generate verbose information in stdout in a formatted form. Example verbose information includes file parsing and memory management. This value is the default debug level.