10. Kernel Issues Troubleshooting-EX342
Gather information to aid third party investigation of issues
- Create kernel crashdumps
- Compile and execute SystemTap modules
Generally speaking to compile a stap module
there are different examples on the web you can download to test.
stap -v stapexample.stp
- Generate sos reports
According to the Linux man page sosreport is used to collect and package diagnostic and support data. It will allow the user to generate an archive of configuration and diagnostic information from the running system.
To List all options and available plugins :
To Generate Reports:
run with out module use the option ( n ) meaning excluding the module we will use yum as an example here.
run with a module use the option ( e ) for example xfs