If you plan to run PingDirectory on a Red Hat Linux system, install a couple of packages, sysstat and pstack, that are disabled by default, but are useful for troubleshooting.
The troubleshooting tool collect-support-data uses the iostat, mpstat, and pstack utilities to collect monitoring, performance, and stack trace information on the server’s processes.
To install systat on your Red Hat system, run the following
command.
$ sudo yum install sysstat gdb dstat -y