An IT professional who is a Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting is capable of performing the following tasks:

• Understanding and employing general methods for troubleshooting
• Diagnosing and troubleshooting system start up issues
• Diagnosing and troubleshooting file system issues
• Resolving package management issues
• Troubleshooting and fixing network connectivity issues
• Diagnosing application issues
• Identifying and fixing authentication issues
• Gathering information to aid third party investigation of issues