1. How you would troubleshoot a process hanging? 2. How would you troubleshoot slow system performance? 3. Network latency issue? 4.Cluster failover issue? 4. Application unable to start issue? 5. Last time you used your skills to handle an customer escalation?

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Troubleshooting various technical issues in a support role

For a process hanging, check the system logs and identify the process causing the issue. Use tools like strace or lsof to identify the root cause.
For slow system performance, check CPU, memory, and disk usage. Use tools like top, iostat, and vmstat to identify the bottleneck.
For network latency issues, use tools like ping, traceroute, and tcpdump to identify the source of the latency.
For cluster failover issues, check the cluster logs and identify the node causing the issue. Use tools like crm_mon or pcs status to identify the root cause.
For application unable to start issues, check the application logs and identify any error messages. Use tools like lsof or netstat to identify any port conflicts.
In handling a customer escalation, actively listen to the customer's concerns and empathize with their situation. Work with the customer to identify the root cause of the issue and provide a timely resolution.
Example: Troubleshooted a process hanging issue on a Linux server by using strace to identify a file descriptor leak in the process.
Example: Handled a customer escalation by working with the customer to identify a misconfigured network setting and providing a solution to resolve the issue.