All Episodes
Displaying 1 - 20 of 124 in total
Episode 124 — Misconfigured NICs and VLANs — Interface Troubleshooting Tactics
This episode explains how misconfigured network interface cards (NICs) and VLAN settings can disrupt server connectivity. We cover issues such as incorrect VLAN taggin...
Episode 123 — Network Connectivity Issues — DHCP, DNS, and Route Problems
This episode focuses on diagnosing network connectivity failures by examining IP assignment, name resolution, and routing paths. We explain how DHCP misconfigurations ...
Episode 122 — Configuration and Service Failures — Improper Setup and Missing Resources
This episode covers how incorrect configurations and missing dependencies can prevent services from starting or functioning correctly. We discuss common causes, such a...
Episode 121 — Dependency and Update Conflicts — Software Incompatibility Resolution
This episode explains how dependency issues and update conflicts can cause application or service failures. We discuss scenarios where software relies on specific vers...
Episode 120 — OS and Software Problems — Login Issues and Patch Failures
This episode addresses troubleshooting operating system and application problems, including failed logins, service outages, and patch installation errors. We explain h...
Episode 119 — Partition and Filesystem Errors — Misalignment, Corruption, and Boot Failures
This episode examines how partition and file system errors can impact server operations. We explain problems such as partition misalignment reducing performance, corru...
Episode 118 — HBA and Controller Issues — Advanced Storage Adapter Failures
This episode focuses on diagnosing problems with host bus adapters (HBAs) and storage controllers, which are critical for connecting servers to storage devices. We dis...
Episode 117 — Storage Failures — Mount Errors, Slow Access, and File Corruption
This episode covers how to identify and resolve storage-related failures in server environments. We explain symptoms such as inability to mount volumes, significantly ...
Episode 116 — RAID Misconfigurations — Faulty Arrays, Rebuilds, and Bad Sectors
This episode explains how RAID misconfigurations can lead to degraded performance, data loss, or complete array failure. We discuss common causes such as incorrect dri...
Episode 115 — Visual and Auditory Cues — LED, LCD, and Unusual Sounds or Smells
This episode examines how to use visual and auditory indicators to troubleshoot hardware problems. We discuss interpreting status LEDs, reading LCD panel error codes, ...
Episode 114 — CMOS Battery and Lockup Events — Diagnosing Time and Power Problems
This episode covers how a failing CMOS battery can cause time drift, loss of BIOS settings, and boot failures. We explain the function of the CMOS battery in maintaini...
Episode 113 — POST Errors and Random Lockups — Identifying Hardware Start Failures
This episode explains how to diagnose Power-On Self-Test (POST) errors and intermittent system lockups that indicate potential hardware problems. We discuss common bee...
Episode 112 — Memory-Related Issues — Dumps, Crashes, and RAM Errors
This episode focuses on troubleshooting server memory problems, from application crashes to full system halts. We explain how to interpret memory dumps, identify fault...
Episode 111 — Predictive Failures — Early Warning Signs and Indicators
This episode explains how predictive failure technologies and monitoring tools can identify hardware issues before they cause outages. We discuss using SMART data for ...
Episode 110 — Troubleshooting Documentation — Recording Actions and Outcomes
This episode focuses on documenting troubleshooting activities from the initial problem report to the final resolution. We discuss capturing details about symptoms, di...
Episode 109 — Root Cause Analysis — Preventing Future Incidents
This episode covers how to conduct a root cause analysis (RCA) to determine why a problem occurred and how to prevent its recurrence. We explain how to gather evidence...
Episode 108 — Functional Verification — Ensuring System Stability Post-Fix
This episode explains the importance of verifying that a system is fully functional after implementing a fix. We discuss running validation tests, confirming service a...
Episode 107 — Change Implementation — Testing and Controlled Changes
This episode focuses on executing the planned solution in a controlled environment. We cover making one change at a time, monitoring for its effect, and ensuring each ...
Episode 106 — Establishing a Plan of Action — Solution Planning and Notifications
This episode explains how to create a detailed plan of action once the root cause of a problem is identified. We discuss outlining step-by-step remediation tasks, sequ...
Episode 105 — Testing the Theory — Verification and Adjustment Techniques
This episode focuses on testing the theory of probable cause to confirm whether it explains the observed issue. We discuss performing controlled changes, using diagnos...