Certified: The CompTIA Linux+ Audio Course
Jason Edwards
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Welcome to the Linux+ Audio Course
Linux+ for People With Jobs is a practical, audio-first course that teaches you to think and work like a real Linux administrator. You’ll learn the commands, concepts, and workflows the exam…
Episode 105 — Memory pressure: swapping, OOM, killed processes, memory leaks
Linux+ includes memory pressure because it produces symptoms that mimic application bugs, random crashes, and performance degradation, and administrators must recognize the pattern quickly. This…
Episode 104 — CPU and load: high CPU, load average, context switching, slow startup
Linux+ tests performance diagnosis because “system is slow” demands you identify which resource is constrained and which metric actually indicates the bottleneck. This episode explains high CPU usage…
Episode 103 — Secure connectivity breakage: SSH, certs, repos, ciphers, negotiation issues
Linux+ includes secure connectivity breakage because encrypted connections fail in distinct ways, and administrators must diagnose without weakening security unnecessarily. This episode frames secure…
Episode 102 — Permission failures: ACLs, attributes, account access, why it used to work
Linux+ tests permission failures because they are common, high-impact, and often misdiagnosed when administrators look only at the final file and ignore the full access path. This episode explains…
Episode 101 — SELinux failures: policy vs context vs booleans, how to think, not panic
Linux+ tests SELinux failures because they expose whether you can troubleshoot secure systems without disabling controls. This episode frames SELinux problems in three buckets: policy decisions that…
Episode 100 — Link problems: link down, negotiation failures, can’t ping server reasoning
Link-layer problems are on Linux+ because they are the first gate in network troubleshooting, and failures here can masquerade as routing, DNS, or application issues if you skip the basics. This…
Episode 99 — Interface issues: MTU mismatch, bonding, dual-stack surprises
Linux+ tests interface-level issues because they produce confusing symptoms that look like application failures until you recognize the network layer problem. This episode explains MTU mismatch as a…
Episode 98 — DHCP failures and IP conflicts: symptoms and best-next-step logic
Linux+ includes DHCP failures and IP conflicts because they are common causes of widespread “network is down” reports, and they require disciplined diagnosis. This episode explains DHCP as the…
Episode 97 — DNS vs routing vs firewall: fast isolation with minimal commands
Linux+ often tests network failures by making multiple causes plausible, then rewarding the candidate who isolates the layer quickly. This episode teaches fast isolation between DNS, routing, and…
Episode 96 — System and service failures: systemd unit failures, PATH misconfig, missing drivers
Linux+ tests system and service failures because they represent the intersection of configuration, dependencies, and runtime reality. This episode frames three common categories: systemd unit…
Episode 95 — Package and dependency breakage: what fails, what to check first
Linux+ includes package and dependency breakage because software management is a common source of outages, and administrators must troubleshoot quickly without turning a partial break into a full…
Episode 94 — Mount and write failures: won’t mount, read-only, partition not writable
Linux+ tests mount and write failures because they are common operational incidents and they require you to distinguish between device issues, filesystem issues, and permission or policy issues. This…
Episode 93 — Disk full puzzles: filesystem full vs inode exhaustion vs runaway logs
Linux+ frequently uses “disk full” as a puzzle because the same error message can come from different constraints, and the correct fix depends on which constraint is actually exhausted. This episode…
Episode 92 — Corruption and weird crashes: kernel or data corruption, segmentation faults
Linux+ includes corruption and crash symptoms because administrators must recognize when behavior indicates deeper integrity problems rather than simple misconfiguration. This episode explains…
Episode 91 — Boot failures: GRUB misconfig, kernel panic, and first-response triage
Linux+ treats boot failures as a high-value troubleshooting domain because the system is unusable until you can identify the failing stage and choose a safe recovery action. This episode frames boot…
Episode 90 — Alerting design: thresholds, events, notifications, logging, aggregation patterns
Linux+ tests alerting design because good operations is not “more alerts,” it is the right alerts that drive the right actions at the right time. This episode explains thresholds and events as two…
Episode 89 — Data collection concepts: SNMP, traps, MIBs, agent vs agentless
Linux+ includes monitoring data collection because the value of monitoring depends on how metrics and events are gathered and how reliable that gathering is. This episode introduces SNMP as a…
Episode 88 — Monitoring language: SLA vs SLI vs SLO and what healthy means
Linux+ includes monitoring concepts because administrators must describe and measure health in a way that supports decisions, not just collects metrics. This episode defines SLA, SLI, and SLO in…
Episode 87 — AI best practices for ops: safe use cases, verification, governance, prompt habits
Linux+ touches AI best practices because operators increasingly use AI to accelerate troubleshooting and documentation, and the exam’s security mindset applies to how you use tools, not just what you…
Frequently Asked Questions
Certified: The CompTIA Linux+ Audio Course has published 106 episodes since February 2026, covering topics in Courses, Education.
Certified: The CompTIA Linux+ Audio Course is currently dormant with new episodes hourly. Average episode length is 15m.
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