Linux Admin / Systems Engineer
Keep systems healthy when something breaks.
Linux and systems engineers work close to operating systems and infrastructure. Real work is less about memorizing commands and more about asking the next useful question, reading evidence and changing systems carefully.
Career path
14 tasks that grow with you
PHASE 1
Logs & Evidence
Navigate the server and build an evidence trail from application logs.
Move into the application logs
Linux · Navigation · Incident response
LockedBriefing requiredSee every file in the logs folder
Linux · Files · Observation
LockedBriefing requiredFind the error signal in the application log
Linux · Logs · Text search
LockedBriefing requiredInspect the newest log context
Linux · Logs · Incident response
LockedBriefing requiredPHASE 2
Disk Recovery
Diagnose disk pressure and test a safer recovery path before making changes.
Confirm the disk pressure alert
Linux · Capacity · Monitoring
LockedBriefing requiredFind what is consuming the disk
Linux · Capacity · Evidence
LockedBriefing requiredInspect the log rotation policy
Linux · Configuration · Log rotation
LockedBriefing requiredTest the safer recovery path
Linux · Operational safety · Log rotation
LockedBriefing requiredPHASE 3
Services & Connectivity
Investigate performance, ports, service state and journal evidence.
Inspect a performance alert
Linux · Processes · Monitoring
LockedBriefing requiredFind what is listening on port 80
Linux · Networking · Services
LockedBriefing requiredCheck the nginx service state
Linux · Services · Operational safety
LockedBriefing requiredRead the nginx service journal
Linux · Logs · Services
LockedBriefing requiredPHASE 4
Permissions & Recovery
Trace a permissions problem and apply a controlled least-privilege fix.
Inspect a monitoring permission problem
Linux · Permissions · Security
LockedBriefing requiredApply the approved least-privilege permission fix
Linux · Permissions · Least privilege
LockedBriefing required