Technique for solving problems

1.       Information gathering

2.       Cross-reference with similar systems

3.       Isolate problem, test!

Ø  Information gathering

ü  Log files, Kernel output, Device output

ü  Use commands such as  grep, uniq, sort, less to finding errors and indentifying the problem

Ø  Cross-reference with similar systems

ü  Comparing logs and output with a similar healthy systems

Ø  Isolate problem, test!

ü  Once we have located the errors we can fix the problem and then test it.