First, the bad news: Something is going to go wrong. Commands will fail, programs will crash, and configurations will have errors.
Now the good news: There are techniques to handle these problems. Troubleshooting is not just taking a “stab in the dark.” You should take specific steps when things go wrong in order to determine the problem and identify the best solution.
In this chapter, you learn the techniques and practices you should follow when things do not work out quite the way you were hoping. You also discover techniques that you can use as an administrator to inform users about system issues.
After reading this chapter and completing the exercises, you will be able to do the following:
Correctly use troubleshooting ...