In this chapter, we will examine the following topics:
- What is troubleshooting?
- Isolating the real issue
- Giving estimates and deciding on next steps
- Using ss, iftop, tcpdump, and others for network issues
- Using curl, wget, and openssl for remote web issues
- Using itop, top, and vmstat for local resource issues
- Using ps, lsof, strace, and /proc for service issues
- Making a copy of problems for later debugging
- Temporary solutions and when to invoke them
- Handling irate developers
- Handling irate managers
- Handling irate business owners
