- Bash history allows an administrator to see a list of commands recently executed on the server, which comes in handy when looking at what was done to solve an issue in the past or trying to cross-reference recent issues to recently executed commands
- A successful root cause analysis assists in the troubleshooting process as it can provide an overview of the underlying issue or initial cause of disruption
- A description of the issue, the related application or hardware, what was discovered during the process, and what was done to resolve it
- /var
- head, tail, less
- nslookup, dig, host
- spci
Chapter 16 – Troubleshooting Ubuntu Servers
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