Troubleshooting best practices -- Why is the server so slow? : running out of CPU, RAM, and disk I/O -- Why won't the system boot? solving boot problems -- I can't write to the disk? : solving full or corrupt disk issues -- Is the server down? : tracking down the source of network problems -- Why won't the hostnames resolve? : solving DNS server issues -- Why didn't my email go through? : tracing email problems -- Is the website is down? : tracking down web server problems -- Why is the database slow? : track down database problems -- It's the hardware's fault! : diagnosing common hardware problems.
