Summary

In this chapter, we have approached a number of topics related to users, directories, and files, while introducing some related themes associated with the release of the XFS filesystem. From forcing password changes to visualizing the directory structure, restoring the root password to understanding the need for disk defragmentation, our pursuit of troubleshooting CentOS 7 has gone some way to show that the knowledge gained from resolving fundamental system-based issues directly relate to the ongoing human-based issues. It would be true to say that you can never rehearse a disastrous scenario because every event may be unique to one or more systems but, as we have seen, regardless of whether you are monitoring users, modifying users, recovering ...

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