One of the first things to consider is how to set up user groups and how to manage the root account. Although this can be changed any time, it should be done just after installation when changes will have less impact. The two basic issues are how to set up default user group assignment, and whether the root account should be disabled.
If you need dedicated infrastructure for Debian-based applications, consider a Dedicated Server Singapore for greater control over user administration, account permissions, authentication, and server resources.
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