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Working as a freelance Linux consultant, I see a lot of my clients struggle with the problem of access control on a Linux server. Access control restrictions are the basic process of assigning limited user accounts to consultants or employees on your Linux server. It may seem like access control is not a big problem for most people (a common argument that I hear is that my clients trust their consultants or employees), but access control restrictions exist for purposes other than keeping people honest.
Access control restrictions on a Linux server are necessary to prevent intentional or accidental damage to your server (every system administrator can tell a story of how one command ran unexpectedly). In addition, access control restrictions help to protect sensitive information (passwords of others, credit card information, etc) from being accidentally or maliciously used. An example of how someone can accidentally misuse sensitive information is in the case of backups. If a coder is working on your server, and creates a backup of the database for your WordPress database, he or she might decide to make a backup of the entire database server. In doing so, the coder might…
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Source by Christopher Pace
