Debian 7: System Administration Best Practices by System Administration Best Practices

Author:System Administration Best Practices
Language: eng
Format: epub
Publisher: Packt Publishing

Configuration utilities

So, what are some of the utilities provided for Debian administration? We've already mentioned a couple of specialized ones for GRUB and sendmail. There are many others that handle specific software or services, either included in the Debian package itself, or in a separate package. Here, however, we're concerned with more general utilities. The two main ones are dpkg-reconfigure and gadmin.

dpkg-reconfigure

This utility reruns the same configuration scripts that run during installation. It is run from the command line, and options can be used to vary the level of complexity of the questions asked. It is generally used when extensive, local modifications aren't required and the administrator just wants to update the basic configuration as provided by the installation scripts. It is also useful if the basic configuration has been corrupted, or changes made that have caused the package to stop working, to return it to the configuration provided immediately after installation.

It is generally not useful if the configuration requires options that are not commonly used, or if the configuration requires extensive local modifications that aren't normally covered by the installation scripts, except perhaps to return the configuration to a post-installation condition as noted previously.

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