Test systems

Typical software development environments have several systems running the software. While usually each developer runs it on his machine, there is a continuous integration server running and versions of the software that succeed there go to an artifactory and are immediately, during the night or manually installed on a system that is called „staging“, „development“, …

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File Permissions

Everyone who uses Linux (or some Unix) knows the normal file permissions that are administered with chmod, at least to some extent. It is worth noting, what permissions of a file and the underlying directory mean. In order to read the file, one needs read rights for the file and also read and executable rights …

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