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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Please check it out on https://github.com/RHL120/runas.
pam provides a "safe" interface to the PAM API. Although, it is far from complete and from my experience has some problems with Ubuntu-based systems.
[pam-sys][https://github.com/1wilkens/pam-sys] provides an FFI interface to libpam. This is way more proposing, but you have to do everything yourself. You will still have the Ubuntu problems, but you can deal with them now at least.
NOTE:
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