downtimed is a program for monitoring operating system downtime, uptime, shutdowns and crashes and for keeping record of such events.
This is a daemon process which is intended to be started automatically from system boot scripts every time when the operating system of a server starts. First the daemon logs its findings about the previous downtime to a specified logging destination as well as in a database file which can be displayed with downtimes command.
Thereafter the downtimed daemon just keeps waiting in the background and periodically updates a time stamp file on the disk. The time stamp is used to determine the approximate time when the system was last up and running. In case of a graceful system shutdown it records a stamp to another file on the disk. These files are used for reporting the next time the daemon starts.
The downtimes command displays the contents of the downtime database in human readable format. The downtime database is maintained by downtimed.
The singular form downtime displays details only about the last time the system was down, whereas the plural form downtimes displays all records in the database. The −n option can be used to specify the number of downtime records to display.
This is cross-platform software which is free and open source.
Website: dist.epipe.com/downtimed
Support:
Developer: EPIPE Communications
License: BSD 2-Clause “Simplified” License
downtimed is written in C. Learn C with our recommended free books and free tutorials.
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