To keep the work interesting and to save time, it is important to automate repetitive and recurring tasks as much as possible. The most important and most commonly used application to do this on Unix systems is cron.
Network Time Protocol (NTP)
To reliably schedule tasks, it is important that the system clock is precise. NTP (Network Time Protocol) prevents the clock from deviating too much by periodically synchronizing it with other, more precise clocks on the network. These clocks do not need to be in the same time ...
