At my work, there is a system that inserts data into the DB​ hourly. From time to time some data is missing randomly, for example, 2 hours of a day in January, 10 hours in February, 24 hours in May, etc.

This is the shortest cheat sheet for those who just started working with Postfix and needs to do something with the mail queue. Postfix maintains two queues, the pending mail queue and the deferred mail

Hi everyone! Have you decided yet how you will celebrate Christmas/New Year this time? I would like to share with you five different options of what drinks I would prefer for the table. Russian I had been