Set timezone date and time in Linux

Your computer has two timepieces; a battery-backed one that is always running (a.k.a. the hardware, BIOS, or CMOS clock), and another that is maintained by the operating system currently running, it’s called system clock. This document explains how to set your system clock, your timezone, and other stuff related to how linux does its time-keeping.
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Secure way to transfer files between servers

For most of the common Linux/Unix systems, they have good concepts of pipeline, which give us a chance to copy data easliy among different servers. What you need to do is to establish a instant connection between your servers, and we offen create such connections by OpenSSH. If you’re running openssh, the connection is encryped. […]
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