Month: July 2019

How to use rsync command on Linux/Unix with examples

From the man page of rsync, Rsync is a fast and extraordinarily versatile file copying tool. It can copy locally, to/from another host over any remote shell, or to/from a remote rsync daemon. It offers a large number of options that control every aspect of its behavior and permit very flexible specification of the set of files to be copied. It is famous for its delta-transfer algorithm, which reduces the amount of data sent over the network by sending only the differences between the source files and the existing files in the destination.

Source: How to use rsync command on Linux/Unix with examples – Computing for Geeks

How to use scp command to securely transfer files with examples

Introduction The scp command is used to copy files and directories between one computer to another. What is valuable about this utility is the fact that it used ssh to tunnel the copying. This means that the data is encrypted because it rides on ssh’s secure features.

Source: How to use scp command to securely transfer files with examples – Computing for Geeks

Doing Date Math on the Command Line, Parts I & II | Linux Journal

If you’ve ever used a spreadsheet, you’ve probably used or seen functions for doing date math—in other words, taking one date and adding some number of days or months to it to get a new date, or taking two dates and finding the number days between them. The same thing can be done from the command line using the lowly date command, possibly with a little help from Bash’s arithmetic.

Source: Doing Date Math on the Command Line, Part I | Linux Journal

Source: Doing Date Math on the Command Line – Part II | Linux Journal

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