Author Archives: systemadmin

how to use cp command.
How To Use Cp Command. In this article, we will explain how to use the cp command. When working on Linux and Unix systems, copying files and directories is one...
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How to use du command.
How To Use Du Command. The du command, short for “disk usage” reports the estimated amount of disk space used by given files or directories. It is practically useful for...
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How to Increment and Decrement Variable in Bash
How To Increment And Decrement Variable In Bash One of the most common arithmetic operations when writing Bash scripts is incrementing and decrementing variables. This is most often used in...
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How to Install Ubuntu 20.04 on Windows 10.
NOTE: If you want to learn Linux (ubuntu), this is a very good and simple way to learn, I hope you like this article. Ubuntu is a very stable and...
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How to Find/Get your IP Address
How To Find/Get Your IP Address This article explains several different methods of determining the public and private IP Addresses of a Linux system. Knowing the IP address of your...
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How to Add User to Sudoers in CentOS
How To Add User To Sudoers In CentOS sudo is a command-line utility designed to allow trusted users to run commands as another user, by default the root user. You...
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How to Check for Listening Ports
How To Check For Listening Ports This article explains how to use the netstat, ss and lsof commands to find out which services are listening on which ports. The instructions...
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How to use Rsync Command
How To Use Rsync Command This article explains how to use rsync through practical examples and detailed explanations of the most common rsync options. Rsync can be used for mirroring...
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How to Exclude Files and Directories with Rsync
How To Exclude Files And Directories With Rsync In this tutorial, we will show you how to exclude files and directories with rsync. With Rsync you can mirror data, create...
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How to Transfer Files with Rsync over SSH
How To Transfer Files With Rsync Over SSH In this tutorial, we will explain how to files with rsync over SSH. When it comes to transferring files between systems on...
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