SysAdmin

How to Start, Stop, and Restart Nginx (systemctl & Nginx Commands)

May 20, 2020

Knowing how to start, stop and restart Nginx is essential for managing an Nginx web server. For example. whenever making any configuration changes to Nginx you need to restart or reload the Nginx service. This tutorial outlines efficient methods for starting, stopping and restarting Nginx.

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How to Use fsck Command to Check and Repair Filesystem

May 14, 2020

If you want to keep your filesystems clean and without errors, you need to scan it on regular basis. In this guide, you can find all fsck commands that will help you maintain your filesystem health.

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How To Customize Bash Prompt in Linux

May 12, 2020

Follow this article to learn how to make changes to your BASH prompt. The guide shows how to edit the bashrc file, as well as how to modify PS1 variables. Use the information in this tutorial to change the appearance of your BASH prompt.

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How to Install Hadoop on Ubuntu 18.04 or 20.04

May 11, 2020

This detailed guide shows you how to download and install Hadoop on a Ubuntu machine. It also contains all the configuration files you need to set up Hadoop in a single-node cluster. Find out how to access and manage your new cluster using a user-friendly interface.

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How to Install NumPy

May 8, 2020

NumPy (Numerical Python) is an open-source library for the Python programming language. It is used for scientific computing and working with arrays. This tutorial outlines how to install NumPy on popular Operating Systems.

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How to Upgrade to Ubuntu 20.04

May 7, 2020

Ubuntu 20.04 (Focal Fossa) is the newest Ubuntu LTS release. You can upgrade to the latest release from an existing 18.04 or 19.10 system in a couple of simple steps.

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How to Grep for Multiple Strings, Patterns or Words

May 5, 2020

This tutorial lists multiple examples on how you can use the grep tool to search for multiple string patterns in a file. THe guide shows you how to utilize this tool most effectively to print the results you need.

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How to Install Anaconda on CentOS 8

May 4, 2020

If you want to install the world's most popular Python-based data science platform, Anaconda, on your CentOS 8 machine, this guide provides everything you need. The steps detail how to install and update Anaconda, as well as how to uninstall it from the system.

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How to Undo and Redo Changes in Vim / Vi

April 28, 2020

Mastering basic Vim commands includes learning how to undo and redo changes in this text editor. Knowing how to undo and redo in Vim will help you speed up and simplify working with content and files.

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How to Install Java on Raspberry Pi

April 25, 2020

This article guides you through the Java installation process on Raspberry Pi. You will also learn how to set the system-wide Java version in use as well as define the JAVA_HOME path environment variable.

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