Install VirtualBox Guest Additions on Ubuntu 21.04

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Install VirtualBox Guest Additions on Ubuntu 21.04
If you have installed Ubuntu 21.04 on VirtualBox, you realize that it is not in fullscreen. In this guide, you will learn how to install VirtualBox guest additions on Ubuntu 21.04. Apart from enabling the virtual machine to have a full screen view, guest additions offers many other features; Mouse pointer integrationShared folders for easy sharing of files between the...

Setup Kibana Elasticsearch and Fluentd on CentOS 8

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Hello there. In this tutorial, you will learn how to setup Kibana Elasticsearch and Fluentd on Ubuntu CentOS 8. Normally, you would setup Elasticsearch with Logstash, Kibana and beats. But in this setup, we will see how Fluentd can be used instead of Logstash and Beats to collect and ship logs to Elasticsearch, a search and analytics engine. So,...

Enable SSH 2-Factor Authentication on Ubuntu 18.04

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Welcome to our guide on how to enable SSH 2-Factor authentication on Ubuntu 18.04 system. Under normal circumstances, we usually login to a remote system with SSH using either a normal username and password combination or a public key. In order to add another layer of security such that you need to verify who you tell the system you are,...

Setup Squid Proxy Authentication on Ubuntu 18.04/Fedora 29/28/CentOS 7

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Welcome to our guide on how to setup basic Squid Proxy authentication on Ubuntu 18.04/Fedora 29/28/CentOS 7 with username and password. You may also want to check our previous article on how to install and configure Squid Proxy on Fedora 29/Fedora 28/CentOS 7. Setup Squid Proxy Authentication on Ubuntu 18.04/Fedora 29/28/CentOS 7 In order to setup Squid proxy authentication on Ubuntu...

Configure Rsyslog on Solaris 11.4 to Send logs to Remote Log Server

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In this guide, we are going to learn how to configure rsyslog on Solaris 11.4 to send logs to remote log server. By default, Solaris 11.4 used the native syslog as the default log manager. You can verify this by running the command below; svcs system-log STATE STIME FMRI disabled...

How to Install Yarn on Debian 10 Buster

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In this guide, we are going to learn about how to install Yarn on Debian 10 Buster. Yarn is a java script package manager that enables you to use and share your code with other developers quickly, securely, and reliably through a package which contains all the code being shared as well as a package.json file which describes the package. Install Yarn...

4 Reasons Why Home and Remote Workers Should Use a VPN

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Technology has made it easy for people to work from anywhere in the globe, even if they have never met their employers. And while some companies may not consider this option, sometimes employees end up carrying home some unfinished projects or tasks to handle them from there. All these people working away from the office have access to sensitive information...

Install and Setup BackupPC Server on Ubuntu 20.04

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 BackupPC is a high-performance enterprise-grade cross-platform backup software suite with a web-based frontend. It can be used for backing up Linux, Windows and Mac OSXs PCs and laptops to a server’s disk. In this guide, we are going to learn how to install and setup BackupPC Server on Ubuntu 20.04. BackupPC provides quite a number of features; Provides a web interface which allows administrators...

Uncomment Lines in a File using SED in Linux

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Uncomment Lines in a File using SED in Linux
In this tutorial, you will learn how to uncomment lines in a file using SED in Linux. According to man sed, "Sed is a stream editor. A stream editor is used to perform basic text transformations on an input stream (a file or input from a pipeline). While in some ways similar to an editor which permits scripted edits...

Install MongoDB on Rocky Linux 8

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This guide provides a step-by-step tutorial on how to install MongoDB on Rocky Linux 8. MongoDB is a cross-platform document-oriented and a NoSQL database program. Install MongoDB on Rocky Linux 8 Create MongoDB RPM Repository As of this writing, the official default repositories for Rocky Linux 8 do not provide MongoDB packages. Thus, in order to install MongoDB on Rocky Linux, you need...