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VirtualBox is a free and open-source hypervisor software, allows you to create and run a guest operating system (“virtual machines”) such as Linux and Windows on top of the host operating system.VirtualBox supports both software-based and Hardware-assisted virtualization. VirtualBox can be installed on host operating systems, including Linux, Windows, Solaris, OpenSolaris, and OSx86. VirtualBox is […]
Have you forgotten your root user password on Debian 9?, do not worry, I will show you here, how to reset the root password on Debian 9. You simply follow the below steps and recover (set a new password) the root password. Start your Debian 9 machine and Press any key to stop the boot […]
Nagios is an open source monitoring tool for servers, network devices, and applications. It helps you to monitor the services, resources, and applications that run on Windows as well as on Linux. Nagios also can monitor routers and other network devices. Nagios has an inbuilt web interface where we can access and monitor the whole infrastructure […]
Debian 10 / Debian 9 uses a consistent and predictable device name for network interfaces. This predictable device naming helps us to locate network interfaces where it is connected like whether it is attached to onboard or external. If you ever interested in changing interface name to eth0, then this is the tutorial for you. […]
THIS DOCUMENT IS ALSO AVAILABLE FOR RHEL 8 CentOS 7 Debian 10 Ubuntu 18.04 LEMP (a server stack) stands for Linux, Nginx, MariaDB, and PHP. Nginx is a free, open-source, high-performance HTTP web server; known for its stability, rich feature set, simple configuration, and low resource consumption. Here, we will talk about how to install […]