VIRTUALBOX.
VirtualBox is a multipurpose software used in virtualizing Intel processor x86 computing architecture. It is a user-friendly graphical user interface and command-line tool that allows users to deploy servers, desktops, and insert operating systems as virtual machines. It will enable administrators and users to run multiple guests operating systems on a single host smoothly. The host is any operating system in which the VirtualBox runs on while the operating system running in the virtual machine is a guest operating system.
The main assumptions of VirtualBox are:
It allows for the addition of guest operating systems, which means the sharing of folders is possible.
It is portable. Virtual box on most of the 64-bit and 32-bit operating systems and has excellent hardware support.
It comes with a Remote Desktop Extension, a feature that enables remote access to any running virtual machine in high performance.
VirtualBox is an oracle virtual machine software that comes in different packages, and the installation of the packages depends on the operating system of the host. VirtualBox uses easy and most common installation methods. It is split into two components;
- The base package, which is licensed under the GNU General Public License V2, and it consists of all open source components.
- The extension packs, this pack contains mainly additional extension packs that can be download to extend the functionality of the base package. The features include; the virtual USB settings, the VirtualBox Remote Desktop Protocol Support, which aids in the remote display, host webcam pass through, and encryption of Disk images.
The VirtualBox base package has given license under the GNU General Public License, Version 2, and it contains full VirtualBox source code and platform binaries. It is distributed as an open-source. The license is perpetual and cannot be taken back unless it is violated. VirtualBox offers a permit called the Oracle VirtualBox Extension Pack Enterprise, at a fee for commercial use but free for personal use. The license covers businesses, organizations, governmental organizations, or education institutions. The permit helps in better management, tracking, and recording the software’s usage within the company and ensure proper installation of software and updates containing the latest security patches.
Managers must be up-to-date with new methodologies and technologies regarding facility management, as there are always new constraints and challenges. The challenges facing facility management includes; efficiently managing failure, management of expectations and time, controlling the costs, and implementation of the right technology.
SLA- Service-level Agreement is the level of services a customer expects from a supplier, laying out the metrics of the service measurement, and the remedies, if any, should the agreed-on service levels not be achieved.
An SLA brings together information about all contracted services and their agreed-upon expected reliability into one document. Metrics, expectations, and responsibilities are clearly stated, in the event of issues with the service, neither of the parties involved can plead ignorance. The SLA protects both parties in agreement with having the same understanding of requirements.
Training on the usage of virtual machines is essential as it helps eliminate possible data errors. Virtualization comes in with several advantages to the company, and therefore employee training is advised on the usage to facilitate better results. Garbage in, Garbage out means that regardless of the accuracy of a program’s logic, the out will not be correct if the input is invalid. An application gives out inaccurate outcomes due to the erroneous data it is provided with because a computer always attempts to process the information it is given. Garbage can be any data that is filled with errors but can also be the data containing no applicability to the specific circumstances. Garbage In, Garbage Out concept applies only to the programs that provide invalid data. Employees and end-users should be trained on good programming practices, which dictates that functions should check for the validity of the input before processing it.
Engaging the use of virtual machines requires the internet and, therefore, Internet Service Providers. When choosing the Internet Service Providers for a business, the necessary criteria to consider is the speed of the internet, price, types of Service-level Agreement, and the network. Most importantly, the organization should find an Internet Service Provider that has a broader area network coverage to be accessed even in remote locations. Instances where their networks cannot be reached remotely, knowledge of their points of presence, and network partners are essential.
As technical support is vital to an organization, learning on the edge and co-location service of the Internet Service Providers is critical. It matters to the organizations since reliability and low latency aids in improving workloads running in well-connected data centers. The security services offered by Internet Service Providers are fundamental to keep the network reliable ad trustworthy while protecting the privacy of the company.
References
Carpenter, B., & Jiang, S. (2013). IPv6 guidance for internet content providers and application service providers. https://doi.org/10.17487/rfc6883
Dash, P. (2013). Getting started with Oracle VM VirtualBox. Packt Publishing.
Duckett, G. A. (2016). VirtualBox: Questions and answers. Createspace Independent Publishing Platform.
Romero, A. V. (2010). Virtualbox 3.1: Beginner’s Guide. Packt Publishing.
Sinha, S. (2016). Installing a virtual box. Beginning Ethical Hacking with Python, 9-11. https://doi.org/10.1007/978-1-4842-2541-7_3
Wood, T., Shenoy, P., Venkataramani, A., & Yousif, M. (2009). Sandpiper: Black-box and gray-box resource management for virtual machines. Computer Networks, 53(17), 2923-2938. https://doi.org/10.1016/j.comnet.2009.04.014