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Server Virtualization and Consolidation
Streit, Jan ; Kubát, David (referee) ; Ondrák, Viktor (advisor)
This Bachelor Thesis is focused on an application of virtualization in a small company with limited financial resources. It analyses the infrastructure of IT in the company. The Thesis also analyses an overview of technologies available and compares them. The crucial part of the Thesis is a selection of the best solution and description of its implementation including the setting. In conclusion, the Bachelor Thesis interprets economic benefits of the solution for the company
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Techniques of Virtualisation of Computing Platforms in Linux
Župka, Jiří ; Kumpošt, Marek (referee) ; Vojnar, Tomáš (advisor)
The thesis tests and compares various existing virtualization tools for virtualization of computing platforms and explains important conceptions of virtualization technology. It's main contribution is a performance, efficiency, scalability and robustness comparison of virtualization tools. This comparison should help the Redhat company to make a decision whether they should leave XEN as a main virtualization tool in their distributions and move on to another newer and more user friendly virtualization tool like KVM.
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Virtualization for the x86 platform
Müller, Pavel ; Kyselý, František (referee) ; Pelka, Tomáš (advisor)
A thesis describes a virtualization of x86 platform. In the first part the virtualization, its utilization and specific types of virtualization are described in a general way. The specific types of virtualization are full virtualization, paravirtualization, virtualization on core level, hardware virtualization and application virtualization. There is also described a general function of virtual machine, reasons of virtualization implementing, current development, focusing on future development and virtualization security. In the second part the thesis tries to find a solution with establishment charges of virtualization. To test purposes the following software programs were used. The first one is freeware benchmark Sandra from SiSoft company and second one is a software created on the basis of the thesis. For the tests the CPU overhead both an arithmetic-logical unit and a unit for work with numbers and floating decimal point, a RAM data transmission efficiency and a hard disk logging rate were chosen. The following test machines were described: VMWare, VirtualBox and Xen. In the third and the last part of the thesis is a description of network interface virtualization methods with a utilization of tun and tap system. In each particular step a virtual network interface creation and implementation are presented. Model situations of communication among virtual and physical machines with usage of these devices are described at the end of the thesis.
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Network Performance in Virtualized Environment
Hlaváček, Martin ; Puš, Viktor (referee) ; Kaštovský, Petr (advisor)
The thesis deals with problems concerning network performance in virtualized environment. There is an opening presentation of basics and techniques of virtualization. It describes network communication issues on virtualized environment such as Xen, KVM and VMware. There are also mentioned factors affecting network communication. Finally the performance of those environments is measured and results are analyzed.
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Software Testing
Vadkerti, Miroslav ; Kořenek, Jan (referee) ; Martínek, Tomáš (advisor)
The aim of the thesis is to design a methodology for automatized source code testing for the project Liberouter. The designed methodology allows testing the compatibility and usability of the given software on a large scale of variants of supported platforms. The methodology is implemented in programming language Perl as an automatized server working with VMware Server virtualization software.
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Key Management Server for vSphere 7.0 Environment
Dejmal, David ; Homoliak, Ivan (referee) ; Malinka, Kamil (advisor)
The purpose of this work is to create a functional Key Management Server (KMS) with basic functionality for the vSphere 7.0 platform. It should communicate with vCenter and together provide the functionality to encrypt individual virtual machines. Commercial solutions in this area are very expensive and therefore the question arose whether the entire server can be implemented using freely available tools. Since vCenter uses the publicly available KMIP protocol to communicate with KMS, it turns out to be possible. The resulting implementation is based on the Ubuntu 20.04 operating system. The PyKMIP library for python 3.9 was used for the application logic and ETCD as storage. To connect the application and storage, a custom module was created. Bash scripts were created for whole installation and all of the necessary configuration. The overall result is fully functional and no flaws were found during testing. This work was done in cooperation with Master Internet, s.r.o.
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Srovnání serverových virtualizačních platforem pro potřeby MENDELU
Šupola, Martin
The thesis deals with comparison of server virtualization platforms with needs of Mendel University. Real tests of each selected virtualization platform are per-formed as required by the Department of Information Technology. Based on the test results, a suitable solution for the university is suggested and costs of deploy-ing and operating of various virtualization platforms are economically evaluated.
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System for Automated Server Administration
Pavelka, Martin ; Pánek, Richard (referee) ; Krčma, Martin (advisor)
The goal of this diploma thesis is to design the user interface and implement the information system as a web application. Using the custom implemented library the system communicates with GraphQL server which manages the client data. The thesis describes possible solutions for physical servers automatization. The application provides the application interface to manage virtual servers. Automatization is possible without human interaction. Connection to the virtualization technologies is handled by web interface APIs or custom scripts running in the virtual system terminal. There is a monitoring system built over project components. The thesis also describes the continuous integration using Gitlab tools. Running the configuration task is solved using the Unix CRON system.
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Laboratory exercises explaining network technologies using various simulation instruments
Vaľuš, Dávid ; Ilgner, Petr (referee) ; Bečková, Zuzana (advisor)
This diploma thesis focuses on the preparation of an operating system, a simulation environment and the creation of two laboratory exercises explaining network technologies. In the theoretical part protocols DHCP, FTP, TFTP, HTTP, and NAT service are described. The practical part focuses on the installation of ns-3 and GNS3 programmes and their utilization and settings on OS Ubuntu 18.10. Moreover, it deals with the preparation of laboratory exercises created in the simulation programmes mentioned above together with tutorials, self-check questions and HTTP server in the Python programming language.
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Virtualization and optimization of IT infrastructure in the company
Lipták, Roman ; Hladiš, Peter (referee) ; Ondrák, Viktor (advisor)
Master’s thesis deals with the use of virtualization and consolidation technologies in order to optimize IT infrastructure in a selected company. The analysis contains current state of IT infrastructure and requirements for future upgrade. The theoretical part contains description of technologies and procedures used in virtualization and consolidation. Subsequently, the proposal of optimization and expansion of IT equipment is created together with management, implementation and economic evaluation of the solution.
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