Dissertations / Theses on the topic 'Linux'
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Ohlenroth, Matthias, and Thomas Radke. "Linux SMP." Universitätsbibliothek Chemnitz, 1998. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-199800243.
Full textJahre, Daniel. "Linux International." Universitätsbibliothek Chemnitz, 2002. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200200194.
Full textHeik, Andreas. "Linux und Multimedia?" Universitätsbibliothek Chemnitz, 1999. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-199900092.
Full textMüller, Thomas, and Christoph Ziegler. "Wie funktioniert Linux?" Universitätsbibliothek Chemnitz, 2000. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200000101.
Full textHeik, Andreas. "Multimedia unter Linux." Universitätsbibliothek Chemnitz, 2000. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200000205.
Full textHeik, Andreas. "Linux und DVD?" Universitätsbibliothek Chemnitz, 2000. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200000370.
Full textWeihrauch, Thomas. "Grafiksoftware für Linux." Universitätsbibliothek Chemnitz, 2000. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200000456.
Full textEhrig, Matthias. "Drucken unter Linux." Universitätsbibliothek Chemnitz, 2000. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200000817.
Full textMüller, Thomas, and Gerd Heide. "Wie funktioniert Linux?" Universitätsbibliothek Chemnitz, 2001. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200100174.
Full textMüller, Thomas, and Gerd Heide. "Wie funktioniert Linux?" Universitätsbibliothek Chemnitz, 2002. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200200164.
Full textMüller, Andreas. "Bürosoftware unter Linux." Universitätsbibliothek Chemnitz, 2002. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200200235.
Full textMüller, Thomas, and Gerd Heide. "Wie funktioniert Linux?" Universitätsbibliothek Chemnitz, 2003. http://nbn-resolving.de/urn:nbn:de:swb:ch1-200300211.
Full textTeam, der Chemnitzer Linux-Tage. "25 Linux-Kniffe." Universitätsbibliothek Chemnitz, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200900416.
Full textDriveklepp, Pål, Olav Morken, and Gunnar Rangøy. "Linux Support for AVR32 UC3A : Adaption of the Linux kernel and toolchain." Thesis, Norwegian University of Science and Technology, Department of Computer and Information Science, 2009. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-9006.
Full textThe use of Linux in embedded systems is steadily growing in popularity. The UC3A is a series of high performance, low power 32-bit microcontrollers aimed at several industrial and commercial applications including PLC, instrumentation, phones, vending machines and more. The main goal of this project was to complete the adaptation of the Linux kernel, compiler and loader software, in order to enable the Linux kernel to load and run applications on this device. In addition, a set of useful applications should be picked, compiled and tested on the target platform to indicate a complete software solution. This master's thesis is a continuation, by the same three students, of the work of a student project during the fall of 2008. In this report we present in detail the findings, challenges, choices and and solutions involved in the working process. During the course of this project, we have successfully adapted the Linux kernel, and a toolchain for generating binaries loadable by Linux. A set of test applications have been compiled and tested on the resulting platform. This project has resulted in the submission of a revised patch series for the U-Boot boot loader, one patch series for Linux, and one for the toolchain. Requirements have been created, and tests for the requirements have been carried out.
Brolin, Jonas, and Mikael Hedegren. "Packet Aggregation in Linux." Thesis, Karlstad University, Division for Information Technology, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-1726.
Full textVoice over IP (VoIP) traffic in a multi-hop wireless mesh network (WMN) suffers from a large overhead due to mac/IP/UDP/RTP headers and time collisions. A consequence of the large overhead is that only a small number of concurrent VoIP calls can be supported in a WMN[17]. Hop-to-hop packet aggregation can reduce network overhead and increase the capacity. Packet aggregation is a concept which combines several small packets, destined to a common next-hop destination, to one large packet. The goal of this thesis was to implement packet aggregation on a Linux distribution and to increase the number of concurrent VoIP calls. We use as testbed a two-hop WMN with a fixed data rate of 2Mbit/s. Traffic was generated between nodes using MGEN[20] to simulate VoIP behavior. The results from the tests show that the number of supported concurrent flows in the testbed is increased by 135% compared to unaggregated traffic.
Sivertsen, Frode. "Experiences with Linux Mobile." Thesis, Norwegian University of Science and Technology, Department of Telematics, 2007. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-9560.
Full textMobile phones are becoming more and more complex in terms of both hardware and software. Linux Mobile, as a term covering both the kernel and its surrounding components that together form the operating system, is said to have the potential to become the de-facto standard operating system for mobile phones and an enabler for advanced future mobile services. This master thesis evaluates key aspects and central mechanisms of the Linux kernel and how it supports its surrounding hardware and software components in a flexible manner. The main work consisted of investigating the necessary kernel subsystems, with focus on the latest major kernel release for as being able to provide the demanded real-time responsiveness for mobile phones. Further, the typical hardware architecture for this form factor is examined and discussed with focus on the important aspects of responsibility, power management, and memory. The combination of the hardware and the flexibility of Linux is demonstrated through the booting process. Both major commercial and open source development platforms are investigated to elaborate on the opportunities of employing Linux as an enabler for advanced mobile services. The attempt of building a cross platform tool chain as a basis for a development platform was carried out with only partial success. It is described with the results achieved and steps planned. Based on the topics discussed and the results achieved the thesis is concluded with a discussion of whether Linux Mobile has the potential to become the de-facto standard mobile operating system, and what challenges and opportunities that are brought along with it.
Schreiber, Alexander. "Linux 2.4 Netfilter/iptables." Universitätsbibliothek Chemnitz, 2000. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200000511.
Full textSchreiber, Alexander. "Linux - aktiv im Netz." Universitätsbibliothek Chemnitz, 2000. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200000538.
Full textSchreiber, Alexander. "EDV-Paranoia unter Linux." Universitätsbibliothek Chemnitz, 2000. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200000549.
Full textParthey, Mirko. "IP Security für Linux." Thesis, Universitätsbibliothek Chemnitz, 2001. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200100087.
Full textUsing the Internet in security-critical areas requires cryptographic protection, for which IP Security (IPsec) defines suitable protocols. This paper gives an overview of IPsec. A Linux implementation of IPsec is examined under the aspects of extendability and usability
Heik, Andreas. "FireWire, DV unter Linux?" Universitätsbibliothek Chemnitz, 2001. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200100215.
Full textJahre, Daniel. "Palm Programmierung unter Linux." Universitätsbibliothek Chemnitz, 2002. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200200207.
Full textRößler, Marko. "Linux auf eingebetteten Systemen." Universitätsbibliothek Chemnitz, 2004. http://nbn-resolving.de/urn:nbn:de:swb:ch1-200400327.
Full textVortrag zum 123. Unix Stammtisch der TU-Chemnitz. Befasst sich mit dem Entwurf und Betrieb von eingebetteten Systemen mit dem Betriebssystem Linux. Von der D-Box bis zur Linux-Armbanduhr, der Linux-Boot Prozess, Aufbau einer Linuxumgebung undminimalistisches Bibiotheken
Parthey, Daniel. "Booting Linux Really Fast." Thesis, Universitätsbibliothek Chemnitz, 2006. http://nbn-resolving.de/urn:nbn:de:swb:ch1-200600666.
Full textThis research project evaluates startup times of the linux boot process from power-on until user login. Time consuming parts of the boot process are investigated and methods how to speed up the whole process are discussed. It includes an analysis and comparison of different BIOSes, the kernel startup sequence and different approaches to start user space services. This project also compares the startup times of everyday desktop systems with the EPIA-ML6000EA Mini-ITX board, an embedded x86-compatible system
Meier, Wilhelm, Jens Pönisch, Uwe Berger, Andreas Heik, Harald König, Cornelius Kölbel, Martin Gerhard Loschwitz, et al. "Chemnitzer Linux-Tage 2013." Universitätsbibliothek Chemnitz, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-105403.
Full textAhlstedt, Sebastian, and Karlsson David Granath. "Diskkrypteringsprestanda i GNU/Linux." Thesis, Linnéuniversitetet, Institutionen för datavetenskap (DV), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-26411.
Full textUndersökningen jämför hur krypteringsalgoritmerna AES, Serpent och Twofish implementerade i DM-crypt, Loop-AES och TrueCrypt påverkar diskprestandan i en GNU/Linux-miljö. Samtliga krypteringsalgoritmer tillämpas med en nyckellängd på 256 bitar. Undersökningen visar att högst skrivhastighet och således krypteringshastighet uppnås med algoritmerna AES och Twofish i DM-crypt eller Truecrypt. Krypteringens påverkan på diskprestanda är beroende av vilka typer av operationer som utförs och hur hög processorsysselsättningsgraden är. Vid simplare I/O-operationer har den mest optimala krypteringslösningen knappt någon påverkan på diskprestandan överhuvudtaget. Undersökningen visar också att påverkan av prestanda vid dekryptering är minst vid tillämpning av AES eller Twofish oavsett implementering. En viktig slutsats som dras är att det inte finns en överlägsen krypteringslösning för samtliga användningsområden. Genom att sammanställa och granska insamlad data gällande samtliga aspekter beträffande diskprestanda fastställs TrueCrypts implementation av AES till att vara den mest optimala, trots små marginaler.
Courtenay, Mark, Cornelius Kölbel, Jens Lang, Wolfram Luithardt, Falk Zscheile, Frederik Kramer, Markus Schneider, et al. "Chemnitzer Linux-Tage 2014." Universitätsbibliothek Chemnitz, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-133499.
Full textDemierre, Andéol, Monika Eggers, Anselm R. Garbe, Thomas Groß, Volker Jaenisch, Marco Jung, Klaus Knopper, et al. "Chemnitzer Linux-Tage 2010." Universitätsbibliothek Chemnitz, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-201000079.
Full textThe Chemnitz Linux Days took place at the campus of the Chemnitz University of Technology. Besides the presentations at the foyer the lectures were first of all attractive for more than 2.500 visitors. This volume contains the content of 15 main lectures and abstracts of 76 further talks and hence gives a survey of the broadly based program of this event
Wachtler, Axel, Jörg Wunsch, Matthias Vorwerk, Daniel Kriesten, Sebastian Kratzert, Ulrich Heinkel, Wolfram Luithardt, et al. "Chemnitzer Linux-Tage 2011." Universitätsbibliothek Chemnitz, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-65020.
Full textThe "Chemnitz Linux Days" is a conference that deals with Linux and Open Source Software. In 2011 102 talks and workshops were given. This volume contains papers of 12 main lectures and 78 abstracts (in german)
Schöner, Axel, Wilhelm Meier, Jens Kubieziel, Uwe Berger, Sebastian Götz, Max Leuthäuser, Christian Piechnick, et al. "Chemnitzer Linux-Tage 2012." Universitätsbibliothek Chemnitz, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-83272.
Full textThe "Chemnitz Linux Days" is a conference that deals with Linux and Open Source Software. In 2012 104 talks and workshops were given. This volume contains papers of 14 main lectures and 90 abstracts
Ayala, Joseph, and Eric Sorton. "LINUX POWERED TELEMETRY PROCESSING." International Foundation for Telemetering, 2000. http://hdl.handle.net/10150/606490.
Full textSince its debut, the Linux operating system has garnered much attention in the software development community. This paper discusses the open source operating system, Linux, and it’s application as the operating system powering a commercial off-the-shelf telemetry processing system. The paper begins by discussing what are the real-time requirements of the operating system in a telemetry processing system. A discussion to the Linux system is then presented. Soft real-time features of Linux are discussed which allow it to meet the telemetry processing requirements. Linux is compared with the more traditional operating system products and points are made as to why open source software is just as capable, if not preferable, of handling mission critical applications. The paper also presents the authors’ view of future of Linux and open source software in the telemetry marketplace. The paper concludes with a summary of products available for Linux that support telemetry processing and the data acquisition environment.
Prívozník, Michal. "Lokální vyhledávání pro Linux." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2010. http://www.nusl.cz/ntk/nusl-237126.
Full textParthey, Mirko. "IP Security für Linux." [S.l. : s.n.], 2001. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB10047768.
Full textPolách, Milan. "Zabezpečení operačního systému Linux." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-218925.
Full textKhan, Ahmed. "Evaluation and Implementation of Linux User-space Fast Path Technologies : Linux, User-space." Thesis, Mittuniversitetet, Institutionen för informationsteknologi och medier, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-19611.
Full textKatz, David Gabriel. "Popcorn Linux: Cross Kernel Process and Thread Migration in a Linux-Based Multikernel." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/52561.
Full textMaster of Science
Shelton, Benjamin H. "Popcorn Linux: enabling efficient inter-core communication in a Linux-based multikernel operating system." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/23119.
Full textIn this thesis, we present Popcorn, a Linux-based multikernel operating system. While Popcorn was a group effort, the boot layer code and the memory partitioning code are the author\'s work, and we present them in detail here. To our knowledge, we are the first to support multiple instances of the Linux kernel on a 64-bit x86 machine and to support more than 4 kernels running simultaneously.
We demonstrate that existing subsystems within Linux can be leveraged to meet the design goals of a multikernel OS. Taking this approach, we developed a fast inter-kernel network driver and messaging layer. We demonstrate that the network driver can share a 1 Gbit/s link without degraded performance and that in combination with guest kernels, it meets or exceeds the performance of SMP Linux with an event-based web server. We evaluate the messaging layer with microbenchmarks and conclude that it performs well given the limitations of current x86-64 hardware. Finally, we use the messaging layer to provide live process migration between cores.
Master of Science
Lundell, Daniel. "Jämförelse av trådbibliotek för Linux." Thesis, University of Skövde, Department of Computer Science, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-831.
Full textDen dominerande implementationen av POSIX Threads-standarden för Linux har länge varit LinuxThreads. Detta trådbibliotek har på senare tid kritiserats för att leverera bland annat bristfällig effektivitet, skalbarhet och följsamhet till POSIX-standarden. Två nya projekt, Next Generation POSIX Threads (IBM, Intel) och Native POSIX Threads Library (Red Hat) siktar på att erbjuda bättre alternativ till LinuxThreads.
Denna undersökning jämför effektiviteten för dessa tre trådbibliotek, i synnerhet i samband med växling, skapande och synkronisering av trådar samt skalbarhet, huvudsakligen genom användandet av ett testprogram från Sun Microsystems.
Resultaten visar att NGPT skalar linjärt och är det klart effektivaste trådbiblioteket över 4600 trådar. NPTL är effektivast under 4600 trådar fast dess exponentiella kurva medför sämre resultat vid ett högre antal trådar. LinuxThreads skalade sämst och fick sämst resultat över 1200 trådar och resultaten visade även högst varians. Det rekommenderas att ersätta LinuxThreads med NPTL eller NGPT, beroende på kravet på skalbarhet.
Eriksson, Fredrik. "Porting OSE Systems to Linux." Thesis, Mälardalen University, School of Innovation, Design and Engineering, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-9752.
Full textOSE is a real-time operating system from ENEA. One of the key features in OSE is the signaling interprocess communication (IPC) system. ENEA has also released a similar IPC system called LINX, that is platform independent.
For the purpose of running OSE programs under Linux, I have evaluated two software libraries that are designed to simulate the OSE programming environment. The libraries in question are called SoftApi and OSEPL, where SoftApi was developed by RealTime Logic and modified by me to utilize LINX for interprocess communication, and OSEPL was designed by me to overcome some of the limitations in SoftApi. Neither of those libraries proved to be suited for production systems, but it is deemed possible to implement a similar library that is.
Schreiber, Alexander. "Linux-Dateisysteme: XFS und JFS." Universitätsbibliothek Chemnitz, 2000. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200000826.
Full textPönisch, Jens. "SAP R/3 und Linux." Universitätsbibliothek Chemnitz, 2001. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200100182.
Full textHeik, Andreas. "Linux und Digital TV (DVB)." Universitätsbibliothek Chemnitz, 2002. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200200179.
Full textSchreiber, Alexander. "Logical Volume Management unter Linux." Universitätsbibliothek Chemnitz, 2002. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200200225.
Full textBaumgartl, Robert. "RTAI - Linux im harten Echtzeiteinsatz." Universitätsbibliothek Chemnitz, 2005. http://nbn-resolving.de/urn:nbn:de:swb:ch1-200500078.
Full textStein, Alexander. "Porting DotGNU to Embedded Linux." Master's thesis, Universitätsbibliothek Chemnitz, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-66724.
Full textDie Programmierung für SPS-Systeme ist durch die gegebenen Bibliotheken beschränkt, während hardwarenahe Programmierung einen größeren Aufwand durch z.B. Initialisierungen hat. Diese Arbeit bietet eine Grundlage, um die Vorteile beider Entwicklungsseiten zu kombinieren. Dafür wurde Portable.NET des DotGNU-Projekts, eine Implementierung des CLI, bekannter unter dem Namen “.NET”, benutzt. Das Zielsystem ist das PLCcore-5484 Mikrocontrollerboard der SYS TEC electronic GmbH. Aufbauend auf der Portierung wurden zwei Varianten zur Einbindung von Interrupt-Routinen in die Portable.NET Laufzeitumgebung untersucht. Abschließend wurden die Reaktionszeiten zu eintretenden Interrupts analysiert und verglichen
Ettorsson, Ola, and Tomas Nilsson. "Linux i Microsoft AD-miljö." Thesis, Högskolan Kristianstad, Sektionen för hälsa och samhälle, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-15552.
Full textKarlsson, Erik. "Evaluation of Linux Security Frameworks." Thesis, Umeå universitet, Institutionen för datavetenskap, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-36664.
Full textBengtsson-Ölund, Robert, and Johan Mäkeläinen. "Android och Linux på Beagleboard." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-58111.
Full textNedelchev, A. (Aleksandar). "Automating Linux post-mortem debugging." Master's thesis, University of Oulu, 2018. http://urn.fi/URN:NBN:fi:oulu-201806022428.
Full textZůna, Pavel. "Unified Network Authentication for Linux." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2011. http://www.nusl.cz/ntk/nusl-412854.
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