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Event-Driven Automation
Havlín, Jan ; Češka, Milan (referee) ; Lengál, Ondřej (advisor)
The thesis deals with automation of processes in Testing Farm Team of company Red Hat Czech s.r.o. Automating the chosen task "Update and test continuous integration system with new operating system build results in simplified maintenance of said continuous integration system. Implementation uses a Jenkins server to execute jobs and tft-admin tool to perform smaller steps resulting in automation of the task. Also, in the implementation part, modifications of the tft-admin tool allow usage in automated scripts which simplifies future automation of other processes.
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Security of Testing Farm Service
Havlín, Jan ; Malinka, Kamil (referee) ; Drga, Jozef (advisor)
This thesis deals with security of Testing Farm Service in Red Hat company. Specifically, it is about unauthorized usage of testing machines for purposes which are not allowed. The need for implementing security measures comes from the fact that users are allowed to run arbitrary code on test machines as the user root. In the implementation part of the thesis, a monitoring agent was created and deployed to the testing machines of the production environment of the service. This system watches transmitted packets, system resources and configuration. Based on these observations, it creates metrics about the system behavior and sends them over to monitoring server Prometheus.
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Security of Testing Farm Service
Havlín, Jan ; Malinka, Kamil (referee) ; Drga, Jozef (advisor)
This thesis deals with security of Testing Farm Service in Red Hat company. Specifically, it is about unauthorized usage of testing machines for purposes which are not allowed. The need for implementing security measures comes from the fact that users are allowed to run arbitrary code on test machines as the user root. In the implementation part of the thesis, a monitoring agent was created and deployed to the testing machines of the production environment of the service. This system watches transmitted packets, system resources and configuration. Based on these observations, it creates metrics about the system behavior and sends them over to monitoring server Prometheus.
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Event-Driven Automation
Havlín, Jan ; Češka, Milan (referee) ; Lengál, Ondřej (advisor)
The thesis deals with automation of processes in Testing Farm Team of company Red Hat Czech s.r.o. Automating the chosen task "Update and test continuous integration system with new operating system build results in simplified maintenance of said continuous integration system. Implementation uses a Jenkins server to execute jobs and tft-admin tool to perform smaller steps resulting in automation of the task. Also, in the implementation part, modifications of the tft-admin tool allow usage in automated scripts which simplifies future automation of other processes.
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Methodology of the use of non-invasive surveying methods - ground-penetrating radar, impact-echo method and ultrasonic transmission measurement of the surface to assess the condition and construction details of the sandstone coat of buildings
Havlín, J. ; Slavíková, M. ; Válek, Jan ; Pavelka, K.
The methodology describes principles of selected methods (ground-penetrating radar, impact-echo method, ultrasound), their potentials, limitations and advantages when combined during the survey of stone coats of structures. Further on, the methodology indicates the process of the measurement itself and evaluation of the collected data.
Plný tet:  PDF
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Relationship between pH and strong ion difference (SID) in predialysis patients with chronic kidney disease and in patients on chronic haemodialysis
Havlín, Jan ; Matoušovic, Karel (advisor) ; Žabka, Jiří (referee) ; Zadražil, Josef (referee)
SUMMARY: Metabolic acidosis (MAC) is a constant symptom of chronic kidney diesease (CKD) in advanced stages. The Siggaard-Andersen analysis is a traditional method of acid-base balance (ABB) assessment, assessing the metabolic component by means of the base excess and the anion gap (AG). Modern methods of ABB assessment draw upon the theory proposed by Stewart, which is based on the electric neutrality principle. Stewart distinguishes three independent variables determining plasmatic pH: pCO2, strong ion difference (SID) and 3) the total charge of non-volatile weak acids [Atot-]. The aim of this study was to assess the relationship between pH and plasma ion changes associated with ABB disorders in patients with chronic kidney disease using both methods of analysis, and subsequently compare both approaches. The cohort of patients consisted of three groups: 1) the "CKD" group, 60 patients with CKD stage 3 to 4 according to the KDOQI; 2) the "HD" group, 68 patients on chronic hemodiafiltration using dialysate bicarbonate concentration of 32 mmol/L; 3) a control group, 19 healthy volunteers. In all patients we measured parameters necessary for both approaches, in the HD group before and after dialysis treatment. We have found that MAC was present in two thirds of patients in the CKD group. A decrease of...
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