nagios system and network monitoring

... Report 7884 National institute of Stondords and Technology US Deportment of Commerce Trang 2‘System and Network Security Acronyms terageney Report 7881 and Abbreviations er 209 Karen Scarfone ... Insite of Stands and Technolgy Gaithersburg, MD 20899-9931 Trang 3Reports on Computer Systems Technology The Information Technology Laboratory (TL) atthe National fstiate of Standards and Technoloxy ... a so requemily used acronyms and abbreviations The list docs not nel all, Sssem and network swat teen, tor ita compen of every atonym an seston Foard i stem and network security dncuments published

Ngày tải lên: 24/02/2014, 04:20

... CERT® Guide to System and Network Security Practices Networks have become indispensable for conducting business in government, commer-cial, and academic organizations Networked systems allow you ... Identify and Enable Systems and Network Logging Mechanisms Identify and Install Tools that aid in Detecting Signs of Intrusion Generate Information Required to Verify the Integrity of Your Systems and ... networked, distributed, and hetero-geneous needs to care about improving the security of networked systems Whether you acknowledge it or not, your organization’s networks and systems are vulnerable

Ngày tải lên: 14/03/2014, 22:20

... Trang 2The Practice of System and Network AdministrationSecond Edition Trang 3This page intentionally left blank Trang 4The Practice of Systemand Network Administration Second Edition ... companies, andlarge multinational hardware and software companies On the technical side,she focused on security and networking, working with customers and helpingGNAC establish its data center and Internet ... mindreader, and, occasionally, a bartender con-As a result, companies calls Scon-As different names Sometimes, they arecalled network administrators, system architects, system engineers, systemprogrammers,

Ngày tải lên: 14/08/2014, 14:20

... Servicesmethod of easing support and maintenance for a service is to use standardhardware, standard software, and standard configurations and to have doc-umentation in a standard location Centralizing ... is common to have a separate networkfor backups and monitoring Backups use significant amounts of bandwidthwhen they run, and separating that traffic from the main network means thatbackups won’t ... manually—someone notices that the first system failed and activates the second system—or automatically—the second systemmonitors the first system and activates itself (if it has determined that the

Ngày tải lên: 14/08/2014, 14:20

... your network puts you in control of it Not understanding the networkputs you at the mercy of its vagaries A clean architecture encompasses both physical- and logical-networktopologies and the network ... your power and HVAC systems, among other things Forthis sort of design, you need to understand circuit diagrams and buildingblueprints and consult with the people who are designing the system to ... inLANs and campus-area networks and are sometimes useful for WANs In aring topology, each network entity—piece of network hardware, building, orsite—is connected to two others so that the network

Ngày tải lên: 14/08/2014, 14:20

... the company’s monitoring of its computer and network resources, including activity on ual computers, network traffic, email, web browsing, audit trails, andlog monitoring Because monitoring may ... they would need to check code and designs into and out of a shared source code control system, build and run the code, access the web, send and re- ceive email, and access internal resources ... rest of your network infrastructure? – Will it use your existing authentication system? – What kind of load does it put on the network and other key systems?– If it has to talk to other systems or

Ngày tải lên: 14/08/2014, 14:20

... However, as systems and networks grow and become morecomplicated, it becomes impossible for a single person to understand, main-tain, and run the entire network As a system grows, handoffs become ... Understanding of the System Finally, the ultimate debugging icing is to have at least one person who stands, end to end, how the system works On a small system, that’s easy Assystems grow larger and ... place 15.1.3 Be Systematic It is important to be methodical, or systematic, about finding the cause andfixing it To be systematic, you must form hypotheses, test them, note theresults, and make changes

Ngày tải lên: 14/08/2014, 14:20

... many case studies (Epp and Baines 1992;Ondishko 1989; Schafer 1992b; and Schwartz, Cottrell, and Dart 1994).Harlander (1994) and Miller and Morris (1996) describe useful tools and thelessons learned ... service Nagios and Big Brother are commonly used real-timemonitoring systems cus-Typically, the two types of monitoring are performed by different systems.The tasks involved in each type of monitoring ... Monitoring uses CPU and memoryresources, so you don’t want your monitoring to make your service worse.Security is important for monitoring systems • Within a local area network, network bandwidth is

Ngày tải lên: 14/08/2014, 14:20

... such as CPUand memory, might also be needed If you have planned to expand by acquir-ing whole new systems, such as stand-alone network storage arrays, be sure to include spares for those systems ... establish hardware standards for storageand file servers Make yourself available to recommend systems and to workwith your customers to identify potential candidates for standards This strategy ... reliability and performancerequired for specific applications Understanding the basic relationship ofstorage devices to the operating system and to the file system gives you aricher understanding

Ngày tải lên: 14/08/2014, 14:21

... 721some kind of native authentication system that handles its own usernameand password system However, well-designed systems can be configured toswitch that off and simply use the preauthenticated ... Servers require regular backups, software and OS up-grades and patches, monitoring, and hardware upgrades and maintenance.Some of this can be optimized and automated through techniques discussedelsewhere ... hijacked sites and bandwidth include distributingpirated software (“warez”), generating advertising email (“spam”), launchingautomated systems to try to compromise other systems, and even competingwith

Ngày tải lên: 14/08/2014, 14:21

... is delegation System administration is about trolling machines and networks, but delegation is about letting go of controland letting others be in control They are opposing skills, and therefore ... they are at fault Only byunderstanding and appreciating their mistakes will they be able to improve.When you reprimand someone, do so face to face, and be timely andspecific about the behavior ... (vision) Both are useful andimportant We want you to love your job and be happy with it That means taining good mental health, balancing stress, handling criticism, and takingcare of yourself

Ngày tải lên: 14/08/2014, 14:21

... distribution, the current brand of computers, amount of bandwidth, and type of network topology The Staller doesn’t see the lack of technology refresh and the problems that it ... bandwidth... that the customers use, so he can “feel their pain.” As this person becomes more sophisticated, he automates his monitoring but then watches the monitoring system s output and ... administrative systems did you have to touch? 3. What improvements to your system could make it easier to disable your access when you are fired? 4. A system like Tripwire causes periodic points of filesystem

Ngày tải lên: 14/08/2014, 14:21

... attacks on computer Trang 14systems and networks In order to provide the preventive ability, we intercept,monitor and possibly alter the interactions at the system call and network-packetinterfaces ... Model The system to be secured is modeled as a distributed system consisting ofmany hosts interconnected by a network The network and the hosts are assumed to be physically secure, but the network ... the networkpackets arriving at the target host Moreover, any damage to the system must occureither because of errors in the operating system kernel (especially the networkdevice drivers and protocol

Ngày tải lên: 19/10/2022, 01:48

... Sensor Networks Management System MSA Management Service and Application Trang 12VCAS Virtual Command Attributes Set VCC Virtual Command Category VCS Virtual Command Set VCSMM Virtual Command Set ... such as body sensor networks in medical and health care and environmental monitoring sensor networks, are emerging Sensor networks are quickly becoming a flexible, inexpensive, and reliable platform ... wireless sensor networks called as Heterogeneous Wireless Sensor Networks Management System (H-WSNMS), which enables to manage and operate various sensor network systems with unified control and management

Ngày tải lên: 24/08/2014, 10:50

... virtual networks, including OpenFlow-based virtual networks and overlay networks IBM, NEC, and Big Switch have commercially available OpenFlow-based virtual network solutions Cisco’s VXLAN based Network ... the virtual network and the underlying physical network Network overlays are a well-known technique for layering a new network on top of an existing network This is often done using a network tunnel ... understand how IP and MAC addresses work in VM networks There are two important cases Within a single VM network, IP and MAC addresses cannot overlap, just like in a physical network On the other hand,

Ngày tải lên: 20/10/2014, 14:28

... complex process and biological phenomena.Design and analysis of networks: Complex networks are inherent to many process andnatural systems Due to modularity of bio-systems, their functions and structures ... biological systems 20 2.2.2 Computational biology 25 2.2.3 Systems biology 27 2.3 Complex systems and network analysis 31 2.3.1 Challenges in analyzing complex networks 33 2.3.2 Networks ... computational and systems biology Varioussystems and data analysis issues common to complex chemical and biological processes haveinitiated a new paradigm called ChemBioSys (Chemical and Bioprocess Systems)

Ngày tải lên: 11/09/2015, 16:05

... 2Zenoss Core Network and Trang 3Zenoss Core Network and System MonitoringCopyright © 2008 Packt Publishing All rights reserved No part of this book may be reproduced, stored in a retrieval system, ... incentives to manage the servers, routers, workstations, printers, and other systems attached to our networks Zenoss Core Network and System Monitoring: A Step-by-Step Guide for Beginners provides a ... easy to deploy, easy to use, and easy to integrate with existing systems This presents an opportunity for system and network administrators to deploy open source systems management tools that

Ngày tải lên: 10/04/2017, 11:01

... (1993), land use planning is the systematic assessment of land and water potential, alternatives for land use and economic and social conditions in order to select and adopt the best land use ... spectral, multi resolution and multi temporal data, and turns them into information valuable for understanding and monitoring urban land processes and for building urban land covers datasets (Tran, ... the specific land uses (Malczewski, 1999) The integration of RS and GIS has been widely applied and been recognized as a powerful and elective tool in detecting urban land use and land cover change

Ngày tải lên: 15/08/2017, 15:12

... real-time functionality.Aims and objectivesResearch, design and construct an automatic student attendance and monitoring system using facial recognition, records check-in and check-out times Build ... biometric fingerprints, and facial recognition, are widely used in offices, agencies, and factories due to their convenience These systems are integrated with a database that analyzes and stores all relevant ... research, and the layout of this thesis.LITERATURE REVIEWConvolutional neural networkThe emergence of convolutional neural networks (CNNs) has significantly transformed the machine learning landscape,

Ngày tải lên: 25/05/2023, 12:19

... overall monitoring and evaluation system and particularly UNFPA Rwanda monitoring and Evaluation system The research showed clearly if there is a link between effective monitoring and evaluation and ... inseparable components of the same system (Thomas and Fernandez, 2008) 2.1.2.3 Definition of Monitoring and Evaluation Monitoring and evaluation is the process of collecting and analyzing information ... paramount importance to set up monitoring and evaluation and resource mobilization mechanisms A monitoring and evaluation system is used for assessing program implementation and progress towards results

Ngày tải lên: 06/07/2023, 08:46