linux system and network performance monitoring pdf

... HÀ NỘI VIỆN CÔNG NGHỆ THÔNG TIN VÀ TRUYỀN THÔNG ──────── * ─────── BÀI TẬP LỚN MÔN: ITSS Linux System and Network Management Sinh viên thực hiện: Nguyễn Đức Hiếu (Nhóm trưởng) Phan Quốc Khánh Trần ... sau: - Thiết lập domain name: nano /etc/sysconfig/network edit domain name "server1.hhkd1570.vn" - Config custom static ip nano /etc/sysconfig/network-scripts/ifcfg-eth1 DEVICE=eth1 BOOTPROTO=static ... server sau: - Máy Fedora Red hat: nano /etc/sysconfig/network-manager/ifcfg-eth0 dhcp_hostname hhkd1570.vn - Máy Ubuntu sudo nano /etc/interface/network hostname hhkd1570.vn • Kết quả: Figure 1:

Ngày tải lên: 08/06/2014, 10:35

... 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

... patch panels and network or console equipment will have lots of cables in them and require much wider and deeper cable management than racks that contain a few hosts with a few network and console ... may have three network interfaces: one for the internal, protected network; one for the external, unprotected network; and one for a service network that is accessed from untrusted networks through ... convenient and help to keep the wiring neat as multiple network interfaces that belong on different networks, both the interfaces and the cables should be labeled Color coding the network cables

Ngày tải lên: 14/08/2014, 14:20

... advances sufficiently, however, the system becomes more secure and easier to use ❖ Security and Reliability Reliability and security go hand in hand An insecure system is open to attacks that make ... external outlets for providing power and the call center phone services and appropriate cables and equipment standing by, including tents and folding tables and chairs When a strong earthquake ... your power and HVAC systems, among other things For this sort of design, you need to understand circuit diagrams and building blueprints and consult with the people who are designing the system to

Ngày tải lên: 14/08/2014, 14:20

... company’s monitoring of its computer and network resources, including activity on individual computers, network traffic, email, web browsing, audit trails, and log monitoring Because monitoring ... policies, monitoring and privacy policies, and creating and implementing the remedies for any policy breach The legal department should be involved in such policies as determining whether to track and ... computer and network resources and what they are permitted to use those resources for The AUP may also include some explicit examples of unacceptable use The legitimate users of the computer and network

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 ... 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 ... should help you anticipate and prepare forthat We look at what the basics of a monitoring system are and then discussthe numerous ways that you can improve your monitoring system For some sites,

Ngày tải lên: 14/08/2014, 14:20

... 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 ... 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 ... enough money, and don’t be afraid to spend it 25.1.4.1 RAID and Performance RAID 0 gives increased performance for both reads and writes, as compared to a single disk, because the reads and writes

Ngày tải lên: 14/08/2014, 14:21

... database, and the pro-gramming language used for dynamic content The most common com- bination is LAMP: Linux, Apache, MySQL, and Perl LAMP can also stand for Linux, Apache, MySQL, and PHP; and for Linux, ... 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

Ngày tải lên: 14/08/2014, 14:21

... constraints Multi-body systems are used to model and analyze the motion, forces, and dynamics of complex mechanical systems such as vehicles, robots, machinery, and biomechanical systems Trang 1103 ... Trang 9Multi-body systemA multi-body system (MBS) refers to a mechanical system composed of interconnected rigid or flexible bodies These bodies can have various degrees of freedom and may interact ... badly and decreasing quality roads which can affect the strength and durability of the vehicles This research proposes a method that combined both the multibody dynamic system method and the

Ngày tải lên: 02/09/2025, 18:40

... anomalous behavior to attacks and other events reported by network IDS/IPS systems After being inserted into a network, MARS studies the network usage for a full week, including the Actualtests.com ... anomalous behavior to attacks and other events reported by network IDS/IPS systems After being inserted into a network, MARS studies the network usage for a full week, including the weekend, to ... anomalous behavior to attacks and other events reported by network IDS/IPS systems After being inserted into a network, MARS studies the network usage for a full week, including the weekend, to

Ngày tải lên: 19/03/2019, 10:41

... anomalous behavior to attacks and other events reported by network IDS/IPS systems After being inserted into a network, MARS studies the network usage for a full week, including the Trang 8weekend, ... all local controller information (network topologies, incidents, queries and reports results) C A global controller can provide a central point for creating rules and queries, which are applied ... Trang 1Exam : 642-544 Title : Implementing Cisco Security Monitoring, Analysis andResponse System Ver : 05-22-2009 Trang 2QUESTION 1:A Cisco Security MARS appliance

Ngày tải lên: 20/03/2019, 16:22

... WINS, and so on.To understand the scope and usage of the objects, it helps to first understand someperformance data and analysis terms There are three essential concepts to under- standing performance ... monitoring tools are complex, and continued ignorance of themwill not be tolerated by management as more and more customers demand SL com-pliance and service level agreements The monitoring and ... crazycomparisons of Windows 2000 to $75 operating systems, and so on If your busi-ness is worth your life to you and your staff, you need to invest in performance andmonitoring tools, disaster recovery, Quality

Ngày tải lên: 17/01/2014, 08:20

... Distributed and Grid Databases 291 10.1 Grid Database Challenges 292 10.2 Distributed Database Systems and Multidatabase Systems 293 10.2.1 Distributed Database Systems 293 10.2.2 Multidatabase Systems ... processing of databases of such astronomical propor-tions requires an understanding of how high-performance systems and parallelismwork Besides the massive volume of data in the database to be ... These came andwent However, commercial DBMS vendors quickly realized the importance of supporting high performance for large databases, and many of them haveincorporated parallelism and grid features

Ngày tải lên: 21/01/2014, 18:20

... one hand, data replication can increase the performance and availability ofthe system, while on the other hand, if not designed properly, a replicated systemcan produce worse performance and availability ... database toincrease system availability and performance The database can operate even thoughsome of the sites have failed, thereby increasing the availability of the system, and a transaction is ... avoiding networkcongestions in a data grid network achieved through a network-level locality In the CCGrid conference series, Liu and Wu (2006) studied replica placement in data grid systems by

Ngày tải lên: 21/01/2014, 18:20

... lung, and the respiratory system between an ‘‘ideal’’ 20-year-old (A) and a 60-year-old subject (B) Note increase in RV and FRC and decrease in slope of pressure-volume curve for the respiratory system ... colleagues, and DuWayne Schmidt and colleagues[52,74,75] DuWayne Schmidt and colleagues included patients ages 20 to 94 and found that decline in FEV1and FVC with age was linear ( 31 mL/year in men and ... women and 27 mL/year for men and, for FVC, 33 mL/year in women and 20 mL/year in men (Box 1) [13,74,108,113,117] Regression equations suggest a linear relationship between age and decline in FEV1and

Ngày tải lên: 05/03/2014, 21:20

... Continually monitoring network threats through intrusion detection and prevention systems and other mechanisms is essential Establishing clear procedures for assessing the current and potential ... of Standards and Technology Office of Environmental Information Office of Inspector General Office of Technology Operations and Planning Plans of Actions and Milestones Security Incident and Event ... incidents and to minimize loss and destruction of data, mitigate the weaknesses that were exploited, and restore computing services Continual monitoring of threats through intrusion detection and prevention

Ngày tải lên: 05/03/2014, 21:20

... Cryptography and Cryptography and Network Security Network Security Chapter 2 Chapter 2 Fourth Edition Fourth Edition by William ... plaintext  select plaintext and obtain ciphertext select plaintext and obtain ciphertext  chosen ciphertext  select ciphertext and obtain plaintext select ciphertext and obtain plaintext  chosen ... language characteristics Language Redundancy and. .. text) guess P & Z are e and t guess ZW is th and hence ZWP is the proceeding with trial and error finally get: it was disclosed yesterday

Ngày tải lên: 06/03/2014, 16:20

... sections: Combustion and Emissions; Exhaust Gas After treatment & EGR, and Engine Control and Conditioning Monitoring Systems Every effort has been made to avoid printing mistakes and errors in the ... conditions Engine control system can control damping electromechanical oscillations between large diesel generators to improve the system performance as well Maintenance and condition monitoring of diesel ... diesel engine unit and the monitoring system The experiment results are shown that: The working characteristics of the HPCR system is in conformity with that of the original machine, and WECS control

Ngày tải lên: 08/03/2014, 19:20

... 1Network Security Monitoringand Behavior Analysis Pavel Čeleda celeda@ics.muni.cz Trang 2Part IIntroduction Trang 3Security Monitoring and Behavior Analysis ToolsetTrang 4Security Monitoring and ... incident� reporting mailbox WWW syslog server Trang 7Traffic Monitoring SystemTrang 8Traffic Monitoring SystemTrang 9Traffic Monitoring SystemTrang 10FlowMon Probe ArchitectureFlowMonExporter NetFlow ... 5Security Monitoring and Behavior Analysis ToolsetNetFlow v5/v9 NetFlow�data collection NetFlow�data analyses SPAM detection worm/virus detection intrusion detection Trang 6Security Monitoring and

Ngày tải lên: 14/03/2014, 20:20