The Practice of System and Network Administration Second Edition phần 1 docx

... Servers 11 55 .1. 11 Centralization and Standards 11 65 .1. 12 Performance 11 65 .1. 13 Monitoring 11 95 .1. 14 Service Rollout 12 05.2 The Icing 12 05.2 .1 Dedicated Machines 12 05.2.2 Full Redundancy 12 25.2.3 ... xiii 11 .2 The Icing 315 11 .2 .1 Make Security Pervasive 315 11 .2.2 Stay Current: Contacts and Technologies 316 11 .2.3 Produce Metrics 317 11 .3 Organization Profiles 317 11 .3 .1 Small Company 318 11 .3.2 ... 15 06 .1. 7 Wiring 15 96 .1. 8 Labeling 16 66 .1. 9 Communication 17 06 .1. 10 Console Access 17 16 .1. 11 Workbench 17 26 .1. 12 Tools and Supplies 17 36 .1. 13 Parking Spaces 17 56.2 The Icing 17 66.2 .1 Greater...

The Practice of System and Network Administration Second Edition phần 3 docx

... 23 .1. 6.7 .1. 13 MonitoringYou need network monitoring to build a fast, reliable network; to scale the network in advance of growing demand; and to maintain its reliability.7 .1 The Basics 211 after the ... and position the piece of equipment at the preferred height in the rack. After the wheels are locked, the lift is stable, and the equipment can bemounted in the rack safely and easily.6 .1. 13 ... exactlynoon. At 11 :59AM every day, everyone clicked Save on their huge CAD designs and then left for the cafeteria. The simultaneous writing of so much data flooded both the network and the file servers,...

The Practice of System and Network Administration Second Edition phần 4 docx

... incident effectively. 11 .1 The Basics 313 connect to the company, because of the customer’s policies and facilities.If the offices cannot use one of the officially sanctioned methods, theymay set up ... availability of and access to the manufacturingcontrol systems was of the utmost importance.A large networking hardware and software company, the crown jewels were iden-tified as the financial and ... However, watching the development of the various approaches,understanding the operational implications, and knowing the people behind 11 .1 The Basics 297has both proxies and packet filters,...

The Practice of System and Network Administration Second Edition phần 2 doc

... includeDNS, email, authentication services, network connectivity, and printing. 1 These services are the most critical, and they are the most visible if they fail.Other typical services are the various ... useful to talk with other SAs to find out which vendors theyuse and which ones they avoid. The System Administrators’ Guild (SAGE)(www.sage.org) and the League of Professional System Administrators(LOPSA) ... authentication and authorization system. The system is designedwith three components: the box that handles the remote connections, the server that makes sure that people are who they say they...

The Practice of System and Network Administration Second Edition phần 5 pps

... half day of testing before he went home. There was no lunch hour at that company. The cafeteriawas open from 11 :15 to 1: 30, and at least a third of their customers were active on the network ... whether the change should go ahead regardless of ‘ the weather’’ or wait until there is ‘‘good weather’’: the operating status of the service. In other words, some changes are approved on the ... 24/7availability. 415 15 .1 The Basics 393name to demonstrate a routing problem but overlook the error message and the fact that the DNS lookup of the host’s name failed.Find the Real ProblemOne of Tom’s...

The Practice of System and Network Administration Second Edition phần 6 doc

... 19 92;Ondishko 19 89; Schafer 19 92b; and Schwartz, Cottrell, and Dart 19 94).Harlander (19 94) and Miller and Morris (19 96) describe useful tools and the lessons learned from using them.Centralizing ... not choose the standard? Usingpull instead of push is using the carrot, not the stick, get a mule to moveforward.20 .1 The Basics 4 91 write the message at the end of a long weekend. There is ... quickly and efficiently, with all the relevant staff on-site and not havingto be paged out of their beds. Both of these factors are important in the overallsatisfaction of the company with the...

The Practice of System and Network Administration Second Edition phần 7 potx

... 0.92 16 4.00 0.40 0.40 0.96 0.96 0.96 17 4.00 0.44 0.44 1. 00 1. 00 1. 00 18 4.00 0.48 0.48 1. 04 1. 04 1. 04 19 4.00 0.52 0.52 1. 08 1. 08 1. 0820 4.00 0.56 0.56 1. 12 1. 12 1. 12 21 4.00 0.60 0.60 1. 16 1. 16 ... 0.60 0.60 1. 16 1. 16 1. 16 42-day total 16 8 42 36.96 39.2 41. 16 47.04Worst case 10 0% 25% 22% 23% 25% 28%Best case 455% 11 4% 10 0% 10 6% 11 1% 12 7%would use less tape. Obviously, these decisions should ... pretty labels for the tape covers. However, the system failed to reduce the thinking aspect of the job. The software did a grand job of issuing the right backup commands at the right time, used...

The Practice of System and Network Administration Second Edition phần 8 ppt

... the processing, leaving the CPU less loaded and better able to do the remaining work of moving the data off the disk, through the card, and onto the network. ❖ LAMP and Other Industry Terms Certain ... centralized and decentral-ized models for the system administration organization has an impact oncustomer support and the relationships between the SAs and between the customers and the SAs. In the ... after the old one timed out, because the operating system was not releasing the connection.Fortunately, one of the SAs on another part of the project was familiar with thisbehavior and knew of the...

The Practice of System and Network Administration Second Edition phần 9 pps

... isolated, unimportant, and not part of the team. The longer people stay with the group and the less turnover there is, the more they will feel part of the team and the more likely they are to stickwith ... servers,printers, other people’s PCs, and the like.This has the same effect as if someone walked up to another person’s PCwhen no one was around and pulled the network connection out of the back of it. ... tworouters from 10 Mb Ethernet (copper) to 10 0Mb Fast Ethernet (fiber). The two routerswere in different parts of the building. He asked the two engineers to go to the serverrooms and pantomime the change...

The Practice of System and Network Administration Second Edition phần 10 pdf

... Administrators. O’Reilly.Limoncelli, T. A., and C. Hogan. 20 01. The Practice of System and Network Administration. Addison-Wesley. 910 Epilogue the lessons and values that are important to us. We ... existing systems and improving them, scaling large systems into hu-mongous systems, and overhauling legacy systems and replacing them withnewer systems. Infrastructure Builders are proud of their ... 0 314 23 519 1.Miller, M. and Morris, J. 19 96. Centralized administration of distributed firewalls, TenthSystems Administration Conference (LISA’96), USENIX, Chicago, IL, pp. 19 –23.Moran, J., and...

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