The Practice of System and Network Administration Second Edition phần 2 doc
The Practice of System and Network Administration Second Edition phần 2 doc
... vendor and the release of the compatible new version from the second vendor. Also, relations between the two vendors may break down, and they may stop providing the interfacebetween the two ... both products and rely on the interface between them.❖ The Protocol versus the Product SAs need to understand the differ-ence between the protocol and the product. One might standardize onSimple ... 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)...
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The Practice of System and Network Administration Second Edition phần 1 docx
... 661 27 .2 The Icing 6 62 27 .2. 1 Home Office 6 62 27 .2. 2 Cost Analysis and Reduction 663 27 .2. 3 New Technologies 664 27 .3 Conclusion 665 28 Software Depot Service 667 28 .1 The Basics 669 28 .1.1 Understand ... Icing 25 29 .2. 1 A Dynamic Documentation Repository 25 29 .2. 2 A Content-Management System 25 39 .2. 3 A Culture of Respect 25 39 .2. 4 Taxonomy and Structure 25 49 .2. 5 Additional Documentation Uses 25 59 .2. 6 ... Management 23 68 .2 The Icing 23 78 .2. 1 One Huge Database 23 88 .2. 2 Further Automation 23 88 .2. 3 Customer-Based Updating 23 98 .2. 4 Leveraging Namespaces 23 98.3 Conclusion 23 99 Documentation 24 19.1 The...
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The Practice of System and Network Administration Second Edition phần 3 docx
... connects all the IDFs. There should always beplenty of spare cabling between the MDF and the IDFs, as new connections 20 2 Chapter 7 Networks the construction cost of ripping up walls. If the jacks ... simplicity on the physical layer.You can build a very simple and therefore stable—flat physical network and then construct overlay networks on top of the solid base to give the ap-pearance of the more ... an office is not the cables but1 92 Chapter 7 NetworksFieldofficeFieldofficeFieldofficeFieldofficeFieldofficeRouterRouterRouterRouterRouterMainofficeFigure 7 .2 A wide-area network...
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The Practice of System and Network Administration Second Edition phần 4 docx
... let them make the decision without having to understand the technology, and they were able to break the tie where the SAs disagreed.By the time the hardware was ready, the grid was complete. The ... 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 ... effectively.11.1 The Basics 313connect 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 something for themselves...
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The Practice of System and Network Administration Second Edition phần 6 doc
... when the cost model showed the systems tocost about the same per gigabyte of usable storage, the dedicated file servers hadan advantage over the old systems: consistency and support. The old systems ... mishmash of various manufacturers for the host; for the RAID controllers; and for the disk drives, cables, network interfaces, and, in some cases, even the racks they satin! Each of these items ... your alerting system, and inform those who might encounter itin your stead. 22 .1 .2. 3 EscalationAnother component of the policy and procedures that your monitoring and alerting system should...
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The Practice of System and Network Administration Second Edition phần 5 pps
... 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 ... sure that the change goes smoothly and takes the minimum amount of time?17 .2 The Icing 429 It also makes other people aware of changes that are being made so thatthey can recognize the potential ... schedule, rather than the other way around. When his customer madea mistake, Tom was blamed because some of the group’s systems depended on the customer’s systems. The customer and Tom had the following...
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The Practice of System and Network Administration Second Edition phần 7 potx
... 1.0419 4.00 0. 52 0. 52 1.08 1.08 1.08 20 4.00 0.56 0.56 1. 12 1. 12 1. 12 21 4.00 0.60 0.60 1.16 1.16 1.16 42- day total 168 42 36.96 39 .2 41.16 47.04Worst case 100% 25 % 22 % 23 % 25 % 28 %Best case ... 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 ... deleted the data, the direct users of the data. Archival backups serve the needs of the legal and financial departments that require them, people who638 Chapter 26 Backup and Restoreto the same...
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The Practice of System and Network Administration Second Edition phần 8 ppt
... of the pros and cons of outsourcing indifferent situations. More discussion of the topic is in Section 21 .2. 2.30 .2 The Icing The icing of system administration organization is the ability to ... 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...
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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. ... with a sense of humor. The followingemail was sent to users of a particular network after a series of outages.From: Head of the SA TeamTo: Users of this network Subject: Network theft problemThis...
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The Practice of System and Network Administration Second Edition phần 10 pdf
... control policy, 22 9 23 0Accidental file deletion, 621 – 623 Account names, 22 3Accountability and shared accounts, 29 0, 29 2Accounting policy, 568–569Accounts, longevity policy, 23 0 23 1Acquisitions ... Management for System 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 ... 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...
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