The Practice of System and Network Administration Second Edition phần 8 ppt
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...
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The Practice of System and Network Administration Second Edition phần 1 docx
... on the Tools 40015.2.3 End-to-End Understanding of the System 40015.3 Conclusion 402Contents xi7 Networks 187 7.1 The Basics 188 7.1.1 The OSI Model 188 7.1.2 Clean Architecture 1907.1.3 Network ... 673 28. 2 The Icing 682 28. 2.1 Different Configurations for Different Hosts 682 28. 2.2 Local Replication 683 28. 2.3 Commercial Software in the Depot 684 28. 2.4 Second- Class Citizens 684 28. 3 Conclusion ... Understand the Justification 669 28. 1.2 Understand the Technical Expectations 670 28. 1.3 Set the Policy 671 28. 1.4 Select Depot Software 672 28. 1.5 Create the Process Manual 672 28. 1.6 Examples 673 28. 2...
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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 3 docx
... 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 ... the machines and lighting in the data center, the HVAC system, the UPS charging, the phone switches, the SA work area, and the customer servicecenter. The security-access systemis also on the ... au-thentication and some level of access control. The advantage of this systemisthat an SA who is properly authenticated can access the console of a system from anywhere: desk, home, and on the...
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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 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 ... 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 ... wheel. By copying the generic/.profile that wason most other hosts in that lab, the SA was leveraging the effort put into the previoushosts. He was also reversing the entropy of the system, taking...
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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 ... 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...
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The Practice of System and Network Administration Second Edition phần 7 potx
... 0.44 0.72 0.72 0.72 0.7211 4.00 0. 48 0.76 0.76 0.76 0.7612 4.00 0.52 0 .80 0 .80 0 .80 0 .80 13 4.00 0.56 0 .84 0 .84 0 .84 0 .84 14 4.00 0.60 0 .88 0 .88 0 .88 0 .88 15 4.00 4.00 4.00 0.92 0.92 0.9216 ... 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 who6 38 Chapter 26 Backup and Restoreto the same...
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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
... 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 ... Management for System Administrators. O’Reilly.Limoncelli, T. A., and C. Hogan. 2001. The Practice of System and Network Administration. Addison-Wesley.910 Epilogue the lessons and values that ... reliable and easy for them to understand, and they want it now, becausewhen you miss a deadline, it makes their projects late too.A.1 .8 The Policy WriterPolicies are the backbone of IT. They communicate...
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