Principles of Network and System Administration 2nd phần 4 potx
Principles of Network and System Administration 2nd phần 4 potx
... independently by Burgess in [43 , 44 ], in the wider context of general system maintenance. References [44 , 42 ] also discuss how computer systems can be thought of as statistical mechanical systems, drawing ... CHAPTER 6. MODELS OF NETWORK AND SYSTEM ADMINISTRATION 6 .4. 4 Jini and UPnP: management-free networks Jini is a Java derivative technology that is aimed at self-...
Ngày tải lên: 13/08/2014, 22:21
Principles of Network and System Administration 2nd phần 9 potx
... distribution of values about the mean is a mixture of Gaussian noise and a Planckian blackbody distribution. 516 CHAPTER 13. ANALYTICAL SYSTEM ADMINISTRATION 0 24 48 72 96 120 144 168 0 13 26 39 52 Figure ... availability of tools, failure analysis, and time before reboot measurements. 540 CHAPTER 14. SUMMARY AND OUTLOOK surfing) can cause a general failure of the system...
Ngày tải lên: 13/08/2014, 22:21
Principles of Network and System Administration 2nd phần 2 doc
... 1/4th 64 /25 1/2 128 / 24 1 256 /23 2 512 /22 4 1,0 24 /21 8 2, 048 /20 16 4, 096 /19 32 8,192 /18 64 16,3 84 /17 128 32,768 /16 256 = 1 class B 65,536 /15 512 131,072 / 14 1,0 24 262, 144 /13 2, 048 ... the system at hand. The aim of this chapter is to learn how to navigate network systems using standard tools, and place each piece of the puzzle into the context of th...
Ngày tải lên: 13/08/2014, 22:21
Principles of Network and System Administration 2nd phần 3 pptx
... which replace many of the older Unix equivalents, like ls and cp. GNU software has its own system of installation and set of standards. GNU will also eventually become an operating system in its own right. ... Unix, one should log in as a user and su to root. 140 CHAPTER 4. HOST MANAGEMENT 4. 7.8 Upgrading software Some software (especially free software) gets updated very...
Ngày tải lên: 13/08/2014, 22:21
Principles of Network and System Administration 2nd phần 5 pot
... attempts to keep track of changes in individual systems using a method of revision control. A typical Unix system might consist of thousands of files comprising software and data. All of the files (except ... automating system administration have been reported; see refs. [138, 1 14, 180, 1 94, 21, 191, 10, 116, 259, 113, 84, 258, 249 , 76, 229, 217, 92, 145 , 173]. Most of t...
Ngày tải lên: 13/08/2014, 22:21
Principles of Network and System Administration 2nd phần 6 pot
... been discussed in refs. [41 , 42 , 44 , 48 ], as well as adaptive behavior [2 74] and network intrusion detection [102, 156]. In their insightful paper [159], Hoogenboom and Lepreau anticipated the ... the transmission of data on the World Wide Web. All data are sent in clear text. 3 14 CHAPTER 8. DIAGNOSTICS, FAULT AND CHANGE MANAGEMENT 0 24 48 72 96 120 144 168 Time (hrs) 0...
Ngày tải lên: 13/08/2014, 22:21
Principles of Network and System Administration 2nd phần 7 doc
... Scientific Principles of Network and System Administration, J. Wiley & Sons, 20 04. 10 .4. ALTERNATIVE NETWORK TRANSPORT TECHNOLOGIES 399 by N bits, or wavelengths of the bit signal, and the right-hand ... cannot be separated from network and system administration because security requires a fully systemic approach. However, it is important to identify some princ...
Ngày tải lên: 13/08/2014, 22:21
Principles of Network and System Administration 2nd phần 8 pps
... nature of possible threats to the security of a human–computer system. 44 4 CHAPTER 11. PRINCIPLES OF SECURITY Authentication is usually performed at the start of a session between client and system. ... examines filesystems. 4 As the reviewer of this book put it: ‘They’re done. Stick a fork in them.’ 44 6 CHAPTER 11. PRINCIPLES OF SECURITY 11.8.2 Denial of service (D...
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Principles of Network and System Administration 2nd phần 10 pps
... (IP), size = 54 bytes from -> to IP D=192.0.2.238 S=192.0.2.10 LEN =40 , ID= 543 24 from -> to TCP D=23 S= 546 57 Ack=82 641 9997 Seq =40 95 044 496 Len=0 Win=8760 from -> to TELNET C port= 546 57 Retransmit: from ... from IP D=192.0.2.10 S=192.0.2.238 LEN =44 , ID =43 900 to -> from TCP D= 546 57 S=23 Ack =40 95 044 5 04 Seq=82 642 0003 Len =4 Win=8760 to -> from TELNET R...
Ngày tải lên: 13/08/2014, 22:21