Principles of Network and System Administration 2nd phần 7 doc

... 16.858/ 17. 462/ 17. 945/0. 475 ms host$ ping6 -s 9064 2001 :70 0 :70 0:3:290:27ff:fea2: 477 b PING 2001 :70 0 :70 0:3:290:27ff:fea2: 477 b from 2001 :70 0 :70 0:4:290:27ff:fe93: 672 3 : 9064 data bytes 9 072 bytes from 2001 :70 0 :70 0:3:290:27ff:fea2: 477 b: ... 2001 :70 0 :70 0:3:290:27ff:fea2: 477 b: icmp seq=1 ttl=63 time=25.0 ms 9 072 bytes from 2001 :70 0 :70 0:3:290:27ff:fea2: 477 b:...

Ngày tải lên: 13/08/2014, 22:21

... 2001 :70 0 :70 0:3:290:27ff:fea2: 477 b PING 2001 :70 0 :70 0:3:290:27ff:fea2: 477 b: 56 data bytes 64 bytes from 2001 :70 0 :70 0:3:290:27ff:fea2: 477 b: seq=0. t=1. ms 64 bytes from 2001 :70 0 :70 0:3:290:27ff:fea2: 477 b: ... 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 co...

Ngày tải lên: 13/08/2014, 22:21

... 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. ... tree /software to similar ends in ref. [ 273 ]. In the Soft environment [109], software installation and user environment configuration are dealt with in a combined abstr...

Ngày tải lên: 13/08/2014, 22:21

... competing system to SNMP called COPS-PR [101]. 6.3. NETWORK ADMINISTRATION MODELS 2 07 6.3 Network administration models The management of clusters of systems leads to the concept of logistic networks. Here ... [1 87] . This work Chapter 6 Models of network and system administration Understanding human–computer systems requires an ability to see relationships betwee...

Ngày tải lên: 13/08/2014, 22:21

... 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 ... strategies for handling traffic flow around networks. 270 CHAPTER 7. CONFIGURATION AND MAINTENANCE limited access to the data without having administrative access to other...

Ngày tải lên: 13/08/2014, 22:21

... "3.0.0.0.0.0 .7. 0.0.0 .7. 0.1.0.0.2.ip6.int" type master; file "master/2001 .70 0 .70 0.3"; ; zone "3.0.0.0.0.0 .7. 0.0.0 .7. 0.1.0.0.2.ip6.arpa" type master; file "master/2001 .70 0 .70 0.3"; ; Note ... for the upgrade and contingency plan for loss of some of the hosts. EXERCISES 3 27 8. What is meant by the environment of a system? 9. How...

Ngày tải lên: 13/08/2014, 22:21

... nature of possible threats to the security of a human–computer system. 444 CHAPTER 11. PRINCIPLES OF SECURITY Authentication is usually performed at the start of a session between client and system. ... Automated tape backup and restore is discussed in ref. [184] and in the Amanda system [283]; the AFS backup system is discussed in ref. [151]. A review of how well bac...

Ngày tải lên: 13/08/2014, 22:21

... ANALYTICAL SYSTEM ADMINISTRATION systems fall into two categories, depending on how we choose our problem to analyze. These are called open systems and closed systems. • Open system: This is a subsystem ... basis of programming algorithms in computer software and the same thing applies to conglomerations of different software systems. The same principle applies to the storage of...

Ngày tải lên: 13/08/2014, 22:21

... S=192.0.2.10 LEN=106, ID=535 07 from -> to TCP D=23 S=546 57 Ack=8264195 07 Seq=4095044406 Len=66 Win= 876 0 from -> to TELNET C port=546 57 \ 377 \ 372 \30\0VT100\ 377 \360\ 377 \ 372 #\0from Transfers TERM ... Joiret. Administration of a unix machine network. Proceedings of the Large Installation System Administration Workshop (USENIX Association: Berkeley, CA), page 1,...

Ngày tải lên: 13/08/2014, 22:21