Principles of Network and System Administration 2nd phần 2 doc
Principles of Network and System Administration 2nd phần 2 doc
... addresses /27 1/8th 32 /26 1/4th 64 /25 1 /2 128 /24 1 25 6 /23 2 5 12 /22 4 1, 024 /21 8 2, 048 /20 16 4,096 /19 32 8,1 92 /18 64 16,384 /17 128 32, 768 /16 25 6 = 1 class B 65,536 /15 5 12 131,0 72 /14 1, 024 26 2,144 /13 ... pattern like this: 128 .39.0.0 (25 5 .25 5 .25 2.0) 128 .39.1.0 128 .39 .2. 0 128 .39.3.0 128 .39.4.0 (25 5 .25 5 .25 4.0) 128 .39.5.0 128...
Ngày tải lên: 13/08/2014, 22:21
Principles of Network and System Administration 2nd phần 7 doc
... 4 drwxr-xr-x 4 root root 1 024 Feb 21 20 02 WEB-INF drwxr-xr-x 2 root root 1 024 Feb 21 20 02 images drwxr-xr-x 17 root root 1 024 Feb 21 20 02 jsp drwxr-xr-x 2 root root 1 024 Feb 21 20 02 servlets host% v ... 20 01:700:700:3 :29 0 :27 ff:fea2:477b: icmp seq=1 ttl=63 time =25 .0 ms 90 72 bytes from 20 01:700:700:3 :29 0 :27 ff:fea2:477b: icmp seq =2 ttl=63 time =22 .4 ms...
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. ... disk filesystem (called ufs, hfs etc.) (which means a physical disk) and the NFS network filesystem. If we mount a 4 .2 filesystem it means that it is, by definition, a l...
Ngày tải lên: 13/08/2014, 22:21
Principles of Network and System Administration 2nd phần 4 potx
... active and passive users? 17. What is meant by a user quota, and what is it used for? 18. What are the pros and cons of the use of disk quotas? 21 6 CHAPTER 6. MODELS OF NETWORK AND SYSTEM ADMINISTRATION constant ... competing system to SNMP called COPS-PR [101]. 6.3. NETWORK ADMINISTRATION MODELS 20 7 6.3 Network administration models The management of clust...
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Principles of Network and System Administration 2nd phần 5 pot
... automating system administration have been reported; see refs. [138, 114, 180, 194, 21 , 191, 10, 116, 25 9, 113, 84, 25 8, 24 9, 76, 22 9, 21 7, 92, 145, 173]. Most of these have been ways of generating ... 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 sof...
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Principles of Network and System Administration 2nd phần 6 pot
... "master/rev.1 92. 0 .2& quot;; }; acl trustedhosts { ! 1 92. 0 .2. 11; // Not this host! 1 92. 0 .2. 0 /24 ; // Net with 24 bit netmask set. i.e. 25 5 .25 5 .25 5.0 1 92. 0.74.0 /23 ; // 23 . 25 5 .25 5 .25 4.0 }; zone "domain.tld" { type ... for the upgrade and contingency plan for loss of some of the hosts. EXERCISES 327 8. What is meant by the environment of a...
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Principles of Network and System Administration 2nd phần 8 pps
... host1 dest=host2 serv=all IP action=Permit and IPSec Policy Rule 2: src =network1 dest =network2 serv=all IP action=Permit where host1 is assumed to be on network1 and host2 is on network2 . Policy Rule 1 ... 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 se...
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Principles of Network and System Administration 2nd phần 9 potx
... (4.0.1. 122 ) 133 ms 124 ms 15 cambridge1-cr1.bbnplanet.net (20 6.34.78 .23 ) 138 ms 129 16 cambridge2-cr2.bbnplanet.net (1 92. 233.149 .20 2) 128 ms 17 ihtfp.mit.edu (1 92. 233.33.3) 129 ms 170 ms 143 ms 18 B24-RTR-FDDI.MIT.EDU ... following data which represent a measurement of CPU usage for a process over time: 2. 1 2. 0 2. 1 2. 2 2. 2 1.9 2. 2 2. 2 2. 1 2. 2 2. 2 Now answer t...
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Principles of Network and System Administration 2nd phần 10 pps
... Practice of System Administration, T.LimoncelliandC.Hogan,Addison Wesley, 20 02. 2. Unix System Administration Handbook, E. Nemeth, G. Synder, S. Seebass and T.R. Hein, Prentice Hall, 20 01. 3. ... International System Administration and Networking Conference (SANE20 02) , page 84, 20 02. [27 0] J. Sch ¨ onw ¨ alder and H. Langend ¨ orfer. How to keep track of your...
Ngày tải lên: 13/08/2014, 22:21