Monthly Archives: April 2013

A Simple Role Base Access Control (RBAC) example on Solaris 10

1. create a user “user1″ and assign a password # useradd -d /export/home/user1 -m -s /bin/bash user1 # passwd user1 -> here password “user1234″ is used. 2. Create a role # roleadd -d /export/home/role1 -m role1 # passwd role1 -> … Continue reading

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Subnetting exercises 2 of 2

2. A network administrator has been provided with the following block of class A IP addresses: 12.24.0.0/21. He has been asked to create at least 3 subnets with equal size netmasks, and the number of the hosts per subnet are … Continue reading

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Subnetting exercises 1 of 2

1. A network administrator has been provided with the following Class B block of IP addresses: 172.16.0.0/16 It is his task to subnet this Classful network to have (at least) 9 subnets available and maximize the number of hosts available … Continue reading

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