Difference between revisions of "NAD710 Lab 1 Answers"

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(New page: = Assignment 1 = Based on the information collected, answer the following questions: # What is the kernel version of Linux on matrix? # What is the IP address and MAC address of the Linux...)
 
(Assignment 1)
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= Assignment 1 =
 
= Assignment 1 =
 
Based on the information collected, answer the following questions:
 
Based on the information collected, answer the following questions:
# What is the kernel version of Linux on matrix?
+
# <a name="#one">What is the kernel version of Linux on matrix?</a>
# What is the IP address and MAC address of the Linux machine on matrix?
+
# <a name="#two">What is the IP address and MAC address of the Linux machine on matrix?</a>
# What is the network mask on matrix?
+
# <a name="#three">What is the network mask on matrix?</a>
# What are the network addresses of the Linux machine? (there should be three networks)
+
# <a name="#four">What are the network addresses of the Linux machine? (there should be three networks)</a>
# What is the IP address of the gateway for the Linux machine on matrix?
+
# <a name="#five">What is the IP address of the gateway for the Linux machine on matrix?</a>
# What is the command to display all the currently loaded kernel modules?
+
# <a name="#six">What is the command to display all the currently loaded kernel modules?</a>
# Where is the file for the kernel module called "e100"?
+
# <a name="#seven">Where is the file for the kernel module called "e100"?</a>
# What is the MAC address for the network device that has the IP address 192.168.1.254?
+
# <a name="#eight">What is the MAC address for the network device that has the IP address 192.168.1.254?</a>
# How do you display all the physically network addresses known by a Linux machine?
+
# <a name="#nine">How do you display all the physically network addresses known by a Linux machine?</a>
# What is the MAC address of the network device on the default gateway for the Linux machine on matrix?
+
# <a name="#ten">What is the MAC address of the network device on the default gateway for the Linux machine on matrix?</a>
  
  
:1. What is the kernel version on matrix.
+
:1. <a name="one">What is the kernel version on matrix.</a>
 
::lsdaly@matrix:~> uname -r
 
::lsdaly@matrix:~> uname -r
 
::2.6.18.8-0.5-default
 
::2.6.18.8-0.5-default
  
:2. What is the IP address and MAC address of the Linux machine on matrix?
+
:2. <a name="two">What is the IP address and MAC address of the Linux machine on matrix?</a>
 
::from:  /sbin/ifconfig
 
::from:  /sbin/ifconfig
 
::mac address is  00:0E:0C:74:9C:F9
 
::mac address is  00:0E:0C:74:9C:F9
 
::and ip is 192.168.1.69
 
::and ip is 192.168.1.69
  
:3. What is the network mask on matrix.
+
:3. <a name="three">What is the network mask on matrix.</a>
 
::Mask:255.255.255.0
 
::Mask:255.255.255.0
  
:4. What are the network addresses of the Linux machine? (there should be three networks)
+
:4. <a name="four">What are the network addresses of the Linux machine? (there should be three networks)</a>
  
 
::Kernel IP routing table
 
::Kernel IP routing table
Line 34: Line 33:
 
::127.0.0.0      lo
 
::127.0.0.0      lo
  
:5. What is the IP address of the gateway for the Linux machine on matrix?
+
:5. <a name="five">What is the IP address of the gateway for the Linux machine on matrix?</a>
 
::Destination    Gateway
 
::Destination    Gateway
 
::0.0.0.0        192.168.1.254
 
::0.0.0.0        192.168.1.254
  
:6. What is the command to display all the currently loaded kernel modules?
+
:6. <a name="six">What is the command to display all the currently loaded kernel modules?</a>
  
 
::lsdaly@matrix:~> /sbin/lsmod
 
::lsdaly@matrix:~> /sbin/lsmod
Line 45: Line 44:
 
::lockd                  73192  2 nfs
 
::lockd                  73192  2 nfs
  
:7. Where is the file for the kernel module called "e1000"? (changed from e100)
+
:7. <a name="seven">Where is the file for the kernel module called "e1000"? (changed from e100)</a>
  
 
::daly@matrix:~> /sbin/modinfo e1000
 
::daly@matrix:~> /sbin/modinfo e1000
 
::filename:      /lib/modules/2.6.18.8-0.5-default/kernel/drivers/net/e1000/e1000.ko
 
::filename:      /lib/modules/2.6.18.8-0.5-default/kernel/drivers/net/e1000/e1000.ko
  
:8. What is the MAC address for the network device that has the IP address 192.168.1.254?
+
:8. <a name="eight">What is the MAC address for the network device that has the IP address 192.168.1.254?</a>
  
 
::lsdaly@matrix:~> /sbin/arp -n
 
::lsdaly@matrix:~> /sbin/arp -n
Line 56: Line 55:
 
::192.168.1.254            ether  00:0E:0C:7F:84:6F              eth0
 
::192.168.1.254            ether  00:0E:0C:7F:84:6F              eth0
  
:9. How do you display all the physically network addresses known by a Linux machine?
+
:9. <a name="nine">How do you display all the physically network addresses known by a Linux machine?</a>
 
::lsdaly@matrix:~> /sbin/arp -n
 
::lsdaly@matrix:~> /sbin/arp -n
  
:10. What is the MAC address of the network device on the default gateway for the Linux machine on matrix?
+
:10. <a name="ten">What is the MAC address of the network device on the default gateway for the Linux machine on matrix?</a>
 
::From question 5: Gateway IP is 192.168.1.254
 
::From question 5: Gateway IP is 192.168.1.254
 
::lsdaly@matrix:~> /sbin/arp -a 192.168.1.254
 
::lsdaly@matrix:~> /sbin/arp -a 192.168.1.254
 
::gateway.matrix (192.168.1.254) at 00:0E:0C:7F:84:6F [ether] on eth0
 
::gateway.matrix (192.168.1.254) at 00:0E:0C:7F:84:6F [ether] on eth0

Revision as of 09:24, 10 September 2008

Assignment 1

Based on the information collected, answer the following questions:

  1. <a name="#one">What is the kernel version of Linux on matrix?</a>
  2. <a name="#two">What is the IP address and MAC address of the Linux machine on matrix?</a>
  3. <a name="#three">What is the network mask on matrix?</a>
  4. <a name="#four">What are the network addresses of the Linux machine? (there should be three networks)</a>
  5. <a name="#five">What is the IP address of the gateway for the Linux machine on matrix?</a>
  6. <a name="#six">What is the command to display all the currently loaded kernel modules?</a>
  7. <a name="#seven">Where is the file for the kernel module called "e100"?</a>
  8. <a name="#eight">What is the MAC address for the network device that has the IP address 192.168.1.254?</a>
  9. <a name="#nine">How do you display all the physically network addresses known by a Linux machine?</a>
  10. <a name="#ten">What is the MAC address of the network device on the default gateway for the Linux machine on matrix?</a>


1. <a name="one">What is the kernel version on matrix.</a>
lsdaly@matrix:~> uname -r
2.6.18.8-0.5-default
2. <a name="two">What is the IP address and MAC address of the Linux machine on matrix?</a>
from: /sbin/ifconfig
mac address is 00:0E:0C:74:9C:F9
and ip is 192.168.1.69
3. <a name="three">What is the network mask on matrix.</a>
Mask:255.255.255.0
4. <a name="four">What are the network addresses of the Linux machine? (there should be three networks)</a>
Kernel IP routing table
Destination Iface
192.168.1.0 eth0
169.254.0.0 eth0
127.0.0.0 lo
5. <a name="five">What is the IP address of the gateway for the Linux machine on matrix?</a>
Destination Gateway
0.0.0.0 192.168.1.254
6. <a name="six">What is the command to display all the currently loaded kernel modules?</a>
lsdaly@matrix:~> /sbin/lsmod
Module Size Used by
nfs 236268 4
lockd 73192 2 nfs
7. <a name="seven">Where is the file for the kernel module called "e1000"? (changed from e100)</a>
daly@matrix:~> /sbin/modinfo e1000
filename: /lib/modules/2.6.18.8-0.5-default/kernel/drivers/net/e1000/e1000.ko
8. <a name="eight">What is the MAC address for the network device that has the IP address 192.168.1.254?</a>
lsdaly@matrix:~> /sbin/arp -n
Address HWtype HWaddress Iface
192.168.1.254 ether 00:0E:0C:7F:84:6F eth0
9. <a name="nine">How do you display all the physically network addresses known by a Linux machine?</a>
lsdaly@matrix:~> /sbin/arp -n
10. <a name="ten">What is the MAC address of the network device on the default gateway for the Linux machine on matrix?</a>
From question 5: Gateway IP is 192.168.1.254
lsdaly@matrix:~> /sbin/arp -a 192.168.1.254
gateway.matrix (192.168.1.254) at 00:0E:0C:7F:84:6F [ether] on eth0