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NAD710 Lab 1 Answers

58 bytes added, 11:14, 11 September 2008
added the <pre> and </pre> tags to preserve the spacing and format of command outputs
:1. What is the kernel version on matrix?
::<pre>lsdaly@matrix:~> uname -r::kernel release is 2.6.18.8-0.5-default::Kernel version of linux on matrix is #1 SMP Tue Feb 12 09:16:51 EST 2008</pre>
:2. What is the IP address and MAC address of the Linux machine on matrix?
::from: /sbin/ifconfig
:3. What is the network mask on matrix?
::<pre>Mask:255.255.255.0</pre>
:4. What are the network addresses of the Linux machine? (there should be three networks)
::<pre>Kernel IP routing table::Destination Iface::192.168.1.0 eth0::169.254.0.0 eth0::127.0.0.0 lo</pre>
:5. What is the IP address of the gateway for the Linux machine on matrix?
::<pre>Destination Gateway::0.0.0.0 192.168.1.254</pre>
:6. What is the command to display all the currently loaded kernel modules?
<pre>::lsdaly@matrix:~> /sbin/lsmod::Module Size Used by::nfs 236268 4::lockd 73192 2 nfs</pre>
:7. Where is the file for the kernel module called "e1000"? (changed from e100)
<pre>::daly@matrix:~> /sbin/modinfo e1000::filename: /lib/modules/2.6.18.8-0.5-default/kernel/drivers/net/e1000/e1000.ko</pre>
:8. What is the MAC address for the network device that has the IP address 192.168.1.254?
<pre>::lsdaly@matrix:~> /sbin/arp -n::Address HWtype HWaddress Iface::192.168.1.254 ether 00:0E:0C:7F:84:6F eth0</pre>
:9. How do you display all the physically network addresses known by a Linux machine?
::<pre>lsdaly@matrix:~> /sbin/arp -n::pconstantino->(if you want to see the host names instead of IP addresses use arp with no arguments)</pre>
:10. <What is the MAC address of the network device on the default gateway for the Linux machine on matrix?
::From question 5: Gateway IP is 192.168.1.254
::<pre>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</pre>
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