NAD710 Lab 4 Answers

Questions

1. Which file stores the computer's host name?

/etc/sysconfig/network

2. Which file stores the static IP addresses ?

/etc/sysconfig/networking/devices/ifcfg-eth1

In my opinion the file is:

/etc/sysconfig/network-scripts/ifcfg-eth0

3. Which file stores the static hostname to IP address mapping ?

/etc/sysconfig/networking/profiles/default/hosts

How about:

/etc/hosts

4. Which file stores the DNS servers IP addresses ?

/etc/sysconfig/networking/profiles/default/resolv.conf

I think the file is:

/etc/resolv.conf

5. What information is stored in /etc/sysconfig/network file ?

This file stores information like computer's hostname and default gateway.
This file looks like

NETWORKING=yes
HOSTNAME=mohak

6. Would you be able to construct a single pipe line command using "find", "xargs", and "tar" to copy all the files (with the same directory structure) found by the "find" command to the currect directory ?

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CHALLENGER

7. Pick one of the following system configuration program and determine what files are being used to store the configure parameters:

a. system-config-firewall

• /etc/sysconfig/iptables
• /proc/net/ip_tables_matches
• /proc/net/ip_tables_names
• /proc/net/ip_tables_targets
• Milton Paiva

b. system-config-printer

• list of files here
• your name here

c. system-config-users

• /etc/group- >>> Saves new users and UID's in this file.
• /etc/sysconfig/system-config-users >>> Each time you open this utility, this file gets edited.
• /etc/passwd >>> This file stores the users, UID's, users home directory and users login shell
• /etc/gshadow >>> This file stores a new group created.
• Mohak Vyas

d. system-config-display

• list of files here
• your name here

e. system-config-services

• list of files here
• your name here

8. How can I get the lasts modified files in the system using find command ?

• find /etc -mmin 2 --> This will let u see all files in /etc that were modified in last 2 minutes.
• find /etc -cmin 2 --> This will let u see all files in /etc that were changed in last 2 minutes.