ISR Computing -

Linux Practice Lab Setup

Install and Configure Fedora 8 to perform following functions:

• DNS Server
• DHCP Server
• NFS Server
• HTTP server

NFS Configuration

Install the NFS packages using yum

Configure exports file:

nano /etc/exports

Add line:

/var/www/html/inst 192.168.88.2(rw,sync)

Edit your hosts.allow file

portmap: 192.168.88.3
lockd: 192.168.88.3
mountd: 192.168.88.3
rquotad: 192.168.88.3
statd: 192.168.88.3

Save and close.

Edit your hosts.deny file

portmap: ALL
lockd: ALL
mountd: ALL
rquotad: ALL
statd: ALL

Configure Firewall

Add the following line to /etc/sysconfig/iptables:

-A RH-Firewall-1-INPUT -s 192.168.88.3 -j ACCEPT

Restart

#service iptables restart 

Enable nfs services

#chkconfig --level 35 nfs on

#exportfs -ra

#reboot

Client Configurations (On the client only)

Create a mountpoint for the NFS share (as root):

#mkdir /media/admin

#chmod 777 /media/admin

Edit /etc/fstab:

192.168.88.2:/var/www/html/inst /media/admin nfs noauto,rw,user 0 0

Mount:

#mount -a

Check running services on the server:

#rpcinfo -p 192.168.88.2

Mount the share type:

#mount /media/admin

Enable firewall logging on the server

Edit /etc/rsyslog.conf file to redirect logs to the file other than messages:

# nano /etc/rsyslog.conf

Append following line:

kern.warning /var/log/iptables.log

Add the following line at the end of the fules if you use default log file "messages":

-A RH-Firewall-1-INPUT -j LOG --log-prefix "FW:" --log-level warning

Then to search for firewall events:

cat /var/log/messages | grep FW: