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<html>
<head>
<meta http-equiv="content-type" content="text/html" charset="utf-8">
<title>smb_nfs</title>
<style type="text/css">
#code {
font-family: Courier New;
font-size: 12;
}
</style>
</head>
<body>
<h1>
smb_nfs
</h1>
<p>
<a href="#vb">VirtualBox</a> | <a href="#server">Server</a> | <a href="#client">Client</a> | <a href="#nfs">NFS</a> | <a href="#smb">Samba</a> | <a href="#dhcp">DHCP</a>
</p>
<h2>
Quick guide
</h2>
<p>
Set up two virtual computers - SimpleArbiterDhcp and FileServer.
</p>
<p>
Make sure that the directory /srv/nfs/ERLbbBrT on FileServer is accessible
over NFS and over SMB under the sharename urania-03.
Set the SMB server name to zarptica-32.
</p>
<p>
SimpleArbiterDhcp should have write access to /srv/nfs/ERLbbBrT over NFS.
</p>
<h2>
Instructions
</h2>
<ul style="list-style: none;">
<li>
<h3>
Download these VM images:
</h3>
<ul type="disc">
<li>
student-fileserver.vdi
</li>
<li>
simpleArbiterDhcpGW.vdi
</li>
<br>
</ul>
</li>
<a name="vb"></a>
<li>
<h3>
VirtualBox Settings:
</h3>
<ul type="disc">
<li>
Enable PAE/NX for both VMs: Settings⇒System⇒Processor
</li>
<li>
For FileServer
<ul>
<li>
Adapter 1 - NAT
</li>
<li>
Adapter 2 - Internal Network
</li>
</ul>
</li>
<li>
For SimpleArbiterDhcp
<ul>
<li>
Adapter 1 - Internal Network
</li>
</ul>
</li>
</ul>
</li>
<br>
<a name="server"></a>
<li>
<h3>
Server FileServer
</h3>
<ol>
<a name="dhcp"></a>
<li>
Set up a DHCP server
<ol>
<li>
<span id="code">
apt-get update
</span>
</li>
<li>
<span id="code">
apt-get install isc-dhcp-server
</span>
</li>
<li>
The server will not start (error
<span id="code">
Starting ISC DHCP server: dhcpdcheck syslog for diagnostics. ... failed!</span>)
, configure 3 files:
<ul>
<li>
In /etc/network/interfaces set static IP for eth1 on which the DHCP server will be running,
e.g.:
<p id="code">
auto eth1<br>
iface eth1 inet static<br>
address 192.168.1.10<br>
netmask 255.255.255.0<br>
network 192.168.1.0<br>
broadcast 192.168.1.255<br>
</p>
</li>
<li>
In /etc/default/isc-dhcp-server:
<p id="code">
INTERFACES="eth1"
</p>
</li>
<li>
In /etc/dhcp/dhcpd.conf configure the subnet properties,
e.g.:
<p id="code">
authoritative;<br>
default-lease-time 600;<br>
max-lease-time 7200;<br>
<br>
subnet 192.168.1.0 netmask 255.255.255.0 {<br>
range 192.168.1.100 192.168.1.200;<br>
option routers 192.168.1.10;<br>
option domain-name-servers 193.2.1.66, 8.8.4.4;<br>
<br>
host SimpleArbiter {<br>
hardware ethernet 08:00:27:A2:FB:B4;<br>
fixed-address 192.168.1.180;<br>
}<br>
}<br>
</p>
</li>
</ul>
</li>
</ol>
</li>
<a name="nfs"></a>
<li>
Set up a NFS server
<ol>
<li>
apt-get install nfs-kernel-server
</li>
<li>
Determine the rules in /etc/exports, e.g.:
<p id="code">
#privileges for SimpleArbiterDhcp<br>
/srv/nfs/ERLbbBrT 192.168.1.180(rw,sync,insecure)<br>
/srv/nfs/ERLbbBrT 192.168.1.0/24(ro,sync,insecure)<br>
</p>
</li>
<li>
Change the owner of the directory and files in it:
<span id="code">
chown student /srv/nfs/ERLbbBrT
</span>
and similarly for all the files in shared directory. The owner should not be root.
</li>
<li>
Run command
<span id="code">exportfs -rv</span>
to export file systems
<p>After that run
<span id="code">
services nfs-kernel-server restart
</span>
</p>
</li>
<br>
</ol>
</li>
<a name="smb"></a>
<li>
Set up SMB server
<ol>
<li>
<span id="code">
apt-get install samba
</span>
</li>
<li>
Create directory urania-03 and set owner and privileges:
<p id="code">
mkdir /home/student/urania-03<br>
chown -R root:users /home/urania-03/<br>
chmod -R ug+rwx,o+rx+w /home/urania-03<br>
</p>
</li>
<li>
Edit configurations in /etc/samba/smb.conf, add at the bottom of document, e.g.:
<p id="code">
[global]<br>
workgroup = users<br>
server string = zarptica-32<br>
dns proxy = no<br>
log file = /var/log/samba/log.%m<br>
max log size = 1000<br>
syslog = 0<br>
panic action = /usr/share/samba/panic-action %d <br>
security = user<br>
encrypt passwords = yes<br>
passdb backend = tdbsam<br>
obey pam restrictions = yes<br>
unix password sync = yes<br>
passwd program = /usr/bin/passwd %u<br>
passwd chat = *Enter\snew\s*\spassword:* %n\n <br>*Retype\snew\s*\spassword:* %n\n <br>*password\supdated\ssuccessfully* .<br>
pam password change = yes<br>
map to guest = bad user<br>
usershare allow guests = yes<br>
<br>
[homes]<br>
comment = Home Directories<br>
browseable = no<br>
read only = yes<br>
create mask = 0700<br>
directory mask = 0700<br>
valid users = %S<br>
<br>
[printers]<br>
comment = ALl Printers<br>
browseable = no<br>
path = /var/spool/samba<br>
printable = yes<br>
guest ok = no<br>
read only = yes<br>
create mask = 0700<br>
<br>
[print$]<br>
comment = Printer Drivers<br>
path = /var/lib/samba/printers<br>
browseable = yes<br>
read only = yes<br>
guest ok = no<br>
<br>
[urania-03]<br>
comment = All Users<br>
path = /home/urania-03<br>
users = @users<br>
force group = users
create mask = 0660<br>
directory mask = 0771<br>
writable = yes<br>
</p>
</li>
<li>
Restart Samba:
<span id="code">
service samba restart
</span>
</li>
<li style="list-style-type:none;">
<p>
Test the syntax of smb.conf file with command
<span id="code">
testparam
</span>
</p>
</li>
<li>
Add users:
<p>
In order to define passwords for Samba users they have to exist on a local system, too.
<p>
Use command
<span id="code">
useradd USERNAME --shell /bin/false
</span>
to create user with a disabled account and without home directory, e.g:
<p id="code">
useradd tester --shell /bin/false
</p>
</p>
<p>
Define Samba password for your user:
<p id="code">
smbpasswd -a tester
</p>
<p>
Add the user to your group.
<p>
Open /etc/group file and add group and users:
<span id="code">
users:x:1002:tester
</span>
</p>
</p>
<li> Restart Samba.
</li>
</li>
</ol>
</li>
</ol>
</li>
<br>
<a name="client"></a>
<li>
<h3>
Client SimpleArbiterDhcp
</h3>
<ul type="disc">
<li>Create directories for your mounts, e.g.:
<p id="code">
mkdir mnt<br>
mkdir mnt/smb<br>
mkdir mnt/nfs<br>
</p>
</li>
<li>
NFS: Run command
<p id="code">
sudo mount 192.168.1.10:/srv/nfs/ERLbbBrT /mnt/nfs
</p>
</li>
<li>
SMB: Run command
<p id="code">
sudo mount -t cifs //192.168.1.10/urania-03 /mnt/smb -o username=tester,password=test,workgroup=users<br>
</p>
</li>
<p>
You should be able to access shared folders now.
</p>
</ul>
</li>
</ul>
</body>
</html>
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