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Dear friends
can anybody give me some information about the following things:
1. how is it possible to setup a linux network which is like the
WinNT server/clients model, ie server and many clients accessing
the server shares and the users authenticated by the server.=20
=20
I went through the networking, NIS, NFS, samba howtos and etc..
2. I think, before going to the details its better to start from=20
simple things that are concerned with networking, i having doubts
these things.. i am a bit new to networking.
=20
3. i'll tell the situation iam facing now.
The os is RedHat 6.2, and pentium machines.
=20
first. i have 2 machines connected via a hub. i did a custom install
on both the machines, also ( enabled NIS domain), i configured the=20
eth0 and gave static ip address on both machines. I didnt give=20
md5 and shadow passwd option. the eth0 starts ok while booting.=20
the problem came with ping.
from machine 1 i could ping to machine 2, but pinging from machine 2
to machine 1 was very slow, showed around 85% packet loss. Then i =
checked the cable and interchanged the network card, still it showed
around 85% packet loss from machine 2 to machine 1 (The hub wasnt=20
changed). machine 1 to machine 2 was ok with no packet loss. so i=20
reinstalled machine 2 wihout checking NIS. still the same prob came.=20
=20
Then i gave the ip addresses and hostname etc.. in /etc/hosts
file on both machines then the ping began to work fine. is it=20
nessary that we should give the information of all hosts to all
machines.
Can u tell me which files need to be edited to get the ping right
atleast and also these server, host and domain things
Are the /etc/hosts, sysconfig/network the only essential things?
=20
now i configured NIS ( made machine 1 NIS server, and gave an NIS
domainname ) after that, while running the ypinit -m command,=20
there was an error "cannot create passwd.byname ..shadow not found"
the exact words of the error message is not same but the message
meant like as stated above.
i didnt select shadow passwd while installing, is it because of=20
that.
HOW can i install shadow without reinstalling linux. =20
=20
the nis server started inspite of this. on the client after running
ypbind i gave the "ypcat passwd" command,, it showed error
"passwd.byname not found.. "
=20
I left it there and configured NFS and it seemed to work fine, i=20
could access shares on the server from the client machine.
Is this the way to setup a client/server env like in windowsNT?
All the situation changes now..
Till now there were only 2 machines on the network, with only
linux on it. There is a winowsNT network which is nconnected.
Now i had to make windozNt server access the linux server so i=20
conneced the linux network to the win network. The win server=20
is configured to run on DHCP ( linux is static ip) . pinging from
linux to win sever and vice versa failed.
( the ip of linux starts from 192.0.0.1 and NT server ( dhcp )=20
starts from 146. ... .. )=20
Is it a problem with ip address.
Now from linuxconf i selected the eth0 interface to dhcp, but didnt=20
remove the static ip addresses. I rebooted the linux server and gave=20
"ip addr"
it showed a dynamic ip addr starting from 146. . ... ,, pinging
from win server to linux succeded this time, but vice versa failed=20
,, the NFS server didnt work also. i didnt change eth0 of linux=20
client to dhcp.
=20
how can i configure dhcp sever, and NIS, NFS, SAMBA in it=20
4. once i configure NIS, NFS, SAMBA etc, can i access postgresSQL
database server from linux server and SQL client frontend from=20
linux client machines ? Or only a TCP/IP connection is necessary
for it?=20
Can the Postgeres server be on linux and client be on windows?
How is it done.
5. can linux be installed over a network? eg: machine m1, m2.
m1 is having linux installed and also a cdrom is there.
m2 does not have any os but connected physically to m2.
can linux be installed on m2 from m1? How?
I know that the mail is too long for everybody. the problem is that
i dont've much time left to implement the above situation.
If i had more time I wouldnt 've troubled u with this much questions.
Even if u dont know every thing, please share what u know,=20
that will be really helpfull.
=20
once again, sorry for taking ur precious time
and thank u for reading this atleast.
Knox J=20
I believe finding aswers to this could be a real help to the=20
community.
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<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>Dear friends</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>can anybody give me some information =
about the=20
following things:</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>1. how is it possible to setup a linux =
network=20
which is like the<BR> WinNT server/clients model, ie server =
and many=20
clients accessing<BR> the server shares and the users =
authenticated=20
by the server. <BR> <BR> I went through the =
networking,=20
NIS, NFS, samba howtos and etc..</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>2. I think, before going to the details =
its better=20
to start from <BR> simple things that are concerned with =
networking,=20
i having doubts<BR> these things.. i am a bit new to=20
networking.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2> <BR>3. i'll tell the =
situation iam=20
facing now.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2> The os is RedHat 6.2, and =
pentium=20
machines.<BR> <BR> first. i have 2 machines =
connected via=20
a hub. i did a custom install<BR> on both the machines, also =
(=20
enabled NIS domain), i configured the <BR> eth0 and gave =
static ip=20
address on both machines. I didnt give <BR> md5 and =
shadow =20
passwd option. the eth0 starts ok while booting. <BR> =
the=20
problem came with ping.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2> from machine 1 i could =
ping to machine=20
2, but pinging from machine 2<BR> to machine 1 was very =
slow, showed=20
around 85% packet loss. Then i checked the =
cable=20
and interchanged the network card, still it showed<BR> =
around 85%=20
packet loss from machine 2 to machine 1 (The hub wasnt <BR> =20
changed). machine 1 to machine 2 was ok with no packet loss. so i=20
<BR> reinstalled machine 2 wihout checking NIS. still the =
same prob=20
came. <BR> <BR> Then i gave the ip addresses and =
hostname etc.. in /etc/hosts<BR> file on both machines =
then=20
the ping began to work fine. is it <BR> nessary that we =
should give=20
the information of all hosts to all<BR> =
machines.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2> Can u tell me which files =
need to be=20
edited to get the ping right<BR> atleast and also these =
server, host=20
and domain things<BR> Are the /etc/hosts, sysconfig/network =
the only=20
essential things?<BR> <BR> now i configured NIS ( made =
machine=20
1 NIS server, and gave an NIS<BR> domainname ) after =
that, =20
while running the ypinit -m command, <BR> there was an error =
"cannot=20
create passwd.byname ..shadow not found"<BR> the exact words =
of the=20
error message is not same but the message<BR> meant like as =
stated=20
above.<BR> i didnt select shadow passwd while installing, is =
it=20
because of <BR> that.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2> HOW can i install shadow =
without=20
reinstalling linux. <BR> <BR> the nis =
server=20
started inspite of this. on the client after running<BR> =
ypbind i=20
gave the "ypcat passwd" command,, it showed error<BR> =
"passwd.byname=20
not found.. "<BR> <BR> I left it there and =
configured NFS and it seemed to work fine, i <BR> could =
access=20
shares on the server from the client machine.<BR> Is this =
the way to=20
setup a client/server env like in windowsNT?</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2> All the situation changes=20
now..</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2> Till now there were only 2 =
machines on=20
the network, with only<BR> linux on it. There is a winowsNT =
network=20
which is nconnected.<BR> Now i had to make windozNt server =
access=20
the linux server so i <BR> conneced the linux network to the =
win=20
network. The win server <BR> is configured to run on DHCP ( =
linux is=20
static ip) . pinging from<BR> linux to win sever and vice =
versa=20
failed.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2> ( the ip of linux starts =
from=20
192.0.0.1 and NT server ( dhcp ) <BR> starts from 146. ... =
.. )=20
<BR> Is it a problem with ip address.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2> Now from linuxconf i =
selected the eth0=20
interface to dhcp, but didnt <BR> remove the static ip =
addresses. I=20
rebooted the linux server and gave <BR> "ip =
addr"</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2> it showed a dynamic ip =
addr starting=20
from 146. . ... ,, pinging<BR> from win server to =
linux=20
succeded this time, but vice versa failed <BR> ,, the =
NFS=20
server didnt work also. i didnt change eth0 of linux <BR> =
client to=20
dhcp.<BR> <BR> how can =
i=20
configure dhcp sever, and NIS, NFS, SAMBA in it </FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>4. once i configure NIS, NFS, SAMBA =
etc, can i=20
access postgresSQL<BR> database server from linux server and =
SQL=20
client frontend from <BR> linux client machines =
? Or=20
only a TCP/IP connection is necessary<BR> for it? =
<BR> =20
Can the Postgeres server be on linux and client be on =
windows?<BR> =20
How is it done.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>5. can linux be installed over a =
network? eg:=20
machine m1, m2.<BR> m1 is having linux installed and also a =
cdrom is=20
there.<BR> m2 does not have any os but connected physically =
to=20
m2.<BR> can linux be installed on m2 from m1? =
How?</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>I know that the mail is too long for =
everybody. the=20
problem is that<BR>i dont've much time left to implement the above=20
situation.<BR>If i had more time I wouldnt 've troubled u with =
this much=20
questions.<BR>Even if u dont know every thing, please share what u =
know,=20
<BR>that will be really helpfull.<BR> </FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>once again, sorry for taking ur =
precious=20
time<BR>and thank u for reading this atleast.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>Knox J </FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>I believe finding aswers to this could =
be a real=20
help to the <BR>community.<BR></FONT></DIV></BODY></HTML>
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