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linux web and ftp server

refer to http://www.experts-exchange.com/jsp/qManageQuestion.jsp?ta=linux&qid=20181417

Dear sir,

    I've installed RH 7.1 , with ftp and web server.However, I found that if I access the web server and ftp server from localhost, it is okay. But the computers on the network cannot access it.(I type the ip address of the server).Do you know what's the problem?
    BTW, in which file can I modify the init level such that when I boot into the Red Hat, I will go into graph mode instead of text mode?Thanks!
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hpchong7
Asked:
hpchong7
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1 Solution
 
newmangCommented:
1) The runlevel is set in the /etc/inittab file.
In this file you will find a line reading  as follows :

id:3:initdefault:

Change the 3 to a 5 and the system will now boot into the GUI.

2) How does your system resolve host names? I found on my system that telnet & ftp did not accept external connections until I added an entry for my network DNS host.

Cheers - Gavin
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hpchong7Author Commented:
Dear Gavin,
   May be I am the same as your case!!!Where do I add entry for my network DNS host?Thank you so much!
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newmangCommented:
hpchong

The easiest way is to run linuxconf (as root) then select the networking section and then the name server section

The manual way to do it is to create (or modify) the /etc/resolv.conf file and add the following lines:

search domain.name.one domain.name.two
nameserver my.dns.ip.address

where the first line defines the domain names to use and the second defines the ip address of your DNS host.

You may also have to edit the /etc/nsswitch.conf file to ensure that the hosts: line includes the dns parameter.

linuxconf is the easier way to go about it.

Cheers - Gavin
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hpchong7Author Commented:
I found that inside my etc/resolv.conf file:

search localhost.localdomain
nameserver  x.x.x.x

while inside /etc/nsswitch.conf file:
hosts:files dns
is already exists,

But I still cannot accept external web,ftp and telnet connection.........
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hpchong7Author Commented:
Dear Gavin,

  At last I found it's the problem of the linux firewall, which block all external access by default!Anyway, thank you very much for your help which taught me a lot!
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