Ubuntu Networking :: Creating A Ubuntu-based Intranet With Internet Access?
Jan 20, 2011
I am trying to create an intranet that will serve about 100 clients. If it is possible, I would like it to be set that anyone on the intranet would be able to type helpdeskin their browser bar and be taken to the intranet site. I have Webmin and there are just too many options to figure out how to do this. They may as well have written it in Chinese. File server? Email? Impossible.
I can get to the intranet locally by typing in the local IP, but no one wants to remember numbers.
Then, I need to get that intranet accessible via the internet. A domain name has already been purchased and our cable company has assigned us 5 static IPs. The issue here is getting the IP to link up with the server. The intranet has to be configured in such a way that it can be administered remotely. Again, with Webmin, I am clueless. I was going to try to use ISPConfig, but seeing as how you have to pay for the install directions
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Jul 15, 2011
i've installed a PPTP VPN and have it configured under webmin. fine.i've connected from a remote laptop to the VPN and can access the local netowrk with it. greati really want to be able to access the outside world whilst tunneled through the VPN but clearly i need to do something else?
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Sep 2, 2010
Installed 10.04 as a LAMP. I want to be able to create a new intranet site for testing purposes.
When creating a new site with in apache, what is the recommendation for the folder? With in the var/www? Everything appears to want a domain address and since its local only, what do I use as a domain?
I have webmin installed and I would think creating a virutual server would be my first step, but I am getting hung up on the domain address.
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May 12, 2011
what is the best configuration in httpd.conf to set up an intranet with Apache on Windows server?
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Feb 6, 2010
I am trying to configure my Linux router to restrict Internet access for one computer on my LAN. It needs to be restrictive based on the time of day and the days of the week. I am using the MAC address of the computer to single out the one computer that needs to be blocked. However, this is my first attempt at making any rules with iptables, and I am not sure if I am doing this right. If some one can take a look at this I would greatly appreciate it. This is what I have done so far.
Here is my thinking. Create a new target. Check the MAC address, if it is NOT the offending computer return to the default chain. If it is the offending computer check that we are between the allowed hours and dates and ACCEPT. If we are not within the time/date range then drop the packet.
Code:
Here I am trying to route all packets regardless of the computer on the LAN into the blocked_access chain for checking.
Code:
Is it a good idea to route all traffic through the blocked_access chain? I do run other servers that are accessible from the Internet, so I am not sure how this setup will affect that. I also use shorewall on the router to setup iptables for me. How would I integrate this with shorewall?
I am using squid to block access when he is using the web browser. However, he is still able to play games(World of Warcraft) and the like.
I am using Debian sid, iptable(1.4.6), shorewall(4.4.6), kernel 2.6.32-trunk-686.
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Apr 8, 2010
I've been doing some security testing in a lab environment that does not have direct internet access. From home to connect to my lab machine, I
1. SSH to machineA.
2. SSH from machineA to machineB
where machineB is my actual lab machine. neither machineA or machineB allow anything other than SSH, and machineB is only accessible from machineA. However, I really need to run yum on machineB.I have managed to get internet access via Firefox on machineB by creating a series of SOCKS proxy via SSH.
1. machineB: ssh -L 12345:localhost:12345 user@machineA
2. machineA: ssh -D 12345 user@machineC
3. machineB: configure firefox to use socks proxy, localhost, 12345
where machineC has internet without limits placed. This is the only way I have managed to get internet working. I tried using ssh -L all the way from machineB->machineA->machineC but it didn't work (even when setting Firefox to use http proxy). I tried using ssh -D all the way, but again that doesn't work either. I do have access via Firefox using socks proxy. However, yum update fails to retrieve mirror list, and from what I have found I don't believe yum supports socks proxy directly. Instead, it uses http_proxy / ftp_proxy.how to get yum to go out over the SOCKS proxy I created (same one using in Firefox)? It seems like since Firefox can access the internet and everything without issues, i should be able to get yum to tunnel through the same connection to access everything.... I tried
>export http_proxy="http://localhost:12345"
(yum.conf) proxy="http://localhost:12345"
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Dec 29, 2010
I've recently installed Ubuntu server 10.10 on an older Pentium 3 computer to test the capabilities of Ubuntu and to have more experience with the OS. During my install, the network card, a Kingston KNE100TX, was successfully detected however auto configuration failed. This was tried against a Windows 2k3 DHCP server as well as a Cradlepoint router. As expected, since no DHCP server provided an address, the routing table is empty.
I retried configuring the Kingston card with a static IP address. This time as expected, ifconfig showed the IP address that was assigned and the route table had been populated. Attempting to ping my gateway, 192.168.17.1, resulted in Destination Host Unreachable. The same results were encountered when the configuration was changed to a different network.
[Code]...
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Dec 29, 2010
I've been running with DSL and Linksys router, connecting servers and printer via hard-wire Ethernet. The router doesn't like to talk to things without a network connection (the only thing I can have is a USB wireless modem until I get HughesNet or some other satellite service). What I'm wondering is what I need (a bridge? a switch?) to plug stuff in and have them talk to each other nicely.
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Jan 12, 2011
I can connect to the Internet. I can not access gmail or yahoo mail. It doesn't matter what browser I use.
If I switch to a wired connection, I can access gmail. Other wireless networks work fine.
MY router is a Belkin N, but it allows me to access other sites. The settings seem pretty vanilla, not different than wireless routers where I can access gmail.
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Dec 9, 2008
I am trying to setup a simple DNS Server which forwards all connections to ISP DNS except for my intranet webserver.E.g. intranet.com should be retrieved from 192.168.XXX.XXX...I have read tons of forums etc., but it seems that i am stupid. How to do that? Even with GUI its ok.
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May 23, 2010
Currently I am using Ubuntu but I am having a huge problem with it right now and it may force me to abandon my linux hunger and get Win 7. I am hoping that Fedora may be different enough that it will solve my problem if I switch. I have my linux box (ubuntu 9.10) that connects to the internet through a wireless usb dongle. and it works perfectly.I have network shares that allow me to share content with my media player (modded xbox) in a different location of the house. I added a tv to my office and connected another xbox to it. This connection to my linux machine is made through a switch. This wired intranet connection works fine. I can see all of my shares.
The problem I have is when I am using the wired intranet connection and I want to surf the web. I cant. I have to disconnect the wired connection to do so. IS Fedora different enough to to allow me to be able to do so? I am a linux newbie and learning more everyday and I love it.
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Mar 30, 2010
wrote a network emulator program in c programming. It can run for ubuntu terminal with good performance.But i have to make it for web-based user configuration. So i had setup apache web server and write this program in cgi script and try to execute this program from web page.This program must be run in root privilege($sudo -s) and add the iptables rules such as (#iptables -A OUTPUT -j QUEUE). So my question is how to add iptables rules in my cgi scripts? How to set the superuser(root privilege) permission to access my program through web server?
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Feb 10, 2011
i have configured the network as far as i can but when i click into samba shares and my home network comes up i click into the home network and the the available computers and printers are shown but when i click to open a site it just shows 0 files i have tried to share all files within my encrypted network but im still not doing something right. the same sites show up and all files are shared on my Windows computers and printerswhat am i missing or doing wrong? im using open suse 11.3 and KDE and Samba Shares.
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Aug 10, 2011
i have qmail toaster installed on centos5.6 , i want to divert my local intranet mail to my gmail account,i am using thunderbird as email client
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Dec 31, 2010
I managed to configure my W890i phone to get access to internet through an ubuntu-based computer. It's very easy to use the phone to give internet access to the computer, but the opposite is quite more tricky. For that I've done the following
----On the phone---
-Set the USB network option to "through computer", so that the phone uses the computer's internet connection and not the opposite.
-Decide and set "Shared Network" parameters: user, pasword and workgroup.
-In "conectivity-> internet connection" set "allow local network" to "yes"
----On Ubuntu 10.04---
-Install samba, samba-client, smbfs, smbclient, firestarter and dhcp3-server
-Configure Samba (System-> Administration-> Shared folders): same workgroup as in the phone, add new user (the phone), passwd this new user. In my case the user was called "w890i" and the password given was the same.
-Once the phone is connected to the computer through USB (then select "phone mode"), a new connection appears in NetworkManager: usb0.The aim is to create a shared network that gives internet access to this device. Edit the IPv4 parameters of this new connection, set them to Manual and give an IP adress (192.168.0.1) and a subnet mask (255.255.255.0); the rest of the fields are left empty.Connect this network.
-Set firestarter to use dhcp3: sudo ln -sf /etc/init.d/dhcp3-server /etc/init.d/dhcpd
-Launch firestarter and follow the wizard. Set "allow internet shared connection", choose the device for the primary internet access, and then the device for the shared network (usb0). Then change the settings for firestarter: activate DHCP for local network, set IP to the one we gave before (192.168.0.1).
-Open dhcp3-server config file sudo gedit /etc/default/dhcp3-server And set INTERFACES="usb0"
-Set the policies of firestarter: in incoming connections, allow connections from the IP adress given to the phone (192.168.0.1). Then add rules for the ports that need to be open for this connection. I opened HTTP, HTTPS, SMB, SMTP, POP3, IMAP, IMAPS, DHCP for all the connections in the local network.
-Apply policies and start the firewall.
------------
After all this, the phone can access the internet through the computer. Two problems appeared:
1. I couldn't get access to https sites, like webmails. The phone gave a "communication error". But then I tried with Opera instead of the browser built in the phone's firmware, and I could finally get to https sites.
2. I couldn't retrieve mail, neither POP nor IMAP nor IMAPS. I thought it was a firmware problem again, and I tried out several mobile phone email clients written in java, but none of them worked.
So this is at the moment the problem. If I connect from the phone to the internet directly through 3G, the email clients work for all my accounts. I don't think it's a firewall problem, because the ports are opened for this connection
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Jul 6, 2011
I connected my laptop running with Ubuntu 11 in the LAN but I couldn't access internet.But I could ping to the other computers connected in the LAN. I tried the same thing with windows 7 in the same laptop and I could access internet.
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Jul 5, 2011
I installed CentOS 5.6 (kernel: 2.6.18-238.12.1.el5) with X Window on my HP Compaq 6710b. I also downloaded the firmware iwl3945 for my Intel Pro Wireless 3945 and manually installed it, reloaded the iwl3945 module and enabled NetworkManager. I could then get the wireless network connection worked on my graphical environment. I installed additional software manually by using the terminal window (Applications --> Accessories --> Terminal) and everything worked perfectly.
However, when I switched to text-based environment by issuing the commend "sudo init 3" (changing the user level) and logging in as root, I could not get any internet connection. I tried to use lynx and I got the error message: "Unable to connect to remote host". I am a complete newbie in Linux and I tried to google and search for solution within centos.org but I could not find.
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Oct 25, 2010
I have a sunfire server that I connect to my dell inspiron 6000 laptop for internet. The wireless router and cable modem are in another room of the house, and I can't move the stuff in the same room. The inspiron 6000 and sunfire have the same external IP address, but I want to run a game server off of it, how can I get that to work if they have the same address?
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Mar 19, 2009
OK, what I want to do, I think is possible but I dont kno name of it or how 2 do it under even windows for that matter. I have my current PC connected via Ethernet directly to my house router. Now on this Motherboard, I also have a wireless nic that I have no plans on usin. Can I turn it in2 an access point/wifi for other devices like iPods, Wii, Labtops, ect?Also, how would I do it if not Wifi, use the other Ethernet port to plug up say a labtop. In which the labtop uses the net I am getting from the router?
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Jul 7, 2010
I want to do is make an old computer of mine that I use for web development be accessible to anyone within my LAN only.
so in a nutshell i don't want the world wide web to be able to access this server since I use it for development work only and i do most of my actual development work on another system since most of the applications i use requires windows.
I know you can block incoming traffic to all IPs or add individual IPs to allow in, but how can i make the firewall only accept incoming traffic from those within my LAN network?
if you wish to know what I'm using to configure my firewall, I'm using firestarter on this server
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Sep 2, 2010
I have a system built and running in exactly the basic configuration I want, with my recompiled kernel, extra packages, special drivers, everything works, life is good. What I want to do is take this exact setup and create an image I can copy onto a bootable USB stick. Is there a way to essentially take the contents of my hard drive and copy that onto a USB stick and then boot directly from that? The use case behind this is that I am building an embedded system of which I may have hundreds of boxes with identical hardware and software configurations. Instead of hard drives, I am going to use USB sticks for cost efficiency and maintenance. My idea is that when it's time to upgrade, I could just image a hundred new sticks and go out and swap them.
My issue is that a standard LiveCD install gets me maybe 25% of the way to a finished system. I need to recompile the kernel for realtime support with my CPU, add some fidgety drivers for some specific hardware, and install a whole bunch of additional packages. I suppose I could create a makefile(s) to replicate all the manual steps of the buildout but that seems like a lot of unnecessary complexity IF I can just image that running system as it is.
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Apr 30, 2011
I have a bunch of .7z files in a directory, and I need to put each one of them into a separate directory, named after the file (without extention). The command line I use:
Code:
find . -type f | mkdir `sed -e "s:..(.*)...:1:"` ; ls | grep .7z | cp * `sed -e "s:(.*)...:./1/:"`
Copying fails though:
[Code]....
PS. I don't want to use scripts, I want to do it using simple commands and piping.
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Oct 5, 2009
Looking for an up-to-date guide for creation on DOS based USB flash using a large (2GB) USB key. All the guides are OLD and not working.
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Mar 18, 2011
If i were to build an sftp client which launched with logon details, and could then controlled by sending commands to that daemon; would that be ideal way to create an sftp client with disposable credentials?
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Feb 19, 2010
I am using Ubuntu on a Windows network.
One of the computers have apache server (working), it has 192.168.1.6 IP, and the name of the computer on the network is "servidor"
I can't access from ubuntu, if I type http://servidor or 192.168.1.6, it goes to [URL], but I can access shared folders, just the host intranet server I can't
I have vmware with windows xp, and I can access http://servidor from there, but not from Firefox in Ubuntu.
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Mar 11, 2011
(ubuntu10.10)i want to use use the Intranet and Extranet at the sanme time at school,how to set ?my Intranet ipv4 :10.62.14.79 255.255.255.0 gw 10.62.14.1my Extranet is DSL(use DHCP)my problem is when i use one of them,i must break the other.
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Oct 8, 2010
I'm setting up my profile in gnome right now, with things like fonts, themes, wallpapers, iceweasel settings, menu settings, and I'm going to be adding a couple new users. Rather than re-do everything again, I thought I'd just create the new user, copy over my home dir, chown it to the new user and then login to make minor final adjustments, like specifiying where the music dir is and such.Just wondering if there'd be any problems with this, since it's just an idea I think should work but have never tried it. Any experience, or warnings?
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May 15, 2009
Is it possible to create a text based menu layout in bash were it is possible to browse through. The menu list should look something like this:
----------------------------------------
user: root
colour: blue
number: 4
animal: dog
----------------------------------------
At the start the cursor should blink at the r from root so that text can be entered. When pressing the enter the cursor should go to the b from blue and so on. the imported thing is that all the text is visible also beyond the position from the cursor.
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Aug 26, 2010
I have a linux box (fedora) with two ethernet cards eth1 and eth2. On eth1 I successfully configured a PPPOE internet connection. Such that from the server I can browse the internet. On eth2 I wired it to a wireless router essentially to provide the wireless cloud. On eth2 I also configured dhcp, such that the Linux box is both PPPOE and DHCP server.However my clients on the LAN cannot access the Internet.
On passing the routing command I get
Destination Gateway Iface
196.44.x.y 0.0.0.0 ppp0
192.168.1.0 0.0.0.0 eth2 (my subnet)
0.0.0.0 0.0.0.0 ppp0.
The router (functioning as a wireless access point mainly) has a fixed IP address of 192.168.1.2 and eth2 has IP address 192.168.1.1. The dhcp file running on Linux has been set with option router (Gateway) 192.168.1.1. I cannot figure out how to correctly set the routing table such that my clients on wireless can access the internet cloud. I googled and googled but no solid solution. Any suggestions?
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Feb 5, 2011
Could you pleaseme out.I have installed Virtual BOX on windows 7.Ubuntu i have installed on virtual box.Now i want to access internet from the Ubutu VM.
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