Ubuntu Networking :: Can't Config Router ?
Feb 22, 2011
My brother owns a chain of photo studios and we've just converted the computers over from Windows Vista to Ubuntu 10.10
We're setting up a wireless router at one of them right now and I can't log into the router via chrome or firefox by typing in 192.168.0.1
It just tells me there is no network connection. From what I remember I don't need internet to connect to the router to configure it.
On windows or osx it's generally a plug and play operation to getting the wireless all setup and secure.
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Jun 8, 2010
Under ubutntu 10.04 I'm unable to acces the config page 192.168.1.1 the browser just won't open th page (and I have Internet as I'm writing this right now).
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Jan 6, 2011
My Desktop is wired through eth0 to my wireless router. The router is connected to the internet. the ipaddress leased to my desktop was done with dhcpcd. My laptop is connnected to the wireless router through the wifi card known as device eth1 and i used dhcpcd for that also. How can I network my laptop via wifi through the router to the Desktop?
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Mar 4, 2010
I am using centos box as a router. WAN side has a public ip and lan side also using a public ip. I configured dhcp server on the LAN side and it is working perfectly, pcs on the LAN side can able to access the internet.
Problem: Considering the fact that LAN IPs is using Public IP and it is presumed that from the internet it can be able to ping IPs inside the LAN but, alas, it couldn't.
No firewall has been config!
Question: What config should be done on the box so that IPs inside the LAN can be ping from the internet?
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Feb 13, 2010
I Love Jdownloader program but can't solve this old problem.
I'm still a little retard with GNU/Linux
Able to do a reconnect by running the following commands
Quote:
This is the script I'm using.
Quote:
It resembles this one in Window$
The program dhcpcd requires root user privileges.
Avahi daemon and network-manager widget should be disabled or uninstalled for this to work on Ubuntu.
Also I'm using Karmic.
I'm not Cisco certified. What I think it does, in a non technical comparison, is tell the ISP hardware that your ip should be 190.189.48.52 or whatever number you like.
For the ISP this would be the last lease you used.
The ISP hardware does not recognize this last lease in its list, so it assigns a new ip.
That does the trick and you get your new ip!
My ISP promotes the service with dynamic ip so no legal matters here.
The problem is how to automatize it.
Sudo runs the script with no privileges problems.
I am able to run it password-less by modifying sudoers file via visudo command.
I add the following line
Quote:
It can also be like (this would need extra security measures?)
Quote:
Then you can run sudo /usr/bin/cambiar-ip and it won't prompt you for a password.
Password issues solved, I cannot get Jdownloader to run it.
In the Settings > Reconnection tab
Tried to use "External" and "Batch" but i get reconnection failed sad face.
I've tried in "External" /usr/bin/sudo /usr/bin/cambiar-ip
It won't work.
I'm missing something of the Unix security structure.
Here is the wiki of the program
[url]
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Apr 13, 2010
Because of the configuration of my house, I need two routers.I have a DLink ADSL router as my main router and the Belkin N1 as my repeater.I have set up the IP address in the Belkin to be 10.1.1.10 - my DLink is 10.1.1.1. I have disable the dhcp in the Belkin and set the DNS as ISP provided. [URL]..I have set the channel to 11 and in the Ubuntu Network Manger I have set the IPV4 to Link Local Only. I can see the Belkin and connect with my PC.but it will not take me through to the internet.
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Jun 18, 2011
I want to set up a Linux box as a wireless router to replace our existing Netgear WNR1000 router, as I believe the Netgear does not support the coming IPv6 protocol. Unfortunately, it is not flashable with OpenWRT or DD-WRT presently.
As we have Comcast, our cable modem acts as a dumb modem according to the customer support guy I talked to, and our router is the one that asks for the IP address from DHCP. Thus, when Comcast switches over to IPv6, I don't believe my existing router would work, correct?
My idea is to take a Linux box and put two NICs and a wireless adapter in it, using IPCop or Smoothwall to set up a router. I could then enable IPv6 support for when we have IPv6 with Comcast. Is that possible? Would there be a way to get BIND to hand out private IP addresses in the same subnet on the both the LAN NIC and the wireless card?
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Nov 6, 2009
I have a desktop PC running Ubuntu 9.10 and Windows 7, and a Eee PC 701 laptop running EasyPeasy Ubuntu 9.04. I'd like to connect the desktop to the laptop with a wired connection (eth0), then the laptop to my ADSL router using wireless (ath0).
I have a crossover ethernet cable (I bought on ebay). I have set up my laptop with a static IP address on my LAN and it uses OpenDNS.
I have added this to /etc/sysctl.conf on the laptop:
net.ipv4.ip_forward=1
Then I tried this on the laptop:
sudo iptables --table nat --append POSTROUTING --out-interface ath0 -j MASQUERADE
sudo iptables --append FORWARD --in-interface eth0 -j ACCEPT
This is a variation on what I found on other sites describing how to set up a router. I don't understand iptables very well, but I gather that the above two lines should set up forwarding so that traffic from my router to the laptop will be forwarded to the desktop, and vice versa.
But this doesn't work. The connection doesn't even establish between the laptop and the desktop.
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Apr 24, 2010
I'm having trouble getting my network set up the way that I want it/had it. You see, when I first set up my network, I just had my cable modem going directly to my standard wired router (A D-Link DI-604), which had DHCP,and was connected to all of the computers on my network. I had one switch hooked up to one of the ports of the router, but this was a regular switch, and it would not try to assign IP addresses, it would just pass through the DHCP info as I wanted.
Now however, my network setup has changed. My room mate and I both got laptops, and we decided that we wanted to have wireless access so we didn't have to constantly plug in to the router.
Now my network is set up like this: The modem is hooked up to the router(DI-604), which is hooked up on the LAN side to our computers, our switch (which is hooked up to 3 more computers), and to a wireless router card (A Gigabyte GN-BC01).
The wireless router card has two jacks for ethernet. One for WAN, and one for LAN. The LAN side we have plugged only into the computer in which the card is installed.
Now the problem is this: The wireless router card comes with DHCP by default, and it's assigning addresses to the laptops and to the computer hat it's in, and worse, the IP addresses are on a different subnet than that of the main dlink router. The Main (dlink) router assigns addresses from 192.168.0.1 (itself) to 192.168.0.254, while the wireless router card assigns addresses from 192.168.1.1 to 192.168.1.254 (itself).
Because of this, I cannot access services on the wireless network from my wired network or vice versa. The first thing I tried was setting the card to assign addresses from 192.168.0.12 to 192.168.0.253, however it just said "internal error" when I tried to do this. I decided that this may be because it sees that it was being assigned an address on it's WAN side on the same subnet. So the next thing I tried was disabling DHCP and setting the "LAN IP Address" to 192.168.0.12, hoping that the DHCP would just go through the card, like a switch. I would have set the LAN IP address to be assigned by DHCP, but this was not an option, so I decided that'd be the best thing to set it to.
Once again however, setting the LAN ip address to an address on the same subnet as that of the IP assigned to it's WAN side caused it to report an "internal error". I verified that this was the issue by setting the LAN address to several other private IP addresses to test (I.E. 10.0.0.1, 192.168.3.1, 192.168.5.12).
My question then really is: How do I set up both routers so that I can access services and computers from each network from the other network. Should I set them with different subnets and set the gateway on the wireless network to the main router? To the wireless router card? Should I put them on the same subnet? Will it know how to communicate?
Here is a link to (picture) my network diagram. Network Diagram
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Mar 26, 2009
These r IP provided by my ISP that i've put on Fedora 8:
WAN IP:xxx.xxx.xxx.17 (eth0)
Subnet:255.255.255.252
Gateway:xxx.xxx.xxx.18
Valid static(public) IP set of 2:
IP:xxx.xxx.xxx.147 & 148 (eth1, eth2)
Subnet:255.255.255.240
i want to run xxx.xxx.xxx.147 as a web server & xxx.xxx.xxx.148 as a ftp server. but I'm able to ping only xxx.xxx.xxx.17(WAN IP) from outside world. Can any1 tell me that how can i bring my 147 & 148 IP online without router.
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Oct 30, 2010
I've moved a linuxbox from being my gateway (nat, etc) to behind a new gateway (a DD-wrt router). For transparency purposes, I'd like to continue using the old box services, and just have the gateway in front of it.
Here's what I did:
The newgateway is setup for class C, 192.168.0.0
This configuration works, but sometimes it doesn't and I haven't figured out why yet.
At sometimes, clients on the LAN get throughput rates with very little speed loss (using speakeasy speed test). They will run at 33M on the LAN, running through both the newgateway, and the oldbox, and get about 35M with directly connected to the cable modem.
Other times, it seems nothing can talk with anyone, and I am not sure why.
I know what I have done is a little unconventional, but it's a transitional thing, and I am not sure it is the cause of the problem, although it was the last things changed.
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Aug 1, 2010
My son lost his USB Wireless stick for his Computer. I had thought I heard that if you had a second wireless router, you could use it somehow to detect the wireless router you have already set up in your home (like using a wireless card)? Is this what Ad-Hoc is? Either way, can this be done and if so how? I use a WRT54Gx2 Lynksys router and have a TRENDNET TEW-432BRP wireless router and also a spare D-link DI-514. I use ubuntu 10.04, and also wanted to know if I connected one of the router to his on the LAn port could he connect msaybe through an Ad-Hoc on my local computer here? He uses XP on his. I'm a newbie to linux and networking in general.
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Nov 27, 2009
I want to configure linux CentOS 5 as a router using iptable, .Im new in linux so I need the steps to do that
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Jun 9, 2010
I moved my server and network equipment, and now the wireless works but I cannot get my server online. I host a website, so this is kind of urgent.
I have a wireless router and can access the internet fine on my laptop. My server is wired & connected to the router. It sets up the networking properly.. ifconfig has an ip address, the default gateway is present. But I cannot ping google, or even the router. It says destination host unreachable.
So I go back to the laptop to check the router settings.. sometimes it likes to assign the server the wrong internal ip. But, I can't access the router settings either! The page (192.168.1.1) times out. Same with trying to ping the router. How can the laptop be online if it can't reach the router?
Oddly, ifconfig on my laptop reports an ip address starting with 99.233. It's always given me an internal address starting with 192.168. What's going on here? Is the router not allocating an internal ip? I use wicd to connect, if it's relevant.
We have a windows laptop that can only get a "local connection". Now it does sound like the router is forwarding directly to my laptop, instead of allocating internal ips.
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Aug 14, 2010
I am thinking of moving the router behind a server and connecting the server directly to the internet via a modem. Are there any security issues related to doing this? or other things I should be aware of. Iptables are implemented on the server blocking access on unused ports.
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Jul 10, 2011
I'm running Ubuntu Server 11.04 with OpenSSH, trying to create an ssh tunnel (for web traffic) to it from my (also Ubuntu) laptop. This is the command I'm using to create the tunnel:
Code: ssh -ND localhost:8080 george@192.168.1.20 I had it all working on a virtual machine.. which was deleted What settings/lines do I need to change/add from the default OpenSSH config files to get tunnelling to work? I've Googled and AllowTcpForwarding is set to yes, as is X11Forwarding.. but it still doesn't work. Chrome can connect to the server, but says the connection was closed before any data was sent.
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Feb 16, 2009
This is my basic setup:
[URL]
I don't know how to get the wireless router to connect to the other wireless router so I can use internet on my computer. How do I achieve this wireless connection?
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Mar 26, 2010
How do I make a router by Linux?In other words you want your Linux to work as a router.
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Apr 15, 2010
I replaced my wired router and networking has gone south on one of my boxes. It's a Dell tower, a few years old, triple boot (ubuntu 8.10, FreeBSD, WindowsXP). Old router used 192.168.254.* via DHCP, new one is 192.168.2.* via DHCP. The router replacement caused no problems for either FreeBSD or WinXP on this box, nor for any of the other boxes on the network (one of which is ubuntu 9.10).
Ubuntu 8.10 simply will not connect to the new router. I'm presuming that something somewhere down deep has been compromised and I just don't know where to start looking or what buttons to push to reconfigure correctly. Router status displays show an IP address of 192.168.2.35 for this box, booted under all three operating systems. Using network-manager to force that static address instead of relying on DHCP does not seem to help.
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Sep 7, 2009
I was tryin to deploy svn on centos 5 with respect to [URL] I am stuck understandin the location svnpath parameter on svn config
[Code]...
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Apr 9, 2011
I am running a server with a GRSecurity patched Kernel 2.6.32.36. I've tried to optimize the kernel as much as I can and know it (removing options, not needed drivers and so on) and compiled the modules into the kernel (no loadable modules anymore). I've started with Slackware 13.0 and the default config for 2.6.29.6-huge. Still I am not sure what to remove/optimize further now.
My question: Is there a way to boot with a kernel with loadable modules, check which modules are really needed for this hardware, (do something like lsmod) and save the running configuration modules for a next kernel compile to be the default .config instead of writing them down by hand and search for the appropriate names in .config or during menuconfig? (Note: zcat /proc/config.gz > .config is NOT the way I want, as it gives me just the current kernel config)
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Jan 4, 2010
I have a jaunty installation which is working fine, and I'm gradually getting a dual boot of karmic (desktop amd64) up to speed to take over from it. I've got a fairly standard ADSL modem/switch/router connected by wires to the machine as eth0.I setup local static IP etc. during installation (no DHCP at all) and it worked fine for quite a while. Then, after an upgrade one day, DNS broke on reboot.After booting now, /etc/resolv.conf is essentially empty (just comments) but the networking service is up. I can ping places out on the web.If I "/etc/init.d/networking restart" then /etc/resolv.conf gets the correct "nameserver" and "search" lines added to it and everything is fine... until next boot.I never really worked out exactly how Ubuntu controls its networking config, and I'm further confused by the changes to the booting setup in Karmic
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Mar 10, 2011
I have just installed dyndns in my local ubuntu server runing on apache...I dont have static Ip's so I have to use ipv6 ip's how can I configure dyndns to run with ipv6 ?
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Mar 8, 2011
I have installed Debian6 on Vbox , i have 2 nic on VM and i configured one of them during installation , but how can i configur 2nd nic ?
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May 7, 2011
I currently can run an old swf on my Chumby 8 device by storing and using these three files on a USB plugged into the device
config
<?xml version="1.0" encoding="utf-8" ?>
- <config>
[code]...
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Jan 6, 2010
I've read through 99% of the other "kismet config" help threads, and can't find with this.lshw -C network output
Code:
*-network
description: Wireless interface
[code]....
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Apr 30, 2010
I had put in a broadcom 4318 (airforce) card and it showed up in network tools as wlan6 with multicast disabled, inactive, and etc. the bf cutter tool also showed up in hardware drivers.
However, after trying to get the card functional - it no longer shows up in network tools nor is bf cutter in the hardware section.
I tried installing broadcom's proprietary driver among some other solutions. I'm running karmic 9.10.
How to start with a clean slate and get my wlan6 to appear again, so I can install this proprietary driver or use driverloader?
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May 16, 2010
I am using Witopia VPN services and used to work just fine on my Ubuntu 10.04. All of the sudden it stopped working. Here is the log:
Code:
May 17 00:56:58 saeed-laptop NetworkManager: <info> Starting VPN service 'org.freedesktop.NetworkManager.openvpn'...
May 17 00:56:58 saeed-laptop NetworkManager: <info> VPN service 'org.freedesktop.NetworkManager.openvpn' started (org.freedesktop.NetworkManager.openvpn), PID 11477
May 17 00:56:58 saeed-laptop NetworkManager: <info> VPN service 'org.freedesktop.NetworkManager.openvpn' just appeared, activating connections
May 17 00:56:58 saeed-laptop NetworkManager: <info> VPN plugin state changed: 1
May 17 00:56:58 saeed-laptop NetworkManager: <info> VPN plugin state changed: 3
May 17 00:56:58 saeed-laptop NetworkManager: <info> VPN connection 'VPN Connection' (Connect) reply received.
May 17 00:56:58 saeed-laptop nm-openvpn[11482]: OpenVPN 2.1.0 i486-pc-linux-gnu [SSL] [LZO2] [EPOLL] [PKCS11] [MH] [PF_INET6] [eurephia] built on Jan 26 2010
May 17 00:56:58 saeed-laptop nm-openvpn[11482]: WARNING: No server certificate verification method has been enabled. See [URL] for more info.
May 17 00:56:58 saeed-laptop nm-openvpn[11482]: NOTE: the current --script-security setting may allow this configuration to call user-defined scripts
May 17 00:56:58 saeed-laptop nm-openvpn[11482]: WARNING: file '/home/saeed/Documents/config/VPN_Connection.key' is group or others accessible
May 17 00:56:58 saeed-laptop nm-openvpn[11482]: /usr/bin/openssl-vulnkey -q -b 1024 -m <modulus omitted>
May 17 00:56:58 saeed-laptop nm-openvpn[11482]: LZO compression initialized
May 17 00:56:59 saeed-laptop nm-openvpn[11482]: RESOLVE: NOTE: (address omitted) resolves to 12 addresses, choosing one by random
May 17 00:56:59 saeed-laptop nm-openvpn[11482]: UDPv4 link local: [undef]
May 17 00:56:59 saeed-laptop nm-openvpn[11482]: UDPv4 link remote: [AF_INET]IP address omitted
May 17 00:57:39 saeed-laptop NetworkManager: <info> VPN connection 'VPN Connection' (IP Config Get) timeout exceeded.
May 17 00:57:39 saeed-laptop nm-openvpn[11482]: SIGTERM[hard,] received, process exiting
May 17 00:57:39 saeed-laptop NetworkManager: <info> Policy set 'Auto Belkin' (wlan0) as default for routing and DNS.
May 17 00:57:51 saeed-laptop NetworkManager: <debug> [1274043471.002409] ensure_killed(): waiting for vpn service pid 11477 to exit
May 17 00:57:51 saeed-laptop NetworkManager: <debug> [1274043471.002596] ensure_killed(): vpn service pid 11477 cleaned up
I removed IP addresses. I think its a recent update might have created this issue. I tried re-installing openvpn and network-manager-openvpn.
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Jul 1, 2010
I'm trying to configure internet access using KDE network manager. Added new VPN connection, set gateway and other options but connection breaks. Here is /var/log/daemon.log
Code:
Jul 1 17:35:22 dvinokurov-desktop NetworkManager: <info> Starting VPN service 'org.freedesktop.NetworkManager.pptp'...
Jul 1 17:35:22 dvinokurov-desktop NetworkManager: <info> VPN service 'org.freedesktop.NetworkManager.pptp' started (org.freedesktop.NetworkManager.pptp), PID 1761
Jul 1 17:35:22 dvinokurov-desktop NetworkManager: <info> VPN service 'org.freedesktop.NetworkManager.pptp' just appeared, activating connections .....
log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 12 'Call-Clear-Request'
Jul 1 17:36:02 dvinokurov-desktop pptp[1773]: nm-pptp-service-1761 log[call_callback:pptp_callmgr.c:79]: Closing connection (call state)
As I understand the main problem is in "(IP Config Get) timeout exceeded".
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Oct 6, 2010
I recently purchased a Netgear WG111v2 802.11g wireless usb adapter for use with an ARM embedded device (loaded with the ARM port of ubuntu). It uses the rtl8187 driver and, when attached to my laptop, connects perfectly through NetworkManager. Unfortunately, I am not working with any ui on my embedded device so I won't have that luxury and must connect via the terminal. Unfortunately, I'm not able to connect this way on either my laptop or the embedded device (they both CAN pick up surrounding AP's through iwlist scan though). I'm able to set the ssid through
Code: sudo iwlist wlan0 essid "woot" and my access point is temporarily open (no wep/wpa). When I bring the device up using
Code: sudo ifconfig wlan0 up the light on the adapter starts blinking but I'm still not able to connect. iwconfig wlan0 outputs:
[Code]...
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