I'm running Ubuntu 11.04 and I've been unable to access any type of Internet service besides web browsing. When I check on Network Tools, it's always set on Loopback Interface, regardless of whether I've just switched it to Ethernet Interface. I haven't been able to download system updates through Update Manager. I'm not very experienced with Ubuntu.
View 9 RepliesI want to use a static ip address on my wireless network but when I click configure in network tools it keeps telling me The interface does not exist and to Check that it is correctly typed and that it is correctly supported by your system
View 5 Replies View RelatedI own an Ubuntu Server 9.04 on a remote dedicated server. Since a few days (?) the loopback interface is not 'up' on reboot : I only have eth0 (which works fine).Here is my /etc/networking/interfaces (did not change since server initialization):
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
[code]....
I have a client's linux server where someone added a script which sends spam mails from the server's local loopback address (127.0.0.1) all my seniors worked on it and couldn't trace the script on the server this issue was going for a week, now I have an idea to bring down the loopback interface of that particular server(ya, that was not a permanent solution but just had an idea), but my support manager told that it will bring the whole server down(so far as i have learn't loopback address is used only for testing the NIC card's functionality), is that really bring the server down.?. How ever i tried this using a test machine all the connections works fine even after i bring down the loopback interface. As my client's server is a production server i can't test it there without clear knowledge, can any one help me out whether will it bring down the server or will it cause any side effects on it(i know that you guys are experts so i am asking it here)?
View 5 Replies View RelatedI have a problem with my F13 and wired connections on my Acer TravelMate 2410. When I connect the inet cable it doesn't show it as connected. When I type ifconfig, it shows everything as it should. When I tried to bring up eth0 with ifup eth0, it said that the device is not managed by NetworkManager. I tried to restart nm with service network restart, but it gave this error:
Shutting down loopback interface: Error org.freedesktop.NetworkManagerSettings.InvalidConn ection: ifcfg file ;/etc/sysconfig/network-scripts/ifcfg-lo' unknown
The same error came up for eth0 and Wired_connection_1 (the connection I configured from NM )
When I typed nmcli dev list it gave me:
GENERAL.DEVICE: wlan0
GENERAL.TYPE: 802-11-wireless
GENERAL.DRIVER: ath5k
GENERAL.HWADDR: 00:14:A4:4D:B8:FC
GENERAL.STATE: disconnected
CAPABILITIES.CARRIER-DETECT: no
CAPABILITIES.SPEED: unknown
WIFI-PROPERTIES.WEP: yes
WIFI-PROPERTIES.WPA: yes
WIFI-PROPERTIES.WPA2: yes
WIFI-PROPERTIES.TKIP: yes
WIFI-PROPERTIES.CCMP: yes
GENERAL.DEVICE: eth0
GENERAL.TYPE: 802-3-ethernet
GENERAL.DRIVER: 8139too
GENERAL.HWADDR: 00:0a:E4:EB:32:E2
GENERAL.STATE: unavailable
CAPABILITIES.CARRIER-DETECT: yes
CAPABILITIES.SPEED: 10 Mb/s
WIRED-PROPERTIES.CARRIER: off
I'm using Wordpress on Apache localy to keep a diary (it's convenient because of the tags).
When I'm connected to any network (be it wired or wireless) my Apache (and Wordpress, of course) works just fine. But as soon as I go offline, I can't access the web server neither through browser nor by telneting to the 80th port. Pinging localhost works just fine.Here is my ifconfig when offline and when online:Online:
Code:
eth0 Link encap:Ethernet HWaddr 00:24:54:6f:07:aa
UP BROADCAST MULTICAST MTU:1500 Metric:1
[code]...
So I have an Ubuntu server setup but my modem from my ISP only has one ethernet port so I have to run my server behind a router. I have been able to get the sever viewable to everyone outside of my network but when someone is inside my network they have to view the server by the direct IP the web address doesnt work nor does the actual static IP. I believe this is something to do with my router not being able to loopback. It is a belkin N600 DB.
View 7 Replies View RelatedI have configured LVS under RHEL5. I need to configure static route to my VIP. Now, I used the following command to add route but reboot OS will flush the route.
# route add -host 192.168.11.55 dev lo:0
how to add static route for certain network via /etc/sysconfig/network-scripts/route-<device-name>. But I did not found that for host.
I have a ppp0 entry with post-up options like this
mapping ppp0
map none photon-plus motorola
map timeout: 12
[code]...
The following are the output of command "ifconfig -a":
[Code]....
The interface "eth0", which is down, was not displayed, but loopback interface has been displayed. So, how can I make my application display all interfaces, including the interfaces which are down, but excluding the loopback interface?
I did this --> [url]
My computer says the driver is installed and the device is present. All of that went fine. Now I need to connect my card to my house's wireless network. Am I supposed to do that in System-->Administration-->Network Tools? The problem is that whenever I click on network tools, the application looks like it is going to start-up and then quits/crashes/runs away, whatever. Any ideas on what is causing this?
Okay, I tried launching from the terminal, here is what I got:
Code:
I am totally new to Linux and have just installed ubuntu 10.10. After configuring the network interface via dhcp I started getting these messages that come in so frequently I can't configure anything else.
[87.186415] Stack:
Why I am getting this messages and more importantly how do I get rid of them.
The installation is on a VM on Hyper-V.
Been helping a user who recently upgraded to 11.04 as his networking stopped after the upgrade. One thing I noticed was that he could not get ping to work.Then checked my 11.04 machine and it also fails to ping using Network Tools. I know the network is OK as I am using my Ubuntu machine to write this. Ping from the command line is fine so it is only the Network Tools ping test that appears to be broken.
Asked another Ubuntu 11 user to check his machine and he also cannot get ping to work even though his machine appears to be fine. Again this is only using the GUI tool.I know it is not hardware as I can dual boot and in XP everything is fine and I can ping all my systems. Also I am sharing a folder from my Ubuntu and my Mac shares the folder just fine. The Mac can also ping everything except the Ubuntu box. Command line ping works so it is not a basic network problem.So as far as I can tell the Network Tools ping test is not working. Has anyone else seen this or can confirm that it is broke. How do I report this or get it fixed?
today I tried to configure a network route to a host for testing my network interface. Code: route add 192.168.1.15 eth0 As I have to eth interfaces and both interface got their IP from DHCP (192.168.1.11 and 192.168.1.12) and are in the same subnet, I shut the other interface down:
Code: ifconfig eth1 down Then I tried to test the interface by doing a ping to 192.168.1.15.
Problem: When I unplug the cable from eth0 (and eth1 is still plugged) the ping still works. Somehow my linux (it's debian) powers up again eth0 and pings over this port.
How can I stop my linux doing this. I just want to have the route added only on the one interface - not the other. Is it maybe some case of a default-gateway?
How can I install a minimal GUI interface, on a Ubuntu server? And more: Suse has a RUNLEVEL tool, to select application to be launched. What in Ubuntu? I need a GUI interface ONLY to use some useful administration tools, no other application, and need to charge the system as less as possible.
View 4 Replies View RelatedI installed the Elegant Gnome theme/package and I uninstalled it after about a week of use. Even after reverting back to the ambiance theme, or other themes, I've noticed that some elements of the Elegant Gnome theme have remained (e.g. the panel color and icons in Chrome or after right clicking and the system font).Is there a way to restore the Gnome defaults or Ubuntu system defaults so that everything is as it should be?
View 2 Replies View RelatedI have a third party program (tightvnc) which I want to monitor and detect if it loses a connection with a client. I don't care if the client has the program open but isn't doing anything with it, I only want to know if the actual TCP connection is lost.
Since TCP takes forever to die on it's own I was thinking the best way to detect if a connection is lost is by bandwidth the bandwidth on the tcp port allocated to the VNC connection. Are there any tools built in to redhat (RHEL 5.2) which I could use to do this? Since I don't have full control of the operating system I would prefer to use built in tools rather then trying to get a new tool installed.
I'm having all sorts of problems connecting an access point to my computer, but here is one piece that I hope will get me going, if I can get it solved.My computer has two network interfaces, eth0 and eth1. eth1 connects to the cable modem and thence the world, and works fine. eth0 is supposed to connect to the access point over a private network. Here is the output from route with my IP address blotted out:
Code:
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
[code]...
If I have set up 2 network interfaces on a box, if I started sending multicast traffic, it will go out through both interfaces? Or is there a way to control through which interface it will go out?
View 1 Replies View RelatedShowing my ignorance, but why would this work
address 172.16.1.8
netmask 255.255.254.0
network 172.16.1.0
broadcast 172.16.2.255
[Code]....
Notice the 2 in address. Seems to me it doesn't like the network and wants it to be 172.16.0.0, but I am adding to a network already configured this way.
I am trying to get my ethernet adapter list to make some sense. This is what ifconfig spits out
Code:
agarzon@euler:~$ ifconfig
eth3 Link encap:Ethernet HWaddr b8:ac:6f:3b:f4:4f
[code]....
Is there any way in a machine with 2 (or more) network devices to only allow 1 program to use interface1 and force all other programs to use the other?
View 4 Replies View RelatedMy old /etc/network/interfaces isn't working in 9.10. I've used it from 8.04 to 9.04 without issues.
I need to make multiple configuration per interface:
Code:
auto lo
iface lo inet loopback
auto lo:1
[Code].....
If not how can I downgrade the program responsible for reading this file?
running 9.10 server, have SSH access through LAN, but I'd like to move box out of my neighbor's (shared internet & the router's in his place) and into my own space. Would have done so already, but I can't get the wireless working. Details below:lshw -C network gives:
Code:
*-network:0 DISABLED
description: Wireless interface
[code]....
How can I force a Wine application (or Wine itself) to use a specific network interface? I have installed hamachi and am trying to play starcraft over virtual LAN. However, when I run Starcraft with hamachi running, it does not work. I have now determined that hamachi creates a network interface called "ham0". How do I force Wine/Starcraft to use the "ham0" network connection? I have looked into forcebindip but it crashes on wine.
View 1 Replies View RelatedI am a big ubuntu fan (9.04) installed,everything went well, installed my network card(s) & the onboard without no problems/installation disc.I have 2 Network interface(s) that I used on windows xP to 'bridge' my connection, because I only have one slot on my router, and the last slot runs into my computer room and from the PC, I run it to the xbox/ps3.No matter what I do, I cannot get ubuntu to share connection
to my other network interface.
My /etc/hostname is not announced on the local network (not showing up on my Mac nor router) when setting /etc/network/interfaces to:
Code:
iface eth0 inet static
address10.0.0.10
netmask255.255.255.0
gateway10.0.0.1
I have tried bringing the interface up and down, and have also rebooted. If I change it to DHCP it will display, but this does not really help me.
How can I force a Wine application (or Wine itself) to use a specific network interface? I have installed hamachi and am trying to play starcraft over virtual LAN. However, when I run Starcraft with hamachi running, it does not work. I have now determined that hamachi creates a network interface called "ham0". How do I force Wine/Starcraft to use the "ham0" network connection?I have looked into forcebindip but it crashes on wine .
View 5 Replies View RelatedI have two simultaneous active mobile connections through my two mobile phones and USB data cables. Yet I can only send/receive with one connection.Each of the phone modems have a node in /dev, namely ttyACM0 and ttyACM0. So the modems are detected correctly.After setting up two dial-up connections with the two modems I have two ip's. Ifconfig-a confirms this:
ppp0 Link encap:Point-to-Point Protocol
inet addr:10.10.219.60 P-t-P:10.6.6.6 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
[code]....
I would like be able to access packets coming off the network with the hopes of coding a primitive packet sniffer for learning purposes. I would also like to be able to piece together my own packets and send them out on my network. Eventually, I would also like to write a simple firewall so I want the capability to drop packets as well as let them pass. I assume I will have to access the kernel with some system calls to do this, any one have any information or resources that could help me on this project?
View 1 Replies View Related