Ubuntu Networking :: Unable To Connect To Specific OpenSSH Daemon / Enable This?
May 19, 2011
I have this very weird problem: I'm not able to SSH to 1 specific server on the web. I can access everything, but not that specific server.
When I try to SSH, I get this code...
When I reboot to Windows, I can SSH using Cygwin. I'm using Ubuntu 10.04 Lucid and OpenSSH client 1:5.3p1-3ubuntu6.
I tried sniffing the network with Wireshark, but I cannot understand why the TCP connection cannot be set up. I'm sure it's an Ubuntu problem as I'm able to connect to that server on the same machine, but different OS.
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Sep 10, 2010
I'm trying to establish a connection to my ISP which uses PPTP protocol and a VPN server. The deivce I got from my ISP is a modem, not a router. The problem is my computer is unable to communicate with the ISP VPN server.
P.S Here are the instructions for Windows XP which work: http://portal.bnet.hr/ZG/windows-xp.htm
Here's what I have done so far code...
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Sep 24, 2010
I have dual boot system and on windows I am able to connect to wireless but on Ubuntu I am not able to connect to wireless.
I desire to learn to trouble shoot the problem my self hence I would appreciate if some one guides me How to look for the problem.
and how to find what is wrong and right
That is why I am not posting any output here but rather would like to learn to solve the problem by myself
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Nov 16, 2010
I reported recently that I have a problem connecting to a Windows network, and someone suggested upgrading to Ubuntu 10.4 I have done, and still have the problem.
The error message I get is: "Unable to mount location. Failed to retrieve share list from server".
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Mar 22, 2011
I have setup an OpenVPN server on my server box, it had been working perfectly until today. It operates on port 1194 which I am now unable to connect to (tried telnet). I have checked all the firewall rules and they still allow the port and I have also checked to ensure that OpenVPN is still listening to the port, which it's not but I have tried restarting the service and the box which dosent make any difference. The only thing that has changed is that yesterday I installed Openfire, could this have broken something?
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Mar 25, 2010
I am unable to connect to my wireless network. When I click on Network manager it says under wireless "device not managed".
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Jan 11, 2010
I recently installed Ubuntu 9.10 on my Dell Inspiron 1545 64-bit laptop. Before that I used Windows7. In Windows, the internet connection worked perfectly well. But after installing Ubuntu, I am unable to connect to the internet. The network-manager applet finally says that "You are disconnected". When I do the "ifconfig", I got no IP address.
So, I installed Ubuntu 9.04 in the same system. But the problem persists.
I gone through many posts in this forum but nothing was useful.
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Mar 5, 2011
I'm running ubuntu 9.10 on my desktop.Wireless networks appear on the dropdown menu but when I try to connect to my home network the authentication box appears, after typing my password the box disappears and it continues to connect but nothing happens and after a while the authentication box appears again. So.. no internetz connected.
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Feb 10, 2010
I connect to a server on linux(openssh) through ssh. Is there a way such that i can hide my IP on that machine so that the server won't know my username and IP address?
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Mar 27, 2011
Has anyone else since today been unable to connect to msn?
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Oct 8, 2010
I am running Ubuntu Server 10.04.01. When I try to start the MySQL service with
Code:
sudo start mysql
, I get this error:
Code:
start: Unable to connect to system bus: Failed to connect to socket /var/run/dbus/system_bus_socket: No such file or directory
What could I do to fix it?
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Jan 1, 2011
Ubuntu 10.10
AT@T
DSL
Wireless
2WIRE modem
i cannot connect to the web with the above services. Even when it says "connection established" it still would not work. there is always a lock next to the server name.
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Feb 10, 2011
Is there a way to enable a web interface to access openssh-server on my vps incase i'm on a network that does not permit outbound port tcp 22 or any other port of my choosing?
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May 31, 2010
is there a way to enable a web interface to access openssh-server on my vps incase i'm on a network that does not permit outbound port tcp 22 or any other port of my choosing?
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Feb 10, 2010
I recently installed Deluge 1.2.0 from the following PPA:[URL]I using this on two different Linux computers. One is running Linux Mint 8 and the other is running Ubuntu Netbook Remix 9.10. The first time on either computer when I enable WebUI in the Deluge GUI it works fine. However if I ever disable it in plugins section I am subsequently unable to re-enable it (doesn't appear in the side panel again). Rebooting or reinstalling Deluge seems to have no effect.Is this a bug or am I doing something wrong?
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Jan 6, 2011
Most of the time my wireless works very well, connecting lightning-fast on boot with AC power. However here are two problems that I have noticed to-date: 1. Wireless will not connect if I boot on battery power. It won't connect even if I plug in the AC cable and do a reboot. Only solution is to reset the router (unplug power cable, wait, plug power cable). 2. Wireless will not connect after a Suspend, whether battery power or AC. Again, only solution is to reset the router. Another computer, running Windows XP, do not have connection problems (yes, wireless). It is quite strange, maybe some power management settings are interfering with networking? I have both laptop-mode-tools and pm-utils (re-rolled) installed.
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Oct 15, 2010
I have a ZTE 3G USB modem (MF645).
When I plug it, 5 devices appear: /dev/ttyUSB[0-4]. The modem device is /dev/ttyUSB2, and I can successfully connect wvdial on it.
NetworkManager detects the modem, however, it tries to connect to /dev/ttyUSB1 instead, and fails.
How does NM decides which device to connect to?
Is it possible to instruct it to connect to a specific device?
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Apr 30, 2010
I don't know if i should of put this in either Networking or Dell Forum. But here goes. I have a Dell Studio 1535 Laptop, and i have downloaded the new ubuntu 10.04
The problem is, is that i cannot get a internet connection. On my laptop there is a wifi sign that lights up if it works, and it didnt when i booted it. So i thought i have the driver downloaded and i tried to install it and it installed but after it crashes, so that failed. And then i tried via Ethernet and it does not connect when i connect it to the router!. It just says disconnected everytime .
I have tried to reboot, just incase it was a bad boot or something, and i stil get the same. It just will not connect to the internet
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Aug 19, 2011
I have installed kvpnc and loaded my profile using a .pcf file but seems not to be able to connect. the error I get is: error: The required daemon (vpnclient) is not available, connect will be disabled. I tried looking for vpnclient in the repo and over the internet but seems to be unavailable.
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Jan 17, 2010
my wireless just stopped working. the network manager in my panel no longer allows me to enable wireless. the option to enable wireless is there, but it is grayed out and will not let me connect. i reinstalled my wifi driver but it didnt change anything. iwconfig shows that the card is working why is the network manager not?
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Feb 7, 2011
I'm running Ubuntu in VMWare for a side project. I noticed when I boot up, it doesn't let me access anything externally. I have to disable network manager and re-enable it. Once done, I can hit everything fine. I'm using a static IP in network manager.
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Jan 12, 2010
i have problem with my configuration iptables, i have configured for transparent like this,
for masquerade -> iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
for transparent -> iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-ports 3128
how to make a rule if there 1 address i dont want to redirect to port 3128? in other words 1 specific address just run on port 80.
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Jan 17, 2011
I can't connect to the Internet using firefox in F14. bu I have received update notices presumably from the internet in gnome.
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Nov 2, 2010
I am unable to connect to wireless network in ubuntu 10.10.i have noticed that the iwlagn driver isnt been used by anything.
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Apr 6, 2011
I am trying to setup a dhcp server for my internal network. I have two NICs, a modem, and a wireless router. I have my server connected directly to my modem which is providing me with Internet access on eth1 and is working fine. I have dhcp and dns setup on eth0 which is connected to my router. The router shows that it is connected to the Internet but when the router gives a client computer an IP address, the client is unable to connect to the Internet but can connect to the router. I will post my configuration files below with my current configuration.
[Code]....
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Aug 19, 2011
I have a bootable utility toolset that I put together with Fedora 14, one of its primary functions is to map a user designated share via script and access information from it. The command that I used, that functioned perfectly, in Fedora 14 was:
Code:
sudo mount -t cifs -o user=provided.account.name //file-server.mydomain.com/share/images /mnt/source
[code]...
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Jul 26, 2011
I have recently installed 11.04 on my ASUS EEEPC 900 and am having problems with getting the wifi enabled and able to pick up any signal. It has a broadcom device in there and although I have downloaded the patch that should be able to fix it Im unable to install it.
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Jul 27, 2010
I have a Sony TZ270N running Ubuntu 10.04 splendidly. The Sprint Mobile Broadband works great, but it's a bit cumbersome to activate. Specifically, to get it to work I need to:
echo 0 > /sys/devices/platform/sony-laptop/wwanpower
sleep 5
echo 1 > /sys/devices/platform/sony-laptop/wwanpower
Then I wait another five seconds, right-click on the networking icon, choose "Enable mobile broadband", then left-click on the networking icon, and choose "Connect to Sprint Connection". I do this multiple times a day, and it's just a bit of a pain, especially when in a hurry. Accordingly, I'd like to script it so I can do the whole thing with a single command.
I've already put the above echo statements into a script and it works great; is there any way to script the actual start of the PPP session itself -- with the caveat that I'd like the networking icon to accurately reflect the latest state?
(In other words, I don't want to bypass the networking icon and just launch the PPP session in the background -- I want it to show that I'm connected, and still let me manage the connection via the icon after connected.)
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Aug 9, 2010
I am using OpenSuse 11.3 and Network Manager is giving me a headache by not connecting to WEP based wi-fi network.It works in a wi-fi at my office while at my home, it shows / detects the network but keeps asking me over and over.
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Jan 22, 2010
I am using a Linksys WMP11 V27 pci card that supposed to be talking to a Linksys BEFW11S4 wireless router (802.11B) ...I am able to connect directly to internet (ethernet cable hooked to this wireless router) ... but for indepedence I need to go wireless.I defined the configuration using the Network Connections ... also through ndisgtk .. can't seem to get this two to consolidate.On /var/log syslog I see ....
an 22 14:27:10 ubucomputer NetworkManager: <info> Sleeping...
Jan 22 14:27:10 ubucomputer NetworkManager: <info> (wlan0): now unmanaged
Jan 22 14:27:10 ubucomputer NetworkManager: <info> (wlan0): device state change: 2 -> 1
[code]...
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