Ubuntu :: SSH Tunnelling Does Not Work With Putty But Works With Standard Ssh
Jan 3, 2011
Today I tried using PuTTY to set up a socks proxy on my local machine, a procedure I used to do when I was not using Ubuntu which used to work flawlessly and out of the box... however, apparently putty is not able to set up a port on my PC, but if I use ssh -Dport, everything works smoothly. Again, this used to work out of the box on other distros... any hints?
P.S.: This is the third problem I'm having with standard operations in Ubuntu: pinentry-qt4 does not work, the scanner needs manual setting to permissions, now this... isn't this distribution supposed to be user friendly? I'm resorting to the terminal more than I ever did.
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Apr 27, 2010
So when I try to connect to my ubuntu server with ssh like thisX@dell-desktop:~$ ssh servername -P 1934X@servername's password: Permission denied, please try again.but when I use putty (yes with the same port number and the same settings)it works fine. This didn't start happening until my friend did a reinstall on the server, he didn't have a clue as to why it would do this.
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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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May 15, 2010
I am trying to setup a putty session to putty from one Ubuntu machine to another. I know how to setup to connect to the machine from Windows and I am using the same settings for the one I am trying on the Ubuntu machine but it fails to connect. It fails immediately so I believe that putty is not able to find ssh. Is there some configuring that I need to do.
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Jan 18, 2011
I am using putty in my windows machine to access my Linux server terminal.
Code:
Putty works fine if I disable my Linux IPTABLES. My Windows machine IP is 192.168.1.249
Linux server IP address is 192.168.1.200 I don't know how to allow it through IPTABLES.The port which putty is using is 22.
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Apr 14, 2010
I am downloading a big file on linux VPS, and I am connecting remotely via Putty to do it? Once I initiated the wget command to download the file, if I close the putty window, will wget continue to download the file in the background even though the session is technically closed?
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Feb 7, 2010
I started another thread on this (URl...), but the topic was not specific to what I now know the problem to be. So Ive started a more appropriately titled thread.In my local network I SSH (via Putty) to my Ubuntu 9.1 server and the tunnel a VNC connection through to it. No problems at all. I forward port 5900 through SSH to do this. My local servers have port 5900 blocked, so I know it is tunnelling correctly without trying to access port 5900. I cannot VNC directly to port 5900, as I would expect. Everything works just as expected.
When I SSH external to my router a I use a virtual server connection through port 22. This works just fine.I then start a VNC session, in the exact same way as I do localy, tunnelled through port 5900. Specifically I tunnel port 5900 to my.router.public.ip port 5900. However when I start up VNC it times out. The reason is that my firewall blocks a request to my routers public IP address from port 5900 on the server running SSH as follows :I have tried this both with the Ubuntu built in desktop and with x11vnc. Both give identical results. When I start x11vnc I tell it to listen on port 5900. This, as explained above, wokrs just fine in my internal network and does NOT put out any requests on port 5900.
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Apr 11, 2011
I'm trying to access a remote computer by tunnelling VNC through ssh. I've used VNC for years, but never through ssh. Both computers are running Fedora 14, installed by me. Doing a general Internet search, I found three articles, and they all had basically the same instructions. However, they don't seem to work. Here's what I did. Call my local computer "computer A," and the remote computer "computer B." I installed vncserver on B using yum:
(1) yum install tigervnc-server
(2) Then on B I started the server:
vncserver The first time you do this, you're asked to set up a password. Everything else was automatic. I did nothing to /etc/sysconfig/vncservers.
(3) With vncserver running on B, on A I issued the following command:
ssh -L 5901:localhost:5901 username-on-B@IP-address-for-B After giving the password, this logged me into a terminal session on B.
(4) At that prompt on B, I issued this command:
vncviewer localhost:1 According to the tutorials I found, this is the last step. The desktop window on B should open. It does not work. The following error was given: vncviewer: unable to open display "" What am I doing wrong? How does one tunnel VNC through ssh?
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Sep 30, 2010
I've been searching for a while in forums about the issue I'm facing but couldn't find anything clear, or at least my net search skills are pretty lame. I'm facing a problem with prompted user password in a SSH chain connection when using authorized_keys.
I have: (1) Client - (2) Server - (3) Testing machine (testing machine is connect to Server via usb network)I've created keys for Client and Server, and updated authorized_keys in host machines with the key values: Testing machine has Server public key, and Server has Client public key.Until now everything is fine, if I try to connect via ssh the user password prompt is not shown since public key is found in authorized_keys.
For example: from Client: Code: ssh server Works fine, no password prompt.from Server: Code: ssh testing_machine Works fine, no password prompt.But if try to do that from Client only: from Client: Code: client:$ ssh server Works fine, no password prompt.from Client: Code: server:$ ssh testing_machine Asks for password.Bellow the verbose output from previous ssh command:
Code: ssh -v root(at)192.168.100.2
OpenSSH_5.3p1 Debian-3ubuntu4, OpenSSL 0.9.8k 25 Mar 2009
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug1: Connecting to 192.168.100.2 [192.168.100.2] port 22.
[Code].....
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Aug 25, 2011
I am trying to configure my IPv6 network. My computers are behind a Fedora gateway IPv6-configured, which is working great. But for computers inside my network, it seems I am getting only internal addresses from DHCP. Here is my ifconfig for an internal computer:
Quote: em1 Link encap:Ethernet HWaddr F4:6D:04:34:92:2B inet addr:192.168.0.184 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::f66d:4ff:fe34:922b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:744250 errors:0 dropped:0 overruns:0 frame:0 TX packets:548987 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:841392242 (802.4 MiB) TX ytes:60384500 (57.5 MiB) Interrupt:18 Memory:f7100000-f7120000
he-ipv6 Link encap:IPv6-in-IPv4 inet6 addr: 2001:470:1c:611::3/64 Scope:Global inet6 addr: fe80::cea7:b778/128 Scope:Link UP POINTOPOINT RUNNING NOARP MTU:1480 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:61 dropped:0 overruns:0 carrier:61 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
[Code]....
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Jan 19, 2010
I have been using Eclipse to program in Java for a long time, and have been using Jigloo for most of my GUI design. Recently I decided to try out the C/C++ plugin. I tried installing it, but it did not work. After many attempts, I finally gave up. However, after uninstalling it I found that Jigloo had stopped working. Any other plugins I try to install now also don't work. I have tried uninstalling and reinstalling plugins, and reinstalling eclipse, but nothing I have done fixes it. Although eclipse says that the software has been installed, nothing shows up in the features list or the plugins list.
Another problem: When I install eclipse from the repositories, it doesn't install a bunch of libraries and eclipse cannot recognize standard java files.
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Sep 11, 2010
I've been using curl in a script of mine for a while on Ubuntu 9.10, without problems.
Ubuntu 9.10 got the following curl installed through apt-get:
ii curl 7.19.5-1ubuntu2 Get a file from an HTTP, HTTPS or FTP server
[code]....
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Jan 10, 2010
I have recently bought a new laptop for this purpose. It is a Toshiba L555D-103. It was pre installed with Windows 7 (64 bit). I have now installed Ubuntu 9.10 (32 bit). It works perfectly when wired. But it does not when I try it wireless. It did work wirelessly with Windows 7, and I have many more both stationary and laptops working through the router, so I do not think the router is the problem.I am guessing that there are no drivers for the wireless to function, but I am not sure. I am guessing that there are no drivers for the Ethernet card ?
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Jan 16, 2010
my network was a dream to set up under ubuntu 9.10. all i had to do was enter pass key, then that was it. Works brilliantly.
Different matter with studio. The thing I notice in network connections is, it doesn't want to retain my pass phrase, if I go back into properties the phrase is blank. As far as I can tell the wireless card has been reconcognized and is communicating with router.
My system is: asus p5ql-vm epu, intel core2 duo 2.8 e7400, 4gb 1067 ddr2 ram, belkin f5d7050 v4000, edimax router.
Here is the info requested in the sticky:
kevin@ubuntu:~$ lsusb
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 003: ID 045e:00dd Microsoft Corp.
Bus 008 Device 002: ID 046d:c501 Logitech, Inc. Cordless Mouse Receiver
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
code....
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Mar 17, 2010
I am using Ubuntu 9.10. My sound works fine unless I have headphones plugged in. I've tried 2 sets of headphones, and it doesn't work with either set, so it's not the headphones. The volume is not muted (it's at 100%) for the headphones either in alsamixer. How can I diagnose and fix this?
lspci -v
01:00.1 Audio device: ATI Technologies Inc RV630/M76 audio device [Radeon HD 2600 Series]
Subsystem: Gateway 2000 Device 0562
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at f3010000 (32-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: HDA Intel
[Code]...
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Mar 18, 2010
I've got 9.04 and 9.10 both installed on the same machine. The /home directory is on a separate partition, so both OSes use the same /home.I can't get Compiz to work at all in 9.10, even though it's been perfectly fine in 9.04. Is there a backport of some sort that i should install?The fixes I've found all point to editing the xorg.conf file, but of course, Karmic doesn't have an xorg.conf file.I've tried reinstalling the Compiz files, reinstalled the open-source video drivers, installed/uninstalled fglrx drivers a few times, rebooted dozens of times.
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Mar 22, 2010
I've recently installed KDE 4.4.1 just to try on a Dell 1545 laptop with Ubuntu 9.10 previously installed.
My problem is that the wireless connection works just perfectly with nm-applet under Gnome, but when I login on KDE and ask KNetworkManager to connect to the same network as before, it can't finish the connection.
When I choose the connection the program asks for my passphrase, I type it and then it just sticks on "activating network" and nothing happens.
My experience with KDE is zero, so I don't even know where to start looking. I'd even tried to kill KNetworkManager and try to replace it with nm-applet, but I think there's a daemon that restarts it immediately.
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May 7, 2010
Ive been having some troubles with wireless. Ethernet works but wirless (at first) doesn't work. However, when i plug the ethernet in, all the wireless networks it detects are populated and i can then connect until i shutdown my computer.My disable internet button on my computer also doesn't seem to work well. It is always blue, and when i press it and have internet connection estabsliehd, it erratically turns from blue to orange to blue and then stays on blue.
When i have shutdown and booted up and i haven't placed ethernet in (so wireless doesn't work) it wont even change color.Any solutions? I dont know what info to include so just let me know and when the wireless does it work, it is slow in opening a new tab and connecting to google.
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May 24, 2010
I recently moved from Ubuntu Desktop to Ubuntu Server. I have a Dell D600 acting as a three prong firewall. I use a Netgear FA120 USB NIC for the third prong. After converting to Server, the NIC detects as Eth1. I'm able to configure an IP, but the NIC never sends or receives packets. The same NIC works great in Ubuntu Desktop. Dmesg never shows the NIC being ready.
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Jun 27, 2010
The gshutdown program works perfectly on my Jaunty computer but will not work at all on my Lucid computer. Why is that ?
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Oct 27, 2010
This web page....the Java works fine...the sound does not work. I am using Ubuntu !0.10...it worked in 10.04 but not now. [url]
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Mar 10, 2011
Works fine when I have the laptop plugged into the mains and will happily switch from 3.5mm to speakers and back again.
But for some reason, when the laptop is on battery I don't get any sound and all, from the 3.5mm or the speakers.
Samsung Q430 laptop
Ubuntu 10.10 x64 (fully up-to-date)
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Jun 12, 2011
Per the HowTo post a Wireless Issue Sticky, I have included the information in the 10 steps below.Here is the description of my problem: I am getting back into Linux after purchasing a new PC (have not owned one personally for several months). I purchased an HP, as I've had personal success with them. It is an HP Pavilion g4 Notebook.When I booted the Live CD, I was pleased that wireless just worked.However, after installing, wireless does not work.The Additional Drivers Tool appears to recognize my wireless card;however, when I attempt to active the driver, I receive an "installation failed" dialog.ere are two screenshots:And here are the results of the file from the second screenshot:
Code:
2011-06-12 11:04:58,837 DEBUG: BroadcomWLHandler enabled(): kmod disabled, bcm43xx: blacklisted, b43: blacklisted, b43legacy: blacklisted
[code].....
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May 20, 2011
When I ping a destination IP address, it responds. However, when I try to telnet or ftp or sftp to the same IP address, it does not connect.
I do not know the physical location of the machine.
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Jul 9, 2011
I am using a acer laptop with ubuntu 10.04
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Feb 8, 2011
Everything works except on Fedora port 110 cannot be opened no matter how hard we try, we run REH (Redhat Linux) on a colocated server, now we run Fedora in a cloud
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Jan 14, 2010
As of now, my internet works fine when connected with an ethernet cable.The problem is it doesnt seem like my wireless is working at all.The led light is orange, (its usually blue when it connects) and I cannot see my home dsl network.Is thereany specific troubleshooting steps I should take?HP dv6000 laptopwireless card: Broadcom Corporation BCM4311 802.11b/g WLAN
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Mar 21, 2009
Yes, another newbie question. Just loaded and updated FC 10. Everything works great with dhcp. Tried to setup static ip to learn more about how to set it up and nothing seems to work. I'm connected to DSL via a router when I ifconfig I get:(basic stuff)inet addr: 192.168.1.7 Bcast: 192.168.1.255 Mask: 255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
I have also tried default gateway 192.168.1.255 and 192.168.1.254.Most of what I have tried above has come from linux websites and faq's.Keeping in mind I am worst than any new newbie you have ever worked with
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Feb 18, 2010
Trying out opensuse with gnome.. why ATI drivers works on kde, and doesn't work on Gnome? Fells like theres no installed drivers at all :/
[URL]
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Mar 17, 2010
I am using Ubuntu 9.10..My sound works fine unless I have headphones plugged in. I've tried 2 sets of headphones, and it doesn't work with either set, so it's not the headphones. The volume is not muted (it's at 100%) for the headphones either in alsamixer. How can I diagnose and fix this?
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