Ubuntu Servers :: Tunnel To Remote NFS Server?
Jan 11, 2011
Does anyone know the best and simplest way to do this? I'd like the share to be mounted over the tunnel on boot with as little scripting as possible and be as secure as possible without exposing more than one port to the outside. I will be trying this method: [URL]... once the tunnel is established and 'always on' NFS would take care of the file system mount obviously. Lots of the information I have been reading is not up to date it seems. Does anyone have any experience with this?
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Sep 1, 2011
When I view a work computer Remote Desktop settings it states that connections are only available to other computers on the LAN.This gives me a terminal window on the work pc2.Is there any way I can start a Remote Desktop session on pc2 through the ssh port forwarded session?
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May 10, 2010
i found this video, and i really want to do the same. *newbie needs to learn [URL]...my question is, what need to be installed and how?
is there any specific configuration to make it works?
and will it work if i want to connect from Ubuntu to Fedora ?
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Aug 1, 2011
I have succeeded in using Remote Desktop Viewer to make a VNC connection to a remote WAN computer and it was quick enough to manipulate the remote computer in real time.I found the host name by getting the remote target computer to put the following url into a browser - http://www.showmyip.com/ - It returned the address for the router which I put into the Host: text entry box in the Remote Desktop Viewer window. E.g. for my computer at the time of submitting my enquiry the address was 'host81-129-54-226.range81-129.btcentralplus.com'.The remote router that I connected to needed to have the port 5900 forwarded to the remote target computer.I now want to progress to running VNC through a SSH tunnel for additional security. In the Remote Desktop Viewer there is a configuration line
'use host' <text box to enter host name> 'as a SSH tunnel'.What is the correct syntax to enter in the text box? It would help my understanding if you used the example address above as a basis for a response.Many unexpected connection attempts reported on my router, if that was you, thank you for the novel way in responding to the question and providing the syntax.The 'bible' on syntax appears to be found here:- http://unixhelp.ed.ac.uk/CGI/man-cgi?ssh+1
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Jan 12, 2010
I am having some trouble setting up a cron job that creates a tunnel to my remote machine to work correctly on Ubuntu 9.10. The setup looks like the following:
(1) myscript.sh (executable)
Code:
#!/bin/bash
ssh -2 -x -i /home/user/.ssh/id_rsa.prv -L 3128:myremotemachine:3128 myaccount@myremotemachine
(2) crontab -e, added the following lines:
[Code]...
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Jul 6, 2010
I support a small business which runs a headless Ubuntu Server (10.04 32bit) as a file server which is accessed by Windows machines.Although the company has it's own back-up procedure they have decided to back-up some (none sensitive) files online. The have chosen FileFactory (http://www.filefactory.com/) as the host for this. FileFactory allows files to be uploaded to their server by FTP however I do not know how to set this up on the server.
The idea, if it is possible, is to connect to FileFactory through FTP and then synchronise the data using an Rsync command.I normally access the server through Webmin and it has vsFTP installed. I can access the company's server by FTP from inside and outside of the network so I know that vsFTP is working for incomming connections however I cannot work out how to configure it to connect to the FileFactory server.
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Jan 5, 2010
I have a compressed backup that I want to crypt and upload to a remote server through ssh once in a while. The problem is with the size, more than 4 GB. If the connection drops how does scp know to resume? This should be an automated process.
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Mar 21, 2010
I am running a local webserver mainly for development. I have everything set up. The issue I currently have is that I cannot shut down the machine from the command line. I can issue the command but the machine remains on. I also cannot get to the desktop via VNC.The reason for this, is that there is no monitor attached so Ubuntu says that it is trying to run in Low Graphics Mode. I found this out as I plugged the monitor in to my server.So question is, how do I get around this? How can I set up Ubuntu to get past this, or do I need to install Ubuntu Server?
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Sep 28, 2010
I am looking for a client/server application that can allow me to have remote GUI access (eg: VNC) but with the ability to use sound.
I see that TeamViewer has a linux application out now but for my company, it would compromise security protocol because it reaches out to the TeamViewer servers to do any work.
Basically, we have applications that require a GUI and we need to hear sounds from them if they throw an alert (the app is a monitoring tool).
We are running a VNC server on it currently and when our monitoring machine was on Windows, TightVNC was able to get the sound...that is not the case with any Linux client so I am wondering if there is actually one that exists.
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Aug 14, 2010
I am having trouble to make my SSH server working with remote machine.
Code:
telnet 192.168.1.102 22
PHP Code:
[Code].....
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Dec 20, 2010
Is possible to backup disk(whole) on remote server which is mounted? If yes how,
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Feb 15, 2011
I already have an ubuntu backup server in my location and need this one server to be backed up remotely in another state. this other location is a helpdesk so there's a danger that they can gain access to confidential data. I'll be setting up this new server as an ftp server but need to set the ftp folder to only allow access to the backup server and me. Because its remote on the helpdesk side, they'll need some access to the file system but need to be completely blocked off from the ftp folder where all the data is at. How can I make sure I can keep them away from my data and still be able to retrieve or copy files over without permission issues between both servers?
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Mar 1, 2011
I discovered in running a script on a remote server. Take this little demonstration script:
[Code]...
This runs as expected (it does nothing) on both my local desktop and the remote server. However if I log in via ssh to the remote server and run this script everything on the server freezes. I do mean everything ftp/ssh/nfs/login-requests/... even if I go and physically plug in monitor and keyboard there is no response. It basically needs a full restart to clear. I have repeated this several times. Now something is clearly wrong here but does anyone know what. I didn't think a non-admin user should be able to actually lock up system processes.
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Jun 7, 2011
I have limited access to several servers (key based auth) but cron facility is not available for me. Those servers getting filled up by large apache logs and I have to login to each node manually and clean them each and every day.
I tried to write a script to run from login box but when i try that it looks like it is looking for logs in the local server (login box).
So current situation is:
How can i modify this so that the script in server1 will look for files in that server and zip them?
Google showed another command called rsh but in my env it is also not avil.
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Jan 12, 2010
Hi, I have a server at my home which is a Ubuntu 9.1 which is setup as a NFS server using NFS v3. I am also using DYN DNS to access my home server remotely from another location using SSH. Everything works good, I can sucessfully log in to my server from my laptop via SSH, however my problem mounting my NFS share which consists of appx. 300 mp3 files. My question is:
1 How Do I Tunnel a NFS share through a SSH tunnel?
2 Is there any other configuration? needed to be done to the router?
3 is there anything needed to be configured to the server or my laptop?
4 Manual mounts is fine for me I don't care about automounting.
I just want to be able to mount the NFS share via the SSH Tunnel and play my music and access other files from my server.I just need the steps to set up this connection.
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Aug 9, 2010
I know this has probably been solved multiple times, but I've searched the forum to no avail. I have a PPTP server setup properly with all ports forwarded correctly. A remote machine can connect and authenticate just fine. They get their IP assigned and everything.
The problem is that no traffic is being routed through the tunnel. Or, rather it is but the server doesn't seem to handle it. In a web browser I just get an error message. On a windows client I ran ipconfig and found a gateway address had not been assigned through the VPN tunnel. Could this be the problem? If so, how can I fix it?
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Feb 21, 2010
I am playing around with the idea of being able to use a cloud or instance based service to install Ubuntu 9.10 Server. This will enable me to have remote access via SSH command line.So far, I've installed Ubuntu 9.10 Server + Ubuntu Desktop to a virtual machine. I can access this via SSH and locally via the desktop. However, in the real environment the only access I am going to have initially is via SSH.
I would like to be able to connect using Windows Remote Desktop or VNC (whichever is easier and most importantly - most secure) to the machine.. even though the desktop is on there, I need to somehow configure the remote access all from the command line.I've had a read of various forums and have been trawling support forums for days but can't find a working solution for 9.10 Server or that fits my situation above where I will not have any physical access to the desktop or machine to configure remote desktop. It all has to be done via SSH/command line.
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Jun 30, 2010
I was trying to install PEAR on a remote Ubuntu server using putty. I ran an apt-get install php-pear command and everything went smoothly, but now i cannot access the website as it says 'can't establish a connection to the server' and in firebug, it shows the status 'aborted'. I even tried adding the pear path in php.ini file and restarting the apache server but no luck.
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Sep 22, 2010
I have a fast computer in my office and I want the person using the slow computer in the same office to boot up and see the login window (gdm) and log-in from there into the fast computer and be able to use their session on the fast computer the same time I am locally logged in to the fast computer as a different user and session.Is this best done through XDMCP? Where is a good tutorial on how to set this up?
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Jan 23, 2011
I have an ubuntu fileserver and an ubuntu laptop both running 10.10.For some reason I can't connect to the server (file or remote terminal) from the laptop, even though I can access ssh through terminal on my mac and have been able to mount the filesystem on another computer running the ubuntu liveCD. I just get the error 'no route to host'.I've tried turning off the firewall on the laptop and re-installing ssh on both computers, but I don't have a clue what to do next!
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Jul 21, 2011
I have an Ubuntu 11.04 instance running on Amazon EC2. I am currently using it as an SSH tunnel/SOCKS proxy. Most of my Net activity is on a Windows 7 machine running PuTTY. This setup is working very well. So well that a few of my friends have expressed interest in accessing it. Question is, how do I share this proxy, without giving away my private key and root access? I would like to limit users to only being able to set up an SSH tunnel/SOCKS proxy, with no shell access. What other security measures would you recommend for such a setup? I googled a bit and saw references to rbash and chroot. I have already changed the SSH port, and set the EC2 firewall to allow inbound SSH only from my ISP's address range. My friends use the same ISP. They would probably be running Windows 7/Vista, and PuTTY too.
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May 5, 2011
I have a problem with my Terminal Server Client, I cannot seem to connect to any windows server via IP address. Can anyone please recommend any tool I could use to connect? I need to work on the server for admin interfaces example Admin Kits for workspace protection
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May 4, 2010
I have a Godaddy UCC (Multiple domain) certificate for the following domains:
example.com
upload1-example.com
upload2-example.com
The rsa was generated from example.com server using example.com as CN Common name.
GoDaddy's website adds the extra names to a CSR you provide, does the checks and grants the cert.
My problem is that whilst the certificate works fine on the server example.com (from which the csr was created), it comes up with two errors when restarting apache on remote servers.
1>> Certificate common name does not match server name
2>> SSL Library error - check private key:key missmatch.
I donn't understand how these keys could ever work as no reference to the private keys of the remote servers is ever used in creating the UCC certificate.
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Feb 3, 2011
I have an Ubuntu VPS running 10.10 x86_64
This is what is in my /etc/network/interfaces right now.
Code:
auto eth0
iface eth0 inet static
address 67.202.x.x
gateway 67.202.x.1
netmask 255.255.255.0
auto lo
iface lo inet loopback
My server.conf
code....
I can get the VPN server running and everything connects fine from the client. I just don't know how to tunnel all the traffic through the VPS because it involves making the bridge which I'm having trouble with. What exactly am I supposed to put in /etc/network/interfaces?
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Feb 18, 2009
I am able to telnet to the server via a remote connection, but for some reason, it will not accept mail. ere is the bounce back email I am getting.Quote:This is the mail system at host smtp.mydomain.net.I'm sorry to have to inform you that your message could notbe delivered to one or more recipients. It's attached below.For further assistance, please send mail to postmaster.If you do so, please include this problem report. You candelete your own text from the attached returned message.The mail system
<root@mydomain.net>: temporary failure. Command output: pipe: fatal: pipe_command:
execvp /usr/bin/perlbin/vendor/spamc: No such file or directory
Reporting-MTA: dns; smtp.mydomain.net
[code]....
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Mar 1, 2010
I'm using Postgresql 8.4.2-2. I'm trying to remote into my server securely. I figure I could do so with ssh. Apparently I figured correctly, as per, [URL] and [URL] I setup the ssh tunnel. ssh -L 5432:serverip:5432 Then I setup pgadmin3 to connect as follows:
host: localhost
port: 5432
user: postgres
maintenance db: postgres
And I receive the following error:
An error has occurred: Quote: An error has occurred: Error connecting to the server: server closed the connection unexpectedly This probably means the server terminated abnormally before or while processing the request.
I'm not sure what the problem is. I can connect with Code: psql from the cli after connecting to the terminal via ssh. So I know that I'm using the correct password.
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Jul 19, 2011
I use two Ubuntu machines, one at home and one at work. In order to connect to the machine at work from home I need to connect through a "tunnel server" that controls all the traffic to the machines at work.I am able to connect with ssh to the tunnel server and from the tunnel server ssh my own machine at work. My question is how do I retrieve files form my work machine to the home machine. How do I sync folders between the machines using rsync when the "tunnel server" is in between?
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Jul 7, 2010
I'm working remotely at the minute, but have several 'incoming' automatic reverse shells connecting to a dedicated server. This dedicated server does not have X, but several of the 'incoming' shell servers do. Basically, take three machines, laptop, server, client. Laptop and client have X, server does not. All three machines have password-less logins to each other (laptop > server, server > client) and can password-lessly establish a shell.
I've tried ssh -X user@server "ssh -X user@client gui-application" and, no suprise, I'm getting 'Cannot open Display" messages. Does anyone know I nice one-liner for this kind of tunnelling?
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Jan 15, 2010
I'm trying to tunnel and SSH connection through another server.for the tunnel is ran:ssh -L 8112:yy.yy.yy.yy:22 -N user@xx.xx.xx.xxBut when I try to ssh to localhost -p8112 I get an immediate error saying "exited: remote closed the connection
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Apr 5, 2010
I am building up a site-to-site OpenVPN tunnel between two locations. I am setting this up in two CentOS 5.4 boxes each containing two NIC's. I can get the tunnel up and running, and I can ping across the tunnel, however, from the client end of the tunnel I can not ping anything behind the server end of the tunnel. In other words, I can't ping anything on the server's LAN. On both servers, eth0 is the WAN side and eth1 is the LAN side.
OpenVPN server:
eth1 - 10.10.202.2/24
OpenVPN client-server:
eth1 - 192.168.204.1/24
I have IP forwarding enabled in the kernel on both machines.
Code:
[root@vpn01 openvpn]# cat /proc/sys/net/ipv4/ip_forward
[Code]...
I'm sure that the answer is right in front of me, but I can't seem to get it cleared up. I can't hit anything on the 192.168.1.0/24, 192.168.2.0/24, 10.10.4.0 or 10.10.202.0 networks from the client server.
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