Networking :: Accessing A Remote Server Using Ssh Or Sftp
Apr 30, 2010
I cannot access a remote server(Ubuntu) using ssh or even using sftp from my ftp client. I've been accessing this server regularly for many months with no problem until now. There is a web server running and that's OK, so no problems there. I asked the owner of the server if he could access using ssh from within his LAN, which he could! So openssl is working from within the LAN, but not ouside of the LAN. I access the remote server by using one of [URL] free domain names. I'm aware that this service requires renewal or activity at least once a month and as far as I know this is up to date and working OK.
Is this a router gateway problem? I suspect that port 22 has been blocked, but what could block this port? It's been working well for so many months. As far as I can tell the owner of the server/LAN has not been tampering with the router, so what could be blocking port22? I'm currently accessing the server using vnc4server.
Another really weird thing is that when I access the terminal on the remote server via vnc4server and I ssh back to the server using one of [URL] free domain names, it works! So as I understand ssh is accessing itself by going out of the LAN and back to itself. This would suggest that port22 on the gateway router is working. But when I try to ssh from a pc outside of the LAN, I just get timed out!
* openssl working from within the LAN but not outside of the LAN.
* sftp not working.
* domain name from dyndns.com working and up to date.
* Web server is working OK.
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Mar 2, 2011
i have made a java web server which works on localhost.but now i want to capable it handling many clients at a time.so clients running on different computer need machine name or IP address of server computer.How can i do this in java?
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Jun 29, 2011
I was installed xming application on windows XP & Windows 7to access Linux server's GUI session and i was able to access it using root account but when ever iam trying to access GUI using normal account it is giving some error.I am testing this since it is a freeware.
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Jul 24, 2010
I would like to experiment a "green" idea of virtual desktop where multiple users are served by a single powerful machine.
I have a server running 24/7. The monitor of this machine is turned off most of the time and the OS is on the login screen.
Other users, in the same local network, use less powerful machines, which could be a thin client or an old Pentium 3 machine. They access their accounts remotely and work with the GUI as if they were sitting in front of the server. Each user sees their own desktop (different themes, screen resolution, etc.). And of course it can happen that several users could log in at the same time.
The usage is modest: mostly web browsing and the usual default applications (office, wine, gimp, etc.). In particular no games or any demanding applications. The users want to use their desktop in graphical mode only.
Question: How do we call this way of using a server? Is it possible with Ubuntu? And how to implement it?
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Jul 24, 2011
As a Windows user, I generated a pair of DSA keys from CoreFTP Lite and sent it to a third party that runs an SFTP server. They told me that a valid DSA key needs to have ssh-dsa at the start and the username@systemname at the end. CoreFTP generated neither the ssh-dsa header nor the username@systemname footer. I tried with WinSCP and it didn't generate them either. Is there a difference between how SFTP works between Windows and Linux? If I put a useraccount@systemname at the end of the text will it work? How would the Linux system validate that my system is called "systemname"? If it can't validate, what is the purpose of adding it?
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Jun 8, 2011
I was looking for:how to access my Linux machine(OpenSuse 11.3) that is being hosted at my hoster company from my home Win Pc, I found TightVNC , but I am confused, should I install it on both systems ( viewer and server) ? .. what about the VirtualBox , can i Access with that tool or it is only for mounting the local Virtual Machines?
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Dec 17, 2010
I would like to transfer files from my PC to my account at a sftp server, and I don't know how to do it.
My PC is running with:
User: User1
Address: 10.0.2.3
My sftp account is:
User: SFTPUser1
Address: sftp-server
I can access the sftp server with the command:
Code:
sftp SFTPUser1@sftp-server
The sftp server doesn't answer to ssh requests.
How can I transfer files to the sftp server?
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Apr 27, 2010
I have FTPS setup on my ubuntu server 9.10 machine using vsftpd, and I want to disable the default SFTP server in openSSH. I didn't even know it was on until I accidentally connected to it. I tried searching the internet, and it seems that all I should have to do is comment out the line:
Code: Subsystem sftp /usr/lib/openssh/sftp-server restart sshd and it shouldn't work anymore.....except it does. Thinking that /etc/init.d/ssh restart may not have worked, I restarted the machine, but I can still connect over sFTP.
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Aug 20, 2009
Loving my new Fedora system and the steady march towards making a MS free house but I have a problem. I need to be able to connect to my company server via VPN and then initiate a terminal server connection. Two clicks on XP but I have no idea what to use now. As soon as I have this down I can remove my XP partition forever as I have everything else I need daily working like a charm.
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Aug 10, 2010
I've seen many posts about setting up VPN's but my doubt goes further. I just need access to the local network of my office from a Windows XP (which of course is outside the LAN). I would like this PC to have access to the whole LAN, but what I really need is it to access to an Ubuntu Server (e.g. 192.168.0.10). The router is a Netgear DG834, which has a built in VPN functionality. So, is it enough if I set it up? Do I need to install any VPN server in Ubuntu? What if I want to access to another computer in the LAN? Where should I start?
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Aug 11, 2010
How do I access a NAS Samba server on my network at home.I tried to add a machine in the pyNeighborhood program. I was able to add the machine and the program displayed the machine and all of the shares on the machine, but I was not able to log on. No place to enter my pass word.
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Apr 10, 2010
I have been using the Centos 5.4 live CD to do volume resizing etc for root volume which can't be readily dismounted. I have also been using it to clone systems. It is a really great tool - even offering the same GUI interface I have come to know and love...One added feature which would be great for me would be to package "nx server" and/or "webmin" with it so it can be used to maintain remote and "headless" servers.
That way - when heavy duty maintenance is required on a remote system - the sysadmin (me) could ask the site owner to boot with the live cd - and do the rest remotely. Also it would make maintenance of headless servers easier.I'm not sure whether the live cd is inherited more or less complete from the upstream provider - or whether it is completely re-packaged at centos. I'm also not sure how technically difficult it is to re-package a live cd with extra services.
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Mar 30, 2011
I just received a 2 tb drive for my server to be. The pc is a P4 3.06 ghz with 4 gb of ram. I have found a number of posts on this forum, as well as on the net in general, about setting up a file/print server at home. What I want to be able to do is to access my server through the internet from my office computer (windows 2000) How can I do that? I have not yet spent much time trying to decide which distro I will use. It seems that a number of them are suitable for this purpose, so I just plan to try several from a live cd and then choose one.
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Aug 21, 2010
I had remote desk running on a machine and I went downstairs the other day, turned it on, and someone was controlling the machine. Of course that's partially my fault since there was -zero- rd password set. However, my question is how did this person figure out my IP and get past the router to the machine? I don't have any forwarding setup. My router admin password is (has always been) strong. I guess my question now is: Is there anyway to restrict rd access to the local network?
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May 22, 2011
I would like to read and write to a folder in an Ubuntu VPS remotely via a Windows Explorer (Windows 7 Ultimate). Considering that my VPS has very little resources (128MB RAM), what program should I use?
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Mar 17, 2011
I run a system that users may log into either remotely or physically. Multiple users may be logged in simultaneously because of the remote access, but only one user can be physically logged in at a time.With the current setup, however, if the physical user inserts a flash drive (which the OS mounts automatically) then the remote users gain access to the removable media.
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Nov 30, 2010
How do you transfer files on a Linux machine with ftp,sftp and scp disabled onto a remote machine
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Apr 13, 2011
i have a vsftpd server running well but i want to make/force all users to use sftp and not just ftp is this possible?
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May 2, 2011
how to configure remote server....and how many maximum user loging remotely
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Sep 7, 2010
I have installed Ubuntu Server (lamp+openssh) on a laptop in order to use it as a testing web server for my projects. After configuring it I've also installed the GUI to make things easier as I'm not very proficient using just the command line.
I'm using the wireless connection on the laptop to communicate with the router and my main desktop (Windows). I've assigned it a static local IP (192.168.1.99) in order to be able to access the sites on my web server from my desktop, and everything works fine.
Now comes my problem: I need to be able to access those local sites from a remote location (outside of my local network) as well. How can I do that?
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Mar 29, 2011
We have installed Ubuntu Server 10.04 LTS for file share (Samba) at our local network.
I want to access my local server (Local IP 192.168.1.200) via internet from remote location. I have already installed SSH on our ubuntu server. I understands that using "Putty" we can access our server. Furhter, our Internet IP is dynamic (which is not an issue for us).
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Jul 9, 2011
I want to get all the directories from a remote server using ftp. I know how to use mget for files, I would like to know if there is a similar way to get the whole directory with the files included obviously.
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Dec 12, 2008
I'm putting a new system in my wife's classroom that I would like to be able to maintain remotely. I won't be able to ssh into the system becuase it is on a highschool network that I have no control over. I have a VPN running at home so I could setup the system to connect to that, but I'm not sure how reliable that is plus I will then probably have to setup two NICs so that the system can also be present on the school network. Seems to add complexity and possible problems.
Are there other options here? I will do the research, I just need a starting place.
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Jul 27, 2009
I install one server in my system(linux 5.0) and accessing that server through the 127.0.0.1 private ip address(lo). While i connect to a remote server for validating registry it gives me the error and unable to connect to remote server. here some of the files i give here in below to know my system network configuration
/etc/hosts
------------
127.0.0.1 localhost.localdomain localhost
::1 localhost6.localdomain6 localhost6
127.0.0.1 cp.softidsolutions.org
[code]....
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Jan 6, 2010
I am trying to set up a remote server on an old desktop that i have and i am running into problems. I have the packet installed but i can not get it to run. When ever I enter /sbin/service sshd start
I get Generating SSH1 RSA host key:[FAILED] and i can not for the life of me figure it out. Running fedora 12
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Jun 16, 2010
I'd like to administrate my parents' computer over the Internet. When I google for a tutorial on what I have to install and configure on my and their PC, I always end up with tutorials on servers and the like or tutorials for a connection between Ubuntu and Windows.
Does anyone know of an easy tutorial for remote desktop when two private, simple (Ubuntu-installed) PCs are involved?
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Dec 8, 2010
I've been trying to set up guake to automatically open 2 programs in two different tabs via ssh on my remote server. I have succeeded in doing this, however whenever the last command is run the terminal tab locks up and I can't enter any input, the only command that works is ctrl+c to kill (in this case) iptraf. I think it might be something to do with how I'm sending my ssh password using echo and pipe. This is my script:
Code:
#! /bin/bash
# script to launch multiple guake windows on Network21 local server
guake --rename-tab=Htop21 --execute-command="ssh -t 192.168.1.137 'htop'" &
sleep 5 &&
guake --new-tab=2 --rename-tab=Iptraf21 --execute-command="ssh -t 192.168.1.137 'echo password | sudo -S iptraf'" &
The first and second commands always work, whilst the last one loads iptraf then the cpu maxes out and i can't enter anything unless I kill the program. I've also tried nload and a couple of others, with the same results.
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Jun 27, 2011
I have Ubuntu 10.4 Server, it's a local intranet server in back of a router in a "standard" home network. As I understand it laptops, PCs and the server are "hidden" from direct contact with the internet by Network Address Translation [NAT]. The router is a Linksys WRT54G all clients are connected to it, and the router itself is connected to a modem provided by the ISP. The server was given a static IP address. To admin the server I connect from a local client with SSH and get a command-line.
Is there a way to admin the server if I am a thousand miles away from this local network? Putting it another way, Is there a way to "tunnel" through to the server, give the user/pw and get a command-line from the internet? What software or hardware is needed?
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Dec 6, 2010
I have Rechat FC4 with CUPS 1.45 and a Dlink DS-802 Print Server.
I have installed CUPS, and pointed it at the DS-802,
but no joy.
Windows already prints to the 802 via a W2k3 server, so that works fine. FC4 with CUPS seems to point at the 802 but print jobs from localhost (just go to the print queue, and there they stay.
Windows continues to function fine, but linux wont send to the 802. Also, if Windows users try to print to the CUPS shared printer, it shows "No Accesss".
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May 8, 2010
Running CentOS release 5.4
We currently run a web server that allows FTP connections. I want to:
1. Disable FTP on our web server and require sftp only.
2. See if we can create a table of sites that are allowed to connect to the web server using sftp. Or should I just do this at the firewall?
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