Networking :: Connecting To Various Servers Via SSH
Feb 2, 2011
connecting to various servers on my network via SSH. All IP's on my network are static IP's that I've set.
DHCP is at: 192.168.1.1
Subnet: 255.255.255.0
Source IP that I'm trying to SSH from is 192.168.1.2 (My MacMini) I have 2 servers that I SSH into both running CentOS. One I have no problem with: 192.168.1.102 But the other I can't seem to get to: 192.168.1.103 The strange thing is I can only get to it once I ssh into my .102 server. Then ssh from there to my .103 server.
It started breaking down about a few days ago when I installed my VPN server. Could this be causing the problem?? I can access the VPN interface both internally (with a local ip) and externally (outside from the Internet). But why can't I ssh to it from my local network? I've set the subnet for the VPN to be the same as my network.
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Dec 11, 2010
I have recently upgraded to 10.04 and I am trying to access my apache and sshd servers from the net but I have not succeed so far when those two are using their regular ports.If I change their ports to something greater than 1024 they work fine.80->8010 22->4567(I can access the servers when I am connecting from local net: 192.168.1.0/24) Is this restriction build into the new kernel? Is there something I can do to fix this without recompiling the kernel?
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Feb 9, 2010
I just installed Ubuntu 9.10 and its great. However when I connect to the internet at home it shows that the connection has been established but I still cant connect to the internet. My flatmates are all able to connect. However, I am able to connect from work both wirelessly and through an ethernet cable.
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Jun 23, 2010
I would just like to know how many page hits i am getting and to see where the IP is. How to i go about seeing this on the server ( i dont want to add a page counter or anything all i want is to see a list of IP's times when they made the connection and what they viewed ) Is there a command to see this?
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Jan 29, 2011
I have had my Ubuntu 10.10 server running for about 4 months and i am very imprest, i connect to from my XP laptop using TightVCN, Putty and webmin. I have now installed Ubuntu 10.10 desktop on to my laptop and again its very good, BUT i can see all the files on the 10.10 server but i can not get TightVCN, Putty and webmin to connect to the server. i have tried setting up a new user but can not get things to work, can it be that i have a SAMBA server running on the machine i am trying to connect to?
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Jun 3, 2011
For some rather odd reason, my IRC bot wont connect to the local irc server, but it will connect to IRC.FREENODE.NET, I have no idea why...
PHP Code:
<?php/** PHPIRC Class Simple IRC Bot * * @author Ferdinand E. Silva
[code]...
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Jan 10, 2010
I have one small question. I have Debian 5.0 Lenny with kernel 2.6.31.3. I have also Pidgin 2.4.3. The question is: When I try to register on the server login.icq.com, just as login.messaging.aol.com port 5190 and 443 as a result of getting the same message "Connecting to 597044344(my room) is broken ". At the same time kopete - also not connected, but connected gnomeicu, with whom I have some inconveniences. Maybe someone knows how to make pidgin connecting servers?
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Nov 14, 2009
I wanted to access a SAN partion from my two CentOS 5 servers.
1. i wanted to get mounted the partition which i have created in the SAN.for example /dev/sdb is the partition
2. at the same time i wanted to store (Read and write )data in the SAN partition from those two CentOS server.
3. Can we use GFS? or what is the best way?
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Feb 2, 2010
I recently switched a computer running PCLinuxOS over to Fedora 12. I used to have PCLinuxOS set up as an SSH server so that I could quickly and easily share files with other computers in the house. Since the switch, other computers cannot connect to the SSH server unless I use sudo. I cannot set up a network connection in the GUI; "Unable to connect to server. Please check your settings and try again". Same thing happens if I use the ssh command without sudo. Is Fedora blocking something?
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Aug 30, 2010
So I've connected to my wireless network with the command:
iwconfig wlan0 essid Linksys
But I need to enter my wireless access' passphrase to connect to it. The closest I've come is using:
iwconfig wlan0 key s: PASSPHRASE
...which gives an invalid argument and I've resently found out that this passphrase command is not supported - yet.
Where do one tell Ubuntu to use a passphrase to connect to a wireless network?
- Ubuntu 10.04
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Nov 10, 2010
I've been working on this since last night (a few hours) but can't seem to find what I am looking for. I'll spare you the details of what I've tried already.
Could someone guide me through connecting to my Ubuntu server using a remote X session? The "kicker" is that I want to do this from a Knoppix LIVE CD. So whatever method I am given will have to be something that is common to most Linux distros.
I imagine I will need help with two important steps:
1) verifying that I have an xserver of some kind running on my server.
2) command line statement for starting the Xserver from the remote machine.
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Jun 4, 2010
I manage a few Linux servers and I need a fast way to connect to these servers instead of having to enter the root password every time.
Is there anyway to save the passwords/keys and connect to the servers by simply typing: SSH user@ip
Or even something easier without typing the server IP like I had Putty in Windows. I know I can still use Putty but I want to use a better SSH client, like GNOME Terminal.
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Aug 20, 2010
Using a fresh Ubuntu server install, i setup UFW :
[Code]..
When connecting from external box to this server on port 25, the connection is properly blocked by UFW but i can't find any UFW log (/var/log/kern.log, /var/log/messages, /var/log/ufw.log ...). I'm using default rsyslog.
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Jan 24, 2011
When ever i run ssh -p <port> <user>@<remote IP>, i get a connection has timed out error. (i use the -p <port> part because i'm using a custom port). does anyone know what could be causing this? i know of a few *possible* problems, but i don't know how to test them all.
- I am on the same network as the server (I'm trying to test using remote IP to make sure it works before i go out an try it somewhere else)
-The router could be blocking it (i'm using linksys)
-IPtables may not be set up right (i think it is though. the only thing i've run is "sudo iptables -A INPUT -p tcp --dport ssh -j ACCEPT". I have changed the port for the server since then. maybe i have to restart it or something for it to recognise the change? I know very little about IPtables though).
-maybe i have to change something in my client or server config files? (the only config file i've changed is the sshd_config file on the seerver, and that was to change the port to my custom port).
thats all i can think of for now. It may be none of those. I do have the sshd_config and port forwarding in my router set to the same port, so thats good.
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Jan 13, 2010
I am up and running. Symptom: webapp/servlet deployed to Tomcat, utilizes JDBC driver for MySQL connectivity. Upon launching application in browser and performing action requiring database interaction, exception thrown, server log:
[Code]...
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Feb 11, 2010
I have Ubuntu karmic as my host OS and Ubuntu Server as a guest on Virtualbox. I have set a folder on my host as shared with the guest, but how can i connect to it from the terminal on my guest? I am also using webmin as i was trying to stay away from install a desktop
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Dec 6, 2010
I'm running Ubuntu Server 10.10 and noticed that every time I log into the server via ssh it gives details that i don't necessarily want it to show.
Code:
Linux zeus 2.6.35-22-generic-pae #33-Ubuntu SMP Sun Sep 19 22:14:14 UTC 2010 i686 GNU/Linux
Ubuntu 10.10
[code]....
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Feb 20, 2011
I have an Actiontec GT724WGR and I am having problems with my Ubuntu server. I set up a subdomain on freedns.afraid.org with my main computer's external ip. However whenever I use the link that was made it goes to my router configuration page instead of onto my server. I have already set up a static ip for my server enabled DMZ hosting and under port forwarding applied every single rule that applied to servers.
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Jun 14, 2011
Has anyone noticed ABRT not being able to connect to Bugzilla or the remote Core Dump analysis server? Since my upgrade during the beta phase of F15 I have been unable to file bug reports from ABRT's traces, nor has it offered me the option to file bugs to bugzilla. What it does, however, is offer me to analyse the Core Dump and backtrace of the crash using either the remote server or locally with GDB. Needless to say I'm clueless in GDB, and it requires a LOT of debug symbols found in the corresponding debug packages. But trying to use the remote analysis server always results in a message of the server being busy and to try again later. IIRC the last time I was able to file a bug through ABRT was in 13, has anyone been able to do so in 15?
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Sep 30, 2010
The dhcp doesnt work unless i put a switch or router between the ubuntu gateway and the connecting computer.
setup
Code:
Code:
Code:
Code:
Im on ubuntu 10.04. is this normal? or should i be able to connect without having a router or switch between the ubuntu server and the internal network....
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Jan 16, 2011
I just want to use Internet Connection Sharing (ICS) to connect to the internet. I have done a massive amount of troubleshooting, but some of it seems to contradict itself, and the only two things that I know for sure are that it used to work, and that my Ethernet cable is not the problem. When I use Terminal utilities like ifup and dhclient it seems that it can not determine IP information, but when I try to put it in manually, the "Apply" button grays out right after I finish typing it in. When I try to connect normally, in KDE or GNOME, the icon acts like it's connecting, then instead of having the connected icon, I receive a notification that "the network has been disconnected", and it goes back to the disconnected icon.
Oh, and by the way, I know that I could probably find a workaround, but I have limited resources, and this used to work. The Linux is a Dell desktop with Fedora 12 and the Windows is a Windows 7 HP laptop.EDIT: I hope that I didn't mess something up, but I accidentally used system-network-config to try putting in the IP address there, and ended up changing it back to the original settings, but the computer is now calling it Auto Ethernet in the taskbar icon, although sudo iwconfig in the terminal still calls it eth0.
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Dec 29, 2010
I have a Squid Proxy Server running on centos in my office. The proxy server is running OK and I have to apply the proxy settings in web browsers to access internet. I have also created different users to access internet. I have also created a VPN server in proxy server. It is also running very fine. People from outside and inside the office can connect to the VPN server. I have also opened all ports on proxy server.
Problem is, if any of my employee try to connect any other VPN server outside my office, it does not get connected. It shows some "ERROR 619". Whenever I try to connect it always show this error after verifying username and password.
I am not getting that where the problem is. Is there firewall problem in proxy server? OR anything else?
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Mar 4, 2010
I am currently running ubuntu on a qemu-kvm virtual machine, and the host is fedora. I would like to mount a folder of the host machine on my VM, but never succeeded. The result of the command is :
root@armnlib-kvm:~# mount -v 192.168.1.10:/nfs /nfs
mount: no type was given - I'll assume nfs because of the colon
mount.nfs: timeout set for Thu Jul 7 06:02:43 2011
[code]....
And the showmount -e on the host gives :
Export list for cudak:
/nfs 10.0.2.15
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Feb 24, 2011
Forgive me if this has been answered, but searches have been un-fruitful. I recently built a 64 bit Ubuntu 10.10 pc. It is sitting right next to my Windows 7 Premium 64 bit machine. They can't see each other. I disabled Homegroup on my network. Now, when I try to access Ubuntu from Windows, I am prompted for a username and password. Both systems have the SAME UW and PW. It doesn't connect.When I go from Ubuntu to connect to Windows, I am prompted or Workgroup passwords.
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Apr 28, 2011
I was wondering if it is possible to SSH into my home PC and enable the VPN I have already set up there? After loads of Googling I have been unable to find the command!
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Apr 25, 2010
How to configure Red Hat IP. Here's what I'm trying to do use linux as a web server and at the same time connect the linux machine to local area network. So I need to configure one static ip such as 203......... and then 192.........
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Mar 31, 2011
I would like to connect a PC (it has no white IP) through Internet. It's possible to create tunnel with SSH, but I need more easy way. May be there is some service exists (like TeamViewer), so people can just run simple command on that PC?
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Dec 13, 2010
I can connect to the Internet using the Windows Drivers for my USB iBurst pppoe modem running in a VirtualBox VM running Windows XP on my Ubuntu 10.10 host. I haven't been able to get this working under Linux.
Is there any way I can connect to this from the Linux host.
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Aug 16, 2010
Am not able to browse on Linux 5.please provide me step by step procedure to config internet on my Linux 5
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Jul 7, 2011
I am currently running ubuntu on a qemu-kvm virtual machine, and the host is fedora.
I would like to mount a folder of the host machine on my VM, but never succeeded.
The result of the command is:
And the showmount -e on the host gives:
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