Ubuntu Networking :: Binding SSH (client) To A Certain NIC?
Nov 23, 2010
I connect to my corporate LAN(dhcp) using a wired connection and also connect to a WLAN(dhcp) without various constraints applied by the wired connection. In short my wired connection blocks outbound ssh traffic to my server at home. My WLAN connection is pretty lax so ssh connections to my home webserver can be made using the wireless connection.Can I route ssh to that particular ip via my wireless connection?
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Dec 21, 2009
My query is how to tag Linux server bonding interface what mode I use for bonding in prospective of interface tagging.
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May 27, 2010
I have 4 DSL modems connected with 4 different ISP's my scenario is
a) My FC-2 machine with LAN IP=192.168.10.1 and Bond0 IP=192.168.1.1
b) Modem-A LAN IP= 192.168.1.2 , ext IP=xxx.xxx.xxx.xxx
c) Modem-B LAN IP=192.168.1.3, ext IP=xxx.xxx.xxx.xxx
d) Modem-C LAN IP=192.168.1.4, ext IP=xxx.xxx.xxx.xxx
e) Modem-D LAN IP=192.168.1.5, ext IP=xxx.xxx.xxx.xxx
Modem-A, B, C, and D LAN connected with my FC-2 machine, and all 4 interfaces of my machine are in Bond0, Now please help me what default Gateway I should set in my FC-2 machine?>??? or I have to set 4 gateways in my machine?and will this configuration works?
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Jul 7, 2010
When I type ifconfig,
I see wlan0 and eth0. I want to somehow bind these two together into one device.
How would I go about doing this?
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Apr 11, 2009
Can I bind 2 interent connections or more on same fedora server to create bigger one with double bandwidth ,or it needs a specific router to be able to do this.
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Mar 22, 2010
I'm working on an ADSL2 connection that connects via PPPoE and it is assigned a static IP. On top of the static, the ISP has assigned a small block of 6 useable IP addresses.
- The primary static IP is on the interface ppp0
- The other 6 IPs are configured as eth0:1, eth0:2, eth0:3 etc.
With the above setup all IPs are reachable and useable on the internet.
- The revers DNS has been updated for a few of these and resolves with no problems. ie: eth0:1 has the 123.123.123.123 IP and resolves to blah.host.com and blah.host.com resolves to the IP address.
- To test this I have tried a program like BNC to bind to the IP address on eth0:1 but for some reason when connecting externally the host address is coming up with the FQDN on ppp0 interface IP, not the vhost IP.
Questions is, is this the normal behaviour since its a PPPoE connection and would only work if the ISP supported a bridged connection? something on the ISP end not allowing this to work?
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Sep 1, 2010
I have a centOS 5 server running apache 2 with it's web root at /var/www/html. By setting up a dns entry to point to the computer's IP, I was able to go to testing.myservername.com and reach the contents of that directory.My question is, how can I go about mapping multiple future domain names to folders that are under this webroot?For example how would i bind www.temporarydomain.com to the /var/www/html/temporarydomain/ folder and also be able to map www.anotherdomain.com to /var/www/html/anotherdomain/?
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Jan 6, 2011
trying to create a "local network" by directly connecting an IBM Thinkpad with Debian Linux installed on it to an Alix computer running Voyager Linux. I'm following a "how to" I found to create a music server, hence the requirement. My issue is I can't get a static IP address to be configured on the Debian machine.I've trawled the net and have found the instructions about editing the /etc/network/interfaces and have tried to do this. First I tried to get DHCP working so I could connect the Debian machine to the net and this proved successful. I edited the interfaces file to look as follows:
# The loopback network interface
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet dhcp
Then I tried adding a static IP address to the machine. As this is a network purely between two machines I made up the IP addres and used 192.168.0.1 and used a NetMask calculator to give me a NetMask of 255.255.255.254 (I told the calculator there would be 2 machines on the network). I then edited the interfaces file as follows:
# The loopback network interface
auto lo
iface lo inet loopback
[code]....
I re-booted the machine (ifdown eth0 followed by ifup eth0 keeps saying that eth0 hasn't been configured - a problem there that I don't understand), but during boot up time it failed to assign the Static IP address to eth0 and made me go into SU mode. To fix it I simply replaced the interface file with the static IP inputs with the file that had the DHCP entries (I'd made a copy of the DHCP file), and re-started the machine. Everthing came up fine. So the first question is how do I get a static IP address to be assigned to eth0 such that whenever I shut down and restart the machine the static IP address is always loaded?
The second question is around creating the network via the cross over cable. From what I've found via Google, all I should have to do is create a static IP address on the Debian machine and a static IP address on the Voyager machine. Once they're connected by the cross over cable they should see each other. Is that correct, or do I have to do anything else?
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May 20, 2009
I have the following problem:I have to networks in remote places.I have an opnvpn client in one network that connects to the the router (openvpn server).My question is,can i connect the network where the openvpn client is,throught the computer with the client to the other network.If yes,how? (please make it an idiot proof anwser because i have limited knowledge about iptables). I was thinking like forwarding (the router in the network with the openvpn client is also firewalling with iptables) the request of the ip class of the openvpn network to the computer with the client,which masquarades the interface
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Jul 18, 2010
I'm trying to make a script that adds a systemwide keybinding, but I can't find a way to do it from a terminal.
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Jul 14, 2009
Each time my machine reboots, it takes about 2 minutes for an attempt of the YP server to bind (then it fails).
Code:
jim@LinuxBox:~$ /etc/init.d/nis restart
start-stop-daemon: warning: failed to kill 2469: Operation not permitted
* Starting NIS services
* binding to YP server...
* ....
--> repeats 10 times <--
* .... [fail] [ OK ]
jim@LinuxBox:~$
The previous is a YP server command while running. What happens at boot time is similar. I think I need NIS for my work. This looks like an old common problem (maybe on AMD64 - Ubuntu; which I have). The following link has a good description of NIS and this particular problem. It is a complex problem that I am spending some time working on. It looks like my problem may be that an NIS master has not been created. [URL]. I am trying to share files and run remote desktop with XP machines on a local network. The lack of NIS server may be contributing to my difficulties.
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Jan 31, 2010
I've recently started using terminator. When using terminator, the delete key acts like backspace. in the ~/.config/terminator/config file I've tried:
Code:
delete_binding = ascii-del
and
[code]...
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Jun 17, 2010
I have creates this brainstorm topic in regard with dual nature of MOD key and to allow the mod keys to behave as independent key also.
[URL]
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Jun 24, 2010
i moved to 10.4 and would like to set a key-binding to the "window key" for "Hide all normal windows and set focus to the desktop". This option was possible in 9.04. No when i go to System > Preferences > Keyboard-Shortcuts and try to change the shortcut to the above function it does not accept the win-key as a shortcut.
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Dec 3, 2010
I'm trying to migrate over to Ubuntu, and there is one really useful feature that I would like to replicate in Gnome. In Windows, I can hit the "Windows" key on my keyboard, which opens up the start menu.
Is there a way that I can replicate this behaviour in Gnome? Can I map the Windows key to opening the Applications menu?
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Dec 1, 2010
I need to know how to set my Windows key + Key global shortcut on e16 1.0.7 stable.
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Jun 17, 2010
i have a code written in c..for which i was trying to create a gui using Gtk+.but now i want to use qt4 for the same purpose but native language of qt4 is C++. i have to do library binding for my C code to develop a gui using qt4.
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May 26, 2011
I have a server hosted with Hetzner in Germany and have had it there for over a year now without any glitches. Last week very abruptly they deactivated the server giving me a very vague reason of "I was using another IP that was not assigned to me". After several calls I had the server reactivated but am still puzzled by this and Hetzner Germany has been unable to provide me with any proof, logs, traces or anything for that matter to validate their claims.
My primary (physical) server has one IP allocated (static) and IPv6 is turned off. On top of this server I run 3 VMware servers, 1 Ubuntu, 1 Debian, 1 Windows and all 3 of these VM's have static IP's configured.
I've done traceroutes, netstats and looked through every single config file with a fine toothcomb without finding anything and the problem has not reoccured either.
What I would like to know is if there is some way that someone could craft an attack of some sort that could cause a server to do this, to latch onto another IP not assigned to its NIC?
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Jun 9, 2011
Today I'm trying to configure Postfix+Dovecot to use Samba4's LDAP database for authorisation and mail delivery. As I can see from /var/log/mail.log, Dovecot tries to bind to LDAP right after reboot , but fails:
Code:
pdcadmin@PDC1:~$ cat /var/log/mail.log
Jun 9 13:06:46 PDC1 dovecot: auth(default): ldap_bind
Jun 9 13:06:46 PDC1 dovecot: auth(default): ldap_simple_bind
[code].....
Believing this to be a sign of succesfull bind, I couldn't understand the reason behind it. Why do I need to restart or reload dovecot service to make it work (though it fails on the next step with "dict_ldap_lookup: Search error 1: Operations error" and "451 4.3.0 ... Temporary lookup failure")?
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Jun 28, 2011
I'm slowly coming to terms with Gnome 3 but one thing I can't get used to is using the "Windows Key".
For me it's a difficult key to use regularly. What I'd rather to is remap the "Switch between overview and desktop" action to alt-space, which I am used to from "Launchy" which I have been using in Windows for some time.
A couple of issues though - this is already mapping to "Activate the window menu". I never use it though. Are there any implications of remaping it?
Secondly, what is the command I need to map the key to, in order to emulate the Gnome 3 "Windows Key" behaviour?
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Jul 20, 2011
I just wonder, is it possible (using Linux 2.6) to limit overhead done by ethernet interface to one specific core. Ie. I have core2duo CPU, and two ethernet interfaces: eth0 and eth1. Is it possible to move system load caused by packets comming on eth0 to CPU0, so the other core (CPU1) will be idle?
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Feb 18, 2011
I'm trying to bind a couple of LVM partitions to directories in the /export directory for NFS hosting. I just want to make it clear that the partitions I'm trying to bind are local LVM partions, the binding is to allow NFS export (they are not networked partitions).
My distro is Ubuntu 10.10 if that makes any difference.
I can bind the partitions perfectly manually using this as an example:
Code:
However fstab fails to bind when I restart, and trying to use the fstab with a mount command to check it yields:
Code:
Are their subtleties with LVM that I do not understand?
Before setting up LVM, I previously had partitions bound in fstab with no issues using regular partitions (for NFS export again).
my fstab:
Code:
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Feb 10, 2010
I can find eC-f and eC-b in /etc/inputrc and they work. However, I find the eC- key combination a bit of a finger reach and I use forward-word and backward-word a lot so I wanted to add a key modifier combination that was easier. I have tried several different versions of key binding in ~/.inputrc but nothing seems to work. Here is the latest version of my .inputrc:
# Bill's inputrc for ReadLine
# '$include' directs readline to the file
# with 'universal' settings.
# Place 'export /etc/inputrc' in .bash_profile
[code]....
Meta (ALT) -b works (does backward-word) for some reason but M-C-b doesn't. Meta (ALT) -f gives me the window menu, as it should. I don't want to change that. But ~/.inputrc gives me nothing with ALT(Meta)-CTRL-f. I was kind of hoping to figure out how to substitute M-C- for e on my local or users .inputrc and readline for many of my user's bindings.
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Feb 14, 2009
I just installed FC 10 and have apache running with the default config. the problem is that it is only listening on ipv6 for ports 80 and 443
Code:
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:587 0.0.0.0:* LISTEN 2059/exim
tcp 0 0 0.0.0.0:465 0.0.0.0:* LISTEN 2059/exim
[code]....
here is the only part in the httpd.conf file that seems to have anything to do with this:
Code:
Listen 80
which from my understanding should make it listen on all interfaces, ipv4 and ipv6
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Sep 13, 2010
I have a problem with GNOME and virtual desktops. I use Compiz, and when I use the keys to rotate the cube the cube will spin, but all the programs remain in the panel. It works if I manually press the buttons on the "Workspace Switcher" which I've included on my panel.can I create a key-binding for the Workspace Switcher so I don't have to press on the buttons on the panel?
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Sep 2, 2010
I'm trying to execute X server (automatically), which will not bind to 0.0.0.0 (port 6000) - meaning X server will not listen on generic interface. If it's possible, I'd prefer X server not to listen at all (and communicate through other IPC if needed), is there a way to make it not listening at all? -nolisten flag or something like that? (and do it automatically, every reboot). Also, Is there a way to make X server bind to 127.0.0.1(localhost) instead of 0.0.0.0(generic interface)? It should be in one of the configuration files or the start-up command to run X.
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Mar 31, 2010
Is it possible to bind a USB drive formatted in NTFS to a specific folder so when i open that folder i see the contents of the drive?
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Jun 18, 2009
I am using using Red Hat Enterprise Linux ES release 3 (Taroon)
dhcp server ver: dhcp-3.0pl2-6.14
I am trying to bind macid 00-21-6B-A1-C9-4C & 00-15-00-1D-AD-57; but it give, when I start dhcp service, I get the following error messages. I am sure macid are absolutely correct. Following the error message I get.
Starting dhcpd: Internet Software Consortium DHCP Server V3.0pl2
Copyright 1995-2003 Internet Software Consortium. All rights reserved.
For info, please visit [URL]
/etc/dhcpd.conf line 2196: Bogus number: 00-21-6B-A1-C9-4C.
hardware ethernet 00-21-6B-A1-C9-4C;
Configuration file errors encountered -- exiting
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Mar 27, 2011
I would like to ask if someone try or is there any key binding about the conky apps..I would like to know if it possible to key bind the conky running in desktop so that everytime i want to see the running conkyrc on the desktop there is no need for me to minimize the open windows inorder just to see my running information in the desktop
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Aug 20, 2009
I want to set a key binding in bash for "history-search-backward" readline command to a combination of Control+some other key (I'm using 2 as an example), but I'm unable to do so. in fact, I'm unable to alter or add bindings to Control+key combinations.
After several tries my ~/.inputrc now looks like this
But it doesn't work and bind -p | grep "-2" gives nothing. If I try something without the control key:
I can search in the history by prssing the sequence C + - + 2.
bind -p gives control in C form, for example:
I've tried different formats in my inputrc:
But nothing works.
works if I press Escape followed by 2.
Setup:
Fedora 11:
Bash version 4.0.23(1)
GNU Readline 5.2 (according to the man page)
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