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• "Sticky button" configuration under X11/Ubuntu?

  - by John Whitley

  Is there a configuration or app that will enable Sticky-keys like functionality for a pointer button under X11? (On Ubuntu 9.10, FWIW.) To be clear, I'd like a single tap (down/up events) to be treated as a down event, and a following tap to be treated as an up event. Context: I have a trackball with a fourth button that I've mapped to act as horizontal/vertical scroll. This works great. It'd be even better if I didn't have to hold the button down when scrolling.

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• X11 not sending windows to remote computer matlab

  - by MZimmerman6

  I am trying to set up my home desktop, running OS X Mountain Lion, to basically do a bunch of grunt work for me remotely. I have set up ssh, and am able to remotely control the computer fine, but the issue comes in when I try to run X11 apps, like MATLAB, remotely and get windows to pop up. Every time I try to bring up a new window it either opens that window on the remote computer (not the one I am using to control it), or it tells me it can't find a display. here is how I am setting up my ssh assume my matlab alias is set up properly, which it is. ssh -X [email protected] matlab -nodesktop figure; This will open the window on the computer I am SSHing into, and not on the remote one. Basically I want that window to open on the computer I am remoting from. I changed my SSH X11Forwarding and stuff to be yes in ssh_config and sshd_config. Any other suggestions?

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• Extract X11 configuration information from running instance.

  - by kasterma

  Since I had a hard disk die on me, I figured I could easily try some other OS (I usually run Ubuntu). Turns out that Ubuntu flawlessly recognizes my video card and monitor (X11 works right out of the box), and none of the other systems I tried gets anything working (I tried CentOS and FreeBSD). In my now working version of Ubuntu I cannot find a configuration file with information I could try to use with one of the other versions, which makes me guess that it just detects the hardware every time. Can I extract its choice for drivers and configuration options somehow (so I can try these same options in the other systems)?

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• Howto disable SSH local port forwarding ?

  - by SCO

  I have a server running Ubuntu and the OpenSSH daemon. Let's call it S1. I use this server from client machines (let's call one of them C1) to do an SSH reverse tunnel by using remote port forwarding, eg : ssh -R 1234:localhost:23 login@S1 On S1, I use the default sshd_config file. From what I can see, anyone having the right credentials {login,pwd} on S1 can log into S1 and either do remote port forwarding and local port forwarding. Such credentials could be a certificate in the future, so in my understanding anyone grabbing the certificate can log into S1 from anywhere else (not necessarily C1) and hence create local port forwardings. To me, allowing local port forwarding is too dangerous, since it allows to create some kind of public proxy. I'm looking for a way tto disable only -L forwardings. I tried the following, but this disables both local and remote forwarding : AllowTcpForwarding No I also tried the following, this will only allow -L to SX:1. It's better than nothing, but still not what I need, which is a "none" option. PermitOpen SX:1 So I'm wondering if there is a way, so that I can forbid all local port forwards to write something like : PermitOpen none:none Is the following a nice idea ? PermitOpen localhost:1

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• Windows Server 2003 port forwarding

  - by Vitor Braga

  Using the "netsh interface portproxy" I added a port forwarding to a Windows Server 2k3. The command "netsh interface portproxy show all" shows the added forwarding. On the other hand, any client connecting to the incoming port will receive a "connection refused" message. netstat also doesn't show the incoming port as listening. The machine firewall is disabled. There is any other way to setup port forwarding on Windows or debugging tips?

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• Open an X application going through many hoops (SSH, vpn etc)

  - by ??O?????

  The players: my home computer, running Linux with an X server running. (Call it HOME.) a remote site, to which I can connect over the internet using a VPN. (SITE) a Linux computer at the remote site, to which I can connect with ssh -X and nicely have X clients displaying on my local server. (MIDDLE) a very old Irix machine (an Onyx) at the remote site, which has no SSH server (therefore I can't ssh -X to it), only an ssh client. (ONYX) Purpose I need to run an X11 application on the ONYX machine, and see the GUI on HOME. I think I stumble upon xauth issues. So far The current situation is: ? HOME connects to SITE ? A vncserver starts on MIDDLE:7 ? vncviewer on HOME connects to vncserver on MIDDLE ? ONYX starts a forwarding ssh session to MIDDLE: ssh -TfN -L 6007:127.0.0.1:6007 MIDDLE ? DISPLAY=localhost:7 xclient on ONYX fails with Xlib: connection to "127.0.0.1:7.0" refused by server I do know that the forwarding (6007:127.0.0.1:6007) succeeds. A previous attempt was: ? HOME connects to SITE ? HOME connects to MIDDLE: ssh -X MIDDLE (xclock displays on HOME, DISPLAY is 127.0.0.1:10) ? ONYX starts an SSH tunnel to MIDDLE: ssh -TfN -L 6010:127.0.0.1:6010 MIDDLE ? DISPLAY=127.0.0.1:10 xclient fails with X connection to 127.0.0.1:10.0 broken (explicit kill or server shutdown). while an error pops up in the MIDDLE session: X11 connection rejected because of wrong authentication. Despair How can I achieve my purpose?

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• How do I prevent infinite recursion in X11 start-up process?

  - by chrisaycock

  I wasn't able to run X11 or Terminal after rebooting my Mac. After digging around, I got them to work when I commented-out this line in my .cshrc: xset b off It appears that xset will attempt to launch X11 if it isn't running already, and since X11 will launch the default shell through xterm and thus encounter the xset line above, we will have an infinite loop. I would like to keep the above line in my .cshrc. Is there a way to prevent X11 from launching itself?

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• Port forwarding + shared connection with Ubuntu

  - by Joey Adams

  Because my wireless router's ethernet ports are defective, I set up a shared wireless connection from my laptop (which has wifi) to my eMac (which does not) via a crossover ethernet cable. The laptop is behind a router as 192.168.1.131, and the eMac is behind the laptop as 10.42.43.1 . The laptop is running Ubuntu 9.10 (Karmic). I achieved the shared connection through NetworkManager Applet. I right-clicked on the network icon at the topright, went to Edit Connections, selected the Wired connection named "Auto eth0", clicked "Edit...", went to the "IPv4 Settings" tab, and selected the Method "Shared to other computers". The eMac can now access the Internet. Now I want to enable port forwarding. There's a game I want to play that needs port 6112 forwarded (both TCP and UDP) in order to host games. I set up the router to enable port forwarding for 192.168.1.131 (the laptop), but port forwarding still isn't available on the eMac. I suppose I need to pretend my laptop is a router and configure port forwarding on it, indicating that incoming connections to the laptop (192.168.1.131) should be forwarded to the eMac on the shared connection (10.42.43.1 ). Thus, packets coming into the router on port 6112 would be redirected to the laptop (by the router), then to the eMac (by the laptop). My question is, how would I do that on Ubuntu (in light of NetworkManager's presence)? Also, if I can't get this to work, does anyone mind hosting a comp stomp? :D

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• Port forwarding + shared connection with Ubuntu

  - by Joey Adams

  Because my wireless router's ethernet ports are defective, I set up a shared wireless connection from my laptop (which has wifi) to my eMac (which does not) via a crossover ethernet cable. The laptop is behind a router as 192.168.1.131, and the eMac is behind the laptop as 10.42.43.1 . The laptop is running Ubuntu 9.10 (Karmic). I achieved the shared connection through NetworkManager Applet. I right-clicked on the network icon at the topright, went to Edit Connections, selected the Wired connection named "Auto eth0", clicked "Edit...", went to the "IPv4 Settings" tab, and selected the Method "Shared to other computers". The eMac can now access the Internet. Now I want to enable port forwarding. There's a game I want to play that needs port 6112 forwarded (both TCP and UDP) in order to host games. I set up the router to enable port forwarding for 192.168.1.131 (the laptop), but port forwarding still isn't available on the eMac. I suppose I need to pretend my laptop is a router and configure port forwarding on it, indicating that incoming connections to the laptop (192.168.1.131) should be forwarded to the eMac on the shared connection (10.42.43.1 ). Thus, packets coming into the router on port 6112 would be redirected to the laptop (by the router), then to the eMac (by the laptop). My question is, how would I do that on Ubuntu (in light of NetworkManager's presence)? Also, if I can't get this to work, does anyone mind hosting a comp stomp? :D

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• port forwarding problem

  - by Claudiu

  I want to set up an svn server on my computer, so it's available from anywhere. I think I set up the repository correctly, using CollabSVN. If I go to Repo-Browser with TortoiseSVN and point it to svn://localhost:3690, it shows the proper repository. The problem now is that I'm behind a router. My local IP is 192.168.1.45 . Doing svn://192.168.1.45:3690 also works. My global IP is, say, x.x.x.x. Just doing svn://x.x.x.x:3690 doesn't work, which makes sense, since I have to set up port forwarding. I'm using a Verizon router. Using their web interface (on 192.168.1.1) I added the following port forwarding rule: IP Address forward to: 192.168.1.45 Source Ports: Any Dest Ports: 3690 Forward to: 3690 Protocol: TCP However, even after applying this rule, going to svn://x.x.x.x:3690 doesn't work. It takes a few seconds to fail, then says that the connection couldn't be established because the server connected to didn't respond properly after a period of time. What's interesting is that a random port, like svn://x.x.x.x:36904 fails immediately, saying that the target machine actively refused the connection. So I figure that the forwarding rule did something, but not fully what was necessary. Any ideas on how to get this working? The router model is MI424-WR and the firmware version is 4.0.16.1.56.0.10.12.3. UPDATE: I also tried setting destination port to 45000, and still forwarding to 3690, in case something was wrong w/ the lower-numbered ports, but to no avail. I also tried port 80 to port 3690, still all in vain.

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• How can I forward an application with X11 in grayscale

  - by ??????? ???????????

  I am trying to run a graphical application at home and display it on a it on a laptop which is located about six routing hops away. The problem is that the connection is so slow (or rather there is so much GOOEY being transfered) that the mouse is unresponsive and it takes a "long time" to redraw the window even at a resolution of 800x600 pixels. The connection speeds are 10MBit up at home and about 1MBit down on the laptop, which I think should be sufficient for looking at some GUI in (almost) real time. Since this traffic is sent over over a secure shell, I have enabled Compression with highest CompressionLevel along with Ciphers set to blowfish-cbc. This has substantially improved the responsiveness of the application, making it nearly usable. However, my goal is to improve the performance even further by sacrificing colors and even frame rate. The application to be displayed a Qemu SDL window with a graphically-oriented OS in it. This is not strictly relevant, but perhaps there are options to tweak the SDL output which I am not aware of. A possible workaround would be to run the application in a "hidden" X server and enabling TigerVNC on that X server. This would automatically give me the benefits of an optimized VNC viewport, but the goal is to do without (reduce complexity). The question I'm asking is what are my options for reducing the data-rate generated on the server in order to make the graphical application more usable on the client. As mentioned, colors are not important and I could probably work with 5-16 fps. Both machines are running Gentoo with the software in question being: workstation X.Org X Server 1.10.4 OpenSSH_5.8p1-hpn13v10, OpenSSL 1.0.0e QEMU emulator version 0.15.1 (qemu-kvm-0.15.1) laptop X.Org X Server 1.12.2 OpenSSH_5.8p1-hpn13v10lpk, OpenSSL 1.0.0j

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• fast X11 forwarding

  - by user20196

  Hi, I am using ssh -X to display GUI apps locally. Is there a better way to speedup this processes - something similar what NoMachine Nx server / client does? Thanks, Mariusz.

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• X11 display over ssh with monitor connected to remote machine

  - by Sumit

  I have the following setup: Machine A (a.corp, 192.168.100.130, local machine) and Machine B (b.corp, remote machine) and a monitor is connected to each of these machines. When I ssh from a.corp to b.corp as $ ssh -X b.corp $ xclock Error: Can't open display: I tried setting the DISPLAY variable as $ ssh -X b.corp $ export DISPLAY=`echo $SSH_CLIENT|cut -f1 -d\ `:0.0 $ echo $DISPLAY 192.168.100.130:0.0 $ xclock xclock's display opens up but on the monitor connected to b.corp (remote machine) and not on the monitor connected to a.corp (local machine). Is there a way to force the display to appear on the monitor of the local machine (a.corp)?

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• One handed Dvorak on Linux/X11

  - by Jeffrey Aylesworth

  I can change to standard dvorak by running setxkbmap dvorak, how do I change to right handed Dvorak, is there a new keymap I need to download?

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• X11 and Window Manager Confusion

  - by ell

  What roles do the Xorg server and a window manager, for example, metacity, play in displaying windows? Does the window manager communicate with the OS or Xorg? Does Xorg then use OpenGl to display things? Can someone explain what exactly the Xorg server does, and what exactly the window manager does, and the differences between the two. Also, if you could show me the Windows equivalent, that would be helpful. Thanks in advance, ell.

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• Deleting slow on X11 emacs

  - by Malvolio

  I'm running GNU Emacs 21.4.1 on a (remote) remote Linux ((CentOS) box, using my MacBook as the X-server. Works fine, unless I try to delete a word, line, or region. Then it locks up for 30 seconds or so. It sounds like a minor thing, but you realize how often you do a delete when you have to stop for 30 seconds every time. My theory is that Emacs is trying to put the text in the X-server cut-and-paste buffer, which is trying to put it in the OSX cut-and-paste buffer and somewhere along the way, the process is blocked until it times out. (My only evidence for this theory is (a) copy-region behaves the same way and (b) deleted text doesn't show up in the buffer.) Any suggestions appreciated. Edit: (setq interprogram-cut-function nil) fixed me right up. Which makes perfect sense. Thanks, Trey.

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• Exchange Server 2007 Forwarding Circles

  - by LorenVS

  Hello, I asked a question quite a while ago about two members of an organization who wanted to receive all of each other's emails, and yet maintain seperate mailboxes. (so all emails to mike@company get sent to mike and dave and all emails to dave@company get sent to mike and dave). At the time, I actually only needed to implement one side of this (only mikes emails got sent to both receipients) and (with the help of ServerFault) I set up forwarding on dave's inbox so that all of his emails would also be sent to mike. I'm now in a situation where I have to implement the other side of this relation (such that mike's emails will also forward to dave). I still remember how to set up the forwarding rule, but I'm worried that I might be creating a circular forwarding rule such that mike@compnay forwards to dave@company which forwards to mike@company and so on. Can anyone clear up my confusion (just want to make sure I don't make a stupid mistake). Thanks a ton

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• Apache port forwarding with ZTE ZXV10 W300 router (provider specific firmware)

  - by dannote

  I'm trying to configure port forwarding for Apache 2.2 installed on Windows XP SP3 with ZTE ZXV10 W300 router. The computer has a static IP 192.168.1.2. Port forwarding is configured as following: Enable true Name Apache Protocol TCP (also tried TCP and UPD) WAN Host Start IP Address empty WAN Host End IP Address empty WAN Connection stream WAN Start Port 8080 WAN End Port 8080 LAN Host IP Address 192.168.1.2 LAN Host Start Port 8080 LAN Host End Port 8080 Port 8080 is open for both TCP and UPD in Windows Brandmauer. Apache configuration: Listen 192.168.1.2:8080 Router Firmware: Hardware Version V1.0.01 Software Version V8.0.02T03_CFA Boot Loader Version V1.1.2 The provider is COMSTAR. I'm not sure but it's said they flash routers with modified firmware. I have also tried to set up Bitcomet port forwarding on port 13514 and failed.

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• Apache port forwarding with ZTE ZXV10 W300 router (provider specific firmware)

  - by dannote

  I'm trying to configure port forwarding for Apache 2.2 installed on Windows XP SP3 with ZTE ZXV10 W300 router. The computer has a static IP 192.168.1.2. Port forwarding is configured as following: Enable true Name Apache Protocol TCP (also tried TCP and UPD) WAN Host Start IP Address empty WAN Host End IP Address empty WAN Connection stream WAN Start Port 8080 WAN End Port 8080 LAN Host IP Address 192.168.1.2 LAN Host Start Port 8080 LAN Host End Port 8080 Port 8080 is open for both TCP and UPD in Windows Brandmauer. Apache configuration: Listen 192.168.1.2:8080 Router Firmware: Hardware Version V1.0.01 Software Version V8.0.02T03_CFA Boot Loader Version V1.1.2 The provider is COMSTAR. I'm not sure but it's said they flash routers with modified firmware. I have also tried to set up Bitcomet port forwarding on port 13514 and failed.

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• Unable to do forwarding in BIND DNS?

  - by preethika

  I have BIND working on Windows Server 2003. i want to forward my queries to another server. Recursion is working but forwarding is not working. can u guide me to set it. i've given the following in the options: options { directory "c:\named\zones"; allow-transfer { none; }; forward only; forwarders { 8.8.8.8 ; }; recursion no; }; is the format for forwarding correct in the above. if not what is the format. Am i to give any port number in the forwarders line? Does forwarding have any particular port number? Thank You in advance....

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• Strange port forwarding problem

  - by rAyt

  I've got a strange port forwarding problem. The port forwarding to my internal webserver (10.0.0.10 on Port 80) works without a problem but the port forwarding to a windows server (10.0.0.15) on port 3389 doesn't work. The port 3389 is open. Any ideas? thanks! #!/bin/sh IPTABLES="/sbin/iptables" $IPTABLES --flush $IPTABLES --table nat --flush $IPTABLES --delete-chain $IPTABLES --table nat --append POSTROUTING --out-interface eth0 -j MASQUERADE $IPTABLES -t nat -A PREROUTING -p tcp -i eth0 -d 188.40.XXX.XXX --dport 3389 -j DNAT --to 10.0.0.15:3389 $IPTABLES -t nat -A PREROUTING -p tcp -i eth0 -d 188.40.XXX.XXX --dport 80 -j DNAT --to 10.0.0.10:80 $IPTABLES -t nat -A PREROUTING -p tcp -i eth0 -d 188.40.XXX.XXX --dport 222 -j DNAT --to 10.0.0.10:22 $IPTABLES --append FORWARD --in-interface eth1 -j ACCEPT

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• tomcat dns forwarding to multiple applications

  - by basis vasis

  I recently installed business objects software on tomcat 6. I have 2 domains - domain1 and domain2. This software allows access to two of its applications via these URLS: ADDRESS:http://myservername.domain1:8080/BO/APP1 and ADDRESS:http://myservername.domain1:8080/BO/APP2. Instead of these urls, I would like the end users to access these apps via something like http://bobj.domain2.com:8080/BO/APP1 and http://bobj.domain2.com:8080/BO/APP2. I cannot figure out how to accomplish that. I have looked into the option of http redirect (not good because the destination address shows up in the address bar), domain forwarding (not sure if it would work with multiple applications and forwarding from one domain to another) and also using apache tomcat with mod_jk by using virtual hosts (not sure if it is possible when forwarding from one domain to a sub domain in another domain) ?? please advise as to what would be my best option and how to accomplish. thanks a bunch

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• Forwarding Emails From Inbox Only

  - by ircmaxell

  I have a forward setup on one of our public facing email addresses to a few users outside of our system (to an external address). Seeing as it's public (printed on a website in plain text), we get TONS of spam on that account. We're being marked as a SPAM source due to the forwarding by the external system. We have pretty aggressive IMF (Intelligent Message Filtering) setup, and it works great for internal messages. The problem we're facing is that Exchange is forwarding ALL the email received on that account, and not just the messages that pass the IMF (and don't get pushed into Junk). As far as I can tell, there's no way to adjust the IMF settings for that one account. And as far as I can tell, there's no way to setup folder forwarding (inbox - external address) from Exchange. Is there something I'm missing or is there any way around these issues that I may be missing? Thanks...

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• Forwarding broadcast traffic

  - by Dragos

  I have a host that receives broadcast queries on a UDP port. I would like to forward this broadcast traffic to another host from another network. Is it possible to port forwarding broadcast traffic using iptables? I have tried to specify package traffic as broadcast, but I didn't success. (-m pkttype --pkt-type broadcast). If I recive unicast traffic on that port, the forwarding succeeds. I try to forwarding using nat table.(-A POSTROUTING -j DNAT --to-destinatiox x.x.x.x) Thanks.

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• Set Up Port-Forwarding on Netgear N300 Router

  - by Smitty

  I have a Netgear N300 router that has DynDNS.org as a preset DDNS option. After setting it up it (unsurprisingly) sent traffic directly to my router. I'm essentially using this to connect remotely to my home (virtual) machine/s. From what I've read, it seems like I need to set up port forwarding. I tried forwarding "all" inbound traffic to a specific IP but that just didn't work. What am I doing wrong? Also, I just noticed I get this error after applying the settings: "The specified port(s) are being used by other configurations. Please check your configurations of Remote Management, Port forwarding, Port Triggering, UPnP Port Mapping table, RIP, and Internet connection type"

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