Software :: Enable X11 Forwarding If SSH Directly Into The System?
Mar 15, 2011
how to enable X11 forwarding if I SSH directly into the system, for example:
ssh -X server1
However, I'm trying to get X11 forwarding on a system I don't have direct access to. I need to first SSH into a server I do have access to, server2, then from there I can SSH into server1. I know about port forwarding but I'm not sure how it works with regards to forwarding X11 windows. For port forwarding server1's web page, I'd do this: ssh -L 9999:server1:80 mylogin@server2
Then opening [URL] on my computer would bring up server1's webpage. What is the equivalent SSH command for X11 forwarding so if I typed it and executed gedit for example, that program from server1 would pop up on my Desktop?
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Jun 2, 2010
We have on Ubuntu 10.04 LTS installed on one m/c which is connected to office network using pptp vpn.Now i want to enable ip-forwarding on this m/c so that i can connect my RH9 m/c through this. For enabling ip forwarding i did the basic thing "echo "1">/proc/sys/net/ipv4/ip_forward" And added route on the RH m/c as route add -net 10.254.254.0 netmask 255.255.255.0 gw 192.168.1.10 dev eth0" (IP of Ubuntu m/c is "192.168.1.10 and RH m/c is 192.168.1.15) But some how ip-forwarding is not working properly.
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Feb 13, 2011
I've a question about KDE desktop effects. How do I directly enable KDE desktop effects in KDE? Now I have to enable Gnome desktop effects, then KDE desktop effects will be enabled. When I select "enable desktop effects" and press "OK" in KDE, it will tell me "... X configuration ..." something. What the hell is that? I never met this problem in Gnome. Is it a KDE's bug?
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Jul 22, 2010
I have a server that sits between two LANs, and I wish to enable multicast routing from one LAN to the other. I have multicast routing enabled in the kernel but didn't know how to enable it. Tried to add mc_forwarding in /etc/sysctrl but doesn't work.
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Mar 26, 2011
I would like to enable ipv6 forwarding . i have ipv6 module loaded.I added net.ipv6.conf.all.forwarding=1 in /etc/sysctl.conf .i tried reboot , did 'service network restart' .
.
Also I tried
sysctl -w net.ipv6.conf.all.forwarding=1
and
[code]....
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Jun 2, 2010
Okay I have searched how do I enable ipv6 forwarding?
There is no ip_forward in /proc/sys/net/ipv6/
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Jun 7, 2011
I installed Fedora 15 to my server. I preffer to work over SSH and I enable X forwarding. My configurational file:
/etc/ssh/sshd_config:
X11Forwarding yes
X11DisplayOffset 10
X11UseLocalhost yes
From my laptop I run next commands
ssh -X user@xx.xx.xx.xx
startx
and the session start on server, no redirect occur. Next output I saw in terminal
[Code]....
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Oct 3, 2010
I'm trying to enable port forwarding so I can use my computer as an FTP server to some friends. Here's my setup:
CLEAR wireless modem <--> LAN port 4 on router (not WAN) and LAN port 1 on router <---> eth0 in Ubuntu 9.10
The modem acts as a DHCP server which successfully assigns an IP address to my desktop system. I can also go onto the internet just fine on my desktop, and any other computer that connects to the router.
I have enabled port forwarding on the modem (not the router because it's being used as a switch, and not using its WAN port) to forward ports 21 and 80 to my desktop. What I don't understand, though, is that when I try to FTP to the modem's WAN IP address, the connection is refused. However, when I use websites such as:
www.canyouseeme.org
www.yougetsignal.com/tools/open-ports/
They say ports 21 and 80 are open (and not other random ports like 22 or 23 which I tried to see if the site simply said everything was open) but I cannot access my site from a web browser.
I was wondering what it was that's stopping computers from the Internet from communicating with my computer? The modem? The router? Configs?
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Jan 30, 2011
I want to share my WiFi internet connection over LAN, so I'm trying to set up IP forwarding. An old tutorial tells me to go to Network Settings in YaST to do this, but that applet says that NetworkManager is now handling all of that stuff.How do I enable IP forwarding while NetworkManager handles my internet connections?
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Sep 2, 2010
I have windows XP with my system, I downloaded Fedora 13 X86.iso image from bit torrent.also GPG keys in this image are 0 byte size. I burned it drectly to DVD. but sytem is not booting directly from DVD even though i changed bootup setup priority to DVD.
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Aug 14, 2011
I installed ubuntu inside windows, thing were going good, till windows got affected with virus, so had to reinstall it, now boots directly in windows 7. I have a 500 GB HDD with two equal partitions,
C: drive has windows
D: drive has ubuntu
I tried the boot-repair, didn't work, instead it corrupted windows boot, which got fixed using startup recovery but I want ubuntu back...
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Jul 7, 2010
in a previous version of openSUSE (I think it was v10.3), there was a possibility to directly/automatically start another OS after exiting (rebooting) openSUSE. This could be done through "right-clicking" on the Reboot (Restart) button from the KDE's log-off dialog and choosing the OS you wanted to be started after the restart. Please, does anybody know if this is possible in openSUSE 11.2 (KDE 4.4)? PS: I know that GRUB enables that, but I prefer a "GUI way" rather than using command line and editing configuration files
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Apr 30, 2010
I've bought myself an Acer Revo and have 10.04 running nicely on it. After some basic tweaks I have 1080p content playing flawlessly.However, I'd like the system to boot directly into xbmc (no gdm etc). Can anyone suggest how this might be achieved?Under 9.10 I used a minimal install and edited /etc/event.d/tty1 to login a user. .bash_profile was then edited to start xbmc.
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Feb 18, 2011
We have a system with 1 GB memory. Out of this, i would like to restrict only 512MB for linux and would like to access the rest 512MB directly from an application that runs on linux.
What is the suggested means to achieve this on 2.6.x?
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Jul 2, 2010
I reinstall ubuntu but when i restarted my pc is login directly into ubuntu i can't choose between xp and ubuntu ....what can i do?
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Jan 14, 2010
I have configured a command line (9.10) server to forward all the system email notices to an external Gmail account.
All is forwarding fine except, all the emails from root have a return email address of "root <myaccountname@gmail.com>".
I do not think that it is a big security issue but, I would prefer that the root emails were forwarded to an existing user account on the server and then forwarded to my external Gmail account. That way the return address would not say "root" within the address but rather "existinguser <myaccountname@gmail.com".
Anyone have a thought on this? Is exposing the "root" name within the return email address a serious security issue?
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Oct 22, 2009
I used the following 2 rules in iptables to forwarding some packagesiptables -t nat -A PREROUTING -p tcp --dport 8000 -j DNAT --to-destination 192.168.0.244:8000iptables -t nat -A POSTROUTING -p tcp --dport 8000 -j MASQUERADEIt works perfectly before, the kernel was 2.6.18-92.1.22.el5.After we did a update, the kernel now is 2.6.18-128.7.1.el5.and the forwarding is stop.I just wondering where can I get some debug information. I checked /var/log/message, dmesg ... seems nothing there.
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Feb 18, 2010
I think the title says it all really - I've installed Mint onto a Acer aspire 5315 laptop. Its a dual boot system using Vista Basic. Grub works perfectly and to be honest Mint is great. really enjoying playing and learning. My problem is that the laptop overheats when using Mint - the cpu fan doesn't cut in and the laptop shuts down to protect the system. According to a swift google this seems to occur with mint (possibly particularly with Acer's) and maybe with other distro's too. However I'd like to keep trying to see if i can find one that works.
So my rather obvious newbie question is can I just get another distro dvd and install this onto the partition containing mint thus deleting the previous install? If I did this would Grub show the new distro ok or would it keep searching for Mint. I have a back up so if all else fails I can reinstall everything but that will have to wait till I get home
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Feb 10, 2010
I recently installed Deluge 1.2.0 from the following PPA:[URL]I using this on two different Linux computers. One is running Linux Mint 8 and the other is running Ubuntu Netbook Remix 9.10. The first time on either computer when I enable WebUI in the Deluge GUI it works fine. However if I ever disable it in plugins section I am subsequently unable to re-enable it (doesn't appear in the side panel again). Rebooting or reinstalling Deluge seems to have no effect.Is this a bug or am I doing something wrong?
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Dec 12, 2009
I have just set up shorewall on my router running Arch Linux. The external network is on eth0 and the internal network on eth1.I have set it up for masquerading and that works fine and I can open ports to the firewall. But I'm having trouble with port forwarding to my internal machines.The problem I have is that when port 22350 is forwarded to 192.168.1.3 on my local network, checking the port with nmap from a remote computer gives me:
Code:
PORT STATE SERVICE
22350/tcp closed unknown
[code]....
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Oct 13, 2009
As I'm trying to set ACL via "chacl" command, its giving error saying "Operation not supported". So, the syntax part is correct but its not supported.
So, how to enable ACL support on Linux 4.
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Nov 26, 2010
Whenever I try loading ksystemlog application I get an error message saying "The file '/var/log/syslog' does not exist". Can anyone let me know how do I fix this issue? Screenshot of the message attached.
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Mar 4, 2010
I'm just want to know how i could enable FTP for PHP on a ubuntu system... I found a few links but they mostly say that when you install it you have to run
Code:
./configure --enable-ftp
How can i enable it if PHP was installed when we set up the server the 1st time?
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Oct 21, 2010
How to enable system logging in linux. can i check the logfile remotely of another system on same network
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Aug 28, 2009
I just loaded 5.3 from the CD's. How do I enable XFS file system support.
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Dec 5, 2010
I have Fedora 13 installed on my laptop. For some reason it always seems to run at 1GHz even though the maximum is 1.67GHz (even under 100% load).
The output of cpufreq-info code...
I tried changing the limits by setting cpufreq-set -r -g userspace -c 0 -d 1000MHz -u 1670MHz but the output it still identical (in particular "frequency should be within 1000 MHz and 1000 MHz").
Any ideas how to change the limits?
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Dec 6, 2010
How to enable the remote desktop in a Red Hat system?
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Sep 16, 2011
I'm running a ubuntu 10.04 box.
I want to enable Mysql on startup.
Typically, I used the following command:
Mysql still doesn't start when system boots.
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Feb 24, 2010
I like the system beep because I can tell checkgmail to beep when an email comes, that way my speakers don't have to be on.Anyways, I did a fresh install of Karmic the other day. Something is being weird with me when I try to re-enable the beep. Karmic blacklisted pcspkr in /etc/modprobe.d/blacklist.conf . Here's what happens:I leave "blacklist pcspkr" in blacklist.conf and restart. I do "sudo modprobe pcspkr" and then "beep", and it beeps. Good.
Then I comment out "blacklist pcspkr" in blacklist.conf and restart. I do "beep". Nothing. I do "sudo modprobe pcspkr" and then "beep". Nothing. I do "lsmod | grep pcspkr". It's listed there as it should be. I check with "sudo grep pcspkr /var/log/dmesg" and find no errors.
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Jul 23, 2011
Is there a way to enable the system tray to display the icons for running apps in the unity panel like they did in the old gnome ubuntu? For example Pandora.
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