1
vote
0answers
161 views

Unable to fork: Cannot allocate memory

frequently getting 'fork: Cannot allocate memory' when running commands over ssh. I have 64Gb of RAM and usually 1~2Gb free. swap is more than 8gb free Ubuntu version:"Ubuntu 12.04.2 LTS" Desktop ...
1
vote
1answer
49 views

How do I configure matplotlib to work on EC2?

We are trying to set up a virtual development / research cloud environment for our students. Students need to be able to log-in, launch python IDE, and plot some graphs for their homework. We are ...
0
votes
1answer
31 views

Is it possible to have the remote host name appear in X11 windows?

I found that running applications over X11 from remote virtual machines give a lot better performance than VNC or Spice. However, it can get confusing when you have a bunch of windows open on your ...
1
vote
1answer
530 views

Xming Alternative for ubuntu

I have a ubuntu machine that can be accessed remotely using putty. I run xming in the windows and Enabled X11 forwarding in putty. So if i start wireshark in the putty, i get the display in my ...
1
vote
1answer
399 views

X11-Forwarding ubuntu server

I'm trying to enable X11 forwarding from my headless ubuntu server (12.10) to regular ubuntu to forward virt-manager so I can install windows kvm machines. The problem is when I try to open an X ...
3
votes
1answer
339 views

How do I X forward a Windows application to a Linux system using ssh?

Ok, so if I have two Linux Machines (A and B) and I have a program on one, and want to run it on be I do: user@LinuxA:~$ ssh -X LinuxB user@LinuxB:~$ programName (Displays on LinuxA machine) Ok ...
1
vote
3answers
2k views

SSH to open GUI on target machine?

I know -X -Y options in ssh for X11 forwarding.But these options open the gui apps on my pc.But I want to open a gui application "exactly" on target machine. So please help me with this. I tried this ...
0
votes
1answer
319 views

GUI application on (from ?) a server without X11

Is it possible to run a GUI application (firefox / xterm / GNU plot) on an Ubuntu server (The server does not have X11 installed) over an SSH with X11 forwarding (The client has X11 installed)? I am ...
0
votes
1answer
63 views

Loop function in /bin/x11

There is a quest about /bin/x11/ in Ubuntu 11.10. X11 generate a loop, while a second X11 map is also in it, but it is not possible to delete or change the inbound X11 map within X11. With regards ...
3
votes
2answers
3k views

“can't open display” weirdness over ssh

Some time back, (maybe a year?), my environment was working correctly. But some time in the last year or so I started getting "can't open display" errors. It's weird because I can ssh into the ...
23
votes
2answers
11k views

Difference between `ssh -Y` and `ssh -X`

What is the difference between ssh -Y and ssh -X? As far as I have understood it, it has something to do with security, but I did not grasp the difference and when to use which.