All Questions
16 questions
1
vote
1
answer
465
views
Exception in thread "main" java.awt.HeadlessException: No X11 DISPLAY variable was set, when starting java program per ssh
My java program should open the default browser and open a link. When I local start the java program on my ubuntu server it works just fine, but when I start the program per ssh it gives me this error:...
- 73
0
votes
1
answer
349
views
Run Swing GUI through SSH terminal with Ubuntu client and server
I am testing out a program on a headless PC with Ubuntu 20.04 loaded. On my development PC (client) I package the program into a jar and copy the jar to the headless PC (server) using ssh. The jar ...
- 177
-1
votes
2
answers
2k
views
Hadoop NameNode Web Interface
I have 3 remote computers (servers):
computer 1 has internal IP: 10.1.7.245
computer 2 has internal IP: 10.1.7.246
computer 3 has internal IP: 10.1.7.247
(The 3 computers above are in the same ...
0
votes
0
answers
236
views
jcraft.jsch using ssh Key
After reading the risks in cause of using : session.setConfig( "StrictHostKeyChecking", "no" );
i want to change it.
So I get the public ssh key on a ubuntu 20.04 with : ssh-...
- 1
0
votes
0
answers
64
views
Fail to run `sudo ./sbin/start-dfs.sh` with Hadoop3.0.0 beta1 in Ubuntu 16.04(VMware Workstation14)
I try to deploy a distributed system with Hadoop3.0.0beta1 in Ubuntu16.04, and I have configured the ssh protocol and all my nodes can login without password.
But When I try to run sudo ./sbin/start-...
- 15
1
vote
1
answer
696
views
selenium server, selenium client, on an UBUNTU GUI server
i have a VPS with ubuntu 14.04 LTS and with the desktop package installed, that mean I can launch firefox from a ssh -X session.
To make tests, I launched from my server the selenium standalone server ...
- 177
1
vote
2
answers
13k
views
How to open 8080 port to listen HTTP request from remote computer in ubuntu? [closed]
I have run following command :-
nmap localhost
and get following result :-
Starting Nmap 6.40 ( http://nmap.org ) at 2015-08-28 09:52 UTC
Nmap scan report for localhost (127.0.0.1)
Host is up (0....
0
votes
1
answer
92
views
Command execution in ubuntu
My server is running on OS ubuntu 10.4.
When I run command "skype -callto userid" it makes a call using Skype user interface.
But when I run same command by connecting via SSH or
java code
...
- 496
0
votes
0
answers
274
views
How do I start a browser in a remote ubuntu system?
I am running two Ubuntu 12.04 machines. Machine A needs to start a browser (firefox or chrome) on machine B but it is not required for it to see the browser window. It just needs to start the browser ...
- 55
6
votes
1
answer
2k
views
Build artifacts over ssh jenkins - PHP
Copy only the changed file in bitbucket to the development server , using send build artifacts over ssh jenkins - PHP
HI i am using jenkins and bitbucket , when ever my files changed in bitbucket my ...
- 17.6k
1
vote
3
answers
1k
views
Copy a file in ubuntu to windows using putty - ssh from windows
I Have to copy a .csv file in my ubuntu machine into my windows machine by standing in windows itself. That is I have to do the copying process by running putty or anything like that from windows ...
- 8,508
0
votes
0
answers
1k
views
Permission denied error for "ls" operation on SFTP server through Java API
I've an SFTP server with appropriate credentials setup.
I've an admin user on that machine, which has certain rights to perform certain actions.
So, I've edited the sudoers file to add action like ...
- 46.4k
5
votes
3
answers
4k
views
Deploy JavaFX on Ubuntu server without display
I'm developing a JavaFX application using jdk1.7.0_51 on Mac OS X (10.9.1) in Netbeans. I can run it without a problem and after a clean build I can also launch the jar from the dist/ folder.
Now I ...
- 5,066
-1
votes
1
answer
69
views
Connecting to ubuntu instance in amazon ec2 without java
How can I connect to an ubuntu instance in amazon ec2 from my ubuntu pc without using java?
- 261
1
vote
1
answer
6k
views
java application and x11 forwarding
I need to start jperf on virtual server. I configured X11 forwarding via ssh. xclock - is working. But if I start jperf I get:
user@client-32:~/sandbox/jperf-2.0.2$ sh jperf.sh
Exception in ...
- 435