I want to execute Linux commands using a Java program. I came to know that we can use Runtime.getRuntime().exec("commands") to execute the commands through the program. I'm new to both Linux and Java.
View 2 RepliesI have a jsp code. After executing that code, a Java program should be executed without refreshing the page. that is, my first page is a login page which is in jsp. After logging in the next page must be displayed which is a Java code. is that possible? Can we use applet for that?
View 1 Replies View RelatedI got to the prompt in the subject line. Then I typed grep /sounds/ and return.Then the program stopped responding to commands. I could type things, but nothing happened. Not even when I typed kill -9 and return.Why did the thing freeze up? I don't think there is folder /sounds/.
View 2 Replies View RelatedI just got linux yesterday, ubuntu 9.1, with the wubi installer. I have no previous knowledge of linux and I am having a very hard time working out how to install or run any programs, at the moment I'm trying to get java to work.
View 4 Replies View RelatedIs it possible to create a symbolic link that include commands for the program?
For instance, I do the following to start the program:
./script -somecommannd
I would like to create a symbolic like that includes "-somecommand"
Is this possible? or would I need to create a second script that executes that command, and link to that script?
So this picture will explain [URL].. So after i typejj java -jar RSBot-257.jar it should have to come ijj up.It doesent show any errors but doesent start.What to do?
View 1 Replies View RelatedI am facing problems to restart PADS(Passive asset detection system) from java program.I used the root as a user. So from the command prompt I can start PADS with out sudo ,but when I try to start PADS from the my java program i.e.
Process proc=Runtime.getRuntime().exec("pads restart");
It throws the error in log that FATAL error ! you not root and permission denied.
Then I tried the same with sudo
Process proc=Runtime.getRuntime().exec("sudo pads restart";
Here it create another two process extra
1 for stop the pads
2) for start the pads
It does not kill the previous process of PADS .and both the process get hung.
i just grabed a book and wrote a program and tried to compile it using 'javac' and everytime i'm getting this error:
javac Example.java
/usr/lib64/gcc/x86_64-suse-linux/4.3/../../../../lib64/crt1.o: In function `_start':
/usr/src/packages/BUILD/glibc-2.9/csu/../sysdeps/x86_64/elf/start.S:109: undefined reference to `main'
[Code]....
How to run java programs on linux .Do i have to install any other software to run java program in my virtual linux system.I use Ubantu.
View 1 Replies View Relatedhow we can we write java programs in java and how we execute it.. to produce output?
View 2 Replies View RelatedFor monitoring a network [LAN] I need a single C/C++ program using unix commands to retrieve the username, associated static IP address, what time user logged in, log out, total time system used by user. so that if a system has several users who used it @ different times of the day... then i need details of all users me,time of log in, static IP &all
View 1 Replies View RelatedIs there any way to run commands of other programs from the terminal?opened a doc file from the terminal using>openoffice.org filename.docis there any way to executeSELECT ALL[ctrl + a] orCOPY [ctrl + c]from the terminal?
View 2 Replies View RelatedI've just installed java (jre-6u21-linux-i586.bin) on Red Hat 4.4 AS and issued this command to check the java version: java -versionand got :bash :java: command not found
View 4 Replies View RelatedI'm a noob in Ubuntu. I need the program which will help me to learn different ubuntu commands. I often forget them and after reinstall I don't want to search them in Google. Now I write them in the standard text editor and my code looks like this:
Restore MBR:
Delete GRUB (fixmbr)
Ubuntu terminal then:
sudo apt-get install ms-sys
sudo fdisk -l
[Code]...
In below program I want to add (as part of the valid_cmds string) the pwd (print working directory), lo (logout), and cd (change directory) commands. However when I add those into original program ;
char *valid_cmds = " ls ps df pwd lo cd";
they are not working I have the cout message huh?
Original source code is below code...
I'm interfacing with a device using putty and right now I have to use a reference document to dissect the data I'm sending and receiving. I'd like to build a program that can build packets according to user input and then dissect them upon receipt; basically an [ english <=> proprietary packet structure ] program that talks to the device via USB. The packets come in varying sizes, but are composed of well-defined fields and values.
View 6 Replies View RelatedI have a problem starting a java program.
I installed and am trying to run Antelope an ant file editor. When I try to start antelope I get the trace-back listed below.
When I first tried to start Antelope it asked me where ant/lib was located. I pointed it to /usr/share/ant/lib which has 3 jar files named ant.jar ant-bootstrap.jar and ant-launcher.jar.
I am running in Fedora14. With java version "1.6.0_20"
OpenJDK Runtime Environment (IcedTea6 1.9.7) (fedora-52.1.9.7.fc14-i386)
OpenJDK Client VM (build 19.0-b09, mixed mode) and javac 1.6.0_20
When I try to start it I get
Code:
I have tried it 2 ways, one with the environment variable ANT_HOME set to /use/share/ant/lib - which has some 3 jar files - and also to /home/knox/apache-ant-1.8.2/lib which has about 25 jar files. Same error message both ways.
Trying to use the html editor 'Arachnophilia'... here are the instructions on their website. ".Open a command console (Linux: shell console), move to the Arachnophilia program directory, type "java -jar Arachnophilia.jar" For convenience, this command can be made part of a shell script, and those using X windows can easily make a desktop icon." hoping someone can explain how to run this program.. using a new install of fedora 12 (which has java)...i'm a newbie, trying to go open source on a low end laptop - LOVE Fedora .[URL]..
View 14 Replies View RelatedI have a java program with gui. I want to start this program in the start of system (rc3.d) and when I connect to the machine bring to front without open another time the program. I want to connect to opened program in the start of system.
View 1 Replies View RelatedHow can i do Java programming on ubuntu.
i mean how to install java on ubuntu.
i tried but fail to install jdk.
How to make a shortcut to a program?
It's a Java program started by a shell script
#!bin/sh
java -jar LinShredder.jar
It starts okay in its original folder, but when I link to it from e.g. the desktop it doesn't work.
I have ubunto 10_4 X86-64 (I use putty to connect)
installed apps
screen
mysql server-client
my java program
open jdk* 64bit
apanche2 (the web server stuff)
and its aVPS machine
Xeon 2.0 64bit 4 GB ram
How can I make (or force) my java program to use more then 1 core? I would like it to be using just 5 of the 6 that I have. I use a .sh to run it this is the code for it.
Code:
#!/bin/bash
cd "${0%/*}"; java -Xshare:auto -Xmx2662M -jar craft.jar
I would like that my java program continues executing when I close the ssh connection, how can I do that? I suppose I have to create a service, but I have no idea how to do it!
View 3 Replies View RelatedIs it possible to debug remotely a java program with ddd (data display debugger)?
View 2 Replies View RelatedI am trying to write a java program and eventually a web app to do the following.1. get the server name, username, password from the user and ssh to the linux box.2. goto a folder, open a script file (the file has different function calls, I need to comment all other function calls and just un-comment the one I want to use)
#call_1
call_2
#call_3
[code]....
I Want to Develop Network Scanner Software. For that i need "Java Program to Display All IP Addresses in LAN".
View 3 Replies View RelatedIn gui validation if user enters string in integer requiring field, a dialog box pops out. So on clicking the button i want to stop the program execution and return to the previous jframe(either the same one or newly created object of it).
How can i handle this in java.
I tried calling main(); but it doesn't work.
Also System.exit(0); doensn't work.
I am trying to create a RS232 C program that executes a series of commands down the line to a robot. Everything seems to work fine, except any sequential write to the serial port. At first I thought it was the UART's buffer being filled too fast, but even with a 50 uS delay it still throws the error.
Here is my code:
Code:
#include <termios.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/signal.h>
#include <sys/types.h>
[Code]...
I've got a database and I've got a Java program that I'm programming in Netbeans that is suppose to run queries to the database. how I will set about to connect the database with the Java program so that I can run the queries?
It is very important that I learn how to do this, else I am forced to go back to XP in order to finish this project on time.
i need a program for Encryption and Decryption using RSA algorithm in JAVA ..
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