How To Run Unix/Linux Commands

I want to run a shell script on linux and show the output. How can I do this? Thanks a lot

Runtime.exec with the rsh (remote shell) command? "man rsh" for more info.
Thanks,
Brian

Similar Messages

How to run Unix Host commands from Database Triggers?

Hi
I need to create few directories in the Unix O/s under a specific directory (From a Database Trigger). And the directory names will be determined in the DB Trigger based on the data.
I hope someone would have come across a requirement like this and will be able to help me out.
Thanks.
Mohan

Hi Christopher
How is it possible to use System calls from Triggers. Is it possible to use Runtime Libraries in DB Triggers.
Thanks
Mohan
<BLOCKQUOTE><font size="1" face="Verdana, Arial, Helvetica">quote:</font><HR>Originally posted by Christopher Racicot ([email protected]):
Try using the system calls available in
the C runtime library by calling an external
C procedure from the trigger. We will be
enhancing the support in UTL_FILE to address
issues like this in an upcoming release,
but for now an external procedure should
do the trick.<HR></BLOCKQUOTE>
null

How to call unix script/command in ODI

Hello Gurus,
Please let me know how to call unix script/command in ODI?
Thanks
Shridhar

you can call shell script using the OS command found in Package.
Step 1. Drag the OS Command in the Packgae
Step 2. In the Text mentiond call the script say for ex sh /opt/path/script.sh
Step 3. Execute.
Note : Make sure the User through which ODI is triggering does have the required permission to execute shellscript , also always provide the full path , since scripts are execute from the oracldi/bin folder so its necessary to provide the complete path of the script location.
Hope this helps.

How to run a openssl command from a java program

Hi All
Please suggest on how to run a openssl command from a java program.
I am using this
Runtime runtime = Runtime.getRuntime();
runtime.exec("openssl pkcs8 -inform der -nocrypt test.der result.pem");
This is suppose to take test.der as input and create result.pem.
There are no errors but the file result.pem isnt created.
Thanks in Advance

First off is that openssl command correct? Should it be this instead:
openssl pkcs8 -inform der -nocrypt -in test.der -out result.pem
Try out your openssl command within a command prompt so that you know that it works ok. I think the command line you specified waits on stdin (well it does for me).
After that.....
runtime.exec creates a Process object. If you do this:
Process openssl = runtime.exec("....")
then you can examine the return code from openssl to see the exit code - for instance if the input file does not exist then exit = 1. You can test for this with Java
Alternatively you could get the stderr from the process and look inside it - if it is 0 length then all is good, if it has some text in there then it has likely failed. You could then throw an exception and include the stderr output in the exception messgae. You may need to experiment with this, runnig it first when openssl is happy then running it again when openssl is upset.
M

How to run PL/SQL commands in this SQL browser

How to run PL/SQL commands in this SQL browser

This discussion should help Re: my pl/sql codes does not run in express edition what can i do????

How to run a CMD command directly from run ?

How to run a CMD command directly from run ?
Like "cmd md D:\abcd". I did this before. But now I totally forgot how to do that ?
Please help..........

Hi,
To add, here is the command CMD reference:
Cmd
Best regards
Michael Shao
TechNet Community Support

Pls Send Usefull UNIX /LiNUX commands in SAP?

hi,
pls send me anybody what are the useful UNIX/LINUX commands in SAP.
regards,
reddy

Hi brother,
the following commands will help you do it and practice it give rewards....
Copy files one system to another system in network
#mount -t nfs <IPAddress> : /<Source Directory> /<Target Directory>
To Display Clock
#xclock
Check Process Details:
#top
#ps -ef | grep user/process/servicename
Check Memory Size:
#free
Check Disk space:
#df -k (in %)
#df -h (in GB)
Check Subdirectory files
#du /usr

How do run unix command in java

hi
All unix command working fine in our java program.
but i want change user in linux by using java. it's not working.
"su root" This command onely not working.
anybody know help me
This is my ID [email protected]
This my code
<% String s = null;
try{
Process p = Runtime.getRuntime().exec("su root");
BufferedReader stdInput = new BufferedReader(new
InputStreamReader(p.getInputStream()));
BufferedReader stdError = new BufferedReader(new
InputStreamReader(p.getErrorStream()));
out.println("Here is the standard output of the command:\n");
while ((s = stdInput.readLine()) != null)
out.println(s);
catch(Exception e) {}
%>

I don't have further info to add to your first post, but think your guess seems quite reasonable. I thought of starting a new thread on the same topic, but think this (question) fits in here, too.
I have Java code (freeware, not opensoure), intended for Unix, which basically provides the graphical interface and relies on an I/O layer (C + shell scripts) to do most of the work. I have access to the C+shell scripts which are opensource. I ported it to Cygwin and want to use it under Windows (there is no Cygwin native Java VM).
My problem now boils down to " how to run commands under Unix and what differences are there with Windows". What are the variants?
I have to guess what the program is doing when I get an IOException at some point. E.g.: a call to shell script may be made in a different way as to a compiled exe in Unix?. I found a way to bypass path problems because forward slashes are also accepted and /cygdrive/c construct can be replace by c:/; shell scripts can be compiled into exes using shc and they work; if symbolic links are replaced by duplication of exe files, they work. What will happen in an instance whereby a process runs a shell script dynamically, through a pipe (the shell script is compiled in the Cygwin/win version and receives parameters) in a construct like:
pipefp = epopen(cmdbuf,"w"); /* (cmbuf is "makehdr par1 par2 ... ") (makehdr was a shell script and is now compiled exe for Cygwin/Windows) */?.
Thanks.
LT

How to run unix command from Oracle Foms 10g

OS: UNIX Solaries, Oracle Application Server 10g
To run shell script from Oracle Forms, I used the following host('/bin/bash /u01/compile.sh') and it works well
Now, I need to run unix command something like
host('mv form1.fmx FORM1.FMX') but it's not working
I tried to append the command "mv form1.fmx FORM1.FMX" to the compile.sh shell script but also it's not working although the rest lines of the shell script is running well
Edited by: slamonty on Aug 23, 2012 12:36 AM

Yes, Thank you so much, it works well as follow
$ /bin/mv /u01/oracle/runtime/test/form1.fmx /u01/oracle/runtime/test/FORM1.FMX Edited by: slamonty on Aug 23, 2012 9:59 AM
Edited by: slamonty on Aug 23, 2012 11:14 AM

Running a Linux command "clear" from a Java program

Hello. How to run a simple linux command to clear the screen from a Java program. I did the following
Process p = Runtime.getRuntime().exec("clear");
Nothing is happening.

you're not supposed to mess with the shell, youdon't own it and
shouldn't try to dictate what happens with it.
The shell is a multiuser system,What?
The command shell (for example sh, ksh, bash, csh,
zsh) is a process, a command interpeter just like any
other (user mode) program.
yes, and there can be multiple processes writing to it at any one time.
You do NOT have exclusive access to it, nor should you ever assume you do.
In a multiuser system there can be several shells
running on behalf of several users. The same user can
run several shells.
Yes, and each shell can be accessed by multiple processes at any one time.
So what?
Process a writes to the shell.
Process b writes to the shell.
Process a clears the shell, removing whatever process b wrote there.
You've just messed up process b, or at the very least its output.
Do NOT assume you have exclusive access to any shell.

How to run multiple DOS commands from a single Webutil Client_Host session?

Hello all,
I have a requirement where I need to create an interface with SVN from Forms for basic checkin-checkout of files.
So, I've been trying to use webutil client_host to open a command line session and issue svn commands.
For svn, sometimes I need to give multiple commands like change to a particular directory and then run an svn command.
But client_host takes in only one command at a time and I'm unable to issue a series of DOS commands to perform
a particular task.
Is there a way to do this?
Pls suggest.
Regards,
Sam

First your original question... You can put more than one DOS command on a single line, simply separate each command with an ampersand (&). For example:
mkdir c:\abc & cd abc & dir*
Regarding your concerns about performance, well that would depend on exactly what you mean. Using CLIENT_HOST (or HOST on the server) simply opens a shell (DOS in this case) then passes your command to it. The performance of performing this action really isn't measurable. Basically you are just pressing a button and you should get a near immediate action. As for the performance of executing each command, that has nothing to do with Forms. Once the command is passed to the shell, the rest is a function of the shell and whatever command you passed.
Having said that, if you were to write something sloppy like a loop (in pl/sql) which called CLIENT_HOST lots of times repeatedly, then yes there would be a performance problem because the pushing of the button will cause an exchange to and from the server and each cycle in the loop will do the same.
So the answer to how performance is impacted will depend on what exactly you need to accomplish. If it is a single call to CLIENT_HOST, this should be fine.

How to Run Operating System Command Before/After Message Processing SAP PI

Hi,
We are trying to execute multiple commands via "Operating System Command Before/After Message Processing".
When we use single command say for example cp or mv (copy or move) the commands get executed fine.
eg: cp %F /var/opt/data/outbound/Test/Dummy.txt
/this works fine/
when we club commands together or try to redirect the outputs of commands, none of the commands get executed.
eg:
cp %F /var/opt/data/outbound/Test/Dummy.txt ; rm %F
or
wc -l %F > /var/opt/data/outbound/Test/Dummy.txt
Is it possible to execute multiple commands or redirect the output of commands without using a shell script? The PI server we are working on iis hosted on UNIX environment.

Hi Harleen,
try like this
cp %F /var/opt/data/outbound/Test/Dummy.txt ; rm %F
instead of semicolon try this
(1) &
command1 & command2
Execute Command1 and then execute Command2
(2) &&
command1 && command2
Runs the command2 only when command1 doesn't Complete successfully
(3) ||
command1 || command2
Runs the second command if the first command had an error
(4) ()
(command1 || command2) || (command3 & command4)
Defines the order in which commands are to be executed
Regards
Suraj

How to run a HOST command from Report 2.5

Hello everybody,
I want to pass an unix command from a Report. I am running the report (Report 2.5) on an Unix server and I want to pass a unix host command inside the Before Report Trigger of the report. But Report2.5 is not recognising the HOST built-in. Is there is any way around?
Thank in advance.
Samujjwal Basu

First off is that openssl command correct? Should it be this instead:
openssl pkcs8 -inform der -nocrypt -in test.der -out result.pem
Try out your openssl command within a command prompt so that you know that it works ok. I think the command line you specified waits on stdin (well it does for me).
After that.....
runtime.exec creates a Process object. If you do this:
Process openssl = runtime.exec("....")
then you can examine the return code from openssl to see the exit code - for instance if the input file does not exist then exit = 1. You can test for this with Java
Alternatively you could get the stderr from the process and look inside it - if it is 0 length then all is good, if it has some text in there then it has likely failed. You could then throw an exception and include the stderr output in the exception messgae. You may need to experiment with this, runnig it first when openssl is happy then running it again when openssl is upset.
M

How to run form from command prompt

Hi,
How to run a form from command prompt
can anybody suggest me the way
prasanth a.s.

Well, if you are running windows, client server forms 6i, and your form is called 'myform', you could put this into a batch file :-
start ifrun60 module=myform

How to run keytool gencert command?

Hi,
I tried to build a local Certification Authority for development purposes.
I use keytool.
Commands genkeypair and certreq work fine.
But when I run -gencert command I receive an message Illegal option....
What is more gencert command does not appear in the list of available options keytool help as well.
How to activate or run keytool gencert command?
I use Windows XP SP3. I tried Java 5.22, 6.17 and 6.22.
Thank you in advance.
ysa

But when I run -gencert command I receive an message 'Illegal option...'. That's because there is no -gencert command. You made it up.
What is more -gencert command does not appear in the list of available options keytool help as well. That's because it doesn't exist.
I suggest you try using a command that exists. You've found the documentation. Believe it.

How To Run Unix/Linux Commands

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