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Top Forums Shell Programming and Scripting Doubt in the daemon running script Post 302441684 by mani_isha on Monday 2nd of August 2010 04:17:18 AM
Old 08-02-2010
Doubt in the daemon running script

Hi
I was going through one of my pjct script .Please let me know the logic for the deamon is running or not as i think the condtn should be vice-versa.

Code:
daemon_list = 'idp1278'
FAIL=0
for p in ${daemon_list}
do
  fail=0
  ps -fu  workarea  | grep ${p} > /dev/null 2>&1
  if [[ $? -ne 0 ]] then
    fail=1
    msg="${p} daemon is down"
    print -n "${p} is down"
  else
    msg="${p} daemon is up"
    print -n "${p} is up"
  fi

**where workarea is the hostname .
idp1278 i sthe daemon name .

when the process is running ,it is showing as below command :
Code:
ps -fu  workarea  | grep ${p} ->where $p is dp1278
 
workarea 28907 5374 1 02:41:54 pts/14 0:00 grep idp1278 workarea 6058 1 0 00:05:21 ? 0:00 ptr_DmnEnvelope idp1278L idp1278daemon_Sh.

My doubt i s:
1>when ? is coming the process is running actually but in the script it is wriiten if [? is !0 ]then daemon not running .. .what is the actual logic to check the daemon running .

2>ps -fu workarea | grep ${p}/dev/null 2>&1
where $p is idp1278 .

when i executedthe above script nothing came and it took me to next command prompt.At this time the idp12278 daem,on was running in my env .

Also please let me know why this command is used /dev/null 2>&1

Last edited by pludi; 08-02-2010 at 05:49 AM..
 

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smccompile(1M)						  System Administration Commands					    smccompile(1M)

NAME
smccompile - build class list and compile Solaris Management Console service beans for remote use SYNOPSIS
/usr/sadm/bin/smccompile -c beanname /usr/sadm/bin/smccompile -j tool | service [-n altjarname] jarfile /usr/sadm/bin/smccompile -j library [-n altjarname] ALLTOOL | ALLSERVICE | ALL | attachedBeanname jarfile DESCRIPTION
The smccompile command is used by developers of tools, services, and libraries for the Solaris Management Console. For information regard- ing the Solaris Management Console, see smc(1M). smccompile compiles service class files given by the bean name for use with the Solaris Management Console. This step builds the extra proxy and stub classes for services to be used with Solaris Management Console tools. Solaris Management Console requires running smccom- pile -c before creating service jar files, and smccompile -j after creating tool, service, and library jars. smccompile, in conjunction with smcregister(1M), is intended to replace the smcconf command as the preferred interface for managing the Solaris Management Console repository as well as toolboxes from within scripts, due to significant performance enhancements over smcconf. OPTIONS
The following options are supported: ALL Specify that the library being registered to or unregistered from the repository is for use by all tools and services. ALLSERVICE Specify that the library being registered to or unregistered from the repository is for use by all services. ALLTOOL Specify that the library being registered to or unregistered from the repository is for use by all tools. attachedBeaname Specify the name of a registered jar to which the library jarfile should be attached to (or detached from). This is typi- cally the same as altjarname (if provided) or jarfile used to register the jar to which this library is being attached or detached. An attached library means the library is only available for use by the tool or service to which it is being attached. beanname The full package path of the bean name to be compiled. An example bean name is: com.mycompany.myproduct.MyService. -c Compile and build service class files for the specified bean name. This step builds the extra proxy and stub classes for services to be used with Solaris Management Console tools. You must run smccompile with this option before creating service type jar files. -j Build a list of classes in text format, suitable as input to smcregister for registration with the Solaris Management Con- sole repository. The output is written to standard out and should be redirected to a file. You must run smccompile with this option after creating any tool, service, or library jar. jarfile Specify the full path to the jar file to be registered. The name must be in the form beanname.jar, where beanname is the package path to the bean. If it is not, an alternate name must be given in that form using the -n option. -n altjarname Rename the jarfile in the repository to altjarname. Typically. this is the full bean name. For example, if the jarfile was MyTool.jar, then altjarname might be com.mycompany.myproduct.MyTool.jar. It is recommended that an altjarname containing the full package path be used. You must use this same name when registering the jar with smcregister. EXAMPLES
Example 1: Compiling a Service The following command takes a Solaris Management Console service and builds its proxy and stub classes to make the service usable by Solaris Management Console tools: /usr/sadm/bin/smccompile -c com.mycompany.myproject.MyServiceImpl Example 2: Building a Class List for a Service The following command builds the class list file (classlist.txt) for a service suitable for use with the smcregister(1M) command: /usr/sadm/bin/smccompile -j service -n com.mycompany.myproject.MyServiceImpl.jar ${HOME}/workarea/MyServiceImpl.jar > classlist.txt The following command does the same thing without specifying an alternate name: /usr/sadm/bin/smccompile -j service ${HOME}/workarea/com.mycompany.myproject.MyServiceImpl.jar > classlist.txt Example 3: Building a Class List for a Tool The following command builds the class list file (classlist.txt) for a tool suitable for use with the smcregister(1M) command: /usr/sadm/bin/smccompile -j tool -n com.mycompany.myproject.MyTool.jar ${HOME}/workarea/MyTool.jar > classlist.txt The following command does the same thing without specifying an alternate name: /usr/sadm/bin/smccompile -j tool ${HOME}/workarea/com.mycompany.myproject.MyTool.jar > classlist.txt Example 4: Building a Class List for a Library Attached to All Tools The following command builds the class list file (classlist.txt) for a library suitable for use with the smcregister(1M) command, and is attached to all tools: /usr/sadm/bin/smccompile -j library -n com.mycompany.myproject.MyLibrary.jar ALLTOOL ${HOME}/workarea/MyLibrary.jar > classlist.txt The following command does the same thing without specifying an alternate name: /usr/sadm/bin/smccompile -j library ALLTOOL ${HOME}/workarea/com.mycompany.myproject.MyLibrary.jar > classlist.txt Example 5: Building a Class List for a Library Attached to a Specific Tool The following command builds the class list file (classlist.txt) for a library suitable for use with the smcregister(1M) command, and is attached to a specific tool: /usr/sadm/bin/smccompile -j library -n com.mycompany.myproject.MyLibrary.jar com.mycompany.myproject.MyTool.jar ${HOME}/workarea/MyLibrary.jar > classlist.txt The following command does the same thing without specifying an alternate name: /usr/sadm/bin/smccompile -j library com.mycompany.myproject.MyTool.jar ${HOME}/workarea/com.mycompany.myproject.MyLibrary.jar > classlist.txt ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables that affect the execution of smccompile: JAVA_HOME If you do not specify this environment variable, your PATH is searched for a suitable java. Otherwise, the /usr/j2se location is used. EXIT STATUS
The following exit values are returned: 0 Successful completion. 1 An error occurred. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWMc | +-----------------------------+-----------------------------+ SEE ALSO
smc(1M), smcconf(1M), smcregister(1M), attributes(5), environ(5) NOTES
All standard shell quoting rules apply. SunOS 5.10 17 Jul 2001 smccompile(1M)
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