Send Mail through UNIX HP-UX

For sending mail through HP-UX please use the following command

#uuencode (filename) (filename) | mailx -s "subject" (email ID)

eg:

#uuencode FBISacc1 FBISacc1 | mailx -s "Filesend" manaskv@in.ibm.com

Additionally we can zip and unzip files in HP-UX with below commands:

#zip (zipfilename) (original filename)

#uzip (zipfilename)

Netstat to find out if the port is open or closed

You may use the below command to find if the port is open or closed on a UNIX system:
-) netstat -a grep PID
if the porcess says CLOSE_WAIT, it means that the port is blocked.

Shared memory error in java

If Java engine doesn't start and there is shared memory error and the java logs says that ORA-28000 Account is locked, then check by command desc dba_users and fire query
-) select username, account_status from dba_users;

to find out the status for sapsr3db user; If it is locked then unlock the same with command;
-) Alter user sapsr3db account unlock; ( Here sapsr3db is for Java alternatively sapsr3 will be for ABAP)
After the same gets unlocked there is a SAP Note 951167- ORA-28000; the account is locked you can prevent the same from unlocking again;
To check FAILED_LOGIN_ATTEMPTS profile ;

Select limit from dba_profiles where profile='DEFAULT' and resource_name ='FAILED_LOGIN_ATTEMPTS';

If the limit is not set to unlimited, you may set the same with the following command;
Alter profile DEFAULT LIMIT FAILED_LOGIN_ATTEMPTS UNLIMITED;
:)

tail command to follow the log file continuous upgrade

tail -f (name of log file)
( The tail -f command can be used to monitor the growth of a file being written by another process)

How to check configuration AIX including machine make

#prtconf more

What to monitor on Java System - nutshell

You may quickly monitor the java system by :
1) Accessing the URL
2) System Info - All processes are running
3) Default trace and application trace for Server0 and Dispatcher
4) JCMON
5) sappfparcheck for all java profiles

Standalone TREX Installation

If you are using a standalone TREX installation then configure the RFC with the central instance of ABAP not with the application server ( the same can happen if you have installed TREX on sam application server)

Other thing to keep in mind is that the https:// service should be running and if you install 32-bit TREX on a 64-bit system then there is a work around to do the same.