Windows - locate service running on a port
The first step is to locate the process ID running on the port you are trying to access.
Recover deleted data from a table in oracle with flashback
If you deleted records in an oracle table that you did not intend to, oracle flashback may be of assistance. You might need to alter the table to enable row movement.
oracle query to check all tables a user has select privilege to
Query to check all tables with select privileges assigned to a user in oracle.
sqlplus error on XE ORA-12154: TNS: could not resolve the connect identifier specified
Make sure the password for SYS or SYSTEM does not contain special characters like @ or !
SNIMissingWarning
I kept getting this error in a python 2 environment. Installing the below modules help solve the warning.
Linux file permissions
Anatomy of file permissions within the linux distro
How do I find all files containing specific text on Linux?
The grep command.
Cannot resolve the name to a(n) 'type definition' component
To generate java stub classes from xsd, we use the xjc utility that comes with the JDK. I received a couple of error while generating the stubs for a particular project i was working.
How can I see the size of files and directories in linux?
The du command.
python ssl module is not available
The solution was to install a newer version of openssl and rebuild python while pointing to the new installation.