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How to Delete Last Field in Linux

Sometimes you may need to get the last field in a file or command output, or remove last field in Linux. Here is how to delete last field in Linux.

It is important to secure Apache server against malicious attacks. Here is how to harden Apache Web Server on CentOS.

Sometimes you may need to display specific columns in Linux. Here are the steps to do so.

Sometimes you may need to get open connections or check active connections in PostgreSQL. Here is how to list active connections in PostgreSQL.

Swap space is used as memory in operating system. Here is how to create swap space in Ubuntu/Debian.

Sometimes you may need to repair MySQL databases & tables as they grow. Here is how to repair MySQL databases & tables.

Sometimes you may need to optimize MySQL tables to improve query speed and performance. Here is how to optimize MySQL tables.

Sometimes you may need to run cURL command for REST APIs. Here is the cURL command to call REST API.

Sometimes you may need to delete git tags. Here are the steps to remove git tags from repository.