Fedingo

How to Save Grep Output to File in Linux

Sometimes you may need to write grep output to file. Here is how to save grep output to file in Linux.

Sometimes you may need to force users to download files from your website. Here is how to force download file in NGINX.

Sometimes you may need to host multiples sites on a single Apache server. Here is how to configure multiple virtual hosts in Apache.

Very often you may need to cleanup disk space in Linux to make your system run faster. Here is how to free up disk space on your system.

Often you may need to add response header in NGINX. Here is how to set response headers in NGINX.

Sometimes you may need to combine two files or concatenate contents of multiple files. Here is how to combine two files in Linux.

Sometimes you may need to filter logs by time range or date range. Here is how to filter logs between date range in Linux.

Sometimes you may need to verify checksum in Linux. Here are the steps to verify file checksum using md5, sha256 algorithms.

Sometimes you need to export to PDF or export HTML to PDF in your python application. Here is how to create PDF file in Python.

Sometimes you may need to redirect IP to domain URL in NGINX server. Here are the steps to redirect IP address to website domain in NGINX.