Postfix :: Blocking extension file
Learn how to block unwanted file extensions in Postfix by leveraging mime_header_checks to enhance your email security. Follow our simple guide to configure your Postfix settings and prevent potentially harmful attachments like .bat and .exe files from reaching your inbox.
MySQL :: dump a few tables
Learn how to efficiently export specific MySQL tables using a simple command-line approach. This guide walks you through the process of dumping tables that match a certain pattern, ensuring your data management tasks are quick and effective.
CentOS :: /etc/bashrc read-only
Learn how to resolve the permission denied issue when attempting to edit the /etc/bashrc file on CentOS. This guide provides step-by-step instructions to change file attributes and successfully add an alias for FTP.