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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...
Sysadmin.ID
10 sec read

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...
Sysadmin.ID
8 sec read

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...
Sysadmin.ID
19 sec read