Tutorials

Linux :: su: cannot set user id: Resource temporarily unavailable

Struggling with the su: cannot set user id: Resource temporarily unavailable error? Discover a simple fix by adjusting the limits in...
Sysadmin.ID
13 sec read

WordPress :: Add Admin User using MySQL Command Line

Learn how to effortlessly add an admin user to your WordPress site using MySQL command line commands. Follow these simple steps...
Sysadmin.ID
35 sec read

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 :: Change user password

Learn how to easily change a user's password in MySQL with a simple command in the terminal. Discover step-by-step instructions and...
Sysadmin.ID
5 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