tips

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

chown :: Change User / Group Only

Learn how to efficiently change file ownership using the `chown` command in Linux, whether you want to update the user owner...
Sysadmin.ID
7 sec read

Linux :: Compiling MP4Box

Learn how to easily compile MP4Box on Linux with our step-by-step guide, from downloading essential files to checking your installation. Follow...
Sysadmin.ID
20 sec read