Are you a CentOS or Ubuntu user who wants to learn how to secure your Cloud/VPS VM? Some tips and best practices for securing your Cloud server include changing SSH default ports, disabling password-based authentication and performing regular backups and updates.
Securing OS is as important as your website, web applications, online business. You may be spending on security plugin, WAF, cloud-based security to protect your site (Layer 7) but leaving OS unhardened can be dangerous.
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