How to Remove/Uninstall Nginx Installed from Source on CentOS 7 / RHEL 7

Nginx web server which is growing in popularity because it focuses on high concurrency, high performance while maintaining low memory usage. However, due to certain reasons webmaster can not use Nginx server. For server on CentOS 7 and RHEL 7, removal step for Nginx is quite different from older version. Therefore, in this article, I…

How to Grant a New User to Root Privileges on CentOS 6 / CentOS 7

One recommended way to manage virtual private server (VPS) or a dedicated linux server is not using the root account as the main access for SSH login. This is because usually the hackers will try to brute force your root password and potentially get access to your server. Instead of using the default root account,…

How to Hide PHP Version in Linux

In general, most of the web server software has been installed with default settings that will lead to information leakage. One of them is a PHP software. PHP (Hypertest Preprocessor) is one of the most popular server-side HTML embedded scripting language for the websites today. In the current challenging times, there are lots of attacker…

How to Reclaim Free Space for Linux Root Partition using Zerofree

This article discussed about how we can reclaim the free space for linux root partition that was implemented using thin provisioned disks in Linux VMware virtual machine (VM). Common advantages by implementing thin provisioned disks in VMware is the administrator are able to over-allocate storage because the provisioned thin disks consume only the space used.…

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