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1. Overview After finished installing a new RHEL/CentOS 7 server, there are some primary configurations that we need to do to ensure that the new server is ready for any further services/applications installation and configuration. The following tutorial will covers some initial tasks that is needed to be done…
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1. Overview In this article will describes the installation of a CentOS 7 Linux dedicated server. The main purpose of this guide is to provide a secure linux dedicated server from scratch with Logical Volume Manager (LVM) created during the Operating Systems (OS) installation. The reason to have a…
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1. Overview In this article, we will configure Postfix on CentOS 7 as a Mail Gateway for internal MS Exchange 2013 Server or any other back-end E-mail server. This systems provides several advantages such as blocking unwanted traffic, virus-scanning ,spam prevention, and reduce load on the internal back-end mail…
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1. Overview There are three critical security reasons to set a password to protect a Linux boot loader. First of all, It is to prevent the access to Single User Mode. If attackers can boot the system into single user mode, they are logged in automatically as root without…
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1. Overview Since in Linux everything is a file, mostly you edit files when working with Linux. There are several text editors out there in Linux, choosing the right one to be your favorite is depend. Personally, from my point of view, I think people prefer text editor “vim”…
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1. Overview It is the security best practice that the root user is not recommend to login to the system whether from console or remotely. It is recommended to use normal user to login to the system and use command “sudo” to perform the task that required root privilege….
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1. Overview After finished installing a new Debain 8.x server, there are some primary configurations that we need to do to ensure that the new server is ready for any further services/applications installation and configuration. The following tutorial will covers some initial tasks that is needed to be done…
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1. Overview When we install a new Linux Operating Systems (OS), it is a difficult decision to set how much space for each partition because those partitions would be filled up quickly for some reasons. With Logical Volume Manager (LVM) created during a Linux Operating Systems (OS) installation, we…
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1. Overview Sometime ago if you want to play around with VMware vSphere Hypervisor, the ESXi host, you need to have a dedicated server hardware with a CPU that support virtualization technology. Luckily,the new version of VMware Workstation now can support ESXi host, the VMware vSphere Hypervisor. In this…
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