Linux vs Windows – The Battle for Supremacy

Just in case you haven’t noticed, we at LinuxNimbus.com prefer Linux OS to Windows OS. We believe that Linux is the best operating system. That is evident by the name…

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Bareos Backup Server

A backup server enables one to backup data, files, applications and databases either locally or remotely. It can be a combination of software and hardware technologies that provide storage and…

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Configuring Postfix in RHEL 7 to relay emails through Zoho Mail

Below is a guide on how to setup Postfix mail server on RHEL 7 to relay emails through Zoho Mail. There are a number of reasons as to why you…

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The Linux Boot Process

Here, we are seeking to understand what exactly happens when a Linux machine is powered on. Depending on your hardware configuration, the firmware that is responsible for system startup will…

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Determining and Configuring Hardware Settings

When setting up a PC to have Linux installed, one needs to familiarize themselves with the devices installed on their system and how they are configured. Some of these items…

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Decoding your sysadmin career path

The roles of system administrators in an organization have evolved greatly over the years. Sysadmins no longer operate in isolation but are right at the center of day-to-day activities in…

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DevOPs: What it is and why it is needed

What is DevOPs DevOps(Development and Operations) is the practice of bringing together operations and development where engineers work together in the entire product life cycle; from the design through the…

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OpenSSL

OpenSSL is an open source implementation of Secure Socket Layer(SSL) and Transport Layer Security for web authentication. The core library is written in C programming language and it offers cryptographic…

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Data Encryption : PGP and GPG

Data that can be read and understood without any special measures is called plaintext. The process of disguising plaintext to hide its meaning and substance is called encryption. When a…

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Commands to check memory usage in Linux

Having sufficient physical memory (RAM) on your system is critical for processes to run efficiently. Once the memory runs out, your system will start using the swap space and this…

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