Ashley B.

Content Writer ( 280 Articles )

Hi! I’m Ashley, a Linux Administrator with a passion for making Linux simpler and more accessible for beginners. Since 2021, I’ve been writing friendly, practical guides at OperaVPS to help users install software, use the command line, and get comfortable with their VPS. Linux doesn’t have to be intimidating. and I’m here to show that anyone can learn it with the right support and a little curiosity.

Steps to Install and Set Up MongoDB on CentOS

Install and Set Up MongoDB on CentOS

MongoDB is a free and open-source document-oriented database. It is a scalable and flexible NoSQL database independent of the traditional table-based relational database structure. So, JSON-like documents are used. In this article, you will learn how to install and set up MongoDB on CentOS. It supports most 64-bit versions of Red Hat Enterprise Linux (RHEL), […]

manjaro vs arch linux

Manjaro vs Arch Linux

How can we know which distribution is better to use? Manjaro vs Arch Linux could be a dilemma for those who are tired of the same old operating systems and looking for a new challenge. To have a full Linux experience you can buy cheap Linux VPS for several reasons including server security hardening and […]

Fix Umount Target is Busy Error in Linux

Fix “Umount Target is Busy” Error in Linux

While transferring data in any computer, if you unmount a USB flash driver/Data storage while it is still busy on it, you face the error ”device is currently in use” While unmounting a device/portion on Linux, the same error occurs after running the umount command.

Install and Configure SMTP Server with Postfix on Ubuntu

Install and Configure SMTP Server with Postfix on Ubuntu

SMTP (Simple Mail Transfer Protocol) uses a program to send, receive, and relay outgoing emails between senders and receivers on mail servers. In this article, you will learn How to Install and Configure SMTP server with Postfix on Ubuntu Email communication would not be possible without it since SMTP chooses which servers will receive your […]

Connect to Linux Server from Windows

How To Connect to Linux Server from Windows [Using Putty SSH]

Putty is a free and open-source cross-platform that allows you to connect to a Linux server and access your Linux server. This software also supports Telnet and Rlogin protocols. This program must be downloaded and installed before connecting to your Linux server. Instead of using the built-in Linux systems, Linux PuTTY is used. Linux distributions […]

How to Install Elasticsearch on Ubuntu

How to Install Elasticsearch on Ubuntu

Elasticsearch is a distributed, open-source search and analytics engine designed for handling large amounts of data. It is built on top of the Lucene search library, and it provides a scalable and efficient way to search, analyze, and visualize data in real-time.

Solutions to Fix Ubuntu not booting

How to Fix Ubuntu not booting? [boot repair & other ways]

Ubuntu boot issues might occur because of bootloader problems, Grub issues, etc. Boot repair Ubuntu is one of the used tools to fix Ubuntu boot problem and repair common Linux not booting issues. To use the Linux boot repair tool, the below steps are required: Create a bootable USB with GPT partitioning. Boot your computer […]

fedora vs ubuntu

Fedora vs Ubuntu

The large family of Linux by presenting each of its distributions makes users more attracted to the Linux operating system because with each of the Linux distributions you can experience an exciting world with diverse and helpful features. Ubuntu and Fedora are two popular and prominent Linux distributions that, along with their similarities, their differences […]

top linux mail servers

Top 15 Linux Mail Servers

It is fair to say that sending and receiving emails were our first connections to others through the internet. Emails are sent and received by mail servers based on a combination of many interconnected servers. In this article, top 15 Linux mail servers will be introduced to help you know and use them. This content […]

Secure Nginx using Let's Encrypt SSL on ubuntu

How to Secure Nginx using Let’s Encrypt SSL on ubuntu

In any website that runs with Nginx as a web server, it is recommended to use SSL/TLS encryption for that website’s domain to secure the connection between the web server and the browser. Let’s Encrypt is an official certificate authority that allows you to get an SSL/TLS certificate for free and use the encrypted HTTPS […]

Disabling SELinux Temporarily or Permanently on CentOSRHEL

Disabling SELinux Temporarily or Permanently on CentOS/RHEL

Disabling SELinux on CentOS/RHEL helps your applications to function normally and support the security mechanism of SELinux. Since SELinux is enabled by default, this article will present Disabling SELinux Temporarily or Permanently on CentOS/RHEL. As the most secure operating system, Linux implements security features such as Security-Enhanced Linux (SELinux) to let admins access control.

Best Security Practices to Secure SSH Server in Linux

10 Best Security Practices to Secure SSH Server in Linux

SSH is a TCP-based secure network connection protocol that is used for secure remote access to Linux servers. Users encrypt the remote connection to the server using the SSH protocol settings to improve the security of the communication between the server and the client in a public and insecure network. The Multi-functional SSH protocol is […]

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