It’s not uncommon for users to forget their root password. This happens especially if you haven’t logged in as the root user for long periods of time. In this brief guide, we will walk through the steps of resetting a forgotten root password in CentOS 8 Linux. Read Also: How to Set Up Automatic Updates
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How to Set Up IPsec-based VPN with Strongswan on CentOS/RHEL 8
strongSwan is an open-source, multi-platform, modern and complete IPsec-based VPN solution for Linux that provides full support for Internet Key Exchange (both IKEv1 and IKEv2) to establish security associations (SA) between two peers. It is full-featured, modular by design and offers dozens of plugins that enhance the core functionality. Related Article: How to Set Up
How to Install TeamViewer on CentOS 8
A cross-platform solution that provides secure remote access, remote control and remote support solution across devices. The data traffic between devices are encrypted which makes the TeamViewer very secure. This software is available for “Linux, Windows, Mac, Chrome OS” and even for mobile devices like “iOS, Android, etc.”. We can also remotely connect to servers,
How to Setup Redis Replication (with Cluster-Mode Disabled) in CentOS 8 – Part 1
Redis (Remote Dictionary Server) is a very popular and widely-used open source, fast, distributed and efficient in-memory key-value database/data structure server. It offers a rich set of features that make it effective for a wide range of use cases: as a database, caching layer, message broker, or queue; applicable in web applications, chat and messaging
How to Setup Redis For High Availability with Sentinel in CentOS 8 – Part 2
Redis provides high availability via Redis Sentinel distributed system. Sentinel helps to monitor Redis instances, detect failures and will do roles switches automatically thus enabling a Redis deployment to resist any kind of failures. It features monitoring of Redis instances (master and replicas), supports notification of other services/processes or the system administrator via a script,
How to Setup a Redis Cluster in CentOS 8 – Part 3
Redis Cluster is a builtin Redis feature that supports automatic sharding, replication and high availability which was previously implemented using Sentinels. It is designed for two major purposes: one is to automatically split your dataset among multiple instances and secondly to provide some degree of availability during partitions, to continue operations when some instances (especially
How to Create Your Own IPsec VPN Server in Linux
There are so many benefits of using a VPN (Virtual Private Network), some of which include keeping you safe on the internet by encrypting your traffic and helping you to access blocked content/sites/web applications from anywhere. Not to mention, VPN also helps you to browse the internet anonymously. In this article, you will learn how
How to Setup HAProxy as Load Balancer for Nginx on CentOS 8
To ensure maximum web application availability, scalability, and high performance, it is now common to implement technologies that introduce redundancy, such as server clustering and load balancing. For example, setting up a cluster of servers that all run the same application(s) and then deploying load balancer(s) in front of them to distribute the traffic. HAProxy
How To Install Varnish Cache 6 for Nginx on CentOS/RHEL 8
Varnish Cache (commonly referred to as Varnish) is an open-source, powerful and fast reverse-proxy HTTP accelerator with modern architecture and flexible configuration language. Being a reverse proxy simply means it is a software that you can deploy in front of your web server (which is the origin server or backend) such as Nginx, to receive
How to Install Ruby on CentOS/RHEL 8
Ruby is a dynamic, multi-purpose, free, and open-source programming language that is usually used for the development of web applications. It’s a high-level programming language that enjoys a vibrant community of developers who help maintain and continually improve the language for better and more efficient code. Ruby can be used in diverse applications such as