OpenSSL is an open-source cryptography library that includes a variety of commands used in the TLS Protocol and Public Key Infrastructure. OpenSSL was released in 1998 and is available for Windows, Linux, macOS, and BSD systems. The OpenSSL command will help you perform various tasks including Certificate Signing Request (CSR), private keys generation, and SSL certification. OpenSSL is important because …
The Basics of UFW: Learning the Essential Firewall Commands
Introduction UFW stands for uncomplicated firewall. It is a frontend platform that enables you to easily manage your firewall functions and commands. You get UFW as a default option with your Ubuntu server. Maximizing the potential of the commands and functions of the firewall can be difficult if you are not already familiar with the tool. Our goal is to …
View and Manipulate Systemd Logs with Journalctl
System and process logging are just two of the most pivotal advantages of systemd. When logs are dispersed throughout the system, span multiple applications, and are handled by different processes and daemons, they can be challenging to interpret. Systemd provides a centralized solution for managing all of the kernel and userland process logs in a compilation medium known as a …
Installing the Apache Server on Ubuntu 18.04: A How-To Guide
Introduction The Apache HTTP Server is an open-source web server by the Apache Software Foundation. It is a software that connects your local server to the website servers such as Firefox or Google Chrome. This connection is used to send and receive files and data. It is the most popular server across the globe. Over 40% of all websites on …
How to Install WordPress with LAMP on Ubuntu 20.04
Introduction WordPress is undoubtedly the most popular Content Management System. You can host about anything on WordPress- from simple portfolio websites, company landing pages, and blogs to full-fledged eCommerce websites. It guarantees flexibility, robustness, and security, which are key for the success of any website. Downloading and installing WordPress is straightforward. Then, once you have installed it on your server, …
Setting up OpenVPN on Ubuntu 18.04
Introduction Would you like to securely access the Internet from your smartphone or laptop when you connect to an untrustworthy network (e.g., WiFi in a hotel or coffee shop)? Luckily, there is a way to grant you your wishes. You can securely connect to an untrusted network as if you are on a private network using a Virtual Private Network …
How to Secure Nginx with Let’s Encrypt on Ubuntu 20.04
Having a secure website is vital to ensuring a reputable online presence for any business. Website security should be among your top concerns especially if you are transferring sensitive data between your website and your website visitors. A simple Google search of ‘how to secure a website’ will bring you several directives. One of the top results is an SSL …
Setting Up Apache Virtual Hosts on Ubuntu 20.04
Apache is currently the most widely used web server in the world. It is an open-source software maintained by The Apache Software Foundation. As of September 2020, it is estimated to be serving 36% of all website traffic in the world. Developers love it for its speed, security, reliability, and robustness. Its ease of customization enables it to meet the …
CloudSigma Facilitates a Smooth Cloud Migration for US Custom Integrator Distributor
Customer Profile Our customer is the largest independent CI (Custom Integrator) distributor in the US. It services local and national dealers that span across multiple channels of business that include residential/commercial A/V, and security. The company is the “one-stop” solution with over 8000 stock items from 126 premium manufacturers. Our client uses a combination of technology from HCI server stacks …
Setting Up a Firewall with FirewallD on CentOS 7
Introduction Firewalld is a firewall management solution that is available to many Linux distributions. It serves as an interface to the iptables packet filter system provided by the Linux kernel. In this guide, you will learn how to configure a firewall for your server. We will also show you the basics of managing the firewall with the firewall-cmd administration tool. …
How to Read and Set Environmental and Shell Variables on a Linux VPS
The majority of the tech community enjoys interacting with systems through the command-line interface (CMD) or shell. Generally, it makes their work easier. For instance, you can create a shell command that can execute several tasks automatically as opposed to having to click through several buttons of a GUI. When you launch a shell or CMD program, it compiles several …
How to Ensure Security While Transferring Files With The Help Of SFTP
When you need to transfer data and files between two computers, there are two protocols that can finish the job. Тhe typically used method is the FTP or the File Transfer Protocol. However, rising concerns over the security of data moved from one device to another have encouraged the use of SFTP. SFTP stands for Secure File Transfer Protocol. It …