Ubuntu Server Admin

Configure VNC on Ubuntu 18.04

How To Install and Configure VNC on Ubuntu 18.04

VNC stands for “Virtual Network Computing” is the set of protocols for sharing desktop systems remotely. There are many software available to access Linux based desktop remotely including TigerVNC, TightVNC, Vino, vnc4server and many more. TigerVNC is a free, open-source and high-performance VNC server used to control or access Linux based desktop systems remotely. It …

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Ant Media Server Firewall Configuration

Ant Media Server Firewall Configuration

Set Ant Media Server Firewall Rules Use the following rules for Ant Media Server Firewall Configuration: 1 2 3 4 5 6 7 8 ufw allow ssh ufw allow http ufw allow https ufw allow 1935/tcp ufw allow 5080/tcp ufw allow 5443/tcp ufw allow 5000:65000/udp enable ufw After enabling, you will have following status 1 …

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Best Messaging and Communications Apps for Ubuntu

The popularity of Linux has been able to replace Windows at many workplaces, and the same scenario was also reported for personal users. Hence many popular apps from various platforms such as Android and Windows are being integrated into Linux and its distros. Business emails/chats are also being replaced by instant messaging and communication apps …

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Ubuntu 20.04, WSL2, VSCode, and Drupal 8 – Fixing the “Gotchas”

Microsoft has finally delivered a fantastic solution for developing Linux applications on Windows.  The Windows Subsystem for Linux, WSL2, is fairly easy to install and get up and running, especially if you are already familiar with Linux.  Even if you are not, there are many very good articles about getting a basic installation up and …

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How to reset the root password on Ubuntu 20.04 if forgotten?

You have forgotten your root password, and now you have no idea how to retrieve your Ubuntu 20.04 LTS Operating System? In this post, we will guide you on how to reset your root password on Ubuntu 20.04 LTS System from the GRUB menu. The Grand Unified Bootloader or GNU GRUB menu is a boot …

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Redirect domains without www (e.g. domain.com) to www.domain.com with apache rewrite rules

If all your visitors shall access your website with a URL like www.domain.com and not without www, use the following apache rewrite rule for redirecting them. RewriteEngine On RewriteCond %{HTTP_HOST} !^www RewriteRule (.*) http://www.%{HTTP_HOST}$1 [L,R] The apache rewrite rule can be added in a .htaccess file in the website root directory or if you use …

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RubyGems dependency confusion attack side of things

Note: This article is not to deprecate any of the findings and achievements of Alex Birsan. He did great work exploiting specific vulnerabilities and patterns. It is to present the RubyGems side of the story and to reassure you. We actively work to provide a healthy and safe ecosystem for our users. After reading the …

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How to Download Files from the Command Line Using the Wget Command?

The Wget is a command-line utility that is used to download files and webpages from the web. Various internet protocols like HTTP, HTTPS, and FTP can be used to access and retrieve the files. We can specify the different options with the Wget command in order to perform different options. This article explains the use …

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How to fix sudo: add-apt-repository: command not found error on Linux Ubuntu

The software applications can be installed on Ubuntu and Debian systems in many ways. The one common way to install applications is through the Personal Package Archive (PPA) Repository. The PPA’s are the external repositories that are created and maintained by developers. The add-apt-repository command is used in the following way to add a PPA …

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