By default PostgreSQL is configured to be bound to localhost. Which means any attempt to connect to the PostgreSQL server from outside the machine will be refused. To make the connection possible from outside, you will need to make few changes in PostgreSQL configuration file.
How To Install Debugger for PostgreSQL on Ubuntu 18/19/20.04
The debugger may be used to debug PL/pgSQL functions in PostgreSQL, as well as EDB-SPL functions, stored procedures and packages in EDB Postgres Advanced Server. The Debugger is available as an extension for your PostgreSQL installation. This guide assumes that you have already set up PostgreSQL on your Ubuntu.
How to upgrade from Ubuntu 18.04 LTS to Ubuntu 20.04 LTS
This guide will show you how to safely upgrade from Ubuntu 18.04 LTS (Bionic Beaver) to latest Ubuntu 20.04 LTS (Focal Fossa). This guide will explain several methods to make your upgrade process easy and simple.
Hackers finds a vulnerability in TikTok to easily penetrate into users data
A security vulnerability in a popular video-sharing app (TikTok ) allows hackers to exploit millions of users. The popular video-sharing app uses an insecure protocol (HTTP) to process the videos and images over unencrypted channels, allows hackers to gain access to any user's data including all user's activity history, exposing users' privacy.
Secure Apache using ModSecurity on Ubuntu 18/19/20
ModSecurity is an open-source, cross-platform web application firewall (WAF) module. Known as the "Swiss Army Knife" of WAFs, it enables web application defenders to gain visibility into HTTP(S) traffic and provides a power rules language and API to implement advanced protections. ModSecurity is a toolkit for real-time web application monitoring, logging, and access control.