How to connect to PostgreSQL database using pgAdmin 4?

 How to connect to PostgreSQL database using pgAdmin 4? In order to set up a connection to the PostgreSQL database, run pgAdmin 4, for example, from the Start menu. As a result, pgAdmin 4 will start. Then click the menu "Object->Create->Server" or right-click on the item "Servers" and select "Create->Server". The server connection settings window will open. On the General tab, we invent and enter the name of our server in the Name field. On the Connection tab, enter the server IP address, username, password, and if you want, you can check the “Save password?” to save the password and not to enter it every time you connect. If the standard port (5432) of the PostgreSQL server has been changed, then you also need to change it here. Press the "Save" button. Note! The PostgreSQL server must be installed, configured and running. We considered an example of installing and configuring PostgreSQL DBMS on Linux Debian in the material “Installing ...

Top 5 Free Antivirus Software for Windows 10

 Top 5 Free Antivirus Software for Windows 10

Every day there are new viruses, trojans, malware and scripts, the purpose of which is to penetrate your computer and perform some malicious actions for which they were created.


To ensure the security of your computer and all the data stored on it, so that your home computer always remains in working order and your personal data is safe, you must adhere to certain security rules when working with your computer and use additional protection in the form of an antivirus program.


No matter what anyone says, no matter how careful you are and no matter how you follow all the safety rules for working with a computer, no antivirus with up-to-date databases must be on the computer. Paid or free depends already on the scale of the required protection and on your capabilities.


So, in most cases, on home computers, when the basic security rules are followed, a free antivirus solution is also suitable, which in the modern world provides even basic, but at the same time decent protection against most viruses.


In this material, as already noted, 5 free antiviruses for Windows 10 will be presented, which are among the most reliable.


All anti-virus programs were included in today's list for a reason, they were selected based on the analysis of the results of special tests conducted by independent companies specializing in testing anti-virus protection. These include AV-Comparatives and AV-TEST. In addition, of course, the personal experience of using anti-virus programs, as well as the experience of familiar IT specialists, was also taken into account.


So let's get started.