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The pgAdmin 4 server could not be contacted

The pgAdmin 4 PostgreSQL server could not be contacted

January 8, 2024December 2, 2024 Editorial StaffLeave a Comment on The pgAdmin 4 PostgreSQL server could not be contacted

After the system updates and the laptop is rebooted, I tried launch the pgAdmin 4 tool. But the pgAdmin 4 PostgreSQL server could not be contacted. I tried several solutions that mentioned in many forums, but it did not work… Read More!

database configuration, pgAdmin4, postgresql
clear terminal command history linux

How do you clear the terminal history in Linux ?

January 5, 2024September 6, 2024 Editorial StaffLeave a Comment on How do you clear the terminal history in Linux ?

In Linux terminal you can execute different types of command. Once the command is been executed, the history will get saved in .bash_history file which is hidden. Let’s say you have entered your password accidently in the terminal, which got… Read More!

linux bash, command-history
switch between users in Linux

How to switch between users in Linux Terminal ?

January 4, 2024December 3, 2024 Editorial StaffLeave a Comment on How to switch between users in Linux Terminal ?

To secure unauthorized access to the Linux Kernel, the Operating System provides option to create user accounts with different privileges. You can change the user associated with the current session in the Linux Terminal, provided if you know another user’s… Read More!

linux, Uncategorized linux, users

How do I enable SSH access for an AWS EC2 instance ?

December 20, 2023December 20, 2023 Editorial StaffLeave a Comment on How do I enable SSH access for an AWS EC2 instance ?

This sneppet teach you the steps that need to be followed to enable SSH access for an AWS EC2 instance. Steps to enable SSH access for an AWS EC2 instance You can use Secure Shell (SSH) from Linux, Windows, macOS… Read More!

aws, cloud AWS, ssh

Write a Java Program to print multiplication table for any number

December 15, 2023August 6, 2024 Editorial StaffLeave a Comment on Write a Java Program to print multiplication table for any number

Objective Write a Java program to print multiplication table for any given number “N”. Given an integer “N” generate its multiples. Each multiple must be printed on a new line in the form: N x i = result. Constraints 2… Read More!

Interview, Java interview, java
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