today's howtos
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How to easily split screen space to fit two windows in Ubuntu
There are cases when you need to switch between two applications in your work. For example, a common use case is reading commands/instructions from a web page opened in a web browser and trying them out on the command line terminal.
I'm sure many of you are used to the Alt+Tab method of switching between application windows. However, there are some who manually resize windows to fit side-by-side in the visible area. But do you know that there is a way you can do this automatically?
In this tutorial, we will briefly discuss how you can split the screen area to fit two windows side by side. Please note that all the commands/instructions mentioned here have been tested on Ubuntu.
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How to Install PostgreSQL and phpPgAdmin on Fedora 34
PostgreSQL or Postgres is a powerful, open-source, relational database management system that uses and extends the SQL language. It has many advanced features that safely store and scale complicated data workloads. phpPgAdmin is a PHP-based application to manage and edit PostgreSQL databases.
This tutorial will demonstrate how to install PostgreSQL and phpPgAdmin on a Fedora 34 based server.
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How to Install GoLang (Go Programming Language) in Linux
Go language or GoLang, in short, is one of the most powerful open source programming languages developed by a small team of Google. It has a huge library function, and it can solve the issues that programmers often face on Python or C/C++. For instance, Python is an easy writing language, but it is a bit slow as it’s an interpreted language. And compiling C/C++ is a bit sluggish. GoLang can solve all the above-mentioned issues and other minor issues. If you’re a programmer and haven’t had any experience with the Go language, I’m sure there is a desire inside you to test the GoLang. Installing GoLang is a piece of cake and is available for Windows, Mac, and Linux.
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How to Disable the “Sudo” Password in Linux Mint 20 and Ubuntu Linux
Whenever we execute a command with “sudo” privileges, we are always asked to enter the “Sudo” password before its execution. However, at times, you want to get rid of this hassle by disabling the “Sudo” password. Therefore, we are here with this article that will guide you on how you can disable the “Sudo” password in Linux Mint 20 and Ubuntu 20.04.
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Easy Guide to Migrate from CentOS 8 to Rocky Linux 8
As we all know that CentOS 8 updates and support will not be available after the end of Dec 2021. There are huge number CentOS 8 servers which are used in development and production environment in different organizations. In case you are looking for CentOS 8 alternative then Rocky Linux is the best candidate. Rocky Enterprise Software Foundation (RESF) provides a migration script that will smoothly migrate existing CentOS 8 system into Rocky Linux 8.
In this guide, we will cover how to migrate from CentOS 8 to Rocky Linux 8 step by step. For the demonstration purpose, I have one CentOS 8 system installed with Server GUI option. Apart from this, Docker engine is running on this system.
Note: Before Upgrade, please make sure you take the backup of applications and if possible, take the snapshot of complete CentOS 8 system. There could be scenarios that after upgrade application stop working. So, in such scenarios your application can be restored from backup.
Below is the snapshot of my CentOS 8 system before migration.
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