Today, every operating system has a graphical user interface, where we can navigate our computers using a mouse, stylus, or graphic tablet. But that wasn’t always the case. The first operating system used on personal computers, DOS, required users to enter commands into a command line using their keyboards. Keep reading to find out how a disk operating system works and what the best-known DOS are....
With the spread of Windows, DOS commands have become less important. Launching a program, copying a file, or creating a directory – this can be done using a mouse and the graphic interface. However, it’s still useful to know some basic DOS commands should you ever have any problems with the Windows display. Keep reading for an overview of the main commands.
In the KVM console, the keyboard language is set to English by default. To use a different keyboard language in the KVM console, you have to set the same keyboard language on your local computer, on your server and in the KVM console.
Ruby on Rails uses SQLite as its database by default, but it also supports the use of MySQL. SQLite is an excellent alternative to a traditional database like MySQL, but it has some limitations, particularly with regards to concurrency and scaling to a high load, which may make MySQL a better choice for your project.
Learn how to use PostgreSQL with your Ruby on Rails application, instead of the default SQLite database. SQLite is an easy-to-configure, lightweight product which ships with Ruby on Rails by default. However, PostgreSQL is a more robust solution which provides more advanced features, scaling, and stability, which may make it more suitable for your Ruby on Rails project.
Learn how to write a basic Bash shell script. Although shell scripts can be long, complicated scripts which perform complex tasks, you can also learn how to write a simple shell script in 10 minutes. If you can run commands at the command line, learning how to write a basic Bash script is easy.
Memory (RAM) influences a system’s overall performance. Every activity requires devices to perform and create data that is processed. To make sure that data is quickly exchanged, working memory is needed. But what is RAM? We’ll explain how random access memory works, introduce various types, and clear up the question of how much RAM makes sense.
Many businesses rely on their websites being available online 24/7. Technical failures can lead to significant losses in sales depending on the duration of an outage. To avoid these issues, larger companies rely on structures provided by a data center. This allows them to centralize and better organize their data processing and IT services. But what are data centers anyway?
Learn how to connect to a MySQL/MariaDB database using PHP on a Cloud Server running Linux. This tutorial will cover connecting to a database on the same server as the PHP application, as well as how to connect to a database on a different Cloud Server.
Learn how to fix "Error establishing a database connection” for MySQL/MariaDB on a Linux Server. With this guide you can easily fix the error for MySQL and MariaDB.