today's howtos
-
What Does sudo apt-get update Command do in Ubuntu?
Are you new to the Linux operating system and wondering what most commands do? Especially the command “sudo apt-get update” is used in almost every tutorial you find online. If that is the case, you are in the right place. This guide will teach you the purpose and use of the sudo apt-get update command in Ubuntu/Linux.
-
How to install boto3 on Amazon Linux 2 – AWS EC2?
Boto3 is an Amazon Web Services (AWS) provided Python software development kit (SDK) for building applications and making them communicate with various AWS services such as Amazon S3, Amazon EC2, Amazon DynamoDB, and more.
It helps developers easily create, configure, and manage AWS services for automating tasks and building more complex applications using AWS infrastructure. It further provides a wide range of features and functionality, including easy-to-use APIs, error handling, pagination, and support for both synchronous and asynchronous operations.
-
How to Reboot Linux System (6 Methods)
Linux users often take pride in the fact that they don’t need to reboot their system often, unlike Windows. However, sometimes in order for the changes to take place after a major software update, you may need to reboot even a Linux system. In addition to applying changes after an update, rebooting a system is also a highly effective solution to solve various issues. When you reboot the system, all running programs are removed from the primary memory as the Linux system is shutdown, and the initial boot-up process is followed from the scratch. But, rebooting a Linux system is quite different as compared to its counterparts. In this article, we will share command line and GUI methods for how to reboot your Linux system.
-
How to List All Physical Ethernet Ports on a Linux Server
Rack servers are designed to support enterprise-grade systems and operations. Unlike regular servers, rack servers must be resilient and usually contain several physical Ethernet ports or Network Interface Cards (NICs) to be able to connect to several networks at once.
Apart from rack servers, some industrial or specialized PCs also come with multiple Ethernet ports or NICs.
Whatever the case, here's how you can find out the number of Ethernet ports on a Linux server without physically going to the server room to inspect.
-
Ubuntu Blog: Optimise your ROS snap – Part 1
Do you want to optimise the performance of your ROS snap? We reduced the size of the installed Gazebo snap by 95%!
This is how you can do it for your snap.
Welcome to Part 1 of the “optimise your ROS snap” blog series. This series of 6 blogs will show the tools and methodologies to measure and improve the performance of a snap. Throughout the series, we will use the Gazebo snap as an example to demonstrate how to optimise ROS snap.