Show me the code!
The Operating System is the low-level software that supports a computer’s basic functions, such as scheduling tasks and controlling peripherals. Examples include Windows, Unix, GNU/Linux and Mac OSX. In recent years the rise of mobile devices has seen new operating systems like Android and ChromeOS enter the market too.
Sometimes you don’t want to leave commands in the Bash history (accessed with UP key) of your Linux server available to other users, because it may contain some sensitive data like passwords.
This tutorial may help you to control your Bash history file, which is where these commands are actually stored.
We use Xen Orchestra as the web interface for students to create and manage VMs via our XCP-ng Pool in PJ Carrolls. The login is found at https://xoa.comp.dkit.ie and most students are familiar with this excellent resource. But what if a student wanted to mange their own pool of virtualisation servers in a Specialist Lab, running either XCP-ng or XenServer?
This tutorial follows on from Accessing Your Docker Containers on your Private Network and is part of a series. If this is your first time here, maybe start at the beginning. This is the final part.
This tutorial follows on from Using Pre-Built Docker Container Templates and is part of a series. If this is your first time here, maybe start at the beginning.
This tutorial follows on from Creating a Docker Container from a Pulled Image and is part of a series. If this is your first time here, maybe start at the beginning.
This tutorial follows on from Building an Image from a Dockerfile (and adding to the DkIT Registry) and is part of a series. If this is your first time here, maybe start at the beginning.
This tutorial follows on from Creating a Private Network for Your Docker Containers and is part of a series. If this is your first time here, maybe start at the beginning.
This tutorial follows on from Introducing Docker Containers to Computing Students and is part of a series. If this is your first time here, maybe start at the beginning.
Up until now, students have had access to creating Virtual Machines (VMs) on the Dundalk Institute of Technology network via our Xen Orchestra Appliance (XOA) at http://xoa.comp.dkit.ie. But VMs in the real world are rapidly being replaced by “containers”, so it’s time to take things to a whole new level.
Ideally, you should use the “Quick Instances” and other VM templates provided by our Xen Orchestra Dashboard when creating virtual servers for your project. These have been optimised with tools and drivers designed to get the best performance from your virtual machine, and to access advanced features such as safe shutdown in the event of power outage. But what if your VM was built from scratch, can you still access these tools?