Could not load the ‘vagrant’ driver from the load path
When you execute the kitchen converge command to launch a virtual machine on your workstation with the Vagrant driver, you may get the error message: >>>>> ——Exception——- >>>>>> Class:…
Vagrant installation
Vagrant Installation Warning! The new versions of Vagrant delete the contents of the /opt/vagrant directory. If you want to keep old versions of Vagrant, first move them out of the /opt directory. Download Vagrant from https://www.vagrantup.com/ and…
Ubuntu gets stuck in a login loop
When I rebooted my Ubuntu machine it started to repeatedly ask for the password. When I entered the correct password, the screen went black and asked for the password again. The problem was an error in the ~/.profile file. To log into the Ubuntu terminal…
DevOps Engineering part 1. (Ubuntu) – Install the DevOps development tools on Ubuntu
DevOps Software installation on Ubuntu There are multiple ways to install software on Ubuntu Install a .deb package from the local drive with dpkg Install the software from the internet with apt Show hidden files To be able to see hidden files in Files…
Configure the Ubuntu virtual machine in VirtualBox
Enable shared folders on the virtual machines To be able to use shared folders between the host ( your workstation ) and the virtual machine. Start the Ubuntu virtual machine in Virtual Box, Select the virtual machine window on your workstation, In…
Configure the Windows virtual machine in VirtualBox
Enable shared folders on the virtual machine To be able to use shared folders between the host ( your workstation ) and the Windows virtual machine. Start the Windows virtual machine in VirtualBox, Select the virtual machine window on your workstation,…
VirtualBox installation and configuration on Windows
Download Virtual Box from https://www.virtualbox.org/wiki/Downloads and follow the instructions to install it. At the time of writing this was the section where the installer files were referenced Run the downloaded installer file and accept all default…
VirtualBox installation and configuration on Macintosh
Download VirtualBox from https://www.virtualbox.org/wiki/Downloads and follow the instructions to install it. At the time of writing, this was the section where the installer files were referenced Run the downloaded installer file and accept all default…
Hollow 3D printed object walls
When you set the Shell Thickness too large, like 2 mm, Cura may generates hollow walls even if the Fill Density is 100%. To make sure the walls are solid, reduce the Shell Thickness to 0.4 mm and set the Fill Density to 100%.
CloudExceptions::CloudException – 400: VPCIdNotSpecified: No default VPC for this user
When you launch a new EC2 instance in the AWS cloud from the command line or with other cloud management platforms, you may get the error message: CloudExceptions::CloudException – 400: VPCIdNotSpecified: No default VPC for this user (RequestID:…