`pwd’: No such file or directory – getcwd (Errno::ENOENT)
When you rename a subdirectory under the directory where your Linux or MacOS terminal is open you may get the error message /opt/chefdk/embedded/lib/ruby/gems/2.4.0/gems/chef-13.4.19/lib/chef/knife/cookbook_download.rb:45:in `pwd’: No such file or…
Switching to a new Chef server
The administrator of the Chef organization Download the validation key Do this only once for the organization. This step resets the validation key, so the existing server images will not be able to connect to the Chef organization. On the Administration…
MySQL Installation
To install the MySQL database server, download the installer from https://dev.mysql.com/downloads/ Download the MySQL Community Server from https://dev.mysql.com/downloads/ On the Generally Available (GA) Releases tab select the operating system and…
Migrate a WordPress web site to DreamHost
DreamHost is one of the recommended WordPress hosting providers. The DreamHost website has an extensive knowledge base, but the necessary steps to move your live site from another provider are scattered over multiple pages at…
Waiting for SSH service on …:22, retrying in 3 seconds
When you try to launch a new EC2 instance in AWS using Chef Test Kitchen and the process times out with the message: Waiting for SSH service on …:22, retrying in 3 seconds $$$$$$ [SSH] connection failed, terminating…
Failed to complete #create action: [undefined method `version’ for nil:NilClass] on …
When you execute kitchen converge to launch an EC2 instance in AWS with Chef Test Kitchen, you get the error message: >>>>> ——Exception——- >>>>>> Class: Kitchen::ActionFailed…
Could not load the ‘ec2’ driver from the load path
When you execute kitchen list and the driver in your .kitchen file is “ec2“, the following error message appears: >>>> ——Exception——- >>>>>> Class: Kitchen::ClientError…
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…