How Do You Troubleshoot “Some of the defined forwarded ports would collide” after Running a Chef Kitchen or Ansible Molecule Command?

Problem scenario
You run a kitchen or molecule command. It fails with an error about ports. What should you do?

Solution
Find what other machines are running in your VPC. This error message seems to be relevant to Vagrant (because if you google it, you will see Vagrant-related postings). If you are using Vagrant, run this command: vagrant global-status

If you are not using Vagrant,

How Do You Install SUSE when It Fails with a Kernel Error with Little Information?

Problem scenario
Linux SUSE won’t install. When the installation process is happening it stops with an abortive error that exits the pretty GUI menu sequence. You get “linuxrc 7.0.15 (Kernel 5.3.18-lp152.19-default) an error occurred during the installation.” What should you do to install SUSE?

Possible Solution #1
Start over. When you see this window “YaST2 The system has an active network connection.

How Do You Troubleshoot the Vagrant Message “/usr/share/rubygems/rubygems/core_ext/kernel_require.rb:83:in `require’: cannot load such file — winrm (LoadError)”?

Problem scenario
You are running Vagrant, but you get this error: “/usr/share/rubygems/rubygems/core_ext/kernel_require.rb:83:in `require’: cannot load such file — winrm (LoadError)”

You run “gem list” (or “sudo gem list”) and see winrm is installed.

What should you do?

Possible Solution #1 (recommended)

  1. Run this command:

gem list | grep libvirt

2. Verify that libvirt’s version is at least 0.6 or higher.

How Do You Troubleshoot “/usr/share/rubygems/rubygems/core_ext/kernel_require.rb:83:in `require’: cannot load such file — winrm-elevated (LoadError)”?

Problem scenario
You run a Vagrant command. But you get this message: “/usr/share/rubygems/rubygems/core_ext/kernel_require.rb:83:in `require’: cannot load such file — winrm-elevated (LoadError)”

What should you do?

Solution
Run this command:

vagrant plugin install winrm-elevated …

How Do You Troubleshoot Vagrant when You Receive “The box you’re attempting to add doesn’t support the provider you requested”?

Problem scenario
You run “vagrant up”, but you get one of the following error messages:

The box you’re attempting to add doesn’t support the provider
you requested. Please find an alternate box or use an alternate
provider. Double-check your requested provider to verify you didn’t
simply misspell it.

If you’re adding a box from HashiCorp’s Vagrant Cloud, make sure the box is
released.

How Do You Respond to a Vagrant Prompt for which Interface the Network Should Bridge to?

Problem scenario
You are running Vagrant to create a VM on Oracle VirtualBox. You are given a prompt after your “vagrant up” command:
“Which interface should the network bridge to?”
No option seems to work. You have used a variety of different names, GUIDs, syntaxes, etc. What should you do?

Solution
Use “1)” or “2)” or any of the integer values listed above the question.

How Do You Create a Windows 2016 Server with Vagrant and Oracle VirtualBox?

Problem scenario
You want to use Windows 2016 with 2 GB of RAM. You have Oracle VirtualBox installed on a Linux server. You want the VM to be able to communicate with the host or other VMs on the host. You have a license for Windows 2016. What should you do?

Solution
Prerequisite: You have Oracle VirtualBox set up. You know what adapters you can attach a VM to.

How Do You Troubleshoot the Message “/usr/share/rubygems/rubygems/core_ext/kernel_require.rb:83:in `require’: cannot load such file — foobar (LoadError)”?

Problem scenario
You are running Vagrant, Ruby or a Ruby application, but you get this error: “/usr/share/rubygems/rubygems/core_ext/kernel_require.rb:83:in `require’: cannot load such file — foobar (LoadError)”

What should you do?

Possible Solution #1
Try to run the original command with “sudo”. If that doesn’t work, use “gem list” to verify “foobar” is installed.

For Windows users, try to run the command or application as Administrator.

How Do You Troubleshoot the Vagrant Error “No usable default provider could be found for your system.”?

Problem scenario
On a Linux server you get “No usable default provider could be found for your system.” What should you do?

Solution
Install VirtualBox. On an Ubuntu server with 0.5 GB of RAM, you can simply run this command:

sudo apt-get -y install virtualbox