Problem scenario
You are running a Linux server, and you installed Chef. How do you find out what version is installed?
Solution
Run this command:
sudo cat /opt/opscode/version-manifest.txt
Problem scenario
You are running Ubuntu 16.04 Linux. You tried to follow the directions for installing the Chef development kit on these two sites: GitHub and Chef.io. But they do not work. What should you do?
Solution
Follow these steps:
1. Change directories to the home directory (e.g., /home/ubuntu or /root/) of the user are logged in as.
2.
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Problem scenario
You have Linux servers that need Java 1.8 installed on them. How do you write a Chef recipe to deploy Java?
Solution
Prerequisite
This solution requires that the Chef server must have access to GitHub. If you want to install Chef server, see this posting. If you want to install Chef client, see this posting.
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Continue reading “How Do You Create a Chef Recipe to Install Java on Linux Chef-Client Nodes?”
Problem scenario
You have installed Chef on Ubuntu. You run this command:
sudo knife client list
You expect to see a list of Chef client nodes. But you see an error like this:
“ERROR: You authenticated successfully to https://<FQDN of Chef Server>/organizations/companynickname as <FQDN of Chef client node> but you are not authorized for this action
Response: missing read permission”
What do you do?
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Problem scenario
You are trying to use Chef’s knife command. Every time you try to regenerate a key or delete a user, you get an error like this:
“ERROR: Failed to authenticate to https://continualintegration.com/organizations/contintnickname as contint with key /home/ec2-user/.chef/contint.pem
Response: Invalid signature for user or client ‘contint'”
What do you do?
Solution
1. Log into the GUI for Chef Manage.
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Problem scenario
You have a desired configuration that you want implemented with Chef. You want a command to execute and a file to transfer via a Chef recipe or cookbook. You have installed Chef server on one server (see this posting if you want to do this) and Chef client on another (see this posting for installing Chef client). You want to use Chef for the first time doing something as an example.
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Updated 10/13/19
Problem scenario
You want to deploy Chef server to Linux in a standalone fashion. What do you do?
Solution
This solution has been tested to work with Ubuntu 16.04 Linux in AWS or Azure. This solution has also been tested to work with RHEL 7.4 in AWS.
#1 For a standalone deployment, you will need a server with 4 CPU cores and 4 GB of RAM according to this
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Continue reading “How Do You Deploy a Standalone Chef Server to a Linux Server?”
Problem scenario
You set up Chef server and Chef client on Linux servers. On the Chef client server you run this command:
knife client list
You get this as the output:
ERROR: The object you are looking for could not be found
Response: <!DOCTYPE html>
<html xmlns=”http://www.w3.org/1999/xhtml”>
<head>
<meta http-equiv=”Content-Type” content=”text/html; charset=utf-8″ />
<meta http-equiv=”X-UA-Compatible” content=”IE=EmulateIE7″ />
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Problem scenario
You have installed Chef server on a RedHat Enterprise Linux (RHEL) server in AWS. You have installed Chef client on another RHEL instance in AWS. You simply want your Chef client to receive configuration management changes (e.g., you want Chef recipes to work). The command “chef node list” on your Chef client server returns no servers. You ran this command from the Chef client:
sudo chef-client -S https://<FQDN of Chef server>/organization/contint
But you received an error like this:
Chef encountered an error attempting to create the client “<FQDN of Chef Client computer>”
================================================================================
System Info:
————
chef_version=13.4.19
ruby=ruby 2.4.1p111 (2017-03-22 revision 58053) [x86_64-linux]
program_name=chef-client worker: ppid=5156;start=14:10:31;
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Problem scenario
You want to have a Chef Automate server in Azure. How do you create one?
Solution
1. In the Azure portal click the “New” button on the left.
2. Search for “Chef Automate” with no quotes.
3. Click “Create”.
4. Fill out the required configuration settings. Make a mental note of the Chef Automate FQDN DNS Label that you provide (e.g.,
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Continue reading “How Do You Create a Chef Automate Server in Azure?”