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Introduction
The command-line tool for communicating with the Chef server is called Knife. It is used for managing other Chef features as well as uploading cookbooks. It connects the local machine's chefDK (Repo) and the Chef server. It facilitates managing:
Chef nodes
Cookbook
Recipe
Environments
Cloud Resources
Cloud Provisioning
Installation of Chef client on Chef nodes
But what is the chef? Let's have a basic overview of the chef.
Chef Overview
Opscode created the open-source technology known as Chef. Adam Jacob is the founder of the Chef. He is also the co-founder of Opscode. This technology creates fundamental building pieces like recipes and cookbooks using Ruby encoding. Chef is used to automating infrastructure management, which helps to cut down on manual labor and repetitive chores.
Chef is a configuration management technology that is used to automate infrastructure provisioning. It was created using the Ruby DSL language as a foundation. Configuring and managing the company's server is simplified with it. It is capable of being merged with any cloud technology.
To install and maintain servers and apps both locally and in the cloud, DevOps uses Chef.
Now we have a basic understanding of Knife and chef. Now let's see the different org subcommands used to manage organizations and users in Chef Infra Server.
org create
This argument creates a new Chef Infra Server organization. The organization's validator client's private key is returned.
Syntax
knife org create ORG_NAME ORG_FULL_NAME (options)
Options
-f FILENAME, --filename FILENAME
Write private key to FILENAME rather than STDOUT.
-a USER_NAME, --association_user USER_NAME
Associate USER_NAME with the organization after creation.
Example
knife org create acme2 "The Other Acme" -a arno
-----BEGIN RSA PRIVATE KEY-----
[...]
-----BEGIN RSA PRIVATE KEY-----
org list
This argument lists all the organizations installed on your Chef Infra Server.
Syntax
knife org list (options)
Options
-w, --with-uri
Show corresponding URIs.
-a, --all-orgs
Display auto-generated hidden orgs.
Example
knife org list -w -a
acme: https://chef-server.fqdn/organizations/acme
org show
This command displays information about a certain organization in your Chef Infra Server setup.
Syntax
knife org show ORG_NAME
Example
knife org show acme
full_name: Acme
guid: cc9f9d0d4f6e7e35272e327e22e7affc
name: acme
knife org list -w -a
acme: https://chef-server.fqdn/organizations/acme
org edit
This command edits the organization of the provided Chef Infra Server.
This command deletes the specified Chef Infra Server organization.
Syntax
knife org delete ORG_NAME
Example
knife org delete acme2
Do you want to delete the organization acme2? (Y/N) Y
full_name: The Other Acme
guid: 2adec1140cf777a15d82d9099304da71
name: acme2
org user add
This argument adds a user to a company. Demands the existence of both the named user and the organization.
Syntax
knife org user add ORG_NAME USER_NAME
Options
-a, --admin
Add the user to the admin group.
Example
knife org user add acme2 alice
org user remove
This command ejects a user from a company. Requires the existence of the named user, the named organization, and the user is currently connected to the organization.
Syntax
knife org user remove ORG_NAME USER_NAME
Options
-f, --force
Force removal of users from the organization's admins and billing-admins group.
Example
Knife org user removes acme2 alice.
Frequently Asked Questions
What are the Chef's clients and servers?
The hub of the workstation and the nodes is the Chef Server. Here, all of the metadata, cookbooks, and recipes are kept.
What is the Chef automation tool?
A chef is an automation tool. It provides a way to define infrastructure as code. It means managing infrastructure by writing code. It is also called a programmable infrastructure.
What is the difference between a chef and Ansible?
A chef is a for-profit tool, whereas Ansible is an open-source IT automation solution. Ansible is used for application deployment automation, configuration management, and short procedures like updating the RHEL or Linux operating systems.
Is Chef a programming language?
Chef is an esoteric programming language. Programs in Chef look like recipes. The main principle of language design is: that program recipes should not only generate valid output but be easy to prepare and delicious.
What is the Knife?
The command-line tool for communicating with the Chef server is called Knife. It is used for managing other Chef features as well as uploading cookbooks. It connects the local machine's chefDK (Repo) and the Chef server.
Conclusion
In this article, we had an overview of Knife. We have discussed the various subcommands of knife org.
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