In Chef, creating configuration files and moving packages are the key components. There are multiple ways how Chef manages the same. There are multiple ways how Chef supports in dealing with the files and software packages.

Installing Packages from Third-Party Repo

Step 1 − Edit the default recipe of the cookbook.
vipin@laptop:~/chef-repo $ subl cookbooks/test_cookbook/recipes/default.rb
include_recipe "apt"
apt_repository "s3tools" do
uri "http://s3tools.org/repo/deb-all"
components ["stable/"]
key "http://s3tools.org/repo/deb-all/stable/s3tools.key"
action :add
end
package "s3cmd"
Step 2 − Edit the metadata to add dependency on the apt cookbook.
vipin@laptop:~/chef-repo $ subl cookbooks/my_cookbook/metadata.rb
...
depends "apt"
Step 3 − Upload the modified cookbook to the Chef server.
Step 4 − Validate that the package you are trying to install, is not yet installed.
Step 5 − Validate the default repo.
Step 6 − Run Chef-Client on the node.
Step 7 − Validate that the required package is installed.

Installing Software from Source
If one needs to install a piece of software that is not available as a package for a given platform, one needs to compile it oneself. In Chef, we can do this by using the script resource.

Step 1 − Edit the default recipe.
vipin@laptop:~/chef-repo $ subl cookbooks/my_cookbook/recipes/
default.rb
version = "1.3.9"
bash "install_nginx_from_source" do
cwd Chef::Config['file_cache_path']
code ≪-EOH
wget http://nginx.org/download/nginx-#{version}.tar.gz
tar zxf nginx-#{version}.tar.gz &&
cd nginx-#{version} &&
./configure && make && make install
EOH
Step 2 − Upload the modified cookbook to the Chef server.
Step 3 − Run the Chef-Client on the node.
Step 4 − Validate that the nginx is installed.

Chef – Community Cookbooks

Community cookbooks are similar to any other cookbook. The only reason it is called community cookbook is because anyone who knows to write cookbooks can join this community and upload their cookbooks to the centralized hub. These cookbooks are available for free and anyone can download and use it. In order to use these community cookbooks, one needs to download them, modify them as per the requirement, and upload them to their respective Chef server.
One needs to have knife configured on their system in order to update, upload, and download the cookbooks. Interact with cookbooks using the knife cookbook commands. With knife cookbook, you can create, delete, show, list, download, and upload cookbooks.
Following is the link of community cookbooks: https://supermarket.chef.io/cookbooksdirectory

So, this brings us to the end of blog. This Tecklearn ‘Dealing with Files and Software packages and Community Cookbooks’ blog helps you with commonly asked questions if you are looking out for a job in DevOps. If you wish to learn Chef and build a career in DevOps domain, then check out our interactive, Continuous Delivery using Chef Training, that comes with 24*7 support to guide you throughout your learning period. Please find the link for course details:

https://www.tecklearn.com/course/continuous-delivery-using-chef/

Continuous Delivery using Chef Training

About the Course

Tecklearn has specially designed this Continuous Delivery using Chef Training Course to advance your skills for a successful career in this domain. The course will cover different components of Chef and how they are used in software development operations. The course consists of important concepts like Continuous Delivery (CD) using Chef, Chef Framework, How Chef Works, Chef Advantages and Chef Installation. You will get an in-depth knowledge of these concepts and will be able to work on related demos. Upon completion of this online training, you will hold a solid understanding and hands-on experience with Chef.

Why Should you take Continuous Delivery using Chef Training?

• The average salary for a Senior Development Operations (DevOps) Engineer with Chef skills is $118, 435. – PayScale.com
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• According to Grand View Research, the DevOps market size is estimated to be worth $12.85 billion by 2025. DevOps professionals are highly paid and in-demand throughout industries including retail, eCommerce, finance, and technology.

What you will Learn in this Course?

Introduction to DevOps
• What is Software Development
• Software Development Life Cycle
• Why DevOps?
• What is DevOps?
• DevOps Lifecycle
• DevOps Tools
• Benefits of DevOps
• How DevOps is related to Agile Delivery
• DevOps Implementation
Continuous Delivery using Chef
• Continuous Delivery
• What is Chef
• Chef Framework
• How Chef Works
• Chef Advantages
• Chef Installation
• Hands on

Got a question for us? Please mention it in the comments section and we will get back to you.

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