In this example, the instance_tags variable is defined with a type of map(string), and it is given a default value of { Name = “my-instance” }. The AWS provider is then configured to use the us-west-2 region. The aws_instance resource is used to launch Amazon EC2 instances. The tags argument is used to assign tags…
How to set Terraform Variables in Windows? Terraform will read environment variables in the form of TF_VAR_name to find the value for a variable. For example, the TF_VAR_region variable can be set to set the region variable.
In this example, the instance_name variable is defined with a type of string, and it is given a default value of “my-instance”. The AWS provider is then configured to use the us-west-2 region. The aws_instance resource is used to launch Amazon EC2 instances. The tags argument is used to assign a name tag to the…
This command would generate a public and private key $ ssh-keygen -f terraform_ec2_key This resources would import aws key pair
By – christophchamp Terraform keeps the remote state of the infrastructure It stores it in a file called terraform.tfstate There is also a backup of the previous state in terraform.tfstate.backup When you execute terraform apply, a new terraform.tfstate and backup is created This is how Terraform keeps track of the remote state If the remote state changes and you run terraform apply again, Terraform will make…
Step 1. Create a file index.php file. Copy this code. then, create a makepdf.php file. Step 2. Go to this link: https://github.com/mpdf/mpdf. Which includes mPDF is a PHP library that generates PDF files. Now we need to use called composer. If you don’t know what is a composer just goes on to google again and…
There are three main API options when considering connecting to a MySQL database server. PHP’s MySQL Extension. PHP’s mysqli Extension. PHP Data Object (PDO). PHP Data Object (PDO) PDO is a database access layer that provides a fast and consistent interface for accessing and managing databases in PHP applications. Every DBMS has specific PDO drivers(s)…
Step 1. Go through this URL: https://github.com/hakimel/reveal.js/Step 2. Clone or download the zip folder.Step 3. Unzip and replace the example contents in index.html.Step 4. Open index.html in a browser to view it. Add menu in reveal js Step 1. Go through this URL: https://github.com/denehyg/reveal.js-menuStep 2. Clone or download the zip folder.Step 3. Unzip and replace…
First, you can go to this link: https://github.com/hakimel/reveal.js/ Markdown: It is possible to write your slides using Markdown. To enable Markdown, add the data-markdown attribute to your elements and wrap the contents in alike the example below. You will also need to add the plugin/markdown/markdown.js script to the Reveal. Initialize the dependencies section at your…
Setup a NFS server in one of the node of Kubernetes Cluster using rhel 7.X Validate NFS server is working Manually Using NFS server in Kubernetes Pods
Content of reverseproxy.conf Commands to execute to create configmap Example pod using configmap Validating configmap inside a pod
Step 1 – Install Docker https://www.devopsschool.com/tutorial/docker/install-config/ https://www.devopsschool.com/tutorial/docker/install-config/docker-install-commuityedition-centos-rhel.html Step 2 – How to find discovery-token-ca-cert-has in kubernetes master node? Mehtod 1 – Using openssl Method 2 – Using Ansible Python Filter Reference – https://gist.github.com/randomvariable/e4c43f89afec52fec0dbef6c08621249 Step 3 – How to Gererate kubeadm join “kubeadm token” using kubeadm in master nodes? Bootstrap tokens are used for establishing bidirectional…
Save the definition to a file, for example nfs-pv.yaml, and create the PV: $ kubectl create -f nfs-pv.yaml persistentvolume “pv0001” created $ get pv $ kubectl create -f nfs-claim.yaml Pods using PVC
You have two options: You could have multiple services, one for each port. As you pointed out, each service will end up with a different IP address You could have a single service with multiple ports. In this particular case, you must give all ports a name. For some Services, you need to expose more…
In this article, I’m going to describe Best DevOps Training and Certification In India. There are multiple IT institutes in India. DevOpsSchool is the best training institute to choose if you are looking for the best DevOps training in INDIA. Nowadays very difficult to find best DevOps Institute here because too many institutes available in…
Hi Friends, Here I am going to let you know about DevOps, DevOps Certification Course, DevOps Online and Classroom Training. DevOps is one type of culture which IT companies are adopting very fast. DevOps is made up of a combination of two words – first Dev (Development) and second Ops (Operation) means DevOps. Ever since…
1.Create a directory for project on htdoc directory in xampp if you using wamp server then you create your directry on www directory. 2.Open your project directory with command prompt after that write this command:- composer require mpdf/mpdf 3.After that install phpmailer through composer: composer require phpmailer/phpmailer 4.Create index.php file and write this code 5.create…
1.Create a directory for project on htdoc directory in xampp if you using wamp server then you create your directry on www directory. 2.Open your project directory with command prompt after that write this command:- composer require mpdf/mpdf 3.After that create a file and write this code
Step 1 – Download a DMG package from here https://dev.mysql.com/downloads/mysql/ Step 2 – Download a DMG package from here Click on DMG file and again you get .pkg file. Step 3 – Start installation by clicking on .pkg and follow the installer. Step 4 – During installation, make sure that you have captured and stored…
How to submit Assignment? Please submit assignment @https://www.debug.school/ and POST url share in the comments of this post. Exercise 1 – Write a terraform configuration file to create a EC2-Instance(RHEL7.5) along assigned with newly created Keypair, Security group in default VPC. Exercise 2 – Write a terraform configuration file to create a EC2-Instance(RHEL7.5) along assigned…
What is Bootstrap? Bootstrap is a open-source framework for building websites and web applications. That means the bootstrap is fully responsive framework and support any devices which contains HTML, CSS and JavaScript. With the help of bootstrap we can create a forms, buttons,navigation and other interface components. Why Use Bootstrap? Advantages of using bootstrap Supports…
Local Variable:- Local Variables mean local is declared inside a function. Its value applies in any function. When local variable value modified in one function then changes not apply in other function changes apply in particular function. PHP- Global Variable:- Global Variable means that Global that declared from outside of the function. It is created…
In this example, the security_groups variable is defined with a type of list(string), and it is given a default value of [“default”]. The AWS provider is then configured to use the us-west-2 region. The aws_instance resource is used to launch Amazon EC2 instances. The vpc_security_group_ids argument is used to specify the security groups for the…
In this example, the instance_count variable is defined with a type of number, and it is given a default value of 1. The AWS provider is then configured to use the us-west-2 region. The aws_instance resource is used to launch Amazon EC2 instances. The count argument is set to the value of the instance_count variable,…
The chef, file, local-exec, puppet, remote-exec, provisioner invokes a script on a remote resource only after it is created. Thus, if you add provisioner code after “terraform apply”, it would not considers as a changes and terraform would flag no resources addition and change. Thus, How to apply a provisioners changes in resources created. There…