Merge branch 'master' of github.com:bregman-arie/devops-exercises

README.md

@@ -4719,7 +4719,7 @@ additional check is implemented or explicit names are provided) while other tool
 <summary>How do you list all modules and how can you see details on a specific module?</summary><br><br>
 
 1. Ansible online docs
-2. `ansible-doc -l` for list of modules and `ansible [module_name]` for detailed information on a specific module
+2. `ansible-doc -l` for list of modules and `ansible-doc [module_name]` for detailed information on a specific module
 </b></details>
 
 #### Ansible - Inventory
@@ -5583,6 +5583,35 @@ The Terraform Registry provides a centralized location for official and communit
   It is also common in the community to use a tool called <code>terragrunt</code> to explicitly inject variables between modules.
 </b></details>
 
+<details>
+<summary>What is Terraform import?</summary><br><b>
+
+Terraform import is used to import existing infrastucture. It allows you to bring resources created by some other means (eg. manually launched cloud resources) and bring it under Terraform management. 
+</b></details>
+
+<details>
+<summary>How do you import existing resource using Terraform import?</summary><br><b>
+
+1. Identify which resource you want to import.
+2. Write terraform code matching configuration of that resource.
+3. Run terraform command <code>terraform import RESOURCE ID</code><br>
+
+eg. Let's say you want to import an aws instance. Then you'll perform following:
+1. Identify that aws instance in console
+2. Refer to it's configuration and write Terraform code which will look something like:
+```
+resource "aws_instance" "tf_aws_instance" {
+  ami           = data.aws_ami.ubuntu.id
+  instance_type = "t3.micro"
+
+  tags = {
+    Name = "import-me"
+  }
+}
+```
+3. Run terraform command <code>terraform import aws_instance.tf_aws_instance i-12345678</code>
+</b></details>
+
 ## Containers
 
 ### Containers Exercises

certificates/ckad.md

@@ -27,7 +27,7 @@ kubectl get ns
 <details>
 <summary>List all the pods in the namespace 'neverland'</code></summary><br><b>
 
-kubectl get ns -n neverland
+kubectl get po -n neverland
 </b></details>
 
 <details>

exercises/os/fork_101.md

@@ -4,12 +4,12 @@ Answer the questions given the following program (without running it):
 
 ```
 #include<stdio.h>
-
+#include <unistd.h> 
 int main()
 {
-fork();
+  fork();
-printf("\nyay\n");
+  printf("\nyay\n");
-return 0;
+  return 0;
 }
 ```
 

exercises/os/fork_102.md

@@ -4,13 +4,14 @@ Answer the questions given the following program (without running it):
 
 ```
 #include<stdio.h>
+#include <unistd.h> 
 
 int main()
 {
-fork();
+  fork();
-fork();
+  fork();
-printf("\nyay\n");
+  printf("\nyay\n");
-return 0;
+  return 0;
 }
 ```