AzureDevops_Notes

  https://www.greatminditacademy.com/   Azure Network Security groups Azure Network Security Groups (NSG) can be used to filter network traffic to azure resources NSG contains security rules that allow or deny in bound traffic and outbound traffic Every NSG has security rules. Each Security rule has the following properties Name Priority: This is number b/w 100 and 4096 Source: Individual IP or Any or cidr range of the source Destination: Individual IP or Any or cidr range of the destination Protocol: TCP, UDP, ICMP or Any Direction: Inbound or outbound Port Range: Which ports you want to apply the traffic to Action: allow or deny Lets create a network security group in Azure Create a resource group Create a nsg Every NSG has security rules. Each Security rule has the following properties Name Priority: This is number b/w 100 and 4096 Source: Individual IP or Any or cidr range of the source Destination: Individual IP or Any or cidr range of the destination Protocol: TCP, UDP, ...

  VNet Peering Scenario VNet peering enable us to connect seamlesly Azure Virtual Networks as long as ip address ranges don’t collide Lets Create a Network A address range: 10.10.0.0/16 subnets: web: 10.10.0.0/24 app: 10.10.1.0/24 db: 10.10.2.0/24 location: EastUS Lets Create a Network B address range: 10.100.0.0/16 subnets notification: 10.100.0.0/16 location: WestUS Now lets create two vms one in web subnet of network A and notification subnet of network B Vnet peering enables private connectivity. i.e. machine in network A can reach machine in network B using private ip Navigate to vnet => network A and in settings blade select peering VNET Peering can be done b/w two vnets from same subscription in same region  two vnets from same subscription in different regions  two vnets from different subscription in same/ different region     

https://www.greatminditacademy.com/   Understanding Azure: Subscriptions and VM creation Lets create a virtual machine Ensure you have Azure free tier account To create a vm for understanding the steps on the azure portal Azure has a web interface which is called as Azure Portal Understanding Azure Account and Subscriptions We need to specify region (location) for the resource group and resources To understand what is Free Navigate to All Services and then type free Creating a linux vm In the process of creating a linux vm resource azure also creates a virtual network and also gives the vm a public ip (ip which can be used directly using internet)  

https://www.greatminditacademy.com/ Create a virtual network using the Azure portal Sign in to Azure Sign in to the Azure Portal Create a virtual network Select  Create a resource  in the upper left-hand corner of the portal. In the search box, enter  Virtual Network . Select  Virtual Network  in the search results. In the  Virtual Network  page, select  Create . Name: vNET Name Region: Region Name Click on IP address Select the  IP Addresses  tab, or select the  Next: IP Addresses  button at the bottom of the page. In  IPv4 address space , select the existing address space and change it to  10.1.0.0/16 . Select  + Add subnet , then enter  MySubnet  for  Subnet name  and  10.1.1.0/24  for  Subnet address range . Select  Add . Select the  Security  tab, or select the  Next: Security  button at the bottom of the page. 7.  Select the  Review + cre...

 https://www.greatminditacademy.com/ Azure Hirrerachy -Tenant ID        - Subscription              - Resource Group                   -Virtual Network                        -Subnet                             - Virtual Machines

https://www.greatminditacademy.com/   Resource Group Creation & Deletion Create resource groups Sign in to the  Azure portal . Select  Resource groups 3. Select Add 4. Enter the Following Values: Subscription : Select your Azure subscription. Resource group : Enter a new resource group name. Region : Select an Azure location, such as  Central US . 5. Select Review + Create 6. Select Create, It takes a few seconds to create a resource group 7.  Select  Refresh  from the top menu to refresh the resource group list, and then select the newly created resource group to open it. Or select  Notification (the bell icon) from the top, and then select  Go to resource group  to open the newly created resource group List resource groups Sign in to the  Azure portal . To list the resource groups, select  Resource groups Open resource groups Sign in to the  Azure portal . Select  Resource groups . Select the resource group you ...