Cluster in VMware
VMware Clusters 1. HA – High Availability Cluster Whenever the ESXi host is down then automatically VM’s will migrate to another ESXi host and restart the VM’s.There will be downtime expected for the VM’s.It will install HA agent(Fault Domain Manager (FDM)) in ESXi host. FDM agent will run the election process.Election process: a. Maximum number…
Read moreCloud Index
Cloud Environment 1. Azure — Microsoft2. AWS — Amazon3. GCP — Google Terraform (tf) DevOps 1. CI/CD 2. Github3. Jenkins4. Docker5. Kubernetes6. Ansible (yaml)7. Python (py)8. Packer9. Puppet10. Chef
Read moreTerraform
Terraform create main.tf got to DOCS: https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs Providers : copy the script paste in visual studio got to view–Terminal execuete : terraform init Got to AD–App regtistration–create new registration. copy: clientID: copy TenantID: copy subscription ID: AD–App registration-select created form–lefthand select certificates and secrets– create new client secret- copy teh secret ID CLient Secret ID:…
Read moreJenkins
Jenkins is an open source automation server which enables developers around the world to reliably build, test, and deploy their software. Jenkins is an open source continuous integration/continuous delivery and deployment (CI/CD) automation software DevOps tool written in the Java programming language. It is used to implement CI/CD workflows, called pipelines. Official website:https://www.jenkins.io/ Setup Jenkins: Install Java development kit(JDK) Download…
Read moreIP address limitation in Azure
IP Address limitation in Azure There are a few IP address ranges that are not allowed: 224.0.0.0/4: Multicast 255.255.255.255/32: Broadcast 127.0.0.0/8: loopback 169.254.0.0/16: link-local 168.63.129.16/32: Internal DNS
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Azure Availability Sets
Availability Sets Availability Sets An availability set is a logical grouping of VMs that allows Azure to understand how your application is built to provide for redundancy and availability. We recommended that two or more VMs are created within an availability set to provide for a highly available application and to meet the 99.95% Azure SLA.…
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Azure Front Door and CDN profiles
Azure Front door and CDN profiles Azure Front Door is a secure cloud CDN which provides static and dynamic content acceleration, global load balancing and protection of your apps, APIs and websites with intelligent threat protection. AFD service is microsoft’s highly available and scalable web application accelaeration platform and global HTTP(s) load balancer. It provides…
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Add VM’s to existing AV Set
Add VM’s to existing AV Set We do not have direct option to add the VM’s to Availability Set. We need to delete only vm not OS disk and NIC card and deploy the VM by using AV set option. We can perform this option by using powershell commands in Azure cloudshell. Below are the…
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Application Gateway
Load balancing | Application Gateway Azure Application Gateway gives you application-level routing and load balancing services that let you build a scalable and highly-available web front end in Azure. You control the size of the gateway and scale your deployment based on your needs. It will comes under Layer 7(Application) in OSI model. We will…
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Azure Traffic Manager
Load balancing | Traffic Manager Azure Traffic Manager is a DNS-based traffic load balancer. This service allows you to distribute traffic to your public facing applications across the global Azure regions. Traffic Manager also provides your public endpoints with high availability and quick responsiveness. Also called as Global load balancer. Requires DNS to be configure…
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Create a VM in Azure Portal
Create a VM in Azure portal Login to shell.azure.com (if this the first time you are logging in then it will ask to create a storage account.) run the below commands to create a VM az vm create --resource-group HUBRG01 --name WEB1 --image UbuntuLTS --location eastus --vnet-name HUBVNET01 --subnet HUBSUBNET01 --admin-username rootadmin --admin-password "Password" --nsg…
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Azure Load Balancer
Azure load balancer Azure Load balancer will share the load among all the webservers by using round-robin method and it will not inspect the packets. It will use Layer 4(Transport Layer) in OSI model. Note: It will works as AWS NLB. Below are the OSI Layers: We have total 7 layers. L7 – Application Layer…
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