Example Bucket Name : natwebtest Region used : eu-west-1 1. S3 Direct Bucket Endpoint s3://natwebtest/index.html 2. S3 Bucket direct Web Endpoints Bucket Permissions and Bucket Policy – You need to disable “Block all public access” add also bucket policy to allow the action s3:GetObject to all URL available with DOT & DASH Differences as follow…
Ubuntu Upgrade
Upgrade ubuntu to the next release versions ex: 14 to 16 & 16 to 18 & 18 to 20 Take the required snapshots/backups sudo apt-get update sudo apt-get upgrade -y sudo apt-get dist-upgrade sudo do-release-upgrade The do-release-upgrade process will Create the backup alternative ssh port 1022 Purge the unwanted old version files Will ask you…
Kubernetes Dashboard Installation
1) Install the Web UI Dashboard using the recommended yaml file provided by Kubernetes: kubectl apply -f https://raw.githubusercontent.com/linuxraja/kubernetes-manifests/main/kdashboard/recommended.yaml Source : https://raw.githubusercontent.com/kubernetes/dashboard/v2.0.0-beta4/aio/deploy/recommended.yaml This Create two services dashboard-metrics-scraper & kubernetes-dashboard“` 2) Create Service Account (kadmin) kubectl apply -f https://raw.githubusercontent.com/linuxraja/kubernetes-manifests/main/kdashboard/create-admin-sa-dashboard.yaml 3) Create the Cluster Role Binding kubectl apply -f https://raw.githubusercontent.com/linuxraja/kubernetes-manifests/main/kdashboard/create-admin-rb-dashboard.yaml 4) Query the secret for the kadmin and…
Kubernetes Cluster Concepts
Kubernetes (k8s) – Open-source container orchestration platform that automates many of the manual processes involved in deploying, managing, and scaling containerized applications. Namespaces – Virtual cluster backed by the same physical cluster. Namespaces are the way to separate and organize objects such as pods and containers in your cluster Role-Based Access Control (RBAC) – Method…
Git Bash Quick New Repo Push
1. Create a new repository on GitHub. To avoid errors, do not initialize the new repository with README, license, or gitignore files. You can add these files after your project has been pushed to GitHub. 2. Open Git Bash, Change the current working directory to your local project, Initialize the local directory as a Git…
S3 Sync Bandwidth Limitations
By default S3 Sync will consume around 40 MB/s (320 Mbps) We can limit the bandwidth by using the limitation parameters in AWS Config Example : To limit to 5 MB/s aws configure set default.s3.max_bandwidth 5MB/s Only adding the above parameter will not work, we need to update concurrent threads too, because here the limiting bandwidth…
AWS Errors
After adding your configuration with aws configure, when you try to connect to AWS the following error occurs [ansible@awsclient ~]$ aws s3 ls An error occurred (RequestTimeTooSkewed) when calling the ListBuckets operation: The difference between the request time and the current time is too large. Solution: Install and Configure NTP client for your AWS Client …
CentOS Alternatives
CentOS (Community Enterprise Operating System) is the Project affiliated with RedHat, initially released in the month of May 2004 under FOSS (Free and Open-Source Software) & General Public License. CentOS released the versions according to the Red Hat Enterprise Linux (RHEL) life cycle which is Commercial under RedHat EULA (End User License Agreement). The Presence…
Amazon Linux On-Premise VM
Use the Amazon Linux 2 virtual machine (VM) images for on-premises development and testing. These images are available for use on the following virtualization platforms: VMWare, KVM, VirtualBox (Oracle VM), Microsoft Hyper-V https://cdn.amazonlinux.com/os-images/2.0.20201111.0/vmware/ https://cdn.amazonlinux.com/os-images/2.0.20201111.0/kvm/ https://cdn.amazonlinux.com/os-images/2.0.20201111.0/virtualbox/ https://cdn.amazonlinux.com/os-images/2.0.20201111.0/hyperv/ How to Install Amazon Linux on On-Premises VMWare 1. Download the VM Image and upload to VM Datastore: For…
Ansible Vault
The ansible vault allows file encryption and requires a password to unencrypt Command: ansible-vault encrypt <file> The ansible-vault rekey command will allow you to re–encrypt a file and reset the password To supply the vault password during play execution, you must use either of the –ask-vault-password or –ask-vault-file flags Ansible 2.4 introduces the –vault-id feature…