Amazon Route 53 DKIM error
DKIM keys failed to validate on a mail server. The domain used Amazon ROute 53 DNS server. amavisd-new showkeys command print out…
Cloud
kubectl
kubectl command is used to manage Kubernetes Clusters. To install kubectl on Linux, run wget https://raw.githubusercontent.com/serverok/server-setup/master/install/kubectl.sh bash kubectl.sh On Ubuntu, you can…
Install LetsEncrypt SSL on Bitnami
NOTE: bitnami provides a tool to install SSL, it is better to use the tool to install SSL. You can see more…
How to add ISO to VMware ESXi
To add ISO to VMware ESXi, enable SSH access VMware > Actions > Services > Enable Secure Shell (SSH) Once enabled, you…
Google Cloud SSH using gcloud command line
To get SSH access to a Google Compute VM using gcloud command line tool, run gcloud compute –project “PROJECT_NAME_JERE” ssh –zone “ZONE_HERE”…
Swap Boot Disk in Azure VM
Customer lost login credentials for a Azure VM. Azure provide a way to reset Password for VM using Azure portal or via…
Amazon EC2
https://aws.amazon.com/ec2/pricing/on-demand/ Resize Amazon EC2 Boot Disk Resize EC2 file system with LVM Amazon EC2 disk resize No space left on device Cpanel…
Google Cloud apt signatures couldn’t be verified
When i run apt update, i get error W: An error occurred during the signature verification. The repository is not updated and…
Deploy Docker Image using Elastic Beanstalk
First create a file docker-eb-run.json with following content { “AWSEBDockerrunVersion”: “1”, “Image”: { “Name”: “bitnami/tomcat” }, “Ports”: [ { “ContainerPort”: “8080” }…
Getting Started with Amazon Elastic Beanstalk
AWS Elastic Beanstalk is a PaaS (Platform As Service) allow you to quickly deploy applications. To install AWS Elastic Beanstalk command line…
Configure Postfix to use Amazon SES
Install postfix with apt-get update && apt-get install postfix libsasl2-modules -y Update postfix config with sed -i “s/default_transport = error/# default_transport =…
AWS CloudFormation
AWS CloudFormation allow you to quickly build infrastructure required for your applications. https://aws.amazon.com/cloudformation/ CloudFormation templates are stored as yaml or json file,…