EC2 userdata script not working
Note that user data scripts run only during the first boot cycle when an EC2 instance is launched. This is
Read more
Bash
How to forward Kubernetes port to bind on 0.0.0.0
Kubernetes provides the feature to port forward an application which is running in the internal network through the Kubernetes client
Read more
How to delete service using helm
Helm provides the option to remove services installed using helm charts. Where SERVICE need to be replaced with the name
Read more
Jenkins Error: groovy.lang.MissingPropertyException: No such property: docker for class: groovy.lang.Binding
Jenkins Error: groovy.lang.MissingPropertyException: No such property: docker for class: groovy.lang.Binding This error happens when Jenkins unable to process docker commands.
Read more
How to delete a namespace in Kubernates
We can use kubectl command to delete namespaces in Kubernates. But this command need to be used in caution as
Read more
Jenkins Error: java.lang.NoSuchMethodError: No such DSL method 'httpRequest' found among steps
Jenkins Error: java.lang.NoSuchMethodError: No such DSL method 'httpRequest' found among steps This error happens when Jenkins unable to process http
Read more
Helm Error: cannot re-use a name that is still in use
cannot re-use a name that is still in use This happens when the secrets of the previous failed release are
Read more
Variable name containing dash not working in Bash
This is default behavior and '-' is not allowed in shell variable names. The variable name consisting solely of letters,
Read more
How to use variable inside a Dockerfile CMD
There are certain situations where the build argument need to use as variable in Dockerfile CMD. This article explains the
Read more
AWS ECS tasks stuck in pending state
This happens when the ECS agent become not reponsing or lost connection. ECS agent in the corresponding EC2 instance need
Read more
How to install Docker in Ubuntu
This article explains the detailed steps to install Docker in Ubuntu. Step1: Login to the server via ssh as root.
Read more