How to Dockerize a Flask App
If you have a Flask app that you would like packaged in a Docker container, then you can do the following. The steps outlined below will help you …
Read Article →Technical Articles
In-depth guides, insights, and best practices for modern software engineering
How to get an EKS Cluster name from an AWS Region
You can use the aws cli to get the EKS cluster name, parse the first result and return it into a variable.
EKS_CLUSTER_NAME=$(aws eks list-clusters …How to automatically generate a Manifests file in Kubernetes
If you want to automatically generate a manifest file in Kubernetes, you can do so by using the kubectl run command coupled with a --dry-run to output …
How to Sort Pods by CreationTimestamp in Kubernetes
If you need to sort a list of your pods by their CreationTimestamp, then do the following:
kubectl get pods -n kube-system …How to Jump onto a Kubernetes Pod with Bash
If you want to jump onto a particular Kubernetes Pod and run Bash within it, you can do so as follows:
kubectl exec -ti <pod_name> /bin/bash
You …
Read Article →How to run Shell Commands in a Kubernetes Cluster
If you would like to run shell commands inside of your Kubernetes cluster, then you can use the kubectl run command.
What the syntax looks like …
Read Article →How to Bulk Move All Email from One Account to Another using the CLI
If you find yourself in a position where you need to sync all emails from one account to another, then you can use the imapsync command-line tool to …
How to Install AWS CLI on Linux
You can download and install the AWS CLI on Linux as follows:
Perform the install
curl …How to Reboot Networking on Mac from CLI
If you need to reboot, or restart the networking interface on your Mac, by using the CLI, then you can issue the following commands:
Using the …
Read Article →[Solved] fatal: unable to access <git>: SSL certificate problem: self signed certificate in certificate chain
If you get the following error:
fatal: unable to access <git>: SSL certificate problem: self signed certificate in certificate chain
..when …
Read Article →How to Extract the Files in a Docker Image
Ever needed to extract the files in a Docker container?
Docker provides the save sub-command.
Exporting Docker files into a Tar Archive
The examples …
Read Article →[Solved] Error response from daemon: No such image: Docker
If you’ve run into this dreaded error:
Error response from daemon: No such image:
Then you can solve it as follows:
Step 1
Perform a docker pull …