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 …CLI
131 articles about cli development, tools, and best practices
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 …
How to Update Kubectl Config from AWS EKS
Ever searched for kubectl update config from aws eks and needed a quick result?
Step 1 – Validate AWS CLI
Make sure that you have valid AWS …
Read Article →[Solved] ZipArchive extension: disabled/not installed on Ubuntu
If you have come across the following error:
ZipArchive extension: <strong>disabled/not installed</strong>
This just means that …
Read Article →[Solved] error: src refspec main does not match
When you first try and push to a git repository, you may get the following error message:
error: src refspec master does not match any.
error: failed …How to Presign an S3 URL in AWS using AWS CLI
You can use the AWS CLI to presign URLs so that objects in S3 can be shared publicly even if they are set as private.
Presigned URLs are great for …
Read Article →How to Download using Aria2c with Multiple Connections
If you use aria2c to download files using the command-line, then you can also use it to download using multiple connections.
aria2c -x16 -s16 …How to Change the Timestamp of a File on Mac/Linux
If you have a file on your machine, and you want to change the created/modified time/date stamp, then you can use the touch command.
touch -t …How to Boot an EC2 with a WebServer Setup
Create a new AWS EC2 instance, and set the User Script to the following:
#!/bin/bash
sudo su
yum update -y
yum install -y httpd.x86_64
systemctl start …How to get Meta-Data information from an AWS EC2 Instance
If you need to query meta-data information from your running EC2 instance, you can curl the following location:
curl …How to Install Cuda driver for Nvidia on Ubuntu
If you have just upgraded Ubuntu on your AWS g4dn instance and need to install/reinstall Cuda drivers for your Nvidia chipset, then you can run the …
Read Article →How to List all Running Services on Ubuntu
If you need to view a list of all the services that are either running or stopped (or both) on an Ubuntu server, then you can use the following …
Read Article →How to update/upgrade all Homebrew packages
If you use Homebrew – and you probably should if you’re on a Mac – then you have probably installed various different applications and packages …
Read Article →[Solved] Error: Cannot find module ‘../lib/cli.js’
If you try and run npm i and get Error: Cannot find module '../lib/cli.js', then you can easily fix the problem by running the following.
How does the …
Read Article →[Solved] Permission denied @ apply2files – /usr/local/lib/node_modules/expo-cli/node_modules/extglob/lib
If you have recently upgraded your MacOS operating system, you may get the following error in your terminal when installing some Homebrew packages: …
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