How to Recursively Delete all Files in an AWS S3 Bucket
If you need to recursively delete all files in an AWS S3 bucket, then you can do the following:
aws s3 rm --recursive s3://your-bucket-name/foo/bar/ …Technical Articles
In-depth guides, insights, and best practices for modern software engineering
How to Execute Linux Commands in Golang
If you want to execute linux commands in Golang, then you can use exec.Command:
cmd := exec.Command("echo", "hello world")
res, _ := …How to Check for Prime Numbers using Golang
If you need to check for Prime Numbers in Golang, then you can use the following method:
const n = 1212121
if big.NewInt(n).ProbablyPrime(0) { …How to Raise a Number to a Power in Golang
If you need to raise a number to a power in Golang, then you can use the math.Pow function:
package main
import (
"math"
)
func …How to get CPU Frequency in Linux
If you need to get the CPU Frequency in Linux, then you can run the following command:
watch -n.1 "grep \"^[c]pu MHz\" /proc/cpuinfo"
How to Disable Warning with Python Pandas
How can python pandas disable warnings?
If you need to disable warnings with Pandas on Python, then you can use the warnings module and ignore the …
How to Get all Caps Alphabet as List in Python
If we take the following list:
['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', …[Solved] Error creating RDS DB Instance: IAM role ARN value is not value or does not include the required permissions for: ENHANCED_MONITORING
When you are trying to create an RDS database and you get the dreaded error message:
IAM role ARN value is invalid or does not include the required …
How to create an AWS Lambda in Terraform
Step 1 – Lambda Code in Python
The following code expects a python file with the contents as follows in a file called python/script1.py:
def …[Solved] Instance Profile already exists in Terraform
If you get the Instance Profile already exists error when running your Terraform apply, then it is either because an instance profile with that name …
[Solved] An error occurred (UnauthorizedException) when calling ListAccounts operation: Session token not found or invalid
If you are using aws configure sso to populate your ~/.aws/credentials file and you get the following error when you try and reauthorize, then you can …
How to Match Multiple Strings with grep
If you need to match a string in a file, then grep is your friend.
An example of using grep
Let’s take a file called somefile.txt
this
is
a
test …