AWS

How to restrict s3 readable only from certain IP addresses or CloudFlare Only

In many scenarios, it becomes crucial to control and limit access to your S3 bucket to specific IP addresses. Recently, we encountered a situation where we needed to grant access exclusively to CloudFlare IPs. To address this requirement, we implemented a solution by incorporating conditions into our S3 bucket policy. This approach allows for fine-grained …

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How to verify the AWS ec2 RSA key Fingerprint – SOLVED

Leave a Comment / AWS / By Jobin Joseph

Sometimes, the SSH key that you have or shared by another person may not be letting you in. In such cases, we need to compare the fingerprint of the key with the one showing on your AWS console. By running the following commands locally on a terminal, you will be able to see the fingerprint. …

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AWS Lambda Task timed out after 3.02 seconds [SOLVED]

Leave a Comment / AWS / By Jobin Joseph

Dealing with AWS Lambda timeouts? Don’t fret, I’ve got you covered! Go to the AWS Console and Navigate to the Lambda Console. Click on your Lambda function name you are facing issues with. Head to General configuration section and Click Edit Change the Timeout Value as needed. For example, you can set the value as …

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How to create a new sudo / super admin / wheel user in AlmaLinux CentOS Ubuntu

Leave a Comment / AWS / By Jobin Joseph

The “wheel” user has special privileges that allow it to perform administrative tasks on the system. To create a wheel user, follow these steps: That’s it! You’ve successfully created a new wheel user in AlmaLinux 8. To log in to the new account, simply type the username and password you set in step 3 at …

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How to configure ELK stack on Almalinux 8 / CentOS

Leave a Comment / AWS / By Jobin Joseph

o configure ELK on AlmaLinux 8, you will need to first install the Elastic stack on your system. This can be done by following these steps: After completing these steps, your ELK stack should be installed and configured on AlmaLinux 8. You can then use Kibana to manage and visualize your data. To set up …

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sign_and_send_pubkey: no mutual signature supported

2 Comments / AWS / By Jobin Joseph

Issue Today i was not able to SSH to one of my CentOS7 Server. I have got the below error on SSH. Also, tried to SSH to couple of other servers launched during that time and received the same error. As i checked, my mac was updated recently to Ventura 13.0.1 and it looks like …

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How to extend the Linux file system after increasing the EBS volume on the EC2 instance?

Leave a Comment / AWS / By Jobin Joseph

Jobin JosephView all posts by Jobin Joseph hazercloud.com

MySQL – How to get size of MySQL database and table size ?

Leave a Comment / AWS / By Jobin Joseph

Hello, Today I was trying to get the database size on one of the MySQL / MariaDB servers. I found the below MySQL queries which can do the job. You can use the same approach as Amazon RDS or Azure Managed Database. Solution Connect to the database with the below command from a shell. mysql …

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How to enable htpasswd Apache Basic Authentication via AWS cloudfront

Leave a Comment / AWS / By Jobin Joseph

Issue: Apache Basic htpasswd authentication not working via AWS CloudFront. Overview We had a website that was only allowed to access via basic password authentication as it was in the development stage. We had to enable AWS CloudFront on top of the website to enabled WAF and CDN capability. But, we had to keep …

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AWS Autoscaling is not working. Seems stuck

Leave a Comment / AWS / By Jobin Joseph

Issue Today I was working on a modifying autoscaling group and playing with some options in suspended action. After testing the things, I found that the new instances were not launching even if I haven’t suspended that action. Debug As I checked, I had kept “Terminate” in the suspended action in the Autoscaling Group …

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