Error – gpg: cancelled by user/gpg: Key generation canceled.
While generating gpg key, I was getting error where the screen automatically goes off and the control immediately comes back stating below gpg: cancelled by user gpg: Key generation canceled. Solution Applied: It bugged a lot and finally googled the solution (putting it here for the sake of everyone) As a root user, run below… Continue reading
TNSPing & SQLPlus just hang without errors
Usually, when you connect to Oracle, you get errors that give you some feedback on what is happening. Today, I got an issue where when trying to connect to SQLplus or even running a tnsping command was hanging. Not getting any error to start the troubleshooting. The issue was definitely some sort of connectivity but… Continue reading
PGP key generation using gpg 1.4.5 on Linux
Step 1 – Confirm GPG version Step 2 – Start generating gpg key Step 3 – List your keys Step 4 – Export the public key in ASCII format How to copy PGP public and private key from one machine (Linux here) to other Linux. Step# 1: Export private secret key on the source machine… Continue reading
How to Generate SSH key in Linux
Some or the other times, there is a need to have a SSH key generated to allow traffic from/to different server. Today I created a SSH key on LINUX machine. You need to run the command “ssh-keygen -t dsa” on the command prompt. If you need to create 4k RSA SSH key, issue the below command ssh-keygen… Continue reading
Passwordless SSH login
Many times requirement comes from development team that they need to login to remote server for some activity – be it ‘ftp’ or ‘copy’ or ‘writing’ on the remote server. In such cases, it is required that there is seamless and password less login from source server to target server. I am going to discuss the… Continue reading
I’m a Hands-On Technical & Entrprise Solutions Architect based out of Houston, TX. I have been working on Oracle ERP, Oracle Database and Cloud technologies for over 20 years and still going strong for learning new things.
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I am certified for 8x AWS, OCP (Oracle Certified Professionals), PMP, ITTL and 6 Sigma.
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- Python/boto3 script to generate a CSV report for all the AWS Security groups NOT attached to any resource
- Collection of some very useful scripts that you can run against your AWS Workload to generate various reports in CSV format
- Boto3/Python script to list down all the EC2 instances making calls to Instance Metadata using IMDSv1
- “git push” keeps asking password [Deprecating password authentication]
- Boto3 Script to create and attach an EBS Volume to an EC2