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Author: Sreekumar Kj

Sreekumar (KJ) has been a hobby programmer from school days. Codemarvels is his personal blog from the year 2010, where he writes about technology, philosophy, society and a bit about physics. He now runs a conversational AI company - DheeYantra - focusing his efforts to help businesses improve operational efficiency using digital employees powered by AI.
notes/technology

Fixing Cqlsh Import Error

Posted on August 22, 2019 by Sreekumar Kj

Problem: Running Cqlsh exits with the error : from cqlshlib import cql3handling, cqlhandling, pylexotron,sslhandling, copy ImportError: No module named cqlshlib...

technology

Planning conversational Automation – Here’s what you should look for !Machine Learning – the basics

Posted on August 18, 2019 by Sreekumar Kj / 0 Comment

dhee । தீ । ধী । ధీ । धी । ಧೀ । ധീ । ઘી । ଢ଼ୀ Are you planning to bring in conversational automation using AI to make your processes more cost effective and con...

Conversational AI/technology

Planning conversational Automation – Here’s what you should look for !

Posted on August 18, 2019 by Sreekumar Kj

dhee । தீ । ধী । ధీ । धी । ಧೀ । ധീ । ઘી । ଢ଼ୀ Are you planning to bring in conversational automation using AI to make your processes more cost effective and con...

notes/technology

Fix for – W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/xenial/InRelease Temporary failure resolving ‘archive.ubuntu.com’

Posted on May 15, 2019 by Sreekumar Kj

Problem: apt-get update gives an error : [bash] W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/xenial/InRelease Temporary failure resolving ‘archive....

notes/technology

View logs and debug a docker service

Posted on May 14, 2019 by Sreekumar Kj

To debug why a container within a docker stack didn’t start, these commands will help [bash] #list all processes docker service ls #note the id of your problema...

notes/technology

How to install Docker Compose on Ubuntu 18.04 LTS

Posted on May 13, 2019 by Sreekumar Kj

Here’s how to install docker-compose on Ubuntu LTS : Open terminal and run these commands [bash] sudo curl -L “https://github.com/docker/compose/releases/...

notes/technology

GCloud gives warning : `docker-credential-gcloud` not in system PATH

Posted on May 4, 2019 by Sreekumar Kj

Problem : On an Ubuntu VM, the Docker pulls from Gcloud private repository give the error [bash] Error response from daemon: unauthorized: You don’t have the ne...

notes/technology

Python print not displayed in docker console

Posted on May 4, 2019 by Sreekumar Kj

Problem: Python print function not printing to display when running inside docker Reason:  The python output is buffered. Solution: Run python (in the docker fi...

notes/technology

Spring boot and Hibernate Second Level cache giving NoCacheRegionFactoryAvailableException

Posted on November 16, 2018 by Sreekumar Kj

Problem: Setting below in application.properties, [bash] hibernate.cache.use_second_level_cache=true hibernate.cache.hazelcast.use_native_client=true hibernate....

notes/technology

Linux: Copy files owned by a user to another folder

Posted on September 30, 2018 by Sreekumar Kj

Example To copy all files owned by root in folder rpms to say folder docker-rpms, do this – [bash] find rpms -user root -exec cp -f {} docker-rpms/ \; [/bash] N...

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