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How to setup Envoy proxy
Envoy is a minimalistic L7 proxy designed to be used along with the cloud native microservice applications. It’s an open-source container based project which can run on a minimum syst...
In Envoy, Sep 25, 2021
Remove Last N Characters of a String in Bash
As with most things in IT, there is always more then one way to skin a cat. In today’s blog post, we are gonna test out few ways on how we could remove last n characters of a string. ...
In Linux, Sep 24, 2021
How to create Apache reverse proxy for your application
Creating Apache reverse proxy follows a similar procedure as Nginx. In some of the previous posts, we saw how to set up Nginx reverse proxy, so today I’m going to show you exactly the...
In Apache, Sep 23, 2021
Protect files from being deleted in Linux
I’m gonna start by saying we have all heard of these sudo rm -rf / horror stories on the Internet. There are a bunch of ways we could protect our servers from such accidents, which mi...
In Linux, Sep 22, 2021
How to dump Elasticsearch index to S3 with Docker
Previously I’ve covered the topic around export and import the Elasticsearch index. from one ES cluster to another. So now if you want to back up a particular index, instead of storin...
In Elasticsearch, Sep 21, 2021
How to make local archive_file to be available when deploying Terraform aws_lambda_function
In today’s blog post, I really need to share with you all a quick tip regarding Terraform’s aws_lambda_function resource and how to make the latest local data archive_file to be prese...
In Terraform, Sep 20, 2021
How to search for a string in multiple files on Linux
These days there are a lot of code editors which can ease your life in terms of finding some particular string in multiple files or repo. The life will get complicated if you need to ...
In Linux, Sep 19, 2021
Convert Linux commands output from CSV to JSON
CSV to JSON conversion is commonly used in the Monitoring part of the DevOps cycle, usually when we need to gather some data, parse it, and ship it via some monitoring agent, like flu...
In Linux, Sep 18, 2021
How to export and import Elasticsearch Index with Docker
Synchronizing the ES index data between your prod, dev and local ES cluster environment is now achievable with docker. Moving the index data, mapping or analyzer can be done through t...
In Elasticsearch, Sep 17, 2021
Declarative vs Imperative Infrastructure as Code
With the uprising of Terraform in the last couple of years, Infrastructure as Code (IaC) is a popular and hot topic in the DevOps world. Managing and deploying infrastructure is all w...
In IaC, Sep 16, 2021