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Srijan Choudhary

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Graphical password prompt for disk decryption on ArchLinux

In my last post, I described how I enabled encryption on my Linux root partition. However, during boot up, it asked the password using a plain text prompt. I was not satisfied with the design and found that there's a better way: Plymouth. Plymouth is a package that provides a

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Encrypting an existing Linux system's root partition

Encrypt an unencrypted root partition on an Arch Linux system

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Download a file securely from GCS on an untrusted system

Download files from google cloud storage using temporary credentials or time-limited access URLs

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Slackbot using google cloud serverless functions

Slack bot using Google Cloud Functions to post a roundup of recently created channels

Slackbot using google cloud serverless functions
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Automating custom routes and DNS setup on Windows

How I automated setting up custom routes and DNS for FortiClient SSL VPN on Windows 10

Automating custom routes and DNS setup on Windows
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Erlang: Dialyzer HTML Reports using rebar3

How I made a custom rebar3 plugin to generate HTML reports for dialyzer warnings

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Running multiple emacs daemons

Run multiple emacs daemons for different purposes and set different themes/config based on daemon name

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Erlang: find cross-app calls using xref

Using xref magic to query Erlang code and find cross-application function calls

Erlang: find cross-app calls using xref
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Advanced PostgreSQL monitoring using Telegraf, InfluxDB, Grafana

Introduction This post will go through my experience with setting up some advanced monitoring for PostgreSQL database using Telegraf, InfluxDB, and Grafana (also known as the TIG stack), the problems I faced, and what I ended up doing at the end. What do I mean by advanced? I liked this

Advanced PostgreSQL monitoring using Telegraf, InfluxDB, Grafana
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Running docker jobs inside Jenkins running on docker

Jenkins [https://www.jenkins.io/] is a free and open source automation server, which is used to automate software building, testing, deployment, etc. I wanted to have a quick and easy way to run Jenkins inside docker, but also use docker containers to run jobs on the dockerized Jenkins. Using

Running docker jobs inside Jenkins running on docker