Category: Software

  • Install and Run Multiple PHP Versions in Ubuntu 22.04

    I wanted to run both Drupal 7 and 9, as part of my work, in my machine now running on Ubuntu 22.04. Drupal 7 best run with PHP 5.6 while Drupal 9 requires either PHP 7.4 or 8.1 I could make it work after some research and try. Here is how I made it work. […]

  • Quick Twig Template Rendering Without Much Set Up

    Sometimes, I want to prepare more readable output from my PHP scripts. It is good to create a template and render with values from script out put. Here is a quick way to render a twig template. First lets assume the HTML twig template (test-report.html.twig) is: Then we have this script, test-script.php: Keeping above two […]

  • Install MySQL 5.7 on Ubuntu 20.04

    First follow installation instructions given at https://docs.docker.com/engine/install/ubuntu/ . Then make sure docker is running properly: Ensure it created the image by: Now, install docker MySQL 5.7 image and create a volume for storing data. Make a MySQL installation with command: Replace the password with your one. To show running instances: Login to docker instance terminal: […]

  • Building Wheel for a Python Package Failed

    Today I was trying to install frappe-bench package within a newly created python 3 virtual environment in my Ubuntu 20.04. It gave this error in terminal. However, the package appeared to be installed even with above error. Then I got this SO thread in my search https://stackoverflow.com/questions/53204916/what-is-the-meaning-of-failed-building-wheel-for-x-in-pip-install. It has this answer from a pip maintainer […]

  • Use Python Markdown Extension in Jupyter Notebooks

    I regularly use Python Markdown when working with Jupyter notebooks. It is actually straightforward to set up in Jupyter, but I always forget the exact steps to be followed whenever I set up Jupyter notebook especially after installing a new OS. So, there are those steps, I note here to help myself in future. First […]

  • Get MP4 from MKV and Extract Subtitle(s)

    This command helped me to get MP4 file from MKV file: This command will help to extract subtitle from MKV file. The above command will extract first subtitle. MKV file contains more than one subtitle track and if you want to extract one of them. Then you can replace “0:s:0” with “0:s:1” to extract second […]

  • Create PDF from Image Files and Resize PDF to Standard Page Size

    First convert image files to PDF with command: Then resize PDF to standard size with command: Read more about pdfjam at here.

  • Nginx Configuration for WordPress with HTTPS Enabled

    Few days back I switched back to WordPress from static site generator Hugo. On my server I am using Nginx as web-server though I am more familiar with Apache Web Server (Now I can’t remember exactly why I switched to Nginx?!). I am using LetsEncrypt SSL certificates and always redirect regular HTTP traffic to HTTPS.

  • Switched to Hugo

    Switched to Hugo

    I switched to Hugo as static site generator for my blog on last Sunday. I was using Stagen, a static site generator wrote myself in Node.js, from March of 2016.