Add Overlay Text to Video using PHP-FFMpeg
I recently learned how to add an audio track to the video using PHP-FFMpeg. Now I wanted to add overlay text to...
Linux
PHP-FFMpeg: Allow multiple input files (Add audio to the video)
My recent assignment was to develop an online video editing software similar to Biteable, Moovly etc..Well, I knew I could ...Linux vs Windows: Which OS Is Better For PC Gaming
A few weeks back, a survey was conducted in the US showing which gaming platform is the most popular in...Create virtual environment for different Python versions using Conda
In our earlier article, we had shown how to install multiple versions of python without breaking System tools and Create an...How to print Stdout of a command in reverse order on a Linux Shell
Recently encountered a challenge to display the standard output (stdout) of a Linux command in the reverse order. For eg;...Upstream sent too big header while reading response header from upstream – NGINX error
While working on my client website which is based on WooCommerce, I happened to see the checkout page failing with...Unable to generate Graphical Charts in RT [Solution]
All of a sudden I was not able to generate graphical charts in Request Tracker, which was working earlier! The...Run multiple versions of PHP for different domains in NGNIX
I recently purchased EduExpression WordPress plugin for a client to setup an examination software. I was able to install and...Incompatible with sql_mode=only_full_group_by [Fix]
While migrating a client website from one WHM/cPanel to another WHM/cPanel, I got an SQL error “Incompatible with sql_mode=only_full_group_by“. Below...Automatically start OpenCA service via Systemd in CentOS 7
OpenCA service can be started using the SysVinit script located inside openca/etc/init.d folder. However, the script has to be started...How to Install phpize in Ubuntu?
Question: I got an error phpize not found while installing PHP-SSH2 extension on Ubuntu. How to install phpize in Ubuntu?...How to Export and Import DNS settings in CloudFlare
If you ever want to export DNS records of your domain hosted in CloudFlare, then here’s how you can do...Fix Sub-Process /usr/bin/dpkg returned an error code(1)
I encountered an error “Sub-Process /usr/bin/dpkg returned an error code (1)” while installing a Single sign-on package called Gluu Server....[Linux]: How to print First/Last n lines from the output of a shell command
While developing a monitoring tool, one of my colleague came up with the above question. He wanted to print the...How to Delete First/Last ‘n’ lines from command output in Shell?
One of my colleague came up with a query – How to Delete First/Last ‘n’ lines from the output of...Error : DNS Propagation check Token Mismatch [Solved]
One of my client asked me to update DNS entry of his domain at Namecheap. After updating DNS, I checked...Unrecognized VM option MaxMetaspaceSize=256m – oxd-server failed to start [Solution]
Recently I have been trying my hands with SSO using OpenID connect single sign-on plugin by Gluu. One of the...How to split single file into multiple files based on rows
Here’s a question from one of our regular reader Anu. She likes to know how to split single file into...Can’t call method get on an undefined value at export-import.lib [OpenCA]
Before we talk about the error and its solution, here’s my OpenCA setup – It’s an offline Certificate Authority. i.e.,...Signature verification failed on SPKAC public key – Fix OpenCA error
After installing OpenCA and setting up Certificate Authority (CA), I encountered an error – “Signature verification failed on SPKAC public...