How to fix Error 521: Web server is down with HTTPS website using Cloudflare
Sometime you see a strange error: your website run with HTTP but with HTTPS you get error 521, how to fix this error? Step 1:…
Author: phptuts
How to create own helper functions in Laravel
Let’s create a Helpers directory under app and create a Helper.php file. These is an example: If you are using a class and its methods…
How to combine multiple partitions into one large in CentOS by mergerfs
Read previous article: How to combine multiple partitions into one large in CentOS mergerfs is a union filesystem geared towards simplifying storage and management of…
How to fix Error: rpmdb open failed on CentOS
Today, I want to install some packages on my CentOS 7 server. Unfortunately, i can’t do this. When I run the “yum update” command, I…
How to get all audio streams of video with ffmpeg
We can use 2 methods to Example:
How to get width, height, sample aspect ratio of video with ffmpeg
You can use 2 methods: Example:
How to cutting a video with ffmpeg without re-encoding
You can cut a video with ffmpeg with command: But it run slowly because ffmpeg must re-encode the video, how to cutting a video with…
How to run Redis as a Service on Windows
Read first: How to use Redis on Windows Redis is a high performance key / value store. It is a NoSQL database. It supports various…
How to use Redis on Windows
Only for Windows 64bits: Step 1: Download https://github.com/ServiceStack/redis-windows/raw/master/downloads/redis-latest.zip Step 2: Extract redis-latest.zip in any folder, e.g. in D:\redis Step 3: Run the redis-server.exe using the…
How to install memcache for PHP 7
Step 1: Install repository remi-safe Step 2: check your php version Result: Step 3: find memcache module We see package: php71-php-pecl-memcache, now install this Step…