CentOS: how to fix error ping Name or service not known
CentOS: how to fix error ping Name or service not known? How to fix it? Method 1: Check file /etc/resolv.conf: Add theses lines: Done!, now…
Month: October 2018
Node.JS: How to fix error: [PM2][ERROR] File ecosystem.config.js not found
Node.JS: How to fix error: [PM2][ERROR] File ecosystem.config.js not found? Simply, you run one command: Result:
ImageMagick(1) Manual page
ImageMagick(1) General Commands Manual ImageMagick(1)p NAME ImageMagick – is a free software suite for the creation, modification and display of bitmap images. SYNOPSIS magick [options|input-file]……
How to install ImageMagick on CentOS 7
ImageMagick is a free and open-source software suite for displaying, converting, and editing raster image and vector image files. It can read and write over…
How to install tesseract on CentOS 7
Tesseract is an optical character recognition engine for various operating systems. It is free software, released under the Apache License, Version 2.0, and development has…
How to mount drive on CentOS 7
Step 1: First, list all drives on your server: You see a big drive /dev/sdb with capacity 2T, check this drive /dev/sdb is entire device,…
Google open Google Photos Library API for developers
Google has announced the general availability of its new Google Photos Library API, designed to help developers create new experiences for (or at least help…
How to install OpenCV on CentOS 7
OpenCV dependencies: GCC 4.4.x or later CMake 2.8.7 or higher Git GTK+2.x or higher, including headers (libgtk2.0-dev) pkg-config Python 2.6 or later and Numpy 1.5…
Paypal: How to upgrade to a bussiness account?
Step 1: Go to page https://www.paypal.com/vn/webapps/mpp/merchant to upgrade to a bussiness account. Click Sign up for Bussiness Step 2: Click Get Started Step 3: Step…
How to install QjackCtl on CentOS 7
QjackCtl – JACK Audio Connection Kit Qt GUI Interface Homepage: https://github.com/rncbc/qjackctl http://qjackctl.sourceforge.net/ Dependencies: jack-audio-connection-kit-devel alsa-lib-devel Qt framework portaudio-devel Step 1: install Qt framework 1.1: If…