dia

Programming Languages

Installing Dia on CentOS 7
ByEric Ma Mar 24, 2018Apr 12, 2026

Dia is a GTK+ based diagram creation program for Linux. It supports flowcharts, network diagrams, circuit diagrams, UML diagrams, and many other types. Here’s how to install and get started with Dia on CentOS 7. Install Dia from EPEL Dia is available in the EPEL (Extra Packages for Enterprise Linux) repository: # Enable EPEL if…

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Linux & Systems Administration

Essential MPlayer and Mencoder Commands
ByEric Ma Jul 13, 2013Apr 13, 2026

MPlayer and mencoder are obsolete. FFmpeg and mpv (the actively maintained fork of MPlayer) are the standard tools for video manipulation on Linux systems today. While some MPlayer syntax still works in mpv, FFmpeg is more performant, better documented, and handles modern codecs reliably. This guide covers practical tasks using FFmpeg and mpv, with mpv…

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