Tag: cut

Accelerating WordPress with WP Super Cache, Opcache and Autoptimize

Posted on by Eric Ma

WordPress can be very fast after some effort on performance optimization with the help from its plenty of plugins. Possible ways include using cache to cut down the number of database queries, improves HTML/JavaScript/CSS code, and optimizing PHP’s performance with opcode cache. In this post, we introduce how to speed up WordPress with OPcache, page
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How to Set Default Entry in Grub2 and Grub

Posted on by Eric Ma

Linux booting is usually controlled by Grub or the new Grub2. Setting the default booting entry is a frequent operations. Here, we introduce how to set the default entry in Grub2 and Grub. Setting the default booting entry in grub2 Note1: With some version of grub2, the grub2-set-default method and the script below may not
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Useful Mplayer/Mencoder Commands

Posted on by Eric Ma

mplayer/mencoder are powerful tools. This is a list of useful mplayer/mencoder commands. Extract the audio, convert it to PCM and write the resulting wave file to audio.wav: mplayer -vo null -hardframedrop -ao pcm:file=audio.wav video.avi Convert .wav file to .mp3 file: lame -h out.wav out.mp3 Preview a video composed of all jpeg files from the current
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