The Internet, the Web and an Old Book

Not long ago, I was explaining to a translator the difference between the Internet and the Web. Understandably they thought they were the same thing, as most people do. Jump forward a few weeks and I’m packing boxes ready to move house, wondering what I can throw out. A dusty edition of Running Linux from 1996 — … Continue reading The Internet, the Web and an Old Book

How to Convert Videos to WebM With FFmpeg/AVConv

After lots of trial and error each time I convert a video to WebM, I finally got around to posting this so I don’t forget next time. In a nutshell, here’s the conversion command that works for me: avconv -i myvideo.mp4 -acodec libvorbis -aq 5 -ac 2 -qmax 25 -threads 2 myvideo.webm What is this … Continue reading How to Convert Videos to WebM With FFmpeg/AVConv

How to Create a DVD-Compatible Video in PiTiVi

I wanted to edit one of my geeky songs in PiTiVi and burn it to DVD. After searching around and trying a few things it seemed to work, so for reference, here’s how I did it. Important: Save the PiTiVi project before you start, as I’ve found it to be prone to crashing. Once the video and audio are ready, … Continue reading How to Create a DVD-Compatible Video in PiTiVi

How to Show Japanese Text in Evince

A quick tip that might help others (or me, the next time I forget)… I found that Evince, Ubuntu’s default PDF viewer, doesn’t display Japanese characters, at least on my non-Japanese system. After a quick search it seems the answer is nice and simple – install the poppler-data package. So, either use the Synaptic Package Manager or … Continue reading How to Show Japanese Text in Evince

Opera Update: “Requires installation of untrusted packages”

On two separate installations of Ubuntu 10.10 I got the following message when trying to update Opera using Ubuntu’s Update Manager:“Requires installation of untrusted packages” Unfortunately, the only option available was to click the Close button with no help to fix the problem. Fortunately, there’s a solution, also on My Opera, that worked for me: my.opera.com/vinhphuc121583/blog/fix-error-requires-installation-of-untrusted-packages … Continue reading Opera Update: “Requires installation of untrusted packages”

How to create Ogg videos in Linux (with GUI)

Following up on my previous post about converting videos to Ogg Theora, there’s also an easy way for those who like a GUI. Although it’s possible to use VLC for Ogg encoding, I had problems with the audio and video being out of sync. Fortunately I found another way – enter OggConvert. Written in Python by Tristan Brindle, … Continue reading How to create Ogg videos in Linux (with GUI)

How to create Ogg videos in Linux

Ogg Theora is the codec most supported by modern HTML5-capable browsers, so how can you convert your videos to it? Pretty easily, it seems. There’s a cross-platform command-line application called ffmpeg2theora which does a good job of converting videos to Ogg Theora. Usage couldn’t be simpler: ffmpeg2theora input.mpeg If the audio is out of sync with the video, … Continue reading How to create Ogg videos in Linux