Category: Tech

Record screen in Linux with avconv (replacement for ffmpeg in Ubuntu):
avconv -f alsa -i pulse -f x11grab -r 25 -s 1920×1080 -i :0.0+0,0 -vcodec libx264 -pre:0 lossless_ultrafast -threads 0 video.mkv

Compress video and make ready for YouTube:
avconv -i video.mkv -c:v libx264 outputfile.mp4

Record screen in Linux with ffmpeg:
jonas@erebus:~$ ffmpeg -f x11grab -r 15 -s 1280*800 -i :0.0 -vcodec libx264 -vpre lossless_ultrafast -threads 4 -y -sameq out.mkv

Compress video and make ready for YouTube:
ffmpeg -i video.mkv -vcodec libx264 -vpre hq -crf 22 -threads 0 video.mp4

Install ssvncviewer:
sudo apt-get install ssvnc

Create a password file:
sudo apt-get install vnc4server
vncpasswd
sudo apt-get remove vnc4server

Launch the viewer toward a blade with iDRAC7:
With 85% screen size:
ssvncviewer -scale 0.85 10.6.26.241:5901 -passwd ~/.vnc/passwd

With 100% screen size:
ssvncviewer -scale 1.00 10.6.26.241:5901 -passwd ~/.vnc/passwd

sudo mount -t iso9660 -o loop file.iso /home/user/mountpoint

Install some Japanese fonts:
apt-get install ttf-kochi-mincho ttf-kochi-gothic ttf-sazanami-mincho

Install ibus and anthy:
apt-get install ibus ibus-anthy anthy-common

Configure:
ibus-setup

Run im-config to set the input method:
im-config

As root:
adduser yourusername sudo