月度归档： 2013 年 3 月

• Capturing the first frame of an animated GIF with ImageMagick

  convert “animation.gif[0]” file.jpg Ref: ht…

  one

  2013/03/22

  TechNote

• set default grub options

  1. open /etc/default/grub 2. then change anything you w…

  one

  2013/03/20

  TechNote