May
6
Learning Pdftk by examples
Filed Under PDF, Tips, How-to, Software | Leave a Comment
Pdftk is a simple tool for doing everyday things with PDF documents. It allows you to manipulate PDF easily and freely. It does not require Acrobat, and it runs on Windows, Linux, Mac OS X, FreeBSD and Solaris.
Examples:
Merge PDF Documents
Merge Two or More PDFs into a New Document
pdftk 1.pdf 2.pdf 3.pdf cat output 123.pdf
or (Using […]
Apr
9
How to change the bootup-screen resolution
Filed Under Tips, How-to, Linux | Leave a Comment
Normal the Ubuntu bootup screen is not with a nice resolution. When you want to change it, do it following steps.
open the menu.list
sudo vim /boot/grub/menu.lst
find the content like the below
kernel /boot/vmlinuz-2.6.15-28-686 root=/dev/hda5 ro quiet splash
add the vga= option at the end of the line, if used for 16-bit color, 1024×768 resolution, allowing vga=0×317
specific numerical access […]