login root

$ su -
Password:
su: Authentication failure

Enable super user account password on Ubuntu

First, set a password for root user as shown below.

$ sudo passwd root
[sudo] password for user:
Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully 

sudo gedit /etc/lightdm/lightdm.conf

Tambahkan baris berikut:

greeter-show-manual-login=true


Selanjutnya jika anda ingin menonaktifkan Login Guest, tambahkan baris berikut :

allow-guest=false

melihat task manager ubuntu

buka di apps cari system monitor

upgrade open office ke yang lebih tinggi ubuntu

hapus dulu instasinya

sudo dpkg --configure -a

sudo apt-get purge openoffice*.* && sudo apt-get autoremove

download yang terbaru lalu install

Cara Melihat Spesifikasi Komputer Di Ubuntu

sudo lshw | more

instal adode reader ubuntu

Terminal Commands:
sudo add-apt-repository "deb http://archive.canonical.com/ precise partner"
sudo apt-get update
sudo apt-get install acroread atau download di web adobenya http://get.adobe.com/reader/

resize jpg pakai gtumb ubuntu

sudo add-apt-repository ppa:webupd8team/gthumb
sudo apt-get update
sudo apt-get install gthumb

install gimp ubuntu

sudo apt-get update
sudo apt-get install gimp