allex/ubuntu-notes.md

## ubuntu-notes.md

      
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    Removed the warning: Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

allex@WANG:~$ sudo install the gtk2-engines-pixbuf
Check unity features supports:

/usr/lib/nux/unity_support_test -p
Fix unity crashed (by CCSM)

rm -rf .gconf/apps/compiz*
rm -rf .cache/compizconfig-1/
rm -rf .config/compiz-1/
rm -rf .compiz*
or
unity --reset
Install jupiter to optimize power.

sudo add-apt-repository ppa:tualatrix/next
sudo apt-get install ubuntu-tweak
sudo add-apt-repository ppa:webupd8team/jupiter
sudo apt-get update
sudo apt-get install jupiter
Disable Overlay Scrollbars

~/.xprofile (profile)
or
/etc/X11/Xsession.d/99disable-overlay-scrollbars (global)
sudo apt-get remove overlay-scrollbar liboverlay-scrollbar3-0.2-0 liboverlay-scrollbar-0.2-0

export LIBOVERLAY_SCROLLBAR=0
sudo su
echo "export LIBOVERLAY_SCROLLBAR=0" > /etc/X11/Xsession.d/80overlayscrollbars
How to add my favorite places as a quicklist in my home's icon in Unity?

allex@WANG:~$ vi /usr/share/applications/nautilus-home.desktop
X-Ayatana-Desktop-Shortcuts=Videos;Documents;Music;Pictures;Downloads
[Videos Shortcut Group]
Name=Videos
Exec=nautilus Videos
TargetEnvironment=Unity
[Documents Shortcut Group]
Name=Documents
Exec=nautilus Documents
TargetEnvironment=Unity
[Music Shortcut Group]
Name=Music
Exec=nautilus Music
TargetEnvironment=Unity
[Pictures Shortcut Group]
Name=Pictures
Exec=nautilus Pictures
TargetEnvironment=Unity
[Downloads Shortcut Group]
Name=Downloads
Exec=nautilus Downloads
TargetEnvironment=Unity
How can you log out via the terminal?

Open ~/.bash_aliases with a text editor, or create it if it isn't there, and add something like this to it:
alias logout="gnome-session-save --force-logout"
or
logout

alias logout="dbus-send --session --type=method_call --print-reply --dest=org.gnome.SessionManager /org/gnome/SessionManager org.gnome.SessionManager.Logout uint32:1"
Add Open in Terminal Command to Nautilus Context Menu in Ubuntu 11.10 (Oneiric Ocelot)

sudo apt-get install nautilus-open-terminal
nautilus -q
Remove Old Kernels In Ubuntu With One Command | Tux Tweaks

see: http://tuxtweaks.com/2010/10/remove-old-kernels-in-ubuntu-with-one-command/
dpkg -l linux-* | awk '/^ii/{ print $2}' | grep -v -e uname -r | cut -f1,2 -d"-" | grep -e [0-9] | xargs sudo apt-get -y purge
restart x-server

Depending if you use lightdm (ubuntu 11.10 and later), gdm (gnome) or kdm (KDE) you can use one of the following commands:

sudo restart lightdm
sudo restart gdm
or

sudo restart kdm
------------------------- ubuntu upgrade logs (start) -------------------------
http://duopetalflower.blogspot.com/2011/10/startingstopping-x-in-ubuntu-1110.html
Faenza Icon Theme Installation

sudo add-apt-repository ppa:tiheum/equinox
sudo apt-get update
sudo apt-get install faenza-icon-theme
Enabling Faenza Icon Theme
If Gnome Tweak Tool is not installed, then use this command to install it:

sudo apt-get install gnome-tweak-tool
ubuntu-tweak

sudo add-apt-repository ppa:tualatrix/ppa
sudo apt-get update
sudo apt-get install ubuntu-tweak
Launch Gnome Tweak Tool from the Unity Dash and head to the Theme tab, then select Faenza or its related themes from the "Icon theme" dropdown menu:

virtualbox

http://www.ubuntugeek.com/how-to-install-virtualbox-4-x-on-ubuntu-11-04natty.html
google-chrome

wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
/etc/apt/sources.list.d/google.list

deb http://dl.google.com/linux/chrome/deb/ stable main
sudo apt-get install google-chrome-stable
Jupiter

sudo add-apt-repository ppa:webupd8team/jupiter
sudo apt-get update
sudo apt-get install jupiter
some basic tools (alternative)

sudo apt-get install smplayer shutter aptitude samba compizconfig-settings-manager
sudo apt-get purge gnome-screenshot
view default settings of the samba

testparm -v | grep passwd
echo "deb http://security.ubuntu.com/ubuntu hardy-security main universe" >> /etc/apt/sources.list
sudo apt-get install vim-full vim-gnome
setup image viewer

sudo apt-get install gpicview gwenview
sudo apt-get purge eog shotwell
dev

sudo apt-get install nodejs apache2 php5 vim gvim ant curl ctags git subversion
enable the mod_rewrite

sudo a2enmod rewrite
jdk

sudo apt-get install openjdk-7-jdk
export JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk-i386