fix GRUB missing in Windows/Linux dual-boot

Open a command prompt with elevated rights (run as admin) and run:

bcdedit /set {bootmgr} path \EFI\ubuntu\grubx64.efi

To restore to previous settings run:

bcdedit /deletevalue {bootmgr} path \EFI\ubuntu\grubx64.efi delete grub boot

bcdedit /set {bootmgr} path \EFI\Microsoft\Boot\bootmgfw.efi set windows boot

How to change icon size of the dock in Ubuntu / Unity

To change the size of the Dock icons go to:

Settings > Appereance > Dock > Icon Size

Disable ask for password after suspend in Ubuntu

Run in the terminal:

gsettings set org.gnome.desktop.screensaver ubuntu-lock-on-suspend false

Add Chrome shortcut for more profiles on desktop

1. Create a file named User.desktop

2.Edit the file:

#!/usr/bin/env xdg-open

[Desktop Entry]

Version=1.0

Type=Application

Terminal=false

Icon[en_US]=google-chrome

Exec=google-chrome --profile-directory=Profile\ 1

Name[en_US]=User

Name=User

Icon=google-chrome

3. Move the file on the desktop

4. Right click on he file and select "Allow Launching" 

5. Double click on the file to start chrome with your profile

Update Ubuntu to latest version from the Terminal

Open a terminal window and run:

sudo apt-get update
sudo apt-get upgrade
sudo apt-get dist-upgrade

Get Ubuntu version from the terminal

Open a terminal window and enter the following command:

lsb_release -a

Auto install latest drivers under Ubuntu

Open a terminal window and run:

sudo ubuntu-drivers autoinstall

Ubuntu: Install Java from terminal

Install Java 7:

sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java7-installer

Download multiple files / splitted archive from one command

If you have a splitted archived like file.part001.rar to file.part008.rar you cand download all file with this command:

wget https://myserver.net/files/file.part00{1..8}.rar

Install Midnight Commander from the terminal

Open the terminal and run:

sudo add-apt-repository ppa:eugenesan/ppa
sudo apt-get update
sudo apt-get install mc

Ubuntu: Install Google Chrome from the terminal

Open the terminal and run the following commands:

wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
sudo dpkg -i google-chrome-stable_current_amd64.deb

Enabling File Sharing in Ubuntu

• install samba
• sudo apt-get install system-config-samba
• open samba and go to Preferences > Server Settings
• set your workgroup name

If you want to enable file sharing between Ubuntu and Windows, enable the file sharing on both OS's and set the same workgroup

Modify boot order

Method 1: from the Terminal

• sudo gedit /etc/default/grub
• edit order and save the file
• sudo update-grub

Method 2: Install Grub Customizer

• sudo add-apt-repository ppa:danielrichter2007/grub-customizer
• sudo apt-get update
• sudo apt-get install grub-customizer
• after the install edit the order

Install Mac OS X Lion Theme On Ubuntu

Install Icons

• mkdir ~/.icons
• wget http://dl.dropbox.com/u/47950494/Mac-Lion-Icons.tar.gz
• tar -xzvf Mac-Lion-Icons.tar.gz -C ~/.icons

Install Cursors

• wget http://dl.dropbox.com/u/47950494/Mac-Lion-Cursors.tar.gz
• sudo tar -xzvf Mac-Lion-Cursors.tar.gz -C /usr/share/icons

Install Theme

• mkdir ~/.themes
• wget http://dl.dropbox.com/u/47950494/Mac-Lion-Theme.tar.gz
• tar -xzvf Mac-Lion-Theme.tar.gz -C ~/.themes

Enable Theme/Icons/Cursors

Method 1:

• gsettings set org.gnome.desktop.interface gtk-theme 'Mac-Lion-Theme'
• gsettings set org.gnome.desktop.interface icon-theme 'Mac-Lion-Icons'
• gconftool-2 --set --type string /apps/metacity/general/theme 'Mac-Lion-Theme'

Method 2:

• install GNOME Tweak Tool
  install sudo apt-get install gnome-tweak-tool
• open Theme tab and select:

  Cursor theme > Mac-Lion-Cursors
  Icon theme   > Mac-Lion-Icons
  GTK+ theme   > Mac-Lion-Theme
  Window theme > Mac-Lion-Theme

Remove applications menu from top panel [Unity/Ubuntu]

Applications menu will be displayed in the main window, not in the top panel:

sudo apt-get remove indicator-appmenu

Disable Ubuntu Startup sounds

• go to System / Preferences / Startup Applications

Show/hide Desktop icons (Computer/Home/Network) [Ubuntu]

• run in terminal (Ctrl+Alt+T): sudo gconf-editor
• go to apps / nautilus / desktop and enable/disable the icons you need

Desktop Gadgets for Ubuntu

• Screenlets

sudo apt-add-repository ppa:screenlets/ppa
sudo apt-get update
sudo apt-get install screenlets

Change login Screen [Ubuntu]

1. Activate the Appearance window at login:

• sudo cp /usr/share/applications/gnome-appearance-properties.desktop /usr/share/gdm/autostart/LoginWindow

2. re-login
3. select a wallpaper from the background tab
4. Disable the Appearance window at login:

• sudo unlink /usr/share/gdm/autostart/LoginWindow/gnome-appearance-properties.desktop