To open the Firefox developer tools, press Ctrl-Shift-K. This is good if you have Firebug installed, as F12 will open it instead. To take a full-page screenshot of a web site, press Shift-F2 and then type this command and hit press ENTER. screenshot –fullpagescreenshot –fullpage This will be saved in the ~/Downloads folder by default. …

To open a new virtual terminal to enter commands, use the Ctrl-Alt-F2 key combination and enter your username and password. This is a virtual terminal where you can control your system with a distraction free full-screen terminal. There are key combinations to switch between virtual terminals, read more here: http://www.tldp.org/LDP/GNU-Linux-Tools-Summary/html/virtual-terminals.html. To get a version of …

Using the shellshock bash bug on an iMac. iMac04:~ admin$ env VAR1=’me() {echo "hello"}\ ‘ /bin/echo "hello" helloiMac04:~ admin$ env VAR1=’me() {echo "hello"}\ ‘ /bin/echo "hello" hello Getting free hard disk space easily. iMac04:~ admin$ df -Hla Filesystem Size Used Avail Capacity iused ifree %iused Mounted on /dev/disk0s2 89G 64G 25G 73% 15757422 6089307 72% …

This is how to automatically remove unneeded packages on your Linux Mint system. [email protected]:~$ sudo apt-get autoremove [sudo] password for jason: Reading package lists… Done Building dependency tree Reading state information… Done The following packages will be REMOVED: libglib2.0-0:i386 libgstreamer-plugins-base0.10-0 libgstreamer-plugins-base0.10-0:i386 libgstreamer0.10-0 libgstreamer0.10-0:i386 liborc-0.4-0:i386 libpgm-5.1-0 libpoppler57 libpth20 libsndio6.0 libzmq3 qtdeclarative5-qtfeedback-plugin qtdeclarative5-ubuntu-web-plugin 0 to upgrade, 0 …

How to expand a VDI disk image on a Macintosh computer: http://mithunme.wordpress.com/2013/07/08/how-to-increase-the-disk-size-of-a-ubuntu-vdi-on-mac/. This would also be applicable to a Linux machine. A very useful tip. How to add a standard user to the /etc/sudoers file on a Macintosh computer: http://mithunme.wordpress.com/2013/02/10/adding-a-standard-user-to-etcsudoers-in-mac-os-x/. This is also applicable to a Linux machine. How to install World Of Warcraft on …

http://www.securitronlinux.com/bejiitaswrath/lovely-gtk-themes-for-the-linux-mint-mate-desktop/. Some very useful and attractive themes and wallpapers for Linux Mint MATE and other desktops. http://www.securitronlinux.com/linux-mint-2/how-to-install-a-lovely-windows-7-gtk-theme-on-linux-mint-14/. How to install a Windows 7 Basic styled theme for the MATE desktop. http://www.securitronlinux.com/bejiitaswrath/windows-8-metro-ui-theme-for-metacity-available-make-your-linux-mint-mate-desktop-look-like-windows-8/. how to install a Windows 8 Metacity theme for the Gnome and MATE desktops. This one is really good. http://www.securitronlinux.com/linux-mint-2/disable-desktop-icons-on-the-linux-mint-13-mate-desktop-very-easy-with-the-configuration-editor/. how to disable the …

The main thing about using Linux is getting it installed is one thing; but getting various hardware working and configured is another. Nvidia drivers are one major stumbling block for willing Ubuntu users. Here is a nice tutorial that explains how to install Nvidia drivers in Ubuntu 12.10 Quantal Quetzal:¬†http://www.dedoimedo.com/computers/ubuntu-quetzal-nvidia.html. To install updates after the …

  http://gentoomen.org/tutorials/resources.html. The gentoomen.org resources page. Very good list of links to various tutorials and help pages. http://tldp.org/LDP/abs/html/. The Advanced BASH scripting guide. ftp://ftp.vim.org/pub/vim/doc/book/vimbook-OPL.pdf. The VIM guideboook. http://stommel.tamu.edu/~baum/programming.html. 3000 useful guides to programming and Linux documentation and help pages. http://samizdat.mines.edu/howto/HowToBeAProgrammer.html. How to be a programmer. A short but comprehensive summary. http://www.psychocats.net/ubuntu/index. Ubuntu resources page. Everything …