pc support

Privileges sudo command - run command as root sudo su - open a root shell sudo su user - open a shell as user sudo -k - forget sudo passwords gksudo command - visual sudo dialog (GNOME) kdesudo command - visual sudo dialog (KDE) sudo visudo - edit /etc/sudoers gksudo nautilus - root file manager (GNOME) kdesudo konqueror - root file manager (KDE) passwd - change your password Display sudo /etc/init.d/gdm restart - restart X (GNOME) sudo /etc/init.d/kdm restart - restart X (KDE) (file) /etc/X11/xorg.conf - display configuration sudo dpkg-reconfigure -phigh xserver-xorg - reset X configuration Ctrl+Alt+Bksp - restart X display if frozen Ctrl+Alt+FN - switch to tty N Ctrl+Alt+F7 - switch back to X display This command will usually tell you the vendor and model of your graphic card list lspci lspci -v lspci -v | less System Services start service - start job service (Upstart) stop service - stop job service (Upstart) status service - check if service is running (Upstart) /etc/init.d/servic

Delete your Contacts cache folder If your contact list is empty or incomplete after you upgrade to Windows Live Messenger, the cached contact list may not have updated correctly. Before you can delete your Contacts cache folder, make sure you can view your complete folder list in Windows Explorer. View your complete folder list On the taskbar, right-click Start, and then select Explore. Click on Tools, and then select Folder Options. In the Folder Options window, click the View tab. In the Advanced Settings list, select Show hidden files and folders, make sure Hide extensions for known file types is not selected, and then click OK. In the Windows Explorer window, click View, select Explorer Bar, and then verify that Folders is checked. Delete your Contacts cache folder After changing your Windows Explorer settings: On the taskbar, right-click Start, and then select Explore. In the folder list on the left-hand pane, navigate to the folder C:\Documents and Settings\Your Windows logon n