Ubuntu Card in Login interface to solve the cycle of landing

At noon time accidentally to damage the/TMP, at night back to the computer card in the landing interface cycle landing has been into the

bring up Tty1 . Delete/tmp new/TMP changed permissions to 1777 restart

sudo rm-r/tmpsudo mkdir/tmpsudo chmod 1777/tmpsudo reboot

After restarting the Guest account can be used normally, but the main account or card in the login interface has been circulating login

Then pull up tty1 deleted the master account ~ under. Xauthority is finally back to normal.

sudo rm. Xauthority

Ubuntu Card in Login interface to solve the cycle of landing