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I am very much new in Ubuntu [though not that much newbe in Red Hat !!] . Since I have installed ubuntu in my box , I tried to login ,it says that I can't login as a root from that screen. I have to login as a non root user. But I can login as root from "Recovery mode".
Anyway after logging in as a non root user , I can do "su root" , requires administrator pass , but outside that terminal window I can't have that root access , i mean I can't copy paste any files in graphical window since they show I have not access .
eeeboy: Not allowing root login is a feature somewhat unique to Ubuntu, but you are assigned to group admin by default and have root privileges when using sudo.
Review the sudo manpage and you will discover numerous ways to overcome this limitation.
~$ sudo visudo
# Members of the admin group may gain root privileges
%admin ALL=(ALL) ALL
-xxxxxxx- adm dialout cdrom floppy audio dip video plugdev scanner netdev lpadmin powerdev admin
I made a menu item; "Root file browser" that I use. Open "edit menus" and click on the administration menu. Select "new item". In the command box put "gksu nautilus". Name it what you want. Close up everything and then open the administration menu, you'll see "Root File Browser". When you click on it you'll be prompted for your password and the browser will open with root privileges.