Is it possible to change the user "tc" to another name?
And how can i pswd protect the access to the box? Actually the bootprocess automatically brings me to /home/tc/ without any protection (by sudo su i even can become root without any pswd protection - which is odd IMHO).
(When i do su i'm asked for the pswd ... (1)
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(1) Regard passwords: For me the secure option in extlinux.conf did not work. It was like the asked pswds were not stored. So i got pswds in this way: For root, i became root by "sudo su" > 'passwd' The same procedure for user "tc" ; this passwords obviously are stored and work. I checked it by going to the console and typing in login, either for root or for tc.