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Change login process
Post 303000917 by halfboy on Sunday 23rd of July 2017 03:35:37 PM
07-23-2017
Change login process
Hello everybody !
At the beginning - I hope everything will be understandable as I know that my english skills are not as good as I would like.
I use Manjaro Linux for one year, previously used Ubuntu for 6 years. Today I got an idea to create small USB electronic device but I don't know how to manage it under Linux. What this device should do ? This will be small box with USB interface, inside will be electronics to detect RFID card. If user will approach his RFID card to device - Linux should login that user to system. I suppose that I should write small linux kernel driver to USB that will be run in background and each correct try will log user. Of course, when user has no card it is still possible to login by login and password. My biggest problem is: how to change behaviour of standard Linux login window? What should I google or where find information? I'm not afraid with changing kernel, writing new modules, I would like to learn Linux at all
Thanks in advance for ideas !
Greetings
Mateusz
At the beginning - I hope everything will be understandable as I know that my english skills are not as good as I would like.
I use Manjaro Linux for one year, previously used Ubuntu for 6 years. Today I got an idea to create small USB electronic device but I don't know how to manage it under Linux. What this device should do ? This will be small box with USB interface, inside will be electronics to detect RFID card. If user will approach his RFID card to device - Linux should login that user to system. I suppose that I should write small linux kernel driver to USB that will be run in background and each correct try will log user. Of course, when user has no card it is still possible to login by login and password. My biggest problem is: how to change behaviour of standard Linux login window? What should I google or where find information? I'm not afraid with changing kernel, writing new modules, I would like to learn Linux at all
Thanks in advance for ideas !
Greetings
Mateusz
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LEARN ABOUT X11R4
securetty
SECURETTY(5) Linux Programmer's Manual SECURETTY(5) NAME
securetty - file which lists terminals from which root can log in DESCRIPTION
The file /etc/securetty contains the names of terminals (one per line, without leading /dev/) which are considered secure for the transmis- sion of certain authentication tokens. It is used by (some versions of) login(1) to restrict the terminals on which root is allowed to login. See login.defs(5) if you use the shadow suite. On PAM enabled systems, it is used for the same purpose by pam_securetty(8) to restrict the terminals on which empty passwords are accepted. FILES
/etc/securetty SEE ALSO
login(1), login.defs(5), pam_securetty(8) COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/. Linux 2015-03-29 SECURETTY(5)