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nodm version 0.13
January 2020


A display manager automatically starting an X session


nodm - X display manager for automatic logins


nodm [\,options\/]


nodm is a minimal display manager that simply logs in as a given user and starts an X session, without asking for username or password.
On a normal computer, using nodm is a big security issue because it would give anyone access to the computer.
However, there are cases where automatic login is needed: for example in an embedded system such as a mobile phone, or in a kiosk setup, or in a control panel for industrial machinery. For those cases, nodm is simple to setup, lightweight, and it should do exactly the right thing.


--help print this help message
print nodm’s version number
verbose outpout or logging
--quiet only log warnings and errors
run a nested X server, does not require root. The server defaults to "/usr/bin/Xnest :1", override with NODM_X_OPTIONS
enable/disable logging to syslog
enable/disable logging to stderr


nodm is written and maintained by Enrico Zini <> and Joachim Breitner <>.


xinit(1), xdm(1), gdm(1), kdm(1).
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