The pam_env PAM module allows the (un)setting of environment
variables. Supported is the use of previously set environment
variables as well as PAM_ITEMs such as PAM_RHOST.
By default rules for (un)setting of variables are taken from the
config file /etc/security/pam_env.conf. An alternate file can be
specified with the conffile option.
Second a file (/etc/environment by default) with simple KEY=VAL pairs
on separate lines will be read. With the envfile option an alternate
file can be specified. And with the readenv option this can be
Third it will read a user configuration file ($HOME/.pam_environment
by default). The default file file can be changed with the
user_envfile option and it can be turned on and off with the
Since setting of PAM environment variables can have side effects to
other modules, this module should be the last one on the stack.
Indicate an alternative pam_env.conf style configuration file to
override the default. This can be useful when different services
need different environments.
A lot of debug information is printed with syslog(3).
Indicate an alternative environment file to override the default.
The syntax are simple KEY=VAL pairs on separate lines. The export
instruction can be specified for bash compatibility, but will be
ignored. This can be useful when different services need
Turns on or off the reading of the file specified by envfile (0
is off, 1 is on). By default this option is on.
Indicate an alternative .pam_environment file to override the
default.The syntax is the same as for /etc/environment. The
filename is relative to the user home directory. This can be
useful when different services need different environments.
Turns on or off the reading of the user specific environment
file. 0 is off, 1 is on. By default this option is on.
This page is part of the linux-pam (Pluggable Authentication Modules
for Linux) project. Information about the project can be found at
⟨https://fedorahosted.org/linux-pam/⟩. If you have a bug report for
this manual page, see ⟨https://fedorahosted.org/linux-pam/report⟩.
This page was obtained from the tarball Linux-PAM-1.3.0.tar.gz
fetched from ⟨http://www.linux-pam.org/library/⟩ on 2017-03-13. If
you discover any rendering problems in this HTML version of the page,
or you believe there is a better or more up-to-date source for the
page, or you have corrections or improvements to the information in
this COLOPHON (which is not part of the original manual page), send a
mail to firstname.lastname@example.org
Linux-PAM Manual 04/01/2016 PAM_ENV(8)