08-10-2004
AIX definition of maxuprc
There seems to be a good deal of contradiction about what maxuprc means in AIX5.2
My understanding is that this is a firm limit of processes per user ID on a system. e.g. If a user is logged on twice, the total number of processes owned by that user ID across both sessions is maxuprc.
My colleague says it is a limit per session. e.g. If the user is logged on twice, then that user ID can have 2 * maxuprc running in the system (up to maxuprc per each session)
Can anyone clarify?
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LEARN ABOUT MOJAVE
systemd-logind
SYSTEMD-LOGIND.SERVICE(8) systemd-logind.service SYSTEMD-LOGIND.SERVICE(8)
NAME
systemd-logind.service, systemd-logind - Login manager
SYNOPSIS
systemd-logind.service
/lib/systemd/systemd-logind
DESCRIPTION
systemd-logind is a system service that manages user logins. It is responsible for:
o Keeping track of users and sessions, their processes and their idle state. This is implemented by allocating a systemd slice unit for
each user below user.slice, and a scope unit below it for each concurrent session of a user. Also, a per-user service manager is
started as system service instance of user@.service for each logged in user.
o Generating and managing session IDs. If auditing is available and an audit session ID is already set for a session, then this ID is
reused as the session ID. Otherwise, an independent session counter is used.
o Providing PolicyKit-based access for users for operations such as system shutdown or sleep
o Implementing a shutdown/sleep inhibition logic for applications
o Handling of power/sleep hardware keys
o Multi-seat management
o Session switch management
o Device access management for users
o Automatic spawning of text logins (gettys) on virtual console activation and user runtime directory management
User sessions are registered with logind via the pam_systemd(8) PAM module.
See logind.conf(5) for information about the configuration of this service.
See sd-login(3) for information about the basic concepts of logind such as users, sessions and seats.
See the logind D-Bus API Documentation[1] for information about the APIs systemd-logind provides.
For more information on the inhibition logic see the Inhibitor Lock Developer Documentation[2].
SEE ALSO
systemd(1), systemd-user-sessions.service(8), loginctl(1), logind.conf(5), pam_systemd(8) sd-login(3)
NOTES
1. logind D-Bus API Documentation
https://www.freedesktop.org/wiki/Software/systemd/logind
2. Inhibitor Lock Developer Documentation
https://www.freedesktop.org/wiki/Software/systemd/inhibit
systemd 237 SYSTEMD-LOGIND.SERVICE(8)