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January 25, 2021 ~ 1 min read

Ulimit values

Item Keyword Description
core limits the core file size (KB)
data max data size (KB)
fsize maximum filesize (KB)
memlock max locked-in-memory address space (KB)
nofile max number of open file descriptors
rss max resident set size (KB)
stack max stack size (KB)
cpu max CPU time (MIN)
nproc max number of processes
as address space limit (KB)
maxlogins max number of logins for this user
maxsyslogins max number of logins on the system
priority the priority to run user process with
locks max number of file locks the user can hold
sigpending max number of pending signals
msgqueue – max memory used by POSIX message queues (bytes)
nice max nice priority allowed to raise to values: [-20, 19]
rtprio max realtime priority
chroot change root to directory (Debian-specific)

Sebastian Bolaños

Hi, I'm Sebastian. I'm a software developer from Costa Rica. You can follow me on Twitter. I enjoy working on trustless systems.