...one of these values, it will be set to the contents of /proc/sys/fs/nr_open instead (see setrlimit(3)). If a hard limit or soft limit of a resource is set to a valid value, but …...ystem calls that fail when encountering this limit fail with the error ENFILE . (See also setrlimit (2), which can be used by a process to set the per-process limit, RLIMIT_NOFI…...t to do after rebooting? /proc/sys/kernel/rtsig-max (Up to and including Linux 2.6.7; see setrlimit (2)) This file can be used to tune the maximum number of POSIX real-time (que…...ese settings control various default resource limits for processes executed by units. See setrlimit (2) for details. These settings may be overridden in individual units using t…...ese settings control various default resource limits for processes executed by units. See setrlimit (2) for details. These settings may be overridden in individual units using t…...ese settings control various default resource limits for processes executed by units. See setrlimit (2) for details. These settings may be overridden in individual units using t…...ese settings control various default resource limits for processes executed by units. See setrlimit (2) for details. These settings may be overridden in individual units using t…Execution environment configuration NAME systemd.exec - Execution environment configuration SYNOPSIS service .service, socket .socket, mount .mount, swap .swap DESCRIPTION Unit con…