CentOS修改ulimit
一、概述 查看limit配置 # ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 7257 max locked memory (kbytes, -l) 64 max memory size (kbytes, -m) unlimited open files (-n) 1024 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 8192 cpu time (seconds, -t) unlimited max user processes (-u) 7257 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited 其中最大进程数和最大文件打开数，需要修改一下。否则相关软件，无法启动。 二、永久生效的方法 环境说明 操作系统：centos 6.9 limits