redhat 6 su: 无法设置用户ID: 资源暂时不可用

cat /etc/security/limits.conf

* soft nproc 2047

* hard nproc 16384

cat /etc/security/limits.d/90-nproc.conf

# Default limit for number of user's processes to prevent

# accidental fork bombs.

# See rhbz #432903 for reasoning.

*          soft    nproc     1024  # 把此处默认的1024 改大