caddy启动时提示：File descriptor limit 1024 is too low for production servers

提示：caddy: WARNING: File descriptor limit 1024 is too low for production servers. At least 8192 is recommended. Fix with "ulimit -n 8192". 解决方法：vi /etc/security/limits.conf 加入： * soft nofile 65535 * hard nofile 65535 * soft nproc 65535 * hard nproc 65535 root soft nofile 65535 root hard nofile 65535 root soft nproc 65535 root hard nproc 65535 然后按Esc键，输入:wq保存退出，输入命令exit注销当前帐户再登录进即生效。