> For the complete documentation index, see [llms.txt](https://cgo.gitbook.io/my-it-blog/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cgo.gitbook.io/my-it-blog/linux-1/file-descriptor-limit-1024.md).

# 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。