> if i don't remember wrong this number in FreeBSD is below 10000 by default You are wrong. ulimit -Hn; ulimit -Sn 467631 467631 Now try that on RedHat/Cent

> if i don't remember wrong this number in FreeBSD is below 10000 by default You are wrong. ulimit -Hn; ulimit -Sn 467631 467631 Now try that on RedHat/CentOS as a default non-root user.