ubuntu limit设置
```
echo "* soft nproc 1000000" >>/etc/security/limits.conf
echo "* hard nproc 1000000" >>/etc/security/limits.conf
echo "* soft nofile 1000000" >>/etc/security/limits.conf
echo "* hard nofile 1000000" >>/etc/security/limits.conf
echo "root soft nproc 1000000" >>/etc/security/limits.conf
echo "root hard nproc 1000000" >>/etc/security/limits.conf
echo "root soft nofile 1000000" >>/etc/security/limits.conf
echo "root hard nofile 1000000" >>/etc/security/limits.conf
sed '31 isession required pam_limits.so' -i /etc/pam.d/common-session
sed '30 isession required pam_limits.so' -i /etc/pam.d/common-session-noninteractive
```
sed '12 iminfds=1000000' -i /etc/supervisor/supervisord.conf