s SELinux enabled? You may need to disable it temporarily code example

Example 1: turn off selinux centos

//This disables selinux this boot
$ setenforce 0

//To entirely disable selinux
$ sudo vi /etc/sysconfig/selinux

//Change the SELINUX=enforcing directive to SELINUX=disabled.

//Then reboot

Example 2: centos selinux set permissive

sudo setenforce 0