need centos expert to fix file permission for root -- 2

Update next problem - I tried restarting my server and now my server is unreachable, I am not able to access it I tried contacting my server company, they have provided me KVM remote access and they asked to configure network as they mentioned "from our side it seems to be a configuration issue. Please use the connected KVM to configure your network interface. " Problem? - no command is working, plesk server is not working, sql is not working due to permission, i am unable to login onto wordpress getting 403 error as a root if i am trying plesk repair it's also not working [root@servername ~]# plesk repair fs -y -bash: /usr/sbin/plesk: Permission denied Problem? - no command is working, plesk server is not working, sql is not working due to permission, i am unable to login onto wordpress getting 403 error as a root if i am trying plesk repair it's also not working [root@servername ~]# plesk repair fs -y -bash: /usr/sbin/plesk: Permission denied