Per tip in this article here, add users to the wheel group to grant sudoer access (as root):
usermod -aG wheel username
Using systemctl to start, stop and enable service start at boot
sytemd managed services are controlled using systemctl.
To start|stop a service:
sudo systemctl start|stop servicename
To set a service to start on boot:
sudo systemctl enable servicename
More examples and details in this article.
Following redirects with curl
Using curl by default will return the response of a request as-is. If the response is a redirect, you can tell curl to follow the redirect with the -L option, e.g.
curl -L http://some.site
To use curl to download a file, use the -O option.
Looking up ip address in a CentOS 7 minimal install
In a minimal CentOS 7 install, there’s no ifconfig to check your network settings. Instead use
ip addr
More info here.