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CentOS 7 / RHEL 7 – Open ports
One of the most common things I do on Linux machines is open ports to test software in a development environment. In the past, that meant trying to remember (and Googling) cryptic iptables commands. Now, CentOS 7 and Red Hat 7 include the nicer firewall-cmd tool to configure the firewall. First, ensure the firewall-cmd service is running: [root@localhost…