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    • How to delete files in linux

      When we try the linux system, we need to delete a file, we can try the rm command to delete it quickly.

    • how to delete a folder in linux

      When we use a linux system, we can quickly delete a folder through the rm command line.

    • How to close the port in linux

      Open the command line tool in linux, you can use the firewall-cmd command line tool to quickly close the specified port.

    • how to open specified port in linux

      Open the Linux command line program and use the firewall-cmd command to quickly open the specified port number.

    • How to open ephemeral ports in linux

      Open the linux command line tool, use the firewall-cmd command line tool to quickly open the specified port, and automatically close after restarting.

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