show port list in centos
# netstat -tulnpshow port list in centos
# netstat -tulnpcentos 7 port open
firewall-cmd --zone=public --add-port=55555/tcp --permanent
firewall-cmd --reloadhow to chanbge port number on centos8
sudo vi /etc/ssh/sshd_configCopyright © 2021 Codeinu
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