修改 ssh 22 端口

vi /etc/ssh/sshd_config
Port xxxx
sysemctl restart sshd

修改 git 对应端口 vi /.git/config

url = ssh://git@server:xxxx/root/test.git

rsync 指定端口

rsync -e 'ssh -p xxxx'

ssh 指定端口

ssh -p xxxx root@server "systemctl restart heepark"

修改 MySQL 3306 端口

vi /etc/my.cnf.d/server.cnf

[mysqld]  
port=xxxx

systemctl restart mariadb