[Linux] SSH Port 변경

change to ssh port in command

sudo viㅡ /etc/ssh/sshd_config

#Port 22 부분을 수정해줍니다. (주석도 지워줍니다.)

Port <port>

systemctl restart sshd

shell script

Change to SSH Port in Shell Script - sed

sed -i "s|#Port 22|Port <port>|g" /etc/ssh/sshd_config
systemctl restart sshd

Change to SSH Port in Shell Script - echo

echo "Port <port>" >> /etc/ssh/sshd_config
systemctl restart sshd