add custom file in sshd_config.d to override but not modify original config

initial.sh

@@ -37,9 +37,13 @@ usermod -aG docker ${nml_user_name}
 echo "${nml_user_name}:${password}" | chpasswd
 
 # 修改ssh端口和禁止root登陆
-cp ${SSHCONF} ${SSHCONF}.bak
-sed -i "s/Port 22/Port ${new_port}/g" "${SSHCONF}"
-sed -i 's/PermitRootLogin yes/PermitRootLogin no/g' "${SSHCONF}"
+# cp ${SSHCONF} ${SSHCONF}.bak
+# sed -i "s/Port 22/Port ${new_port}/g" "${SSHCONF}"
+# sed -i 's/PermitRootLogin yes/PermitRootLogin no/g' "${SSHCONF}"
+cat > /etc/ssh/sshd_config.d/custom_sshd.conf << EOF
+Port ${new_port}
+PermitRootLogin yes
+EOF
 
 timedatectl set-timezone Asia/Shanghai
 echo `date`