Ubuntu 16.04
install
#sudo apt-get install mosquitto mosquitto-clients
test (받기)
#mosquitto_sub -h localhost -t test
test (보내기)
mosquitto_pub -h localhost -t test -m "hello world"
Installing Certbot for Let's Encrypt Certificates
#sudo nano /etc/mosquitto/conf.d/default.conf
listener 1883 localhost
listener 8883
certfile /etc/letsencrypt/live/mqtt.example.com/cert.pem
cafile /etc/letsencrypt/live/mqtt.example.com/chain.pem
keyfile /etc/letsencrypt/live/mqtt.example.com/privkey.pem
재시작... (?? 잘안됨) kill -9
sudo systemctl restart mosquitto
참조 사이트 주의 사항.....영어 ???
https://www.digitalocean.com/community/tutorials/how-to-install-and-secure-the-mosquitto-mqtt-messaging-broker-on-ubuntu-16-04
폴더 리스트 가져오기 String path="C:\"; File dirFile=new File(path); File []fileList=dirFile.listFiles(); for(File tempFile : fileList) { if(tempFile.isFile()) { String tempPath=tempFile.getParent(); String tempFileName=tempFile.getName(); System.out.println("Path="+tempPath); System.out.println("FileName="+tempFileName); /*** Do something withd tempPath and temp FileName ^^; ***/ } } 정렬해서 가져오기 import java.io.FileFilter; import java.io.IOException; import java.util.Arrays; import java.util.Date; import org.apache.commons.io.comparator.LastModifiedFileComparator; import org.apache.commons.io.filefilter.FileFileFilter; public class LastModifiedFileComparatorTest { public static void main(String[] args) throws IOException { File directory = new File("."); // get just files, not directories File[] files = directory.listFiles((FileFilter) FileFileFilter.FILE); System.out.println("Defaul...
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