0. Description For the initial stage of big data learning, I also tried to build a corresponding cluster environment. Understand some functions, configurations, and principles of components by building an environment. In the actual learning process, I mostly use docker to quickly build the environment. Here is a record of my process of building hadoop. […]
Tag: hue
k8s install kube-promethues (version 0.7)
k8s install kube-promethues (version 0.7) 1. Check the local k8s version and download the corresponding installation package kubectl version As shown in the picture, it is version 1.19 Go to the kube-promethus download address and find out which kube-promethues version is suitable for your k8s version. Then download the appropriate version for yourself #You can […]
Use Hue to play with Amazon EMR (SparkSQL, Phoenix) and Amazon Redshift
Current situation Apache Hue is a web-based interactive SQL assistant that can help big data practitioners (data warehouse engineers, data analysts, etc.) interact with data warehouses in SQL. Install Hue by checking the box when your Amazon EMR cluster starts. After Hue is enabled, the original work of logging in to the master node to […]
DHTesp-push DHT22-to promethues-pushgateway
esp32-anduino.ino code #include <WiFi.h> #include <WiFiMulti.h> WiFiMulti WiFiMulti; #include <DHTesp.h> DHTesp dht; // change values to your own setup const char SSID[] = “xxxxxxxx”; // your WiFi name const char PASSWORD[] = “xxxxxxxxxxxxxx”; // your WiFi password const char * HOST = “xxxxxxxxxxxxx”; // pushGW: ip or dns const uint16_t PORT = 9091; // pushGW: […]
Promethues monitors SSL domain name expiration time
Promethues monitoring SSL domain name expiration time deployment document Promethues configuration Configuration file: Deployment address: /usr/local/prometheus/ Configuration file: prometheus.yml # my global config global: scrape_interval: 15s # Set the scrape interval to every 15 seconds. Default is every 1 minute. evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute. # […]
By adjusting the image hue value and combining with the ImageEnhance library to achieve hue enhancement
Foreword The ImageEnhance class in the PIL library can be used for image enhancement, which can adjust the brightness, contrast, hue and sharpness of the image. The hue of the image can be adjusted by converting from RGB to HSV and adjusting. The combination of the two methods can achieve a greater degree of image […]
Compile and install Hue to adapt to sparksql (hue+livy+sparksql+pyspark)
1. Foreword This article takes you to compile hue together, and use hue to adapt livy + spark. By combining Hue, Livy and Spark SQL, you can write and execute SQL queries in a friendly web interface, and run them on a remote Spark cluster. 1. Introduction to Hue Hue (Hadoop User Experience) is an […]
HUE source code compilation and installation
Installation environment and installation package centos7 hue-4.5.0 Node.js 10.6.0 Note: The linux system first creates a hue user, and installs the mysql-5.7 database in the hue user Download the installation package hue-4.5.0 The extraction address of the hue installation package Link: Baidu Netdisk Please enter the extraction code Extraction code: 09fs Download npm Download Node.js […]