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Prometheus Reload without command line restart How to check your prometheus.yml is valid How to Shutting down Prometheus? Prometheus is a standard Unix binary, so can be asked to shutdown…

“I cannot find answers to my geometry homework. Can someone help me?” This online request is amongst the most popular questions left by thousands of students from all over the…

Step 1 – Download a Latest version of logstash. https://www.elastic.co/downloads/logstash Step 2 – Configure first pipeline $ vi logstash-7.2.0/first-pipeline.conf Step 3 – To verify your configuration, run the following command:…

Filebeat client is a lightweight, resource-friendly tool that collects logs from files on the server and forwards these logs to your Logstash instance for processing. Filebeat is designed for reliability…

Elasticsearch How to get previous version of docuents? No, you can’t do this using the built-in versioning. All that does is to store the current version number to prevent you…

Reference Sample Data & Query – https://github.com/devopsschool-demo-labs-projects/elasticsearch

Reference Sample Data & Query – https://github.com/devopsschool-demo-labs-projects/elasticsearch

Debug Log Level Values Debug messages The default is none, your choices are: NONE Do not show any errors or warnings (Default) ALL Show all reasonable PHP debug messages MINIMALS…

the _seq_no and _primary_term as parameter needed to implement the optimistic locking. Elasticsearch keeps tracks of the sequence number and primary term of the last operation to have changed each…

Sample Data Reference Sample Data & Query – https://github.com/devopsschool-demo-labs-projects/elasticsearch

Reference Sample Data & Query – https://github.com/devopsschool-demo-labs-projects/elasticsearch

Inspect the containers to find out the following information. What environments variables, Env, are available in the containers? What ports are exposed, ExposedPorts, in the containers? What command, Cmd and…

Required Images. Run the mySql Docker Container Run the wordpress Docker Container Run the following commands and what kinds of environment variables its get exposed to wordpress after linking the…

Lesson Objectives Understanding where images come from Pulling a Docker image from Docker Hub Pushing a Docker image to Docker Hub Getting an image from Docker Hub Docker Hub is the…

Basics of Docker Networking Docker automatically sets up the bridge by default and automatically allocates every container a dynamic ip address out of subnet ranges When you install Docker, it…

Simple Flow to Create Volume /john1 The volume is exist even you restarts. Lets build a image with predefined Volume Mapping between Host Volume and Containers Senario 1 – Read…

Start some containers In this section you will start up some containers that you can work with in the following sections. When all the containers are started it will look…

Requirements Linux OS X Windows 7.1, 8 or newer BUT NOT Windows 10. Install Docker Installation and Configuration Pull commonly used images The following images will be used during the…

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As they say, when you are a student, you live your brightest life. But they often forget to mention that when you are a student, you often don’t have enough…

In the age of technology, we find ourselves accessible and being everyday detectives. Anything you want to know is a couple button pushes away. While this is empowering, it’s also…

How to change the cgroup driver from cgroupfs to systemd in RHEL/Centos? How to change the cgroup driver from cgroupfs to systemd in Ubuntu

Step – 1 – Install “Artifactory” Jenkins plugins Step – 2 – Configure Artifactory servers Step – 3 – Configure Jenkins Jobs

Step 1 – Check mysql version supported by artiafactory 7.x Artifactory supports MySQL v5.5, 5.6, 5.7 and 8.x with InnoDB engine which is the default provided. Step 2 – Take…

Step – 1: Install Required version of JAVA Step – 2: Downlod and Extract Step – 3: Set gradle into a path $ export PATH=$PATH:/opt/gradle/gradle-7.1.1/bin$ gradle -version$ gradle -help

Sample Code https://github.com/devopsschool-demo-labs-projects/artifactory-sample-code Method # 1 – Using Profile – setting.xml with “repositories” and pluginRepositories element Method # 2 – setting.xml with mirrors element. Belew content is for this only….