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Conventions used

There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: "Even though we executed the docker command inside a container, the output clearly shows the images from the host."

A block of code is set as follows:

global: 
  scrape_interval:     15s 
 
scrape_configs: 
  - job_name: Prometheus 
    metrics_path: /prometheus/metrics 
    static_configs: 
      - targets: 
        - localhost:9090

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

global: 
  scrape_interval:     15s 
 
scrape_configs: 
  - job_name: Prometheus 
    metrics_path: /prometheus/metrics 
    static_configs: 
      - targets: 
        - localhost:9090

Any command-line input or output is written as follows:

docker container exec -it $ID \
 curl node-exporter:9100/metrics

Bold: Indicates a new term, an important word, or words that you see onscreen. For example, words in menus or dialog boxes appear in the text like this. Here is an example: "Please type test in the item name field, select Pipeline as the type, and click the OK button."

Warnings or important notes appear like this.

Tips and tricks appear like this.