Log in to your Grafana dashboard at PUBLICIP:3000. In another tab, go to the Grafana dashboard website. Search for the “Node Exporter Full” dashboard, and copy the dashboard ID. Back on your …
Install the prerequisite package: sudo apt-get install libfontconfig Download and install Grafana using the .deb package provided on the Grafana download page: wget https://dl.grafana.com/oss/release/grafana_5.4.3_amd64.deb sudo dpkg -i grafana_5.4.3_amd64.deb Ensure Grafana starts at boot: …
Open the Alertmanager configuration: $ sudo $EDITOR /etc/alertmanager/alertmanager.yml Set the default route’s repeat_interval to one minute and update the receiver to use our Slack endpoint: route: receiver: ‘slack’ group_by: [‘alertname’] group_wait: 10s …
Go to slack.com and create a new workspace, following the step-by-step instructions on screen until you are given your workspace. Be sure to add a prometheus channel! From your chat, use the workspace menu …
Now that we have a recording rule, we can build our alerting rule based on this. We know we want to alert when we have less than 75% of our …
Create the alertmanager system user: sudo useradd –no-create-home –shell /bin/false alertmanager Create the /etc/alertmanager directory: sudo mkdir /etc/alertmanager Download Alertmanager from the Prometheus downloads page: cd /tmp/ wget https://github.com/prometheus/alertmanager/releases/download/v0.16.1/alertmanager-0.16.1.linux-amd64.tar.gz Extract the files: tar -xvf alertmanager-0.16.1.linux-amd64.tar.gz …
Using the expression editor, view the uptime of all targets: up Since we don’t want to alert on each individual job and instance we have, let’s take the average of …
Importing the library & requiring it Move into the forethought directory: cd forethought Install the prom-client via npm, Node.js’s package manager: npm install prom-client –save Open the index.js file, where we’ll be adding all of our metrics …
Launch cAdvisor: $ sudo docker run \ –volume=/:/rootfs:ro \ –volume=/var/run:/var/run:ro \ –volume=/sys:/sys:ro \ –volume=/var/lib/docker/:/var/lib/docker:ro \ –volume=/dev/disk/:/dev/disk:ro \ –publish=8000:8080 \ –detach=true \ –name=cadvisor \ google/cadvisor:latest List available containers to confirm it’s …
File system metrics contain information about our mounted file systems. These metrics are taken from a few different sources, but all use the node_filesystem prefix when we view them in Prometheus. Although most of …
Run stress -m 1 on your server before starting this lesson. When it comes to looking at our memory metrics, there are a few core metrics we want to consider. Memory metrics …
Run stress -c 5 on your server before starting this lesson. With the Node Exporter up and running, we now have access to a number of infrastructure metrics on Prometheus, including data …
Create a system user: sudo useradd –no-create-home –shell /bin/false node_exporter Download the Node Exporter from Prometheus’s download page: cd /tmp/ wget https://github.com/prometheus/node_exporter/releases/download/v0.17.0/node_exporter-0.17.0.linux-amd64.tar.gz Extract its contents; note that the versioning of the …