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sed -i '/^old-value /s/=.*$/=new-value/' file-name

---

Example

cat terraform.tfvars.example project_id = "gcp-123"

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[PARSER]
    Name   apache
    Format regex
    Regex  ^(?<host>[^ ]*) [^ ]* (?<user>[^ ]*) \[(?<time>[^\]]*)\] "(?<method>\S+)(?: +(?<path>[^\"]*?)(?: +\S*)?)?" (?<code>[^ ]*) (?<size>[^ ]*)(?: "(?<referer>[^\"]*)" "(?<agent>[^\"]*)")?$
    Time_Key time
    Time_Format %d/%b/%Y:%H:%M:%S %z
 
[PARSER]
    Name   nginx
    Format regex

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version: "3.5"
services:
  fluentbit:
    image: cr.fluentbit.io/fluent/fluent-bit
    ports:
      - "24224:24224"
      - "24224:24224/udp"
    volumes:
      - ./:/fluent-bit/etc/
  flog:

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Jotting down some common terraform error messages one might encounter in their terraform journey.

---

│   on main.tf line xxx, in resource "google_compute_global_address" "xxx":
│  region = "us-central1"
│ 
│ An argument named "region" is not expected here.

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Create and Manage Cloud Resources: Challenge Lab Solution

Lab Link : Here

Task 1 :

• Create a project jumphost instance
• You will use this instance to perform maintenance for the project.

Requirements:

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If you face the below error message while starting minikube with podman as the driver, then follow the below solution :

Error message : Exiting due to RSRC_INSUFFICIENT_CORES: Requested cpu count 2 is greater than the available cpus of 1

Reason : - By default podman creates the VM with 1 vCPU. minikube (Kubernetes) requires minimum 2vCPU

Steps :

• Stop the existing VM :

podman machine stop

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• Create a file called lifecycle.json and append the below into it :

{
    "Rules": [
        {
            "ID": "Delete files older than 60 days",
            "Prefix": "",
            "Status": "Enabled",
            "Expiration": 
 {

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kubectl get no -l spotinst.io/node-lifecycle=od

The above will list all the nodes which have label key = spotinst.io/node-lifecycle and value = od

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{{ define "alert_severity_prefix_emoji" -}}
	{{- if ne .Status "firing" -}}
		:white_check_mark:
	{{- else if eq .CommonLabels.severity "critical" -}}
		:red_circle:
	{{- else if eq .CommonLabels.severity "warning" -}}
		:warning:
	{{- end -}}
{{- end -}}

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version: '3'
services:
  grafana:
    image: grafana/grafana:9.0.7
    container_name: grafana
    ports:
    - 3000:3000
    environment:
      - GF_DATABASE_NAME=grafana
      - GF_DATABASE_USER=postgres