### Install Humio CLI on Linux

Source: https://github.com/humio/cli/blob/master/README.md

Installs the Humio CLI on Linux using Snapcraft.

```bash
sudo snap install humioctl
```

--------------------------------

### Install Humio CLI via Go

Source: https://github.com/humio/cli/blob/master/README.md

Installs the Humio CLI using the Go programming language's install command.

```bash
go install github.com/humio/cli/cmd/humioctl@latest
```

--------------------------------

### Install Humio CLI with Nix

Source: https://github.com/humio/cli/blob/master/README.md

Installs the Humio CLI using Nix package manager.

```bash
nix-env -i humioctl
```

--------------------------------

### Install Humio CLI on MacOS

Source: https://github.com/humio/cli/blob/master/README.md

Installs the Humio CLI using Homebrew on macOS.

```bash
brew tap humio/humio
brew install humioctl
```

--------------------------------

### Run Humio tests locally

Source: https://github.com/humio/cli/blob/master/e2e/README.md

Run the end-to-end tests against a locally running Humio instance, skipping the setup and teardown of docker containers. This is useful for faster test development cycles.

```shell
$ ./run.bash --skip-humio
```

--------------------------------

### Query Data with Label

Source: https://github.com/humio/cli/blob/master/README.md

Example of a Humio query that groups data by log level, using a label defined during ingestion.

```java
@label = "work-related" | groupby(loglevel)
```

--------------------------------

### Create Humio Repository from File

Source: https://github.com/humio/cli/wiki/Home

Use this command to create a new Humio repository using a configuration file.

```bash
humio repo create --file=<path>
```

--------------------------------

### List Humio Repositories

Source: https://github.com/humio/cli/wiki/Home

Use this command to list all available repositories in Humio.

```bash
humio repo list
```

--------------------------------

### List Humio Views

Source: https://github.com/humio/cli/wiki/Home

Use this command to list all available views in Humio.

```bash
humio view list
```

--------------------------------

### Run Humio CLI

Source: https://github.com/humio/cli/blob/master/README.md

Executes the Humio CLI to initiate connection to a Humio cluster.

```bash
humioctl
```

--------------------------------

### Push Humio Repository Configuration

Source: https://github.com/humio/cli/wiki/Home

Use this command to push repository configuration from a file. It accepts the same arguments as the 'create' command.

```bash
humio repo push <path> ([-c] | [--create])
```

--------------------------------

### Show Humio View Details

Source: https://github.com/humio/cli/wiki/Home

Use this command to display details for a specific Humio view.

```bash
humio view show <name>
```

--------------------------------

### Show Humio Repository Details

Source: https://github.com/humio/cli/wiki/Home

Use this command to display details for a specific Humio repository.

```bash
humio repo show <name>
```

--------------------------------

### Build the CLI

Source: https://github.com/humio/cli/blob/master/e2e/README.md

Build the humioctl CLI before running tests. This command should be executed from the root of the project.

```shell
$ make build
```

--------------------------------

### Create Humio Repository

Source: https://github.com/humio/cli/wiki/Home

Use this command to create a new Humio repository. Optional arguments include retention settings and archiving configuration.

```bash
humio repo create <name> [--retention-size=<gb>] [--retention-days=<num>] [--archiving-enabled=<bool>] [--archiving-bucket=<bucket>] [--archiving-region=<region>]
```

--------------------------------

### List Humio CLI Commands

Source: https://github.com/humio/cli/blob/master/README.md

Displays all available commands and options supported by the Humio CLI.

```bash
humioctl help
```

--------------------------------

### List Humio Dashboard Links

Source: https://github.com/humio/cli/wiki/Home

Use this command to list all dashboard links in Humio.

```bash
humio dashboard links list
```

--------------------------------

### Create Humio User

Source: https://github.com/humio/cli/wiki/Home

Use this command to create a new user in Humio. Optional arguments allow setting name, country, email, and root privileges.

```bash
humio users create <username> [--name=<name>] [--country=<code>] [--email=<email>] [--root=true] ...
```

--------------------------------

### Update Humio View from File

Source: https://github.com/humio/cli/wiki/Home

Use this command to update a Humio view using a configuration file. It accepts the same arguments as the 'create' command.

```bash
humio view update --file=<path> ([-c] | [--create])
```

--------------------------------

### List Humio Users

Source: https://github.com/humio/cli/wiki/Home

Use this command to list all users in Humio.

```bash
humio users list
```

--------------------------------

### Show Humio User Details

Source: https://github.com/humio/cli/wiki/Home

Use this command to display details for a specific Humio user.

```bash
humio users show <username>
```

--------------------------------

### List Humio Query Blacklist

Source: https://github.com/humio/cli/wiki/Home

Use this command to list the query blacklist entries, optionally filtered by repository.

```bash
humio query-blacklist list [--repo=<name>]
```

--------------------------------

### Ingest Logs with Humio CLI

Source: https://github.com/humio/cli/blob/master/README.md

Streams log data from a file to Humio for ingestion. Use the -open flag to view imported data in the Humio UI.

```bash
tail -f /var/log/system.log | humio ingest
```

```bash
humioctl ingest --tail=/var/log/system.log
```

--------------------------------

### Add Humio Dashboard Link

Source: https://github.com/humio/cli/wiki/Home

Use this command to add a new dashboard link in Humio.

```bash
humio dashboard links add <name>
```

--------------------------------

### List Humio Parsers

Source: https://github.com/humio/cli/wiki/Home

Use this command to list parsers within a specific Humio repository.

```bash
humio parsers list <repo>
```

--------------------------------

### Push Humio Parser

Source: https://github.com/humio/cli/wiki/Home

Use this command to push a parser to a Humio repository from a file, URL, or GitHub path. Supports updating existing parsers.

```bash
humio parsers push <repo> (<file> | <url> | <github-path>) [--name=<name>] ([-u] | [--update])
```

--------------------------------

### Push Humio Dashboard

Source: https://github.com/humio/cli/wiki/Home

Use this command to push a dashboard configuration from a file, URL, or GitHub path. Supports updating existing dashboards.

```bash
humio dashboard push <view> (<file> | <url> | <github-path>) [--name=<name>] ([-u] | [--update])
```

--------------------------------

### Add and Set Humio CLI Profile

Source: https://github.com/humio/cli/blob/master/README.md

Adds a new profile for a Humio cluster and sets it as the default. Configuration is stored in $HOME/.humio/config.yaml.

```bash
humioctl profiles add my-profile
humioctl profiles set-default my-profile
```

--------------------------------

### Update Humio Repository

Source: https://github.com/humio/cli/wiki/Home

Use this command to update an existing Humio repository. It accepts the same arguments as the 'create' command.

```bash
humio repo update <name> ([-c] | [--create])
```

--------------------------------

### Add Humio Query Blacklist Entry

Source: https://github.com/humio/cli/wiki/Home

Use this command to add a pattern to the Humio query blacklist. Specify type as 'exact' or 'regex'.

```bash
humio query-blacklist add "<pattern>" [--repo=<name>] [--type=exact|regex]
```

--------------------------------

### Humio CLI Environment Variables

Source: https://github.com/humio/cli/blob/master/README.md

Configures Humio CLI connection details using environment variables, which take precedence over profile settings.

```bash
# Your account API token. You can find your token in Humio's UI under
# 'Your Account' in the account menu.
HUMIO_TOKEN=<token>

# The address of the Humio server. E.g. https://cloud.humio.com/,
# or http://localhost:8080/
HUMIO_ADDRESS=<url>

# If access to the Humio server requires trusting a specific Certificate Authority,
# for validating the certificate, you can specify CA certificate in PEM format.
# You can either point to a file with the certificate or provide it directly.
HUMIO_CA_CERTIFICATE=<ca-certificate>

# If access to the Humio server uses an untrusted certificate and you
# are unable to provide a CA certificate, you can disable TLS certificate verification.
# NB: This should only ever be used on test clusters where you are in full
# control of the involved systems and underlying network.
# Do not use this for prodution use-cases.
HUMIO_INSECURE=<bool>
```

--------------------------------

### Run Humio tests in Docker

Source: https://github.com/humio/cli/blob/master/e2e/README.md

Execute the end-to-end tests against a Humio docker container. This is the default test execution mode.

```shell
$ ./run.bash
```

--------------------------------

### Filebeat Configuration for Ruby Logs

Source: https://github.com/humio/cli/blob/master/e2e/packages/invalid/README.md

This Filebeat configuration is used to send Ruby log files to Humio. Ensure the paths and Humio server details are correctly set.

```yaml
filebeat.inputs:
- paths:
    - $PATH_TO_LOG_FILES/example.log
    - $PATH_TO_LOG_FILES/stderr.log
    - $PATH_TO_LOG_FILES/stdout.log
  encoding: utf-8

queue.mem:
  events: 8000
  flush.min_events: 100
  flush.timeout: 1s

output:
  elasticsearch:
    hosts: ["$HUMIO_SERVER/api/v1/ingest/elastic-bulk"]
    username: anything
    password: $INGEST_TOKEN
    compression_level: 5
    bulk_max_size: 200
    worker: 5
```

--------------------------------

### Pull Humio Dashboard

Source: https://github.com/humio/cli/wiki/Home

Use this command to pull a dashboard configuration for a specific view and name.

```bash
humio dashboard pull <view> <name>
```

--------------------------------

### Add Humio Membership

Source: https://github.com/humio/cli/wiki/Home

Use this command to add a user to a view in Humio. Optional arguments control admin privileges and deletion allowance.

```bash
humio membership add <view> <username> [--admin-users=<bool>] [--allow-deletion=<bool>]
```

--------------------------------

### Pull Humio Parser

Source: https://github.com/humio/cli/wiki/Home

Use this command to pull a parser from a URL or GitHub path to a local output path. Allows specifying the parser name.

```bash
humio parsers pull <repo> (<url> | <github-path>) <output-path> [--name=<name>]
```

--------------------------------

### Show Humio Status

Source: https://github.com/humio/cli/wiki/Home

Use this command to check the status of Humio, optionally for a specific node.

```bash
humio status [node]
```

--------------------------------

### Rename Humio View

Source: https://github.com/humio/cli/wiki/Home

Use this command to rename an existing Humio view.

```bash
humio view rename <old> <new>
```

--------------------------------

### Update Humio User

Source: https://github.com/humio/cli/wiki/Home

Use this command to update an existing Humio user. It accepts the same arguments as the 'create' command.

```bash
humio users update <username> ([-c] | [--create]) ...
```

--------------------------------

### Ingest Logs with Label

Source: https://github.com/humio/cli/blob/master/README.md

Ingests logs into Humio and annotates them with a specified label for easier searching. The label helps tag streams for retrieval.

```bash
humioctl ingest -label=work-related -tail=/var/log/mysql.log
```

--------------------------------

### Rename Humio Repository

Source: https://github.com/humio/cli/wiki/Home

Use this command to rename an existing Humio repository.

```bash
humio repo rename <old> <new>
```

--------------------------------

### Ruby Application for Log Generation

Source: https://github.com/humio/cli/blob/master/e2e/packages/invalid/README.md

This Ruby script generates various log messages (info, warn, error) and simulates exceptions. It redirects stdout and stderr to files and uses the standard Ruby Logger.

```ruby
require "logger"

logger = Logger.new File.new('example.log', 'w')
$stderr = File.new("stderr.log", "w")
$stdout = File.new("stdout.log", "w")

def throwException(x, logger)
    deepStacktrace(x, logger)
end

def deepStacktrace(x, logger)
    raise ArgumentError, 'Argument is not numeric' unless x.is_a? Numeric
rescue ArgumentError => error
    puts error.backtrace
end

# Generate some log output
i = 1
while(true) do
    logger.info("I am info. Controller: MySuperController User: Anders")

    if i % 2 == 0 then
        logger.warn("I am a warning. Foo: Bar")
    end

    if i % 3 == 0 then
        logger.error("I am an error. Controller: MySuperController User: Peter")
    end

    if i % 100 == 0 then
        throwException("dd", logger)
    end

    sleep 0.001
    i+=1
end
```

--------------------------------

### Remove Humio Repository

Source: https://github.com/humio/cli/wiki/Home

Use this command to remove a Humio repository.

```bash
humio repo rm <name>
```

--------------------------------

### Remove Humio View

Source: https://github.com/humio/cli/wiki/Home

Use this command to remove a Humio view.

```bash
humio view rm <name>
```

--------------------------------

### Update Humio Membership

Source: https://github.com/humio/cli/wiki/Home

Use this command to update an existing Humio membership. It accepts the same arguments as the 'add' command.

```bash
humio membership update <view> <username> ([-c] | [--create])
```

--------------------------------

### Remove Humio Query Blacklist Entry

Source: https://github.com/humio/cli/wiki/Home

Use this command to remove a query blacklist entry by its ID.

```bash
humio query-blacklist rm <blacklist-id>
```

--------------------------------

### Remove Humio Dashboard

Source: https://github.com/humio/cli/wiki/Home

Use this command to remove a dashboard for a specific view and name.

```bash
humio dashboard rm <view> <name>
```

--------------------------------

### Remove Humio Dashboard Link

Source: https://github.com/humio/cli/wiki/Home

Use this command to remove a dashboard link from Humio.

```bash
humio dashboard links rm <name>
```

--------------------------------

### Remove Humio Membership

Source: https://github.com/humio/cli/wiki/Home

Use this command to remove a user from a view in Humio.

```bash
humio membership rm <view> <username>
```

--------------------------------

### Remove Humio Parser

Source: https://github.com/humio/cli/wiki/Home

Use this command to remove a parser from a Humio repository.

```bash
humio parsers rm <repo> <name>
```

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