fluentd-ui is a browser-based fluentd and td-agent manager that supports following operations.

• Install, uninstall, and upgrade Fluentd plugins
• start/stop/restart fluentd process
• Configure Fluentd settings such as config file content, pid file path, etc
• View Fluentd log with simple error viewer

Official documentation | Changelog

• ruby 2.2.2 or later (since v1.0.0)
• fluentd v1.0.0 or later (also supports td-agent 3)
  • Currently, fluentd v1 and td-agent 3 support is in alpha state

And some additional packages (Debian / Ubuntu)

• build-essential
• libssl-dev
• libxml2-dev
• libxslt1-dev
• ruby-dev

$ gem install fluentd-ui
$ fluentd-ui setup
$ fluentd-ui start --daemonize

Access http://localhost:9292 by web browser.

Use RAILS_RELATIVE_URL_ROOT environment variable.

$ RAILS_RELATIVE_URL_ROOT=/prefix fluentd-ui start --daemonize

Access http://localhost:9292/prefix by web browser.

$ git clone https://github.com/fluent/fluentd-ui
$ cd fluentd-ui
$ bundle install
$ bin/rails s

Also you need a chromedriver or chromiumdriver for test.

$ npm install -g chromedriver
Or,
$ brew install chromedriver
Or,
$ sudo apt install chromium-driver

NOTE: chromedriver executable binary should be located under your $PATH.

# Generate ChangeLog.md and increment version
$ bin/rails release:prepare

# Clear tmp/, public/assets and public/packs
$ bin/rails tmp:clear assets:clobber && touch tmp/.gitkeep

# Generate pre-compiled assets
$ RAILS_ENV=production bin/rails assets:precompile

# fluentd-ui X.X.X built to pkg/fluentd-ui-X.X.X.gem.
$ RAILS_ENV=production bin/rails build

# Push to rubygems.org
$ bin/rails release