diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..a39a501
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,82 @@
+
+# See https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions
+
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  Tests:
+    runs-on: ubuntu-latest
+    container: registry.opensuse.org/yast/head/containers/yast-ruby:latest
+
+    steps:
+
+    - name: Git Checkout
+      uses: actions/checkout@v2
+
+    # just for easier debugging...
+    - name: Inspect Installed Packages
+      run: rpm -qa | sort
+
+    - name: Unit Tests
+      run: rake test:unit
+      # enable code coverage reporting
+      env:
+        COVERAGE: 1
+
+    # send the coverage report to coveralls.io
+    - name: Coveralls Report
+      uses: coverallsapp/github-action@master
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+
+  Rubocop:
+    runs-on: ubuntu-latest
+    container: registry.opensuse.org/yast/head/containers/yast-ruby:latest
+
+    steps:
+
+    - name: Git Checkout
+      uses: actions/checkout@v2
+
+    - name: Rubocop
+      run: rake check:rubocop
+
+  Package:
+    runs-on: ubuntu-latest
+    container: registry.opensuse.org/yast/head/containers/yast-ruby:latest
+
+    steps:
+
+    - name: Git Checkout
+      uses: actions/checkout@v2
+
+    - name: Package Build
+      run: yast-ci-ruby -o package
+
+  Yardoc:
+    runs-on: ubuntu-latest
+    container: registry.opensuse.org/yast/head/containers/yast-ruby:latest
+
+    steps:
+
+    - name: Git Checkout
+      uses: actions/checkout@v2
+
+    - name: Yardoc
+      run: rake check:doc
+
+  # downloading the Docker image takes some time so bundling several fast
+  # checks into one job avoids that overhead
+  Checks:
+    runs-on: ubuntu-latest
+    container: registry.opensuse.org/yast/head/containers/yast-ruby:latest
+
+    steps:
+
+    - name: Git Checkout
+      uses: actions/checkout@v2
+
+    - name: POT Check
+      run: rake check:pot
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 9e44e3e..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-sudo: required
-language: bash
-services:
-  - docker
-
-before_install:
-  - docker build -t yast-ftp-server-image .
-  # list the installed packages (just for easier debugging)
-  - docker run --rm -it yast-ftp-server-image rpm -qa | sort
-
-script:
-  # the "yast-travis-ruby" script is included in the base yastdevel/ruby image
-  # see https://github.com/yast/docker-yast-ruby/blob/master/yast-travis-ruby
-  - docker run -it -e TRAVIS=1 -e TRAVIS_JOB_ID="$TRAVIS_JOB_ID" yast-ftp-server-image yast-travis-ruby
diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index 7b8f4b6..0000000
--- a/Dockerfile
+++ /dev/null
@@ -1,2 +0,0 @@
-FROM registry.opensuse.org/yast/head/containers/yast-ruby:latest
-COPY . /usr/src/app
diff --git a/src/include/ftp-server/write_load.rb b/src/include/ftp-server/write_load.rb
index e3c8ade..e4d8f29 100644
--- a/src/include/ftp-server/write_load.rb
+++ b/src/include/ftp-server/write_load.rb
@@ -50,9 +50,7 @@ def WriteStartViaSocket(start)
     # Convert between the UI (yast), and system (vsftpd, pure_ftpd) settings.
     #
     # The system settings are multiplexed by
-    # {FtpServerClass#vsftpd_edit   vsftpd_edit}:
-    # {FtpServerClass#VS_SETTINGS   VS_SETTINGS}   (for vsftpd_edit == true) or
-    # {FtpServerClass#PURE_SETTINGS PURE_SETTINGS} (for vsftpd_edit == false).
+    # {Yast::FtpServerClass#VS_SETTINGS   VS_SETTINGS}
     #
     # @param [String] key
     #  in the {FtpServerClass#EDIT_SETTINGS EDIT_SETTINGS} vocabulary
diff --git a/test/modules/ftpserver_test.rb b/test/modules/ftpserver_test.rb
index 9cf9eed..3c2550f 100644
--- a/test/modules/ftpserver_test.rb
+++ b/test/modules/ftpserver_test.rb
@@ -100,6 +100,8 @@ def mock_config(config_path, map)
       allow(ftp_server).to receive(:PollAbort).and_return(false)
       allow(ftp_server).to receive(:WriteSettings).and_return(true)
       allow(ftp_server).to receive(:write_daemon)
+      allow(Yast::Service).to receive(:active?).with("vsftpd").and_return(false)
+      allow(Yast::Service).to receive(:restart).with("vsftpd")
 
       ftp_server.main
     end
diff --git a/test/spec_helper.rb b/test/spec_helper.rb
index 6803485..18bb62c 100644
--- a/test/spec_helper.rb
+++ b/test/spec_helper.rb
@@ -34,6 +34,14 @@ def stub_module(name)
 
 stub_module("Users")
 
+RSpec.configure do |config|
+  config.mock_with :rspec do |c|
+    # make sure we mock only the existing methods
+    # https://relishapp.com/rspec/rspec-mocks/v/3-0/docs/verifying-doubles/partial-doubles
+    c.verify_partial_doubles = true
+  end
+end
+
 if ENV["COVERAGE"]
   require "simplecov"
   SimpleCov.start do
@@ -44,12 +52,20 @@ def stub_module(name)
   # track all ruby files under src
   SimpleCov.track_files("#{SRC_PATH}/**/*.rb")
 
-  # use coveralls for on-line code coverage reporting at Travis CI
-  if ENV["TRAVIS"]
-    require "coveralls"
+  # additionally use the LCOV format for on-line code coverage reporting at CI
+  if ENV["CI"] || ENV["COVERAGE_LCOV"]
+    require "simplecov-lcov"
+
+    SimpleCov::Formatter::LcovFormatter.config do |c|
+      c.report_with_single_file = true
+      # this is the default Coveralls GitHub Action location
+      # https://github.com/marketplace/actions/coveralls-github-action
+      c.single_report_path = "coverage/lcov.info"
+    end
+
     SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter[
       SimpleCov::Formatter::HTMLFormatter,
-      Coveralls::SimpleCov::Formatter
+      SimpleCov::Formatter::LcovFormatter
     ]
   end
 end