diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5c825f3..da3fe74 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,9 +1,8 @@
 image: registry.hub.docker.com/bitnami/minideb:bullseye
 
 before_script:
-  # following ones get updated, so they are not installed from Debian package repo: python3-sphinx python3-pybtex-docutils
-  #- apt-get install -y python3-sphinx && apt-get clean
-- install_packages  pip jupyter-notebook python3-anyio python3-greenlet python3-click python3-jupyter-server python3-sqlalchemy python3-latexcodec python3-nbclient python3-nest-asyncio python3-smmap python3-soupsieve python3-toml python3-pybtex
+  # following ones get updated, so they are not installed from Debian package repo: python3-sphinx python3-pybtex python3-pybtex-docutils
+- install_packages pip jupyter-notebook python3-anyio python3-greenlet python3-click python3-jupyter-server python3-sqlalchemy python3-latexcodec python3-nbclient python3-nest-asyncio python3-smmap python3-soupsieve python3-toml
 - pip install jupyter-book && rm -r /root/.cache/pip
 
 pages:
diff --git a/Dockerfile b/Dockerfile
index 64f4743..6272149 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,8 @@
 FROM registry.hub.docker.com/bitnami/minideb:bullseye
 
 #RUN apt-get update
-# following ones get updated, so they are not installed from Debian package repo: python3-sphinx python3-pybtex-docutils
-RUN install_packages pip jupyter-notebook python3-anyio python3-greenlet python3-click python3-jupyter-server python3-sqlalchemy python3-latexcodec python3-nbclient python3-nest-asyncio python3-smmap python3-soupsieve python3-toml python3-pybtex
-#RUN apt-get install -y pip jupyter-notebook python3-anyio python3-greenlet python3-click python3-jupyter-server python3-sqlalchemy python3-latexcodec python3-nbclient python3-nest-asyncio python3-smmap python3-soupsieve python3-toml python3-pybtex && apt-get clean && rm -r /var/lib/apt /usr/share/doc /usr/share/man
+# following ones get updated, so they are not installed from Debian package repo: python3-sphinx python3-pybtex python3-pybtex-docutils
+RUN install_packages pip jupyter-notebook python3-anyio python3-greenlet python3-click python3-jupyter-server python3-sqlalchemy python3-latexcodec python3-nbclient python3-nest-asyncio python3-smmap python3-soupsieve python3-toml
 RUN pip install jupyter-book && rm -r /root/.cache/pip
 
 RUN mkdir -p /root/documentation
diff --git a/_config.yml b/_config.yml
index 44ab5f8..2c32683 100644
--- a/_config.yml
+++ b/_config.yml
@@ -2,8 +2,8 @@
 # Learn more at https://jupyterbook.org/customize/config.html
 
 title: Linux Documentation
-author: Linux
-# logo: logo.png
+author: Core Linux Research Services
+logo: logo.png
 
 # Force re-execution of notebooks on each build.
 # See https://jupyterbook.org/content/execute.html
@@ -17,11 +17,11 @@ latex:
 
 # Information about where the book exists on the web
 repository:
-  url: https://git.psi.ch/linux-infra/documentation  # Online location of your book
+  url: https://git.psi.ch/linux-infra/documentation  # The URL to your book's repository
   # path_to_book: documentation  # Optional path to your book, relative to the repository root
   branch: master  # Which branch of the repository should be used when creating links (optional)
 
-# Add GitHub buttons to your book
+# Add GitLab buttons to your book
 # See https://jupyterbook.org/customize/config.html#add-a-link-to-your-repository
 html:
   use_issues_button: true
diff --git a/logo.png b/logo.png
new file mode 100644
index 0000000..5a1d280
Binary files /dev/null and b/logo.png differ