readme files updated

README.md

@@ -51,6 +51,8 @@ This GitHub repository contains resources and tools for building Docker images f
 The images are based on [Ubuntu 22.04 LTS and 20.04 LTS][docker-ubuntu] and include [Xfce][xfce] desktop, [TigerVNC][tigervnc] server and [noVNC][novnc] client.
 The popular web browsers [Chromium][chromium] and [Firefox][firefox] are also included.
 
+This [User guide][this-user-guide] describes the images and how to use them.
+
 The content of this GitHub project is intended for developers and image builders.
 
 Ordinary users can simply use the images available in the following repositories on Docker Hub:
@@ -59,8 +61,6 @@ Ordinary users can simply use the images available in the following repositories
 - [accetto/ubuntu-vnc-xfce-chromium-g3][accetto-docker-ubuntu-vnc-xfce-chromium-g3]
 - [accetto/ubuntu-vnc-xfce-firefox-g3][accetto-docker-ubuntu-vnc-xfce-firefox-g3]
 
-This [User guide][this-user-guide] describes the images and how to use them.
-
 There is also a sibling project [accetto/debian-vnc-xfce-g3][accetto-github-debian-vnc-xfce-g3] containing similar images based on [Debian][docker-debian].
 
 There are also another sibling projects containing images for headless diagramming, drawing, image processing and modelling ([accetto/headless-drawing-g3][accetto-github-headless-drawing-g3]) and for headless programming ([accetto/headless-coding-g3][accetto-github-headless-coding-g3]).

docker/xfce-chromium/README-dockerhub.md

@@ -13,13 +13,14 @@
 This Docker Hub repository contains Docker images for headless working.
 
 The images are based on [Ubuntu 22.04 LTS and 20.04 LTS][docker-ubuntu] and include [Xfce][xfce] desktop, [TigerVNC][tigervnc] server and [noVNC][novnc] client.
-
 The popular web browser [Chromium][chromium] is also included.
 
-There is also a similar sibling image [accetto/debian-vnc-xfce-chromium-g3][accetto-dockerhub-debian-vnc-xfce-chromium-g3] based on [Debian][docker-debian].
-
 This [User guide][this-user-guide] describes the images and how to use them.
 
+The related [GitHub project][this-github] contains image generators that image users generally don’t need, unless they want to build the images themselves.
+
+### Tags
+
 The following image tags are regularly built and published on Docker Hub:
 
 <!-- markdownlint-disable MD052 -->
@@ -38,6 +39,8 @@ The following image tags are regularly built and published on Docker Hub:
 
 **Hint:** Clicking the version sticker badge reveals more information about the particular build.
 
+### Features
+
 The main features and components of the images in the default configuration are:
 
 - light-weight [Xfce][xfce] desktop environment (Ubuntu distribution)
@@ -52,24 +55,30 @@ The main features and components of the images in the default configuration are:
 - support of **version sticker** (see [User guide][this-user-guide-version-sticker])
 - current version of [Chromium Browser][chromium] open-source web browser (from `Ubuntu 18.04 LTS` distribution)
 
-These images contain the current Chromium Browser from the `Ubuntu 18.04 LTS` distribution.
-This is because the versions for `Ubuntu 20.04 LTS and 22.04 LTS` depend on `snap`, which is currently not supported in Docker containers.
-
-The [Chromium Browser][chromium] in these images runs in the `--no-sandbox` mode.
-You should be aware of the implications.
-The images are intended for testing and development.
-
 The following **TCP** ports are exposed by default:
 
 - **5901** for access over **VNC** (using VNC viewer)
 - **6901** for access over [noVNC][novnc] (using web browser)
 
 ![container-screenshot][this-screenshot-container]
 
+### Remarks
+
+There is also a similar sibling image [accetto/debian-vnc-xfce-chromium-g3][accetto-dockerhub-debian-vnc-xfce-chromium-g3] based on [Debian][docker-debian].
+
 This is the **third generation** (G3) of my headless images.
 The **second generation** (G2) contains the GitHub repository [accetto/xubuntu-vnc-novnc][accetto-github-xubuntu-vnc-novnc].
 The **first generation** (G1) contains the GitHub repository [accetto/ubuntu-vnc-xfce][accetto-github-ubuntu-vnc-xfce].
 
+These images contain the current Chromium Browser from the `Ubuntu 18.04 LTS` distribution.
+This is because the versions for `Ubuntu 20.04 LTS and 22.04 LTS` depend on `snap`, which is currently not supported in Docker containers.
+
+The [Chromium Browser][chromium] in these images runs in the `--no-sandbox` mode.
+You should be aware of the implications.
+The images are intended for testing and development.
+
+### Getting help
+
 If you've found a problem or you just have a question, please check the [User guide][this-user-guide], [Issues][this-issues] and [Wiki][this-wiki] first.
 Please do not overlook the closed issues.
 
@@ -78,8 +87,6 @@ The better you describe the problem, the bigger the chance it'll be solved soon.
 
 If you have a question or an idea and you don't want to open an issue, you can also use the [Discussions][this-discussions].
 
-**Remark:** The [GitHub project][this-github] contains image generators that image users generally don’t need, unless they want to build the images themselves.
-
 ***
 
 [this-user-guide]: https://accetto.github.io/user-guide-g3/
@@ -113,6 +120,7 @@ If you have a question or an idea and you don't want to open an issue, you can a
 [docker-ubuntu]: https://hub.docker.com/_/ubuntu/
 [docker-debian]: https://hub.docker.com/_/debian/
 
+[chromium]: https://www.chromium.org/Home
 [jq]: https://stedolan.github.io/jq/
 [mousepad]: https://github.com/codebrainz/mousepad
 [nano]: https://www.nano-editor.org/
@@ -122,8 +130,6 @@ If you have a question or an idea and you don't want to open an issue, you can a
 [tini]: https://github.com/krallin/tini
 [xfce]: http://www.xfce.org
 
-[chromium]: https://www.chromium.org/Home
-
 [badge-github-release]: https://badgen.net/github/release/accetto/ubuntu-vnc-xfce-g3?icon=github&label=release
 
 [badge-docker-pulls]: https://badgen.net/docker/pulls/accetto/ubuntu-vnc-xfce-chromium-g3?icon=docker&label=pulls

docker/xfce-chromium/README.md

@@ -8,21 +8,8 @@
 
 This GitHub project folder contains resources used by building Ubuntu images available on Docker Hub in the repository [accetto/ubuntu-vnc-xfce-chromium-g3][this-docker].
 
-The images contain the current Chromium Browser from the `Ubuntu 18.04 LTS` distribution.
-This is because the versions for `Ubuntu 20.04 LTS and 22.04 LTS` depend on `snap`, which is currently not supported in Docker containers.
-
-The [Chromium Browser][chromium] in these images runs in the `--no-sandbox` mode.
-You should be aware of the implications.
-The images are intended for testing and development.
-
-There is also a sibling project [accetto/debian-vnc-xfce-g3][accetto-github-debian-vnc-xfce-g3] containing similar images based on [Debian][docker-debian].
-
 This [User guide][this-user-guide] describes the images and how to use them.
 
-This is the **third generation** (G3) of my headless images.
-The **second generation** (G2) contains the GitHub repository [accetto/xubuntu-vnc-novnc][accetto-github-xubuntu-vnc-novnc].
-The **first generation** (G1) contains the GitHub repository [accetto/ubuntu-vnc-xfce][accetto-github-ubuntu-vnc-xfce].
-
 ### Building images
 
 ```shell
@@ -41,6 +28,21 @@ The **first generation** (G1) contains the GitHub repository [accetto/ubuntu-vnc
 
 Refer to the main [README][this-readme] file for more information about the building subject.
 
+### Remarks
+
+There is also a sibling project [accetto/debian-vnc-xfce-g3][accetto-github-debian-vnc-xfce-g3] containing similar images based on [Debian][docker-debian].
+
+This is the **third generation** (G3) of my headless images.
+The **second generation** (G2) contains the GitHub repository [accetto/xubuntu-vnc-novnc][accetto-github-xubuntu-vnc-novnc].
+The **first generation** (G1) contains the GitHub repository [accetto/ubuntu-vnc-xfce][accetto-github-ubuntu-vnc-xfce].
+
+The images contain the current Chromium Browser from the `Ubuntu 18.04 LTS` distribution.
+This is because the versions for `Ubuntu 20.04 LTS and 22.04 LTS` depend on `snap`, which is currently not supported in Docker containers.
+
+The [Chromium Browser][chromium] in these images runs in the `--no-sandbox` mode.
+You should be aware of the implications.
+The images are intended for testing and development.
+
 ### Getting help
 
 If you've found a problem or you just have a question, please check the [User guide][this-user-guide], [Issues][this-issues] and [Wiki][this-wiki] first.

docker/xfce-firefox/README-dockerhub.md

@@ -13,13 +13,14 @@
 This Docker Hub repository contains Docker images for headless working.
 
 The images are based on [Ubuntu 22.04 LTS and 20.04 LTS][docker-ubuntu] and include [Xfce][xfce] desktop, [TigerVNC][tigervnc] server and [noVNC][novnc] client.
-
 The popular web browser [Firefox][firefox] is also included.
 
-There is also a similar sibling image [accetto/debian-vnc-xfce-firefox-g3][accetto-dockerhub-debian-vnc-xfce-firefox-g3] based on [Debian][docker-debian].
-
 This [User guide][this-user-guide] describes the images and how to use them.
 
+The related [GitHub project][this-github] contains image generators that image users generally don’t need, unless they want to build the images themselves.
+
+### Tags
+
 The following image tags are regularly built and published on Docker Hub:
 
 <!-- markdownlint-disable MD052 -->
@@ -38,9 +39,11 @@ The following image tags are regularly built and published on Docker Hub:
 
 **Hint:** Clicking the version sticker badge reveals more information about the particular build.
 
+### Features
+
 The main features and components of the images in the default configuration are:
 
-- light-weight [Xfce][xfce] desktop environment (Ubuntu distribution)
+- lightweight [Xfce][xfce] desktop environment (Ubuntu distribution)
 - [sudo][sudo] support
 - current version of JSON processor [jq][jq]
 - current version of high-performance [TigerVNC][tigervnc] server and client
@@ -55,20 +58,26 @@ The main features and components of the images in the default configuration are:
   - images based on `Ubuntu 22.04 LTS` - current non-snap version from the Mozilla Team PPA
 - additional **Firefox plus** feature (see [User guide][this-user-guide-firefox-plus])
 
-The [Firefox][firefox] installed in the images based on `Ubuntu 22.04 LTS` is the current non-snap version from the Mozilla Team PPA.
-It's because the `Ubuntu 22.04 LTS` distribution contains only the `snap` version and the `snap` is currently not supported in Docker containers.
-
 The following **TCP** ports are exposed by default:
 
 - **5901** for access over **VNC** (using VNC viewer)
 - **6901** for access over [noVNC][novnc] (using web browser)
 
 ![container-screenshot][this-screenshot-container]
 
+### Remarks
+
+There is also a similar sibling image [accetto/debian-vnc-xfce-firefox-g3][accetto-dockerhub-debian-vnc-xfce-firefox-g3] based on [Debian][docker-debian].
+
 This is the **third generation** (G3) of my headless images.
 The **second generation** (G2) contains the GitHub repository [accetto/xubuntu-vnc-novnc][accetto-github-xubuntu-vnc-novnc].
 The **first generation** (G1) contains the GitHub repository [accetto/ubuntu-vnc-xfce][accetto-github-ubuntu-vnc-xfce].
 
+The [Firefox][firefox] installed in the images based on `Ubuntu 22.04 LTS` is the current non-snap version from the Mozilla Team PPA.
+It's because the `Ubuntu 22.04 LTS` distribution contains only the `snap` version and the `snap` is currently not supported in Docker containers.
+
+### Getting help
+
 If you've found a problem or you just have a question, please check the [User guide][this-user-guide], [Issues][this-issues] and [Wiki][this-wiki] first.
 Please do not overlook the closed issues.
 
@@ -77,8 +86,6 @@ The better you describe the problem, the bigger the chance it'll be solved soon.
 
 If you have a question or an idea and you don't want to open an issue, you can also use the [Discussions][this-discussions].
 
-**Remark:** The [GitHub project][this-github] contains image generators that image users generally don’t need, unless they want to build the images themselves.
-
 ***
 
 [this-user-guide]: https://accetto.github.io/user-guide-g3/

docker/xfce-firefox/README.md

@@ -8,17 +8,8 @@
 
 This GitHub project folder contains resources used by building Ubuntu images available on Docker Hub in the repository [accetto/ubuntu-vnc-xfce-firefox-g3][this-docker].
 
-The [Firefox][firefox] installed in the images based on `Ubuntu 22.04 LTS` is the current non-snap version from the Mozilla Team PPA.
-It's because the `Ubuntu 22.04 LTS` distribution contains only the `snap` version and the `snap` is currently not supported in Docker containers.
-
-There is also a sibling project [accetto/debian-vnc-xfce-g3][accetto-github-debian-vnc-xfce-g3] containing similar images based on [Debian][docker-debian].
-
 This [User guide][this-user-guide] describes the images and how to use them.
 
-This is the **third generation** (G3) of my headless images.
-The **second generation** (G2) contains the GitHub repository [accetto/xubuntu-vnc-novnc][accetto-github-xubuntu-vnc-novnc].
-The **first generation** (G1) contains the GitHub repository [accetto/ubuntu-vnc-xfce][accetto-github-ubuntu-vnc-xfce].
-
 ### Building images
 
 ```shell
@@ -37,6 +28,17 @@ The **first generation** (G1) contains the GitHub repository [accetto/ubuntu-vnc
 
 Refer to the main [README][this-readme] file for more information about the building subject.
 
+### Remarks
+
+There is also a sibling project [accetto/debian-vnc-xfce-g3][accetto-github-debian-vnc-xfce-g3] containing similar images based on [Debian][docker-debian].
+
+This is the **third generation** (G3) of my headless images.
+The **second generation** (G2) contains the GitHub repository [accetto/xubuntu-vnc-novnc][accetto-github-xubuntu-vnc-novnc].
+The **first generation** (G1) contains the GitHub repository [accetto/ubuntu-vnc-xfce][accetto-github-ubuntu-vnc-xfce].
+
+The [Firefox][firefox] installed in the images based on `Ubuntu 22.04 LTS` is the current non-snap version from the Mozilla Team PPA.
+It's because the `Ubuntu 22.04 LTS` distribution contains only the `snap` version and the `snap` is currently not supported in Docker containers.
+
 ### Getting help
 
 If you've found a problem or you just have a question, please check the [User guide][this-user-guide], [Issues][this-issues] and [Wiki][this-wiki] first.

docker/xfce/README-dockerhub.md

@@ -14,10 +14,12 @@ This Docker Hub repository contains Docker images for headless working.
 
 The images are based on [Ubuntu 22.04 LTS and 20.04 LTS][docker-ubuntu] and include [Xfce][xfce] desktop, [TigerVNC][tigervnc] server and [noVNC][novnc] client.
 
-There is also a similar sibling repository [accetto/debian-vnc-xfce-g3][accetto-dockerhub-debian-vnc-xfce-g3] based on [Debian][docker-debian].
-
 This [User guide][this-user-guide] describes the images and how to use them.
 
+The related [GitHub project][this-github] contains image generators that image users generally don’t need, unless they want to build the images themselves.
+
+### Tags
+
 The following image tags are regularly built and published on Docker Hub:
 
 <!-- markdownlint-disable MD052 -->
@@ -36,6 +38,8 @@ The following image tags are regularly built and published on Docker Hub:
 
 **Hint:** Clicking the version sticker badge reveals more information about the particular build.
 
+### Features
+
 The main features and components of the images in the default configuration are:
 
 - lightweight [Xfce][xfce] desktop environment (Debian distribution)
@@ -56,10 +60,16 @@ The following **TCP** ports are exposed by default:
 
 ![container-screenshot][this-screenshot-container]
 
+### Remarks
+
+There is also a similar sibling repository [accetto/debian-vnc-xfce-g3][accetto-dockerhub-debian-vnc-xfce-g3] based on [Debian][docker-debian].
+
 This is the **third generation** (G3) of my headless images.
 The **second generation** (G2) contains the GitHub repository [accetto/xubuntu-vnc-novnc][accetto-github-xubuntu-vnc-novnc].
 The **first generation** (G1) contains the GitHub repository [accetto/ubuntu-vnc-xfce][accetto-github-ubuntu-vnc-xfce].
 
+### Getting help
+
 If you've found a problem or you just have a question, please check the [User guide][this-user-guide], [Issues][this-issues] and [Wiki][this-wiki] first.
 Please do not overlook the closed issues.
 
@@ -68,8 +78,6 @@ The better you describe the problem, the bigger the chance it'll be solved soon.
 
 If you have a question or an idea and you don't want to open an issue, you can also use the [Discussions][this-discussions].
 
-**Remark:** The [GitHub project][this-github] contains image generators that image users generally don’t need, unless they want to build the images themselves.
-
 ***
 
 [this-user-guide]: https://accetto.github.io/user-guide-g3/
@@ -95,6 +103,7 @@ If you have a question or an idea and you don't want to open an issue, you can a
 [this-screenshot-container]: https://raw.githubusercontent.com/accetto/ubuntu-vnc-xfce-g3/master/docker/doc/images/ubuntu-vnc-xfce-g3-latest.png
 
 [accetto-github-xubuntu-vnc-novnc]: https://github.com/accetto/xubuntu-vnc-novnc/
+
 [accetto-github-ubuntu-vnc-xfce]: https://github.com/accetto/ubuntu-vnc-xfce
 
 [accetto-dockerhub-debian-vnc-xfce-g3]: https://hub.docker.com/r/accetto/debian-vnc-xfce-g3

docker/xfce/README.md

@@ -8,14 +8,8 @@
 
 This GitHub project folder contains resources used by building Ubuntu images available on Docker Hub in the repository [accetto/ubuntu-vnc-xfce-g3][this-docker].
 
-There is also a sibling project [accetto/debian-vnc-xfce-g3][accetto-github-debian-vnc-xfce-g3] containing similar images based on [Debian][docker-debian].
-
 This [User guide][this-user-guide] describes the images and how to use them.
 
-This is the **third generation** (G3) of my headless images.
-The **second generation** (G2) contains the GitHub repository [accetto/xubuntu-vnc-novnc][accetto-github-xubuntu-vnc-novnc].
-The **first generation** (G1) contains the GitHub repository [accetto/ubuntu-vnc-xfce][accetto-github-ubuntu-vnc-xfce].
-
 ### Building images
 
 ```shell
@@ -34,6 +28,14 @@ The **first generation** (G1) contains the GitHub repository [accetto/ubuntu-vnc
 
 Refer to the main [README][this-readme] file for more information about the building subject.
 
+### Remarks
+
+There is also a sibling project [accetto/debian-vnc-xfce-g3][accetto-github-debian-vnc-xfce-g3] containing similar images based on [Debian][docker-debian].
+
+This is the **third generation** (G3) of my headless images.
+The **second generation** (G2) contains the GitHub repository [accetto/xubuntu-vnc-novnc][accetto-github-xubuntu-vnc-novnc].
+The **first generation** (G1) contains the GitHub repository [accetto/ubuntu-vnc-xfce][accetto-github-ubuntu-vnc-xfce].
+
 ### Getting help
 
 If you've found a problem or you just have a question, please check the [User guide][this-user-guide], [Issues][this-issues] and [Wiki][this-wiki] first.