engine/install: SLES no longer supported

Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>

Author: vvoland

engine/install/index.md

@@ -65,7 +65,7 @@ and architectures:
 | [Fedora](fedora.md)     | [{{ yes }}](fedora.md) | [{{ yes }}](fedora.md) |                          |                        |
 | [Raspbian](debian.md)   |                        |                        | [{{ yes }}](raspbian.md) |                        |
 | [RHEL](rhel.md)         |                        |                        |                          | [{{ yes }}](rhel.md)   |
-| [SLES](sles.md)         |                        |                        |                          | [{{ yes }}](sles.md)   |
+| [SLES](sles.md)         |                        |                        |                          | [no longer supported](sles.md)   |
 | [Ubuntu](ubuntu.md)     | [{{ yes }}](ubuntu.md) | [{{ yes }}](ubuntu.md) | [{{ yes }}](ubuntu.md)   | [{{ yes }}](ubuntu.md) |
 | [Binaries](binaries.md) | [{{yes}}](binaries.md) | [{{yes}}](binaries.md) | [{{yes}}](binaries.md)   |                        |
 

engine/install/sles.md

@@ -21,21 +21,16 @@ title: Install Docker Engine on SLES
 toc_max: 4
 ---
 
-To get started with Docker Engine on SLES, make sure you
-[meet the prerequisites](#prerequisites), and then follow the
-[installation steps](#installation-methods).
-
-## Prerequisites
-
-> **Note**
+> **Important**
 >
-> We currently only provide packages for SLES on s390x (IBM Z). Other architectures
-> are not yet supported for SLES.
+> Docker Engine is no longer available for SLES on s390x (IBM Z) architecture.
+> IBM has discontinued building Docker packages for this platform as of 2025.
 
-### OS requirements
+## Docker Engine availability
 
-To install Docker Engine, you need a maintained version of one of the following
-SLES versions:
+Docker Engine packages for SLES on s390x (IBM Z) architecture are no longer
+available. This affects all SLES versions that were previously supported,
+including:
 
 - SLES 15-SP3 on s390x (IBM Z)
 - SLES 15-SP4 on s390x (IBM Z)

engine/security/rootless.md

@@ -51,7 +51,7 @@ testuser:231072:65536
   <li class="active"><a data-toggle="tab" data-target="#hint-ubuntu">Ubuntu</a></li>
   <li><a data-toggle="tab" data-target="#hint-debian">Debian GNU/Linux</a></li>
   <li><a data-toggle="tab" data-target="#hint-arch">Arch Linux</a></li>
-  <li><a data-toggle="tab" data-target="#hint-opensuse-sles">openSUSE and SLES</a></li>
+  <li><a data-toggle="tab" data-target="#hint-opensuse">openSUSE</a></li>
   <li><a data-toggle="tab" data-target="#hint-centos8-rhel8-fedora">CentOS 8, RHEL 8 and Fedora</a></li>
   <li><a data-toggle="tab" data-target="#hint-centos7-rhel7">CentOS 7 and RHEL 7</a></li>
 </ul>
@@ -90,13 +90,14 @@ testuser:231072:65536
 - Add `kernel.unprivileged_userns_clone=1` to `/etc/sysctl.conf` (or
   `/etc/sysctl.d`) and run `sudo sysctl --system`
 </div>
-<div id="hint-opensuse-sles" class="tab-pane fade in" markdown="1">
+<div id="hint-opensuse" class="tab-pane fade in" markdown="1">
 - Installing `fuse-overlayfs` is recommended. Run `sudo zypper install -y fuse-overlayfs`.
 
 - `sudo modprobe ip_tables iptable_mangle iptable_nat iptable_filter` is required.
   This might be required on other distros as well depending on the configuration.
 
-- Known to work on openSUSE 15 and SLES 15.
+- Known to work on openSUSE 15.
+
 </div>
 <div id="hint-centos8-rhel8-fedora" class="tab-pane fade in" markdown="1">
 - Installing `fuse-overlayfs` is recommended. Run `sudo dnf install -y fuse-overlayfs`.