Merge pull request #20329 from dvdksn/centos-rhel-7-eol

engine: remove centos/rhel 7 (EOL)

content/engine/install/centos.md

@@ -27,7 +27,6 @@ To get started with Docker Engine on CentOS, make sure you
 To install Docker Engine, you need a maintained version of one of the following
 CentOS versions:
 
-- CentOS 7 (EOL: [June 30, 2024](https://blog.centos.org/2023/04/end-dates-are-coming-for-centos-stream-8-and-centos-linux-7/#centos-linux-7-end-of-life-june-30-2024))
 - CentOS 9 (stream)
 
 The `centos-extras` repository must be enabled. This repository is enabled by

content/engine/install/rhel.md

@@ -37,7 +37,6 @@ To get started with Docker Engine on RHEL, make sure you
 To install Docker Engine, you need a maintained version of one of the following
 RHEL versions:
 
-- RHEL 7 (s390x only) (EOL: [June 30, 2024](https://www.ibm.com/blog/announcement/ibm-is-announcing-red-hat-enterprise-linux-7-is-going-end-of-support-on-30-june-2024/))
 - RHEL 8
 - RHEL 9
 

content/engine/security/rootless.md

@@ -127,18 +127,11 @@ testuser:231072:65536
 
 - Known to work on openSUSE 15 and SLES 15.
 {{< /tab >}}
-{{< tab name="CentOS 9 (stream), RHEL 8, and Fedora" >}}
+{{< tab name="CentOS, RHEL, and Fedora" >}}
 - Installing `fuse-overlayfs` is recommended. Run `sudo dnf install -y fuse-overlayfs`.
 
 - You might need `sudo dnf install -y iptables`.
 {{< /tab >}}
-{{< tab name="CentOS 7 and RHEL 7" >}}
-- Add `user.max_user_namespaces=28633` to `/etc/sysctl.conf` (or 
-  `/etc/sysctl.d`) and run `sudo sysctl --system`.
-
-- `systemctl --user` does not work by default. 
-  Run `dockerd-rootless.sh` directly without systemd.
-{{< /tab >}}
 {{< /tabs >}}
 
 ## Known limitations

content/engine/security/userns-remap.md

@@ -49,10 +49,10 @@ purpose.
 
 > **Warning**
 >
-> Some distributions, such as RHEL and CentOS 7.3, do not
-> automatically add the new group to the `/etc/subuid` and `/etc/subgid` files.
-> You are responsible for editing these files and assigning non-overlapping
-> ranges, in this case. This step is covered in [Prerequisites](#prerequisites).
+> Some distributions do not automatically add the new group to the
+> `/etc/subuid` and `/etc/subgid` files. If that's the case, you are may have
+> to manually edit these files and assign non-overlapping ranges. This step is
+> covered in [Prerequisites](#prerequisites).
 { .warning }
 
 It is very important that the ranges do not overlap, so that a process cannot gain
@@ -86,9 +86,8 @@ avoid these situations.
 
 2.  The way the namespace remapping is handled on the host is using two files,
     `/etc/subuid` and `/etc/subgid`. These files are typically managed
-    automatically when you add or remove users or groups, but on a few
-    distributions such as RHEL and CentOS 7.3, you may need to manage these
-    files manually.
+    automatically when you add or remove users or groups, but on some
+    distributions, you may need to manage these files manually.
 
     Each file contains three fields: the username or ID of the user, followed by
     a beginning UID or GID (which is treated as UID or GID 0 within the namespace)
@@ -273,4 +272,4 @@ expected privileges of the superuser within the container, the Linux kernel
 imposes restrictions based on internal knowledge that this is a user-namespaced
 process. One notable restriction is the inability to use the `mknod` command.
 Permission is denied for device creation within the container when run by
-the `root` user.
+the `root` user.

hugo_stats.json

@@ -24,8 +24,7 @@
       "BitBucket-Pipelines",
       "Buildkite",
       "CLI",
-      "CentOS-7-and-RHEL-7",
-      "CentOS-9-stream-RHEL-8-and-Fedora",
+      "CentOS-RHEL-and-Fedora",
       "Circle-CI",
       "Clone-with-git",
       "Command-Prompt",
@@ -38,7 +37,9 @@
       "Docker-Desktop",
       "Docker-Engine",
       "Docker-Hub",
+      "Docker-Scout-Dashboard",
       "Download",
+      "Editor-or-IDE",
       "Entra-ID",
       "Entra-ID-SAML-2.0",
       "Fedora",
@@ -49,6 +50,7 @@
       "Git-Bash",
       "Git-Bash-CLI",
       "GitHub-Actions",
+      "GitHub.com",
       "GitLab",
       "Go",
       "HTTP",
@@ -84,7 +86,9 @@
       "RHEL-9",
       "Raw",
       "React",
+      "Regular-install",
       "Remote-file",
+      "Rootless-mode",
       "Run-Ollama-in-a-container",
       "Run-Ollama-outside-of-a-container",
       "Shell",
@@ -301,6 +305,7 @@
       "lntd",
       "m-2",
       "m-auto",
+      "macOS",
       "max-h-[80vh]",
       "max-h-full",
       "max-w-56",
@@ -379,13 +384,11 @@
       "py-20",
       "py-4",
       "py-8",
-      "regular-install",
       "relative",
       "restricted",
       "right-0",
       "right-3",
       "right-8",
-      "rootless-mode",
       "rotate-45",
       "rounded",
       "rounded-[6px]",