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engine/install: document iptables alternative on Fedora #24811

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engine/install: document iptables alternative on Fedora
lacatoire Apr 17, 2026
b992f18
review: use canonical path and reference journalctl
lacatoire Apr 17, 2026
48cf1dc
review: add the note to the package install method too
lacatoire Apr 17, 2026
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22 changes: 22 additions & 0 deletions content/manuals/engine/install/fedora.md
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Expand Up @@ -150,6 +150,17 @@ $ sudo dnf config-manager addrepo --from-repofile {{% param "download-url-base"
boot your system. If you don't want Docker to start automatically, use `sudo
systemctl start docker` instead.

> [!NOTE]
>
> If the Docker service fails to start and `journalctl -u docker`
> shows `failed to find iptables`, point the `iptables` command to
> `iptables-nft` using `alternatives` and restart the service:
>
> ```console
> $ sudo alternatives --set iptables /usr/bin/iptables-nft
> $ sudo systemctl restart docker
> ```

3. Verify that the installation is successful by running the `hello-world` image:

```console
Expand Down Expand Up @@ -199,6 +210,17 @@ download a new file each time you want to upgrade Docker Engine.
boot your system. If you don't want Docker to start automatically, use `sudo
systemctl start docker` instead.

> [!NOTE]
>
> If the Docker service fails to start and `journalctl -u docker`
> shows `failed to find iptables`, point the `iptables` command to
> `iptables-nft` using `alternatives` and restart the service:
>
> ```console
> $ sudo alternatives --set iptables /usr/bin/iptables-nft
> $ sudo systemctl restart docker
> ```

4. Verify that the installation is successful by running the `hello-world` image:

```console
Expand Down