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RS: Port 53 must be available for RS installation on any OS (#1084)
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* DOC-4620 RS: Port 53 must be available for installation on any OS

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rrelledge authored Jan 30, 2025
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6 changes: 2 additions & 4 deletions content/embeds/port-53.md
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If port 53 is in use, the installation fails. This can occur in
default installations of Ubuntu 18.04 and 20.04 in which `systemd-resolved` (DNS server) is running.
If port 53 is in use, the installation fails. This issue can occur in default installations of certain operating systems in which `systemd-resolved` (DNS server) is running.

To prevent this issue, change the system configuration to make this port available
before installation.
To prevent this issue, change the system configuration to make this port available before installation.

1. Edit `/etc/systemd/resolved.conf`:

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Expand Up @@ -19,6 +19,6 @@ Before [installing Redis Enterprise Software]({{< relref "/operate/rs/installing

{{<embed-md "port-collision-avoidance.md">}}

## Ubuntu conflicts with port 53
## OS conflicts with port 53

{{<embed-md "port-53.md">}}
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Expand Up @@ -37,7 +37,7 @@ For production environments, see the [install and setup]({{< relref "/operate/rs

{{<embed-md "port-collision-avoidance.md">}}

### Ubuntu conflicts with port 53
### OS conflicts with port 53

{{<embed-md "port-53.md">}}

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2 changes: 1 addition & 1 deletion content/operate/rs/7.4/networking/port-configurations.md
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Expand Up @@ -134,7 +134,7 @@ rladmin cluster config cnm_http_port <new-port>
rladmin cluster config cnm_https_port <new-port>
```
### Ubuntu conflicts with port 53
### OS conflicts with port 53
{{<embed-md "port-53.md">}}
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Expand Up @@ -18,6 +18,6 @@ Before [installing Redis Enterprise Software]({{< relref "/operate/rs/installing

{{<embed-md "port-collision-avoidance.md">}}

## Ubuntu conflicts with port 53
## OS conflicts with port 53

{{<embed-md "port-53.md">}}
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Expand Up @@ -36,7 +36,7 @@ For production environments, see the [install and setup]({{< relref "/operate/rs

{{<embed-md "port-collision-avoidance.md">}}

### Ubuntu conflicts with port 53
### OS conflicts with port 53

{{<embed-md "port-53.md">}}

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2 changes: 1 addition & 1 deletion content/operate/rs/networking/port-configurations.md
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Expand Up @@ -133,7 +133,7 @@ rladmin cluster config cnm_http_port <new-port>
rladmin cluster config cnm_https_port <new-port>
```
### Ubuntu conflicts with port 53
### OS conflicts with port 53
{{<embed-md "port-53.md">}}
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