Update server 4.7 broken links (#202)

* fix broken links

* fix lint errors

* fix some tab labels

Author: rosieyohannan

docs/server-admin/modules/ROOT/nav.adoc

@@ -1,14 +1,14 @@
-* xref:overview:index.adoc[CircleCI server 4.7]
-** xref:overview:circleci-server-overview.adoc[CircleCI Server Overview]
+* CircleCI server 4.7
+** xref:overview:circleci-server-overview.adoc[CircleCI server Overview]
 ** xref:overview:release-notes.adoc[Release notes]
 
-* xref:installation:index.adoc[Installing CircleCI server]
-** xref:installation:install-on-aws.adoc[Install on AWS]
+* Installing CircleCI server
+** Install on AWS
 *** xref:installation:phase-1-aws-prerequisites.adoc[Phase 1: AWS prerequisites]
 *** xref:installation:phase-2-aws-core-services.adoc[Phase 2: AWS Core services installation]
 *** xref:installation:phase-3-aws-execution-environments.adoc[Phase 3: AWS execution environments installation]
 *** xref:installation:phase-4-aws-post-installation.adoc[Phase 4: AWS post-installation]
-** xref:installation:install-on-gcp.adoc[Install on GCP]
+** Install on GCP
 *** xref:installation:phase-1-gcp-prerequisites.adoc[Phase 1: GCP prerequisites]
 *** xref:installation:phase-2-gcp-core-services.adoc[Phase 2: GCP Core services installation]
 *** xref:installation:phase-3-gcp-execution-environments.adoc[Phase 3: GCP execution environments installation]
@@ -18,16 +18,16 @@
 ** xref:installation:upgrade-server.adoc[Upgrading server]
 ** xref:installation:installation-reference.adoc[Installation reference]
 
-* xref:air-gapped-installation:index.adoc[Installing CircleCI server in an air-gapped environment]
+* Installing CircleCI server in an air-gapped environment
 ** xref:air-gapped-installation:phase-1-prerequisites.adoc[Phase 1 - Prerequisites]
 ** xref:air-gapped-installation:phase-2-configure-object-storage.adoc[Phase 2 - Configure object storage]
 ** xref:air-gapped-installation:phase-3-install-circleci-server.adoc[Phase 3 - Install CircleCI server]
 ** xref:air-gapped-installation:phase-4-configure-nomad-clients.adoc[Phase 4 - Configure Nomad clients]
 ** xref:air-gapped-installation:phase-5-test-your-installation.adoc[Phase 5 - Test installation]
 ** xref:air-gapped-installation:additional-considerations.adoc[Additional considerations]
-** xref:air-gapped-installation:example-values.adoc[Example values.yaml]
+** xref:air-gapped-installation:example-values.adoc[Example Values YAML]
 
-* xref:operator:index.adoc[CircleCI server operator guide]
+* CircleCI server operator guide
 ** xref:operator:operator-overview.adoc[Operator overview]
 ** xref:operator:introduction-to-nomad-cluster-operation.adoc[Introduction to Nomad cluster operation]
 ** xref:operator:managing-user-accounts.adoc[Managing user accounts]

docs/server-admin/modules/ROOT/pages/index.adoc

@@ -1,2 +1,5 @@
 = CircleCI server administration v4.7
-:page-noindex: true
+:page-layout: subsection
+:page-description: Landing page for CircleCI server administration v4.7.
+
+CircleCI server is the on-premises CircleCI platform. In this section you will find the documentation for installing, configuring, and managing CircleCI server.

docs/server-admin/modules/ROOT/partials/installation/phase-1.adoc

@@ -1,4 +1,4 @@
-CircleCI server v4.7 is installed as a Helm chart. The installation process is broken down into four phases. There is a validation step at the end of each phase, allowing you to confirm success before moving to the next phase. Depending on your requirements, phases 3 and 4 may include multiple steps. This installation guide assumes you have already read the xref:server-admin:overview:circleci-server-overview.adoc[CircleCI server v4.7 overview].
+CircleCI server v4.7 is installed as a Helm chart. The installation process is broken down into four phases. Each phase has a validation step at the end, allowing you to confirm success before moving to the next phase. Depending on your requirements, phases 3 and 4 may include multiple steps. This installation guide assumes you have already read the xref:server-admin:overview:circleci-server-overview.adoc[CircleCI server v4.7 overview].
 
 NOTE: In the following sections, replace any sections indicated by `< >` with your details.
 
@@ -48,7 +48,7 @@ endif::env-aws[]
 | Infrastructure Management
 | Required for installations within GCP or AWS
 
-| Install and configure link:https://docs.min.io/docs/minio-client-quickstart-guide.html[MinIO CLI] for your storage provider if you choose not to use AWS or GCP object storage.
+| Install and configure link:https://min.io/docs/minio/linux/reference/minio-mc.html[MinIO CLI] for your storage provider if you choose not to use AWS or GCP object storage.
 | TBC
 | TBC
 | Required for installations outside AWS and GCP, for example, local installation.
@@ -86,7 +86,7 @@ For high availability, and to avoid potential outages, you should provision subn
 
 [#create-a-kubernetes-cluster]
 == 2. Create a Kubernetes cluster
-CircleCI server installs into an existing Kubernetes cluster. If you have not already created a cluster, you should do so next. There are instructions for creating a cluster below, or if you are installing locally, first consider the sizing, version, and permissions requirements.
+CircleCI server installs into an existing Kubernetes cluster. If you have not already created a cluster, you should do so next. Instructions for creating a cluster are provided below. If you are installing locally, first consider the sizing, version, and permissions requirements.
 
 [#cluster-requirements]
 === Cluster requirements
@@ -728,7 +728,7 @@ aws iam create-policy --policy-name circleci-s3 --policy-document file://<POLICY
 aws iam attach-role-policy --role-name <OBJECT_STORAGE_ROLE_NAME> --policy-arn=<STORAGE_POLICY_ARN>
 ----
 --
-IAM_access_keys::
+IAM access keys::
 +
 --
 **Option 2:** IAM access keys
@@ -912,7 +912,7 @@ gcloud projects add-iam-policy-binding <PROJECT_ID> \
 +
 [tabs]
 ====
-Workload_Identity::
+Workload Identity::
 +
 --
 **Option 1:** Workload Identity
@@ -939,7 +939,7 @@ gcloud projects add-iam-policy-binding <PROJECT_ID> \
     --condition=None
 ----
 --
-Static_credentials::
+Static credentials::
 +
 --
 **Option 2:** Static credentials