Update various redirected and 404'ing links

Update assorted links that are redirecting or
throwing 404 errors, to their correct final urls

doc/administration/geo/replication/database.md

@@ -457,7 +457,7 @@ The replication process is now complete.
 ## PgBouncer support (optional)
-[PgBouncer](http://pgbouncer.github.io/) may be used with GitLab Geo to pool
+[PgBouncer](https://www.pgbouncer.org/) may be used with GitLab Geo to pool
 PostgreSQL connections. We recommend using PgBouncer if you use GitLab in a
 high-availability configuration with a cluster of nodes supporting a Geo
 **primary** node and another cluster of nodes supporting a Geo **secondary** node. For more

doc/administration/high_availability/pgbouncer.md

@@ -4,7 +4,7 @@ type: reference
 # Working with the bundle PgBouncer service
-As part of its High Availability stack, GitLab Premium includes a bundled version of [PgBouncer](https://pgbouncer.github.io/) that can be managed through `/etc/gitlab/gitlab.rb`.
+As part of its High Availability stack, GitLab Premium includes a bundled version of [PgBouncer](https://www.pgbouncer.org/) that can be managed through `/etc/gitlab/gitlab.rb`.
 In a High Availability setup, PgBouncer is used to seamlessly migrate database connections between servers in a failover scenario.
@@ -177,7 +177,7 @@ If you enable Monitoring, it must be enabled on **all** PgBouncer servers.
 #### Administrative console
-As part of Omnibus GitLab, we provide a command `gitlab-ctl pgb-console` to automatically connect to the PgBouncer administrative console. Please see the [PgBouncer documentation](https://pgbouncer.github.io/usage.html#admin-console) for detailed instructions on how to interact with the console.
+As part of Omnibus GitLab, we provide a command `gitlab-ctl pgb-console` to automatically connect to the PgBouncer administrative console. Please see the [PgBouncer documentation](https://www.pgbouncer.org/usage.html#admin-console) for detailed instructions on how to interact with the console.
 To start a session, run

doc/administration/high_availability/redis.md

@@ -491,7 +491,7 @@ multiple machines with the Sentinel daemon.
 1. **You can omit this step if the Sentinels will be hosted in the same node as
    the other Redis instances.**
-   [Download/install](https://about.gitlab.com/downloads-ee) the
+   [Download/install](https://about.gitlab.com/install/) the
    Omnibus GitLab Enterprise Edition package using **steps 1 and 2** from the
    GitLab downloads page.
    - Make sure you select the correct Omnibus package, with the same version

doc/administration/packages/container_registry.md

@@ -877,6 +877,6 @@ The above image shows:
 - The HEAD request to the AWS bucket reported a 403 Unauthorized.
 What does this mean? This strongly suggests that the S3 user does not have the right
-[permissions to perform a HEAD request](https://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectHEAD.html).
+[permissions to perform a HEAD request](https://docs.aws.amazon.com/AmazonS3/latest/API/API_HeadObject.html).
 The solution: check the [IAM permissions again](https://docs.docker.com/registry/storage-drivers/s3/).
 Once the right permissions were set, the error will go away.

doc/api/services.md

@@ -605,7 +605,7 @@ Set Jira service for a project.
 > Starting with GitLab 8.14, `api_url`, `issues_url`, `new_issue_url` and
 > `project_url` are replaced by `url`. If you are using an
-> older version, [follow this documentation][old-jira-api].
+> older version, [follow this documentation](https://gitlab.com/gitlab-org/gitlab/blob/8-13-stable-ee/doc/api/services.md#jira).
 ```
 PUT /projects/:id/services/jira
@@ -1224,9 +1224,6 @@ Get Jenkins CI (Deprecated) service settings for a project.
 GET /projects/:id/services/jenkins-deprecated
 ```
-[jira-doc]: ../user/project/integrations/jira.md
-[old-jira-api]: https://gitlab.com/gitlab-org/gitlab/blob/8-13-stable/doc/api/services.md#jira
-
 ## MockCI
 Mock an external CI. See [`gitlab-org/gitlab-mock-ci-service`](https://gitlab.com/gitlab-org/gitlab-mock-ci-service) for an example of a companion mock service.

doc/ci/docker/using_docker_build.md

@@ -174,7 +174,7 @@ support this.
    The above command will register a new Runner to use the special
    `docker:19.03.1` image, which is provided by Docker. **Notice that it's
    using the `privileged` mode to start the build and service
-   containers.** If you want to use [docker-in-docker] mode, you always
+   containers.** If you want to use [docker-in-docker](https://www.docker.com/blog/docker-can-now-run-within-docker/) mode, you always
    have to use `privileged = true` in your Docker containers.
    This will also mount `/certs/client` for the service and build
@@ -723,7 +723,6 @@ or [Kubernetes](https://docs.gitlab.com/runner/executors/kubernetes.html) execut
 make sure that [`pull_policy`](https://docs.gitlab.com/runner/executors/docker.html#how-pull-policies-work)
 is set to `always`.
-[docker-in-docker]: https://blog.docker.com/2013/09/docker-can-now-run-within-docker/
 [docker-cap]: https://docs.docker.com/engine/reference/run/#runtime-privilege-and-linux-capabilities
 [2fa]: ../../user/profile/account/two_factor_authentication.md
 [pat]: ../../user/profile/personal_access_tokens.md

doc/ci/yaml/README.md

@@ -999,12 +999,11 @@ docker build:
       when: delayed
       start_in: '3 hours'
     - when: on_success # Otherwise include the job and set to run normally
-
 ```
 Additional job configuration may be added to rules in the future. If something
 useful isn't available, please
-[open an issue](https://www.gitlab.com/gitlab-org/gitlab/issues).
+[open an issue](https://gitlab.com/gitlab-org/gitlab/issues).
 ### `tags`

doc/integration/bitbucket.md

@@ -24,7 +24,7 @@ Bitbucket.org.
 GitLab 8.15 significantly simplified the way to integrate Bitbucket.org with
 GitLab. You are encouraged to upgrade your GitLab instance if you haven't done so
 already. If you're using GitLab 8.14 or below, [use the previous integration
-docs][bb-old].
+docs](https://gitlab.com/gitlab-org/gitlab/blob/8-14-stable-ee/doc/integration/bitbucket.md).
 To enable the Bitbucket OmniAuth provider you must register your application
 with Bitbucket.org. Bitbucket will generate an application ID and secret key for
@@ -135,9 +135,6 @@ GitLab and [start importing your projects][bb-import].
 If you want to import projects from Bitbucket, but don't want to enable signing in,
 you can [disable Sign-Ins in the admin panel](omniauth.md#enable-or-disable-sign-in-with-an-omniauth-provider-without-disabling-import-sources).
-[init-oauth]: omniauth.md#initial-omniauth-configuration
 [bb-import]: ../user/project/import/bitbucket.md
-[bb-old]: https://gitlab.com/gitlab-org/gitlab/blob/8-14-stable/doc/integration/bitbucket.md
-[bitbucket-docs]: https://confluence.atlassian.com/bitbucket/use-the-ssh-protocol-with-bitbucket-cloud-221449711.html#UsetheSSHprotocolwithBitbucketCloud-KnownhostorBitbucket%27spublickeyfingerprints
 [reconfigure GitLab]: ../administration/restart_gitlab.md#omnibus-gitlab-reconfigure
 [restart]: ../administration/restart_gitlab.md#installations-from-source

doc/integration/saml.md

@@ -572,7 +572,7 @@ installations from source. Restart Unicorn using the `sudo gitlab-ctl restart un
 command on Omnibus installations and `sudo service gitlab restart` on installations
 from source.
-You may also find the [SSO Tracer](https://addons.mozilla.org/en-US/firefox/addon/sso-tracer/)
+You may also find the [SAML Tracer](https://addons.mozilla.org/en-US/firefox/addon/saml-tracer/)
 (Firefox) and [SAML Chrome Panel](https://chrome.google.com/webstore/detail/saml-chrome-panel/paijfdbeoenhembfhkhllainmocckace)
 (Chrome) browser extensions useful in your debugging.

doc/integration/ultra_auth.md

@@ -8,7 +8,7 @@ To enable UltraAuth OmniAuth provider, you must use UltraAuth's credentials for
 To get the credentials (a pair of Client ID and Client Secret), you must register an application on UltraAuth.
 1. Sign in to [UltraAuth](https://ultraauth.com).
-1. Navigate to [Create an App](https://ultraauth.com/select-strategy) and click on "Ruby on Rails".
+1. Navigate to **Create an App** and click on **Ruby on Rails**.
 1. Scroll down the page that is displayed to locate the **Client ID** and **Client Secret**.
    Keep this page open as you continue configuration.

doc/topics/autodevops/index.md

@@ -112,7 +112,7 @@ To make full use of Auto DevOps, you will need:
      NOTE: **Note:**
      If you are using your own Ingress instead of the one provided by GitLab's managed
      apps, ensure you are running at least version 0.9.0 of NGINX Ingress and
-     [enable Prometheus metrics](https://github.com/kubernetes/ingress-nginx/blob/master/docs/examples/customization/custom-vts-metrics-prometheus/nginx-vts-metrics-conf.yaml)
+     [enable Prometheus metrics](https://github.com/helm/charts/tree/master/stable/nginx-ingress#prometheus-metrics)
      in order for the response metrics to appear. You will also have to
      [annotate](https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/)
      the NGINX Ingress deployment to be scraped by Prometheus using

doc/user/admin_area/monitoring/health_check.md

@@ -13,7 +13,7 @@ type: concepts, howto
 GitLab provides liveness and readiness probes to indicate service health and
 reachability to required services. These probes report on the status of the
 database connection, Redis connection, and access to the filesystem. These
-endpoints [can be provided to schedulers like Kubernetes][kubernetes] to hold
+endpoints [can be provided to schedulers like Kubernetes](https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/) to hold
 traffic until the system is ready or restart the container as needed.
 ## IP whitelist
@@ -169,4 +169,3 @@ but commented out to help encourage others to add to it in the future. -->
 [pingdom]: https://www.pingdom.com
 [nagios-health]: https://nagios-plugins.org/doc/man/check_http.html
 [newrelic-health]: https://docs.newrelic.com/docs/alerts/alert-policies/downtime-alerts/availability-monitoring
-[kubernetes]: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/

doc/user/application_security/dependency_scanning/index.md

@@ -59,7 +59,7 @@ The following languages and dependency managers are supported.
 | Go ([Golang](https://golang.org/)) | not currently ([issue](https://gitlab.com/gitlab-org/gitlab/issues/7132 "Dependency Scanning for Go")) | not available |
 | PHP ([Composer](https://getcomposer.org/))  | yes | [gemnasium](https://gitlab.com/gitlab-org/security-products/gemnasium) |
 | Python ([pip](https://pip.pypa.io/en/stable/)) | yes | [gemnasium](https://gitlab.com/gitlab-org/security-products/gemnasium) |
-| Python ([Pipfile](https://docs.pipenv.org/en/latest/basics/)) | not currently ([issue](https://gitlab.com/gitlab-org/gitlab/issues/11756 "Pipfile.lock support for Dependency Scanning"))| not available |
+| Python ([Pipfile](https://pipenv.kennethreitz.org/en/latest/basics/)) | not currently ([issue](https://gitlab.com/gitlab-org/gitlab/issues/11756 "Pipfile.lock support for Dependency Scanning"))| not available |
 | Python ([poetry](https://poetry.eustace.io/)) | not currently ([issue](https://gitlab.com/gitlab-org/gitlab/issues/7006 "Support Poetry in Dependency Scanning")) | not available |
 | Ruby ([gem](https://rubygems.org/)) | yes | [gemnasium](https://gitlab.com/gitlab-org/security-products/gemnasium), [bundler-audit](https://github.com/rubysec/bundler-audit) |

doc/user/group/saml_sso/index.md

@@ -116,7 +116,7 @@ NOTE: **Note:** GitLab is unable to provide support for IdPs that are not listed
 | Azure | [Configuring single sign-on to applications](https://docs.microsoft.com/en-us/azure/active-directory/manage-apps/configure-single-sign-on-non-gallery-applications) |
 | Auth0 | [Auth0 as Identity Provider](https://auth0.com/docs/protocols/saml/saml-idp-generic) |
 | G Suite | [Set up your own custom SAML application](https://support.google.com/a/answer/6087519?hl=en) |
-| JumpCloud | [Single Sign On (SSO) with GitLab](https://support.jumpcloud.com/customer/en/portal/articles/2810701-single-sign-on-sso-with-gitlab) |
+| JumpCloud | [Single Sign On (SSO) with GitLab](https://support.jumpcloud.com/support/s/article/single-sign-on-sso-with-gitlab-2019-08-21-10-36-47) |
 | Okta | [Setting up a SAML application in Okta](https://developer.okta.com/docs/guides/saml-application-setup/overview/) |
 | OneLogin | [Use the OneLogin SAML Test Connector](https://onelogin.service-now.com/support?id=kb_article&sys_id=93f95543db109700d5505eea4b96198f) |
 | Ping Identity | [Add and configure a new SAML application](https://support.pingidentity.com/s/document-item?bundleId=pingone&topicId=xsh1564020480660-1.html) |

doc/user/project/integrations/gitlab_slack_application.md

@@ -31,7 +31,7 @@ integration settings.
 Keep in mind that you need to have the appropriate permissions for your Slack
 team in order to be able to install a new application, read more in Slack's
-docs on [Adding an app to your team][slack-docs].
+docs on [Adding an app to your team](https://slack.com/help/articles/202035138).
 To enable GitLab's service for your Slack team:
@@ -60,6 +60,5 @@ project, you would do:
 /gitlab gitlab-org/gitlab issue show 1001
 ```
-[slack-docs]: https://get.slack.help/hc/en-us/articles/202035138-Adding-apps-to-your-team
 [slash commands]: ../../../integration/slash_commands.md
 [slack-manual]: slack_slash_commands.md

doc/user/project/integrations/jira.md

@@ -59,7 +59,7 @@ When connecting to **Jira Cloud**, which supports authentication via API token,
 >   higher is required.
 > - GitLab 8.14 introduced a new way to integrate with Jira which greatly simplified
 >   the configuration options you have to enter. If you are using an older version,
->   [follow this documentation][jira-repo-old-docs].
+>   [follow this documentation](https://gitlab.com/gitlab-org/gitlab/blob/8-13-stable-ee/doc/project_services/jira.md).
 > - In order to support Oracle's Access Manager, GitLab will send additional cookies
 >   to enable Basic Auth. The cookie being added to each request is `OBBasicAuth` with
 >   a value of `fromDialog`.
@@ -205,4 +205,3 @@ authenticate with the Jira site. You will need to log in to your Jira instance
 and complete the CAPTCHA.
 [services-templates]: services_templates.md
-[jira-repo-old-docs]: https://gitlab.com/gitlab-org/gitlab/blob/8-13-stable/doc/project_services/jira.md

doc/user/project/integrations/project_services.md

@@ -58,7 +58,7 @@ Click on the service links to see further configuration instructions and details
 ## Push hooks limit
-> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/31009) in GitLab 12.4.
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/merge_requests/17874) in GitLab 12.4.
 If a single push includes changes to more than three branches or tags, services
 supported by `push_hooks` and `tag_push_hooks` events won't be executed.