Update 404 and redirected links

Update all links throwing 404 or redirect messages
in the docs project link checked, for monitoring,
install and security docs.

doc/administration/monitoring/performance/index.md

@@ -31,8 +31,8 @@ including (but not limited to):
 - System statistics such as the process' memory usage and open file descriptors.
 - Ruby garbage collection statistics.
 
-Metrics data is written to [InfluxDB][influxdb] over [UDP][influxdb-udp]. Stored
-data can be visualized using [Grafana][grafana] or any other application that
+Metrics data is written to [InfluxDB](https://www.influxdata.com/products/influxdb-overview/)
+over [UDP][influxdb-udp]. Stored data can be visualized using [Grafana](https://grafana.com) or any other application that
 supports reading data from InfluxDB. Alternatively data can be queried using the
 InfluxDB CLI.
 
@@ -67,6 +67,4 @@ the actual interval can be anywhere between 7.5 and 22.5. The interval is
 re-generated for every sampling run instead of being generated once and re-used
 for the duration of the process' lifetime.
 
-[influxdb]: https://influxdata.com/time-series-platform/influxdb/
 [influxdb-udp]: https://docs.influxdata.com/influxdb/v0.9/write_protocols/udp/
-[grafana]: http://grafana.org/

doc/administration/monitoring/performance/influxdb_configuration.md

@@ -38,8 +38,8 @@ InfluxDB needs to be restarted.
 ### Storage Engine
 
 InfluxDB comes with different storage engines and as of InfluxDB 0.9.5 a new
-storage engine is available, called [TSM Tree]. All users **must** use the new
-`tsm1` storage engine as this [will be the default engine][tsm1-commit] in
+storage engine is available, called [TSM Tree](https://www.influxdata.com/blog/new-storage-engine-time-structured-merge-tree/).
+All users **must** use the new `tsm1` storage engine as this [will be the default engine][tsm1-commit] in
 upcoming InfluxDB releases.
 
 Make sure you have the following in your configuration file:
@@ -188,6 +188,5 @@ Read more on:
 [influxdb cli]: https://docs.influxdata.com/influxdb/v0.9/tools/shell/
 [udp]: https://docs.influxdata.com/influxdb/v0.9/write_protocols/udp/
 [influxdb]: https://www.influxdata.com/products/influxdb-overview/
-[tsm tree]: https://influxdata.com/blog/new-storage-engine-time-structured-merge-tree/
 [tsm1-commit]: https://github.com/influxdata/influxdb/commit/15d723dc77651bac83e09e2b1c94be480966cb0d
 [influx-admin]: https://docs.influxdata.com/influxdb/v0.9/administration/authentication_and_authorization/#create-a-new-admin-user

doc/administration/monitoring/prometheus/index.md

@@ -21,7 +21,7 @@ Prometheus works by periodically connecting to data sources and collecting their
 performance metrics via the [various exporters](#bundled-software-metrics). To view
 and work with the monitoring data, you can either
 [connect directly to Prometheus](#viewing-performance-metrics) or utilize a
-dashboard tool like [Grafana].
+dashboard tool like [Grafana](https://grafana.com).
 
 ## Configuring Prometheus
 
@@ -199,8 +199,8 @@ having [NGINX proxy it][nginx-custom-config].
 
 The performance data collected by Prometheus can be viewed directly in the
 Prometheus console or through a compatible dashboard tool.
-The Prometheus interface provides a [flexible query language][prom-query] to work
-with the collected data where you can visualize their output.
+The Prometheus interface provides a [flexible query language](https://prometheus.io/docs/prometheus/latest/querying/basics/)
+to work with the collected data where you can visualize their output.
 For a more fully featured dashboard, Grafana can be used and has
 [official support for Prometheus][prom-grafana].
 
@@ -274,7 +274,7 @@ The GitLab exporter allows you to measure various GitLab metrics, pulled from Re
 > Introduced in GitLab 9.0.
 > Pod monitoring introduced in GitLab 9.4.
 
-If your GitLab server is running within Kubernetes, Prometheus will collect metrics from the Nodes and [annotated Pods](https://prometheus.io/docs/operating/configuration/#kubernetes_sd_config) in the cluster, including performance data on each container. This is particularly helpful if your CI/CD environments run in the same cluster, as you can use the [Prometheus project integration][prometheus integration] to monitor them.
+If your GitLab server is running within Kubernetes, Prometheus will collect metrics from the Nodes and [annotated Pods](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#kubernetes_sd_config) in the cluster, including performance data on each container. This is particularly helpful if your CI/CD environments run in the same cluster, as you can use the [Prometheus project integration][prometheus integration] to monitor them.
 
 To disable the monitoring of Kubernetes:
 
@@ -288,16 +288,11 @@ To disable the monitoring of Kubernetes:
 1. Save the file and [reconfigure GitLab][reconfigure] for the changes to
    take effect.
 
-[grafana]: https://grafana.net
 [hsts]: https://en.wikipedia.org/wiki/HTTP_Strict_Transport_Security
 [multi-user-prometheus]: https://gitlab.com/gitlab-org/multi-user-prometheus
 [nginx-custom-config]: https://docs.gitlab.com/omnibus/settings/nginx.html#inserting-custom-nginx-settings-into-the-gitlab-server-block
 [prometheus]: https://prometheus.io
-[prom-exporters]: https://prometheus.io/docs/instrumenting/exporters/
-[prom-query]: https://prometheus.io/docs/querying/basics
 [prom-grafana]: https://prometheus.io/docs/visualization/grafana/
-[scrape-config]: https://prometheus.io/docs/operating/configuration/#%3Cscrape_config%3E
 [reconfigure]: ../../restart_gitlab.md#omnibus-gitlab-reconfigure
 [1261]: https://gitlab.com/gitlab-org/omnibus-gitlab/merge_requests/1261
 [prometheus integration]: ../../../user/project/integrations/prometheus.md
-[prometheus-cadvisor-metrics]: https://github.com/google/cadvisor/blob/master/docs/storage/prometheus.md

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](http://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectHEAD.html).
+[permissions to perform a HEAD request](https://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectHEAD.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/install/README.md

@@ -83,7 +83,7 @@ the above methods, provided the cloud provider supports it.
 - [Install GitLab on Google Cloud Platform](google_cloud_platform/index.md): Install Omnibus GitLab on a VM in GCP.
 - [Install GitLab on Azure](azure/index.md): Install Omnibus GitLab from Azure Marketplace.
 - [Install GitLab on OpenShift](https://docs.gitlab.com/charts/installation/cloud/openshift.html): Install GitLab on OpenShift by using GitLab's Helm charts.
-- [Install GitLab on DC/OS](https://mesosphere.com/blog/gitlab-dcos/): Install GitLab on Mesosphere DC/OS via the [GitLab-Mesosphere integration](https://about.gitlab.com/2016/09/16/announcing-gitlab-and-mesosphere/).
+- [Install GitLab on DC/OS](https://d2iq.com/blog/gitlab-dcos): Install GitLab on Mesosphere DC/OS via the [GitLab-Mesosphere integration](https://about.gitlab.com/2016/09/16/announcing-gitlab-and-mesosphere/).
 - [Install GitLab on DigitalOcean](https://about.gitlab.com/2016/04/27/getting-started-with-gitlab-and-digitalocean/): Install Omnibus GitLab on DigitalOcean.
 - _Testing only!_ [DigitalOcean and Docker Machine](digitaloceandocker.md):
   Quickly test any version of GitLab on DigitalOcean using Docker Machine.

doc/install/aws/index.md

@@ -43,7 +43,7 @@ Below is a diagram of the recommended architecture.
 Here's a list of the AWS services we will use, with links to pricing information:
 
 - **EC2**: GitLab will deployed on shared hardware which means
-  [on-demand pricing](https://aws.amazon.com/ec2/pricing/on-demand)
+  [on-demand pricing](https://aws.amazon.com/ec2/pricing/on-demand/)
   will apply. If you want to run it on a dedicated or reserved instance,
   consult the [EC2 pricing page](https://aws.amazon.com/ec2/pricing/) for more
   information on the cost.
@@ -222,10 +222,10 @@ Now, it's time to create the database:
    1. For the size, let's select a `t2.medium` instance.
    1. Multi-AZ-deployment is recommended as redundancy, so choose "Create
       replica in different zone". Read more at
-      [High Availability (Multi-AZ)](http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Concepts.MultiAZ.html).
+      [High Availability (Multi-AZ)](https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Concepts.MultiAZ.html).
    1. A Provisioned IOPS (SSD) storage type is best suited for HA (though you can
       choose a General Purpose (SSD) to reduce the costs). Read more about it at
-      [Storage for Amazon RDS](http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/CHAP_Storage.html).
+      [Storage for Amazon RDS](https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/CHAP_Storage.html).
 
 1. The rest of the settings on this page request a DB instance identifier, username
    and a master password. We've chosen to use `gitlab-db-ha`, `gitlab` and a
@@ -668,7 +668,7 @@ to request additional material:
   about administering your GitLab instance.
 - [Upload a license](../../user/admin_area/license.md):
   Activate all GitLab Enterprise Edition functionality with a license.
-- [Pricing](https://about.gitlab.com/pricing): Pricing for the different tiers.
+- [Pricing](https://about.gitlab.com/pricing/): Pricing for the different tiers.
 
 <!-- ## Troubleshooting
 

doc/install/azure/index.md

@@ -38,7 +38,7 @@ create SQL Databases, author websites, and perform lots of other cloud tasks.
 
 ## Create New VM
 
-The [Azure Marketplace][Azure-Marketplace] is an online store for pre-configured applications and
+The [Azure Marketplace](https://azuremarketplace.microsoft.com/en-us/marketplace/) is an online store for pre-configured applications and
 services which have been optimized for the cloud by software vendors like GitLab,
 available on the Azure Marketplace as pre-configured solutions. In this tutorial
 we will install GitLab Community Edition, but for GitLab Enterprise Edition you
@@ -108,7 +108,7 @@ ahead and select this one, but please choose the size which best meets your own
 > **Note:** be aware that whilst your VM is active (known as "allocated"), it will incur
 "compute charges" which, ultimately, you will be billed for. So, even if you're using the
 free trial credits, you'll likely want to learn
-[how to properly shutdown an Azure VM to save money][Azure-Properly-Shutdown-VM].
+[how to properly shutdown an Azure VM to save money](https://buildazure.com/properly-shutdown-azure-vm-to-save-money/).
 
 Go ahead and click your chosen size, then click **"Select"** when you're ready to proceed to the
 next step.
@@ -329,7 +329,7 @@ To perform an update, we need to connect directly to our Azure VM instance and r
 from the terminal. Our Azure VM is actually a server running Linux (Ubuntu), so we'll need to
 connect to it using SSH ([Secure Shell][SSH]).
 
-If you're running Windows, you'll need to connect using [PuTTY] or an equivalent Windows SSH client.
+If you're running Windows, you'll need to connect using [PuTTY](https://www.putty.org) or an equivalent Windows SSH client.
 If you're running Linux or macOS, then you already have an SSH client installed.
 
 > **Note:**
@@ -337,7 +337,7 @@ If you're running Linux or macOS, then you already have an SSH client installed.
 > - Remember that you will need to login with the username and password you specified
 >   [when you created](#basics) your Azure VM
 > - If you need to reset your VM password, read
->   [how to reset SSH credentials for a user on an Azure VM][Azure-Troubleshoot-SSH-Connection].
+>   [how to reset SSH credentials for a user on an Azure VM](https://docs.microsoft.com/en-us/azure/virtual-machines/troubleshooting/troubleshoot-ssh-connection).
 
 #### SSH from the command-line
 
@@ -356,7 +356,7 @@ Provide your password at the prompt to authenticate.
 
 #### SSH from Windows (PuTTY)
 
-If you're using [PuTTY] in Windows as your [SSH] client, then you might want to take a quick
+If you're using [PuTTY](https://www.putty.org) in Windows as your [SSH] client, then you might want to take a quick
 read on [using PuTTY in Windows][Using-SSH-In-Putty].
 
 ### Updating GitLab
@@ -416,12 +416,12 @@ Check out our other [Technical Articles](../../articles/index.md) or browse the
 - [GitLab Enterprise Edition][EE]
 - [Microsoft Azure][Azure]
   - [Azure - Free Account FAQ][Azure-Free-Account-FAQ]
-  - [Azure - Marketplace][Azure-Marketplace]
+  - [Azure - Marketplace](https://azuremarketplace.microsoft.com/en-us/marketplace/)
   - [Azure Portal][Azure-Portal]
   - [Azure - Pricing Calculator][Azure-Pricing-Calculator]
-  - [Azure - Troubleshoot SSH Connections to an Azure Linux VM][Azure-Troubleshoot-SSH-Connection]
-  - [Azure - Properly Shutdown an Azure VM][Azure-Properly-Shutdown-VM]
-- [SSH], [PuTTY] and [Using SSH in PuTTY][Using-SSH-In-Putty]
+  - [Azure - Troubleshoot SSH Connections to an Azure Linux VM](https://docs.microsoft.com/en-us/azure/virtual-machines/troubleshooting/troubleshoot-ssh-connection)
+  - [Azure - Properly Shutdown an Azure VM](https://buildazure.com/properly-shutdown-azure-vm-to-save-money/)
+- [SSH], [PuTTY](https://www.putty.org) and [Using SSH in PuTTY][Using-SSH-In-Putty]
 
 [Original-Blog-Post]: https://about.gitlab.com/2016/07/13/how-to-setup-a-gitlab-instance-on-microsoft-azure/ "How to Set up a GitLab Instance on Microsoft Azure"
 [CE]: https://about.gitlab.com/features/
@@ -430,16 +430,12 @@ Check out our other [Technical Articles](../../articles/index.md) or browse the
 [Azure-Troubleshoot-Linux-VM]: https://docs.microsoft.com/en-us/azure/virtual-machines/linux/troubleshoot-app-connection "Troubleshoot application connectivity issues on a Linux virtual machine in Azure"
 [Azure-IP-Address-Types]: https://docs.microsoft.com/en-us/azure/virtual-network/virtual-network-ip-addresses-overview-arm "IP address types and allocation methods in Azure"
 [Azure-How-To-Open-Ports]: https://docs.microsoft.com/en-us/azure/virtual-machines/windows/nsg-quickstart-portal "How to open ports to a virtual machine with the Azure portal"
-[Azure-Troubleshoot-SSH-Connection]: https://docs.microsoft.com/en-us/azure/virtual-machines/linux/troubleshoot-ssh-connection "Troubleshoot SSH connections to an Azure Linux VM"
 [Azure]: https://azure.microsoft.com/en-us/
 [Azure-Free-Account-FAQ]: https://azure.microsoft.com/en-us/free/free-account-faq/
-[Azure-Marketplace]: https://azure.microsoft.com/en-us/marketplace/
 [Azure-Portal]: https://portal.azure.com
 [Azure-Pricing-Calculator]: https://azure.microsoft.com/en-us/pricing/calculator/
-[Azure-Properly-Shutdown-VM]: https://buildazure.com/2017/03/16/properly-shutdown-azure-vm-to-save-money/ "Properly Shutdown an Azure VM to Save Money"
 
 [SSH]: https://en.wikipedia.org/wiki/Secure_Shell
-[PuTTY]: http://www.putty.org/
 [Using-SSH-In-Putty]: https://mediatemple.net/community/products/dv/204404604/using-ssh-in-putty-
 
 <!-- ## Troubleshooting

doc/install/digitaloceandocker.md

@@ -14,9 +14,9 @@ locally on either macOS or Linux.
 
 ### On macOS
 
-#### Install Docker Toolbox
+#### Install Docker Desktop
 
-- <https://www.docker.com/products/docker-toolbox>
+- <https://www.docker.com/products/docker-desktop>
 
 ### On Linux
 
@@ -115,7 +115,7 @@ docker-machine ip gitlab-test-env-do
 # example output: 192.168.151.134
 ```
 
-Browse to: <http://192.168.151.134:8888/>.
+Browse to: `http://192.168.151.134:8888/`.
 
 #### Execute interactive shell/edit configuration
 

doc/install/google_cloud_platform/index.md

@@ -72,7 +72,7 @@ By default, Google assigns an ephemeral IP to your instance. It is strongly
 recommended to assign a static IP if you are going to use GitLab in production
 and use a domain name as we'll see below.
 
-Read Google's documentation on how to [promote an ephemeral IP address][ip].
+Read Google's documentation on how to [promote an ephemeral IP address](https://cloud.google.com/compute/docs/ip-addresses/reserve-static-external-ip-address#promote_ephemeral_ip).
 
 ### Using a domain name
 
@@ -133,9 +133,7 @@ Kerberos, etc. Here are some documents you might be interested in reading:
 - [GitLab Container Registry configuration](../../administration/packages/container_registry.md)
 
 [freetrial]: https://console.cloud.google.com/freetrial "GCP free trial"
-[ip]: https://cloud.google.com/compute/docs/configure-instance-ip-addresses#promote_ephemeral_ip "Configuring an Instance's IP Addresses"
 [gcp]: https://cloud.google.com/ "Google Cloud Platform"
-[launcher]: https://cloud.google.com/launcher/ "Google Cloud Launcher home page"
 [req]: ../requirements.md "GitLab hardware and software requirements"
 [ssh]: https://cloud.google.com/compute/docs/instances/connecting-to-instance "Connecting to Linux Instances"
 [omni-smtp]: https://docs.gitlab.com/omnibus/settings/smtp.html#smtp-settings "Omnibus GitLab SMTP settings"

doc/install/installation.md

@@ -10,7 +10,7 @@ other installation options, see the [main installation page](README.md).
 It was created for and tested on **Debian/Ubuntu** operating systems.
 Read [requirements.md](requirements.md) for hardware and operating system requirements.
 If you want to install on RHEL/CentOS, we recommend using the
-[Omnibus packages](https://about.gitlab.com/downloads/).
+[Omnibus packages](https://about.gitlab.com/install/).
 
 This guide is long because it covers many cases and includes all commands you
 need, this is [one of the few installation scripts that actually works out of the box](https://twitter.com/robinvdvleuten/status/424163226532986880).
@@ -25,7 +25,7 @@ following the
 
 ## Consider the Omnibus package installation
 
-Since an installation from source is a lot of work and error prone we strongly recommend the fast and reliable [Omnibus package installation](https://about.gitlab.com/downloads/) (deb/rpm).
+Since an installation from source is a lot of work and error prone we strongly recommend the fast and reliable [Omnibus package installation](https://about.gitlab.com/install/) (deb/rpm).
 
 One reason the Omnibus package is more reliable is its use of Runit to restart any of the GitLab processes in case one crashes.
 On heavily used GitLab instances the memory usage of the Sidekiq background worker will grow over time.
@@ -205,7 +205,7 @@ The Ruby interpreter is required to run GitLab.
 **Note:** The current supported Ruby (MRI) version is 2.6.x. GitLab 12.2
   dropped support for Ruby 2.5.x.
 
-The use of Ruby version managers such as [RVM], [rbenv] or [chruby] with GitLab
+The use of Ruby version managers such as [RVM], [rbenv](https://github.com/rbenv/rbenv) or [chruby] with GitLab
 in production, frequently leads to hard to diagnose problems. For example,
 GitLab Shell is called from OpenSSH, and having a version manager can prevent
 pushing and pulling over SSH. Version managers are not supported and we strongly
@@ -532,7 +532,7 @@ sudo -u git -H chmod o-rwx config/database.yml
 ### Install Gems
 
 NOTE: **Note:**
-As of Bundler 1.5.2, you can invoke `bundle install -jN` (where `N` is the number of your processor cores) and enjoy parallel gems installation with measurable difference in completion time (~60% faster). Check the number of your cores with `nproc`. For more information, see this [post](https://robots.thoughtbot.com/parallel-gem-installing-using-bundler).
+As of Bundler 1.5.2, you can invoke `bundle install -jN` (where `N` is the number of your processor cores) and enjoy parallel gems installation with measurable difference in completion time (~60% faster). Check the number of your cores with `nproc`. For more information, see this [post](https://thoughtbot.com/blog/parallel-gem-installing-using-bundler).
 
 Make sure you have `bundle` (run `bundle -v`):
 
@@ -1025,5 +1025,4 @@ sudo yum groupinstall 'Development Tools'
 ```
 
 [RVM]: https://rvm.io/ "RVM Homepage"
-[rbenv]: https://github.com/sstephenson/rbenv "rbenv on GitHub"
 [chruby]: https://github.com/postmodern/chruby "chruby on GitHub"

doc/install/openshift_and_gitlab/index.md

@@ -38,7 +38,7 @@ test OpenShift easily:
 
 - [VirtualBox]
 - [Vagrant]
-- [OpenShift Client][oc] (`oc` for short)
+- [OpenShift Client](https://docs.okd.io/latest/cli_reference/get_started_cli.html) (`oc` for short)
 
 It is also important to mention that for the purposes of this tutorial, the
 latest Origin release is used:
@@ -92,7 +92,7 @@ Now that OpenShift is set up, let's see how the web console looks like.
 
 Once Vagrant finishes its thing with the VM, you will be presented with a
 message which has some important information. One of them is the IP address
-of the deployed OpenShift platform and in particular <https://10.2.2.2:8443/console/>.
+of the deployed OpenShift platform and in particular `https://10.2.2.2:8443/console/`.
 Open this link with your browser and accept the self-signed certificate in
 order to proceed.
 
@@ -101,7 +101,7 @@ landing page looks like:
 
 ![openshift web console](img/web-console.png)
 
-You can see that a number of [projects] are already created for testing purposes.
+You can see that a number of [projects](https://docs.okd.io/latest/dev_guide/projects.html) are already created for testing purposes.
 
 If you head over the `openshift-infra` project, a number of services with their
 respective pods are there to explore.
@@ -109,15 +109,15 @@ respective pods are there to explore.
 ![openshift web console](img/openshift-infra-project.png)
 
 We are not going to explore the whole interface, but if you want to learn about
-the key concepts of OpenShift, read the [core concepts reference][core] in the
-official documentation.
+the key concepts of OpenShift, read the [core concepts reference](https://docs.okd.io/latest/architecture/core_concepts/index.html)
+in the official documentation.
 
 ### Explore the OpenShift CLI
 
 OpenShift Client (`oc`), is a powerful CLI tool that talks to the OpenShift API
 and performs pretty much everything you can do from the web UI and much more.
 
-Assuming you have [installed][oc] it, let's explore some of its main
+Assuming you have [installed](https://docs.okd.io/latest/cli_reference/get_started_cli.html) it, let's explore some of its main
 functionalities.
 
 Let's first see the version of `oc`:
@@ -174,7 +174,7 @@ The last command should spit a bunch of information about the statuses of the
 pods and the services, which if you look closely is what we encountered in the
 second image when we explored the web console.
 
-You can always read more about `oc` in the [OpenShift CLI documentation][oc].
+You can always read more about `oc` in the [OpenShift CLI documentation](https://docs.okd.io/latest/cli_reference/get_started_cli.html).
 
 ### Troubleshooting the all-in-one VM
 
@@ -250,7 +250,7 @@ The next step is to import the OpenShift template for GitLab.
 
 ### Import the template
 
-The [template][templates] is basically a JSON file which describes a set of
+The [template](https://docs.okd.io/latest/architecture/core_concepts/templates.html) is basically a JSON file which describes a set of
 related object definitions to be created together, as well as a set of
 parameters for those objects.
 
@@ -318,7 +318,7 @@ password for PostgreSQL, it will be created automatically.
 The `gitlab.apps.10.2.2.2.nip.io` hostname that is used by default will
 resolve to the host with IP `10.2.2.2` which is the IP our VM uses. It is a
 trick to have distinct FQDNs pointing to services that are on our local network.
-Read more on how this works in <http://nip.io>.
+Read more on how this works in <https://nip.io>.
 
 Now that we configured this, let's see how to manage and scale GitLab.
 
@@ -355,7 +355,7 @@ Navigate back to the **Overview** and hopefully all pods will be up and running.
 ![GitLab running](img/gitlab-running.png)
 
 Congratulations! You can now navigate to your new shinny GitLab instance by
-visiting <http://gitlab.apps.10.2.2.2.nip.io> where you will be asked to
+visiting `http://gitlab.apps.10.2.2.2.nip.io` where you will be asked to
 change the root user password. Login using `root` as username and providing the
 password you just set, and start using GitLab!
 
@@ -366,7 +366,7 @@ of resources, you'd be happy to know that you can scale up with the push of a
 button.
 
 In the **Overview** page just click the up arrow button in the pod where
-GitLab is. The change is instant and you can see the number of [replicas] now
+GitLab is. The change is instant and you can see the number of [replicas](https://docs.okd.io/latest/architecture/core_concepts/deployments.html#replication-controllers) now
 running scaled to 2.
 
 ![GitLab scale](img/gitlab-scale.png)
@@ -384,7 +384,7 @@ scale up. If a pod is in pending state for too long, you can navigate to
 ### Scale GitLab using the `oc` CLI
 
 Using `oc` is super easy to scale up the replicas of a pod. You may want to
-skim through the [basic CLI operations][basic-cli] to get a taste how the CLI
+skim through the [basic CLI operations](https://docs.okd.io/latest/cli_reference/basic_cli_operations.html) to get a taste how the CLI
 commands are used. Pay extra attention to the object types as we will use some
 of them and their abbreviated versions below.
 
@@ -457,7 +457,7 @@ In case you were wondering whether there is an option to autoscale a pod based
 on the resources of your server, the answer is yes, of course there is.
 
 We will not expand on this matter, but feel free to read the documentation on
-OpenShift's website about [autoscaling].
+OpenShift's website about [autoscaling](https://docs.okd.io/latest/dev_guide/pod_autoscaling.html).
 
 ## Current limitations
 
@@ -472,7 +472,7 @@ bother us. In any case, it is something to keep in mind when deploying GitLab
 on a production cluster.
 
 In order to deploy GitLab on a production cluster, you will need to assign the
-GitLab service account to the `anyuid` [Security Context Constraints][scc].
+GitLab service account to the `anyuid` [Security Context Constraints](https://docs.okd.io/latest/admin_guide/manage_scc.html).
 
 For OpenShift v3.0, you will need to do this manually:
 
@@ -505,25 +505,16 @@ application and you are done. You are ready to login to your new GitLab instance
 
 And remember that in this tutorial we just scratched the surface of what Origin
 is capable of. As always, you can refer to the detailed
-[documentation][openshift-docs] to learn more about deploying your own OpenShift
+[documentation](https://docs.okd.io) to learn more about deploying your own OpenShift
 PaaS and managing your applications with the ease of containers.
 
 [RedHat]: https://www.redhat.com/en "RedHat website"
 [vm-new]: https://app.vagrantup.com/openshift/boxes/origin-all-in-one "Official OpenShift Vagrant box on Vagrant Cloud"
 [template]: https://gitlab.com/gitlab-org/omnibus-gitlab/blob/master/docker/openshift-template.json "OpenShift template for GitLab"
 [Docker]: https://www.docker.com "Docker website"
-[oc]: https://docs.openshift.org/latest/cli_reference/get_started_cli.html "Documentation - oc CLI documentation"
 [VirtualBox]: https://www.virtualbox.org/wiki/Downloads "VirtualBox downloads"
 [Vagrant]: https://www.vagrantup.com/downloads.html "Vagrant downloads"
-[projects]: https://docs.openshift.org/latest/dev_guide/projects.html "Documentation - Projects overview"
-[core]: https://docs.openshift.org/latest/architecture/core_concepts/index.html "Documentation - Core concepts of OpenShift Origin"
-[templates]: https://docs.openshift.org/latest/architecture/core_concepts/templates.html "Documentation - OpenShift templates"
 [old-post]: https://blog.openshift.com/deploy-gitlab-openshift/ "Old post - Deploy GitLab on OpenShift"
 [line]: https://gitlab.com/gitlab-org/omnibus-gitlab/blob/658c065c8d022ce858dd63eaeeadb0b2ddc8deea/docker/openshift-template.json#L239 "GitLab - OpenShift template"
 [oc-gh]: https://github.com/openshift/origin/releases/tag/v1.3.0 "OpenShift Origin 1.3.0 release on GitHub"
-[ha]: ../../administration/high_availability/gitlab.html "Documentation - GitLab High Availability"
-[replicas]: https://docs.openshift.org/latest/architecture/core_concepts/deployments.html#replication-controllers "Documentation - Replication controller"
-[autoscaling]: https://docs.openshift.org/latest/dev_guide/pod_autoscaling.html "Documentation - Autoscale"
-[basic-cli]: https://docs.openshift.org/latest/cli_reference/basic_cli_operations.html "Documentation - Basic CLI operations"
-[openshift-docs]: https://docs.openshift.org "OpenShift documentation"
-[scc]: https://docs.openshift.org/latest/admin_guide/manage_scc.html "Documentation - Managing Security Context Constraints"
+[ha]: ../../administration/high_availability/gitlab.md "Documentation - GitLab High Availability"

doc/install/requirements.md

@@ -69,7 +69,7 @@ This is the recommended minimum hardware for a handful of example GitLab user ba
 - 4 cores supports up to 500 users
 - 8 cores supports up to 1,000 users
 - 32 cores supports up to 5,000 users
-- More users? Run it high-availability on [multiple application servers](https://about.gitlab.com/high-availability/)
+- More users? Run it high-availability on [multiple application servers](https://about.gitlab.com/solutions/high-availability/)
 
 ### Memory
 
@@ -86,7 +86,7 @@ errors during usage.
 - 16GB RAM supports up to 500 users
 - 32GB RAM supports up to 1,000 users
 - 128GB RAM supports up to 5,000 users
-- More users? Run it high-availability on [multiple application servers](https://about.gitlab.com/high-availability/)
+- More users? Run it high-availability on [multiple application servers](https://about.gitlab.com/solutions/high-availability/)
 
 We recommend having at least [2GB of swap on your server](https://askubuntu.com/a/505344/310789), even if you currently have
 enough available RAM. Having swap will help reduce the chance of errors occurring
@@ -139,7 +139,7 @@ If you are using [GitLab Geo](../development/geo.md):
 - The
   [tracking database](../development/geo.md#using-the-tracking-database)
   requires the
-  [postgres_fdw](https://www.postgresql.org/docs/9.6/static/postgres-fdw.html)
+  [postgres_fdw](https://www.postgresql.org/docs/9.6/postgres-fdw.html)
   extension.
 
 ```

doc/user/application_security/dependency_scanning/index.md

@@ -55,7 +55,7 @@ The following languages and dependency managers are supported.
 |----------------------------- | --------- | ------------ |
 | Java ([Gradle](https://gradle.org/)) | not currently ([issue](https://gitlab.com/gitlab-org/gitlab/issues/13075 "Dependency Scanning for Gradle" )) | not available |
 | Java ([Maven](https://maven.apache.org/)) | yes | [gemnasium](https://gitlab.com/gitlab-org/security-products/gemnasium) |
-| JavaScript ([npm](https://www.npmjs.com/), [yarn](https://yarnpkg.com/en/)) | yes | [gemnasium](https://gitlab.com/gitlab-org/security-products/gemnasium), [Retire.js](https://retirejs.github.io/retire.js)         |
+| JavaScript ([npm](https://www.npmjs.com/), [yarn](https://yarnpkg.com/en/)) | yes | [gemnasium](https://gitlab.com/gitlab-org/security-products/gemnasium), [Retire.js](https://retirejs.github.io/retire.js/)         |
 | 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) |

doc/user/application_security/index.md

@@ -57,7 +57,7 @@ This workflow comes with some drawbacks and there's a
 
 ## Interacting with the vulnerabilities
 
-> Introduced in [GitLab Ultimate](https://about.gitlab.com/pricing) 10.8.
+> Introduced in [GitLab Ultimate](https://about.gitlab.com/pricing/) 10.8.
 
 CAUTION: **Warning:**
 This feature is currently [Alpha](https://about.gitlab.com/handbook/product/#alpha-beta-ga) and while you can start using it, it may receive important changes in the future.
@@ -84,7 +84,7 @@ If you wish to undo this dismissal, you can click the **Undo dismiss** button.
 
 #### Adding a dismissal reason
 
-> Introduced in [GitLab Ultimate](https://about.gitlab.com/pricing) 12.0.
+> Introduced in [GitLab Ultimate](https://about.gitlab.com/pricing/) 12.0.
 
 When dismissing a vulnerability, it's often helpful to provide a reason for doing so.
 If you press the comment button next to **Dismiss vulnerability** in the modal, a text box will appear, allowing you to add a comment with your dismissal.
@@ -110,7 +110,7 @@ the vulnerability will now have an associated issue next to the name.
 
 ### Solutions for vulnerabilities (auto-remediation)
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/5656) in [GitLab Ultimate](https://about.gitlab.com/pricing) 11.7.
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/5656) in [GitLab Ultimate](https://about.gitlab.com/pricing/) 11.7.
 
 Some vulnerabilities can be fixed by applying the solution that GitLab
 automatically generates. The following scanners are supported:
@@ -134,7 +134,7 @@ generated by GitLab. To apply the fix:
 
 #### Creating a merge request from a vulnerability
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/9224) in [GitLab Ultimate](https://about.gitlab.com/pricing) 11.9.
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/9224) in [GitLab Ultimate](https://about.gitlab.com/pricing/) 11.9.
 
 In certain cases, GitLab will allow you to create a merge request that will
 automatically remediate the vulnerability. Any vulnerability that has a
@@ -148,7 +148,7 @@ Clicking on this button will create a merge request to apply the solution onto t
 
 ## Security approvals in merge requests **(ULTIMATE)**
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/9928) in [GitLab Ultimate](https://about.gitlab.com/pricing) 12.2.
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/9928) in [GitLab Ultimate](https://about.gitlab.com/pricing/) 12.2.
 
 Merge Request Approvals can be configured to require approval from a member
 of your security team when a vulnerability, or a software license compliance violation would be introduced by a merge request.

doc/user/application_security/license_compliance/index.md

@@ -60,7 +60,7 @@ The following languages and package managers are supported.
 | Elixir     | [mix](https://elixir-lang.org/getting-started/mix-otp/introduction-to-mix.html) ([experimental support](https://github.com/pivotal/LicenseFinder#experimental-project-types)) |[License Finder](https://github.com/pivotal/LicenseFinder)|
 | C++/C      | [conan](https://conan.io/) ([experimental support](https://github.com/pivotal/LicenseFinder#experimental-project-types))|[License Finder](https://github.com/pivotal/LicenseFinder)|
 | Scala      | [sbt](https://www.scala-sbt.org/) ([experimental support](https://github.com/pivotal/LicenseFinder#experimental-project-types))|[License Finder](https://github.com/pivotal/LicenseFinder)|
-| Rust       | [cargo](https://crates.io/) ([experimental support](https://github.com/pivotal/LicenseFinder#experimental-project-types))|[License Finder](https://github.com/pivotal/LicenseFinder)|
+| Rust       | [cargo](https://crates.io) ([experimental support](https://github.com/pivotal/LicenseFinder#experimental-project-types))|[License Finder](https://github.com/pivotal/LicenseFinder)|
 | PHP        | [composer](https://getcomposer.org/) ([experimental support](https://github.com/pivotal/LicenseFinder#experimental-project-types))|[License Finder](https://github.com/pivotal/LicenseFinder)|
 
 ## Requirements

doc/user/application_security/sast/index.md

@@ -67,7 +67,7 @@ The following table shows which languages, package managers and frameworks are s
 | .NET                                                                        | [Security Code Scan](https://security-code-scan.github.io)                             | 11.0                         |
 | Any                                                                         | [Gitleaks](https://github.com/zricethezav/gitleaks) and [TruffleHog](https://github.com/dxa4481/truffleHog) | 11.9 |
 | Apex (Salesforce)                                                           | [pmd](https://pmd.github.io/pmd/index.html)                                            | 12.1                         |
-| C/C++                                                                       | [Flawfinder](https://www.dwheeler.com/flawfinder/)                                     | 10.7                         |
+| C/C++                                                                       | [Flawfinder](https://dwheeler.com/flawfinder/)                                     | 10.7                         |
 | Elixir (Phoenix)                                                            | [Sobelow](https://github.com/nccgroup/sobelow)                                         | 11.10                        |
 | Go                                                                          | [Gosec](https://github.com/securego/gosec)                                             | 10.7                         |
 | Groovy ([Ant](https://ant.apache.org/), [Gradle](https://gradle.org/), [Maven](https://maven.apache.org/) and [SBT](https://www.scala-sbt.org/)) | [SpotBugs](https://spotbugs.github.io/) with the [find-sec-bugs](https://find-sec-bugs.github.io/) plugin | 11.3 (Gradle) & 11.9 (Ant, Maven, SBT) |

doc/user/application_security/security_dashboard/index.md

@@ -36,7 +36,7 @@ To use the group, project or pipeline security dashboard:
 
 ## Pipeline Security Dashboard
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/13496) in [GitLab Ultimate](https://about.gitlab.com/pricing) 12.3.
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/13496) in [GitLab Ultimate](https://about.gitlab.com/pricing/) 12.3.
 
 At the pipeline level, the Security Dashboard displays the vulnerabilities present in the branch of the project the pipeline was run against.
 
@@ -46,7 +46,7 @@ Visit the page for any pipeline which has run any of the [supported reports](#su
 
 ## Project Security Dashboard
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/6165) in [GitLab Ultimate](https://about.gitlab.com/pricing) 11.1.
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/6165) in [GitLab Ultimate](https://about.gitlab.com/pricing/) 11.1.
 
 At the project level, the Security Dashboard displays the latest security reports
 for your project. Use it to find and fix vulnerabilities affecting the
@@ -56,7 +56,7 @@ for your project. Use it to find and fix vulnerabilities affecting the
 
 ## Group Security Dashboard
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/6709) in [GitLab Ultimate](https://about.gitlab.com/pricing) 11.5.
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/6709) in [GitLab Ultimate](https://about.gitlab.com/pricing/) 11.5.
 
 The group Security Dashboard gives an overview of the vulnerabilities of all the
 projects in a group and its subgroups.