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crc oc-env

Setup

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crc setup

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Config

Configure

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Configure

Set configuration:

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crc config set cpus 68
crc config getset cpusmemory   24000

crc config set memorydisk-size 16000120
crc config get memory

crc config set disk-size 120
crc config get disk-size
host-network-access true


Verify configuration:Changes made while the cluster is running will require a restart before the changes are applied. 

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crc stop
crc start

For a full list of configuration parameters issue the following command:

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crc config

 config view
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- consent-telemetry
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Modifies crc configuration properties.
Properties: 

* bundle                : no
- cpus             Bundle path/URI - absolute or local path, http, https or docker URI (string, like 'https://foo.com/crc_vfkit_4.16.7_arm64.crcbundle', 'docker://quay.io/myorg/crc_vfkit_4.16.7_arm64.crcbundle:2.41.0' default '/Users/john/.crc/cache/crc_vfkit_4.16.7_arm64.crcbundle' )
* consent-telemetry             : 8
- disk-size                           Consent to collection of anonymous usage data (yes/no)
* cpus: 120
- host-network-access                   :      true
- memory        Number of CPU cores (must be greater than or equal to '4')
* disable-update-check            : 24000


For a full list of configuration parameters issue the following command:

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crc config
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Modifies crc  Disable update check (true/false, default: false)
* disk-sizeconfiguration properties.
Properties: 

* bundle                            Total size in GiBBundle ofpath/URI the disk (must be greater than or equal to '31')
* enable-bundle-quay-fallback          If bundle download from the default location fails, fallback to quay.io (true/false, default: false)
* enable-cluster-monitoring- absolute or local path, http, https or docker URI (string, like 'https://foo.com/crc_vfkit_4.16.7_arm64.crcbundle', 'docker://quay.io/myorg/crc_vfkit_4.16.7_arm64.crcbundle:2.41.0' default '/Users/john/.crc/cache/crc_vfkit_4.16.7_arm64.crcbundle' )
* consent-telemetry             Enable cluster monitoring Operator (true/false, default: false)
* enable-emergency-login         Consent to collection of anonymous usage data (yes/no)
* cpus       Enable emergency login for 'core' user. Password is randomly generated. (true/false, default: false)
* enable-experimental-features         Enable experimental features (true/false, default: false)
* enable-shared-dirs          Number of CPU cores (must be greater than or equal to '4')
* disable-update-check          Mounts host's home directory at '/' in theDisable CRCupdate VMcheck (true/false, default: truefalse)
* host-network-accessdisk-size                      Allow TCP/IP connections from the CRC VMTotal tosize servicesin runningGiB onof the hostdisk (true/false, default: falsemust be greater than or equal to '31')
* http-proxyenable-bundle-quay-fallback          If bundle download from the default location fails, fallback to        HTTP proxy URL (string, like 'http://my-proxy.com:8443'quay.io (true/false, default: false)
* httpsenable-cluster-proxymonitoring            Enable cluster monitoring            HTTPS proxy URL (string, like 'https://my-proxy.com:8443'Operator (true/false, default: false)
* ingressenable-httpemergency-portlogin               Enable emergency login for 'core' HTTPuser. portPassword tois userandomly for OpenShift ingress/routes on the host (1024-65535generated. (true/false, default: 80false)
* ingressenable-httpsexperimental-portfeatures         Enable experimental features (true/false, default: false)
* enable-shared-dirs    HTTPS port to use for OpenShift ingress/routes on the host (1024-65535, default: 443)
* kubeadmin-password  Mounts host's home directory at '/' in the CRC VM (true/false, default: true)
* host-network-access    User defined kubeadmin password
* memory          Allow TCP/IP connections from the CRC VM to services running on the          Memory size in MiB (must be greater than or equal to '10752'host (true/false, default: false)
* nameserverhttp-proxy                           IPv4HTTP addressproxy ofURL nameserver ((string, like '1.1.1.1 or 8.8.8.8http://my-proxy.com:8443')
* nohttps-proxy                          HTTPS proxy URL Hosts(string, ipv4 addresses or CIDR which do not use a proxy (string, comma-separated list such as '127.0.0.1,192.168.100.1/24')
* persistent-volume-sizelike 'https://my-proxy.com:8443')
* ingress-http-port                    HTTP port to use for OpenShift ingress/routes on Totalthe size in GiB of the persistent volume used by the CSI driver for microshift preset (must be greater than or equal to '15')
* preset             host (1024-65535, default: 80)
* ingress-https-port                   HTTPS port to use for OpenShift ingress/routes on the host (1024-65535, default: 443)
* kubeadmin-password                  Virtual machineUser presetdefined (valid values are: [openshift okd microshift])
* proxy-ca-filekubeadmin password
* memory                            Path to an HTTPSMemory proxysize certificatein authorityMiB (CA)
* pull-secret-file       must be greater than or equal to '10752')
* nameserver              Path of image pull secret (download from https://console.redhat.com/openshift/create/local)
* skip-check-admin-helper-cached     IPv4 address Skipof preflight checknameserver (true/falsestring, default: false like '1.1.1.1 or 8.8.8.8')
* skip-check-bundle-extractedno-proxy            Skip preflight check (true/false, default: false)
* skip-check-crc-symlink           Hosts, ipv4 addresses or SkipCIDR preflightwhich check (true/false, default: false)
* skip-check-daemon-launchd-plist      Skip preflight check (true/false, default: false)
* skip-check-m1-cpudo not use a proxy (string, comma-separated list such as '127.0.0.1,192.168.100.1/24')
* persistent-volume-size               Total size in GiB of Skipthe preflightpersistent check (true/false, default: false)
* skip-check-mac-version               Skip preflight check (true/false, default: false)
* skip-check-old-autostartvolume used by the CSI driver for microshift preset (must be greater than or equal to '15')
* preset                     Skip preflight check (true/false, default: false)
* skip-check-podman-in-ocbindir    Virtual machine preset (valid Skipvalues preflightare: check (true/false, default: false[openshift okd microshift])
* skipproxy-checkca-ramfile                       Skip preflightPath check (true/false, default: falseto an HTTPS proxy certificate authority (CA)
* skippull-checksecret-resolver-file-permissions Skip preflight check (true/false, default: false)
* skip-check-root-user               Path of Skipimage preflightpull checksecret (true/false, default: falsedownload from https://console.redhat.com/openshift/create/local)
* skip-check-ssh-port           admin-helper-cached       Skip preflight check (true/false, default: false)
* skip-check-supported-cpu-archbundle-extracted          Skip preflight check (true/false, default: false)
* skip-check-vfkit-installedcrc-symlink               Skip preflight check (true/false, default: false)

Starting the Cluster

Once downloaded and extracted, run:

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crc start

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Grab the pull secrets form the UI by clicking the Copy pull secret link.

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Past the pull secret to the terminal

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Login

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oc login -u kubeadmin https://api.crc.testing:6443

Web Console

https://console-openshift-console.apps-crc.testing

CRC


* skip-check-daemon-launchd-plist      Skip preflight check (true/false, default: false)
* skip-check-m1-cpu                    Skip preflight check (true/false, default: false)
* skip-check-mac-version               Skip preflight check (true/false, default: false)
* skip-check-old-autostart             Skip preflight check (true/false, default: false)
* skip-check-podman-in-ocbindir        Skip preflight check (true/false, default: false)
* skip-check-ram                       Skip preflight check (true/false, default: false)
* skip-check-resolver-file-permissions Skip preflight check (true/false, default: false)
* skip-check-root-user                 Skip preflight check (true/false, default: false)
* skip-check-ssh-port                  Skip preflight check (true/false, default: false)
* skip-check-supported-cpu-arch        Skip preflight check (true/false, default: false)
* skip-check-vfkit-installed           Skip preflight check (true/false, default: false)


Changes made while the cluster is running will require a restart before the changes are applied. 

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crc stop
crc start


Some changes will require a cleanup and re-setup.

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crc cleanup
crc setup



Setup

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crc setup

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Starting the Cluster

Once downloaded and extracted, run:

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crc start

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Grab the pull secrets form the UI by clicking the Copy pull secret link.

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Past the pull secret to the terminal

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Login

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oc login -u kubeadmin https://api.crc.testing:6443


Web Console

Open the console using crc or by going to https://console-openshift-console.apps-crc.testing

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crc console


CRC

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CRC is a tool that manages a local OpenShift 4.x cluster optimized for testing and development purposes

Usage:
  crc [flags]
  crc [command]

Available Commands:
  bundle      Manage CRC bundles
  cleanup     Undo config changes
  completion  Generate the autocompletion script for the specified shell
  config      Modify crc configuration
  console     Open the OpenShift Web Console in the default browser
  delete      Delete the instance
  help        Help about any command
  ip          Get IP address of the running OpenShift cluster
  oc-env      Add the 'oc' executable to PATH
  podman-env  Setup podman environment
  setup       Set up prerequisites for using CRC
  start       Start the instance
  status      Display status of the OpenShift cluster
  stop        Stop the instance
  version     Print version information

Flags:
  -h, --help               help for crc
      --log-level string   log level (e.g. "debug | info | warn | error") (default "info")


Helpful Commands


CRC Status

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crc status
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CRC VM:          Running
OpenShift:       Running (v4.16.7)
RAM Usage:       7.89GB of 16.34GB
Disk Usage:      31.53GB of 128.2GB (Inside the CRC VM)
Cache Usage:     38.67GB
Cache Directory: /Users/john/.crc/cache


CRC Configuration

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crc config view
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- consent-telemetry                     : no
- cpus                                  : 8
- disk-size
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CRC is a tool that manages a local OpenShift 4.x cluster optimized for testing and development purposes

Usage:
  crc [flags]
  crc [command]

Available Commands:
  bundle      Manage CRC bundles
  cleanup     Undo config changes
  completion  Generate the autocompletion script for the specified shell
  config      Modify crc configuration
  console     Open the OpenShift Web Console in the default browser
  delete      Delete the instance
  help        Help about any command
  ip          Get IP address of the running OpenShift cluster
  oc-env      Add the 'oc' executable to PATH
  podman-env  Setup podman environment
  setup       Set up prerequisites for using CRC
  start       Start the instance
  status      Display status of the OpenShift cluster
  stop        Stop the instance
  version     Print version information

Flags:
  -h, --help               help for crc
      --log-level string   log level (e.g. "debug | info | warn | error") (default "info")

Helpful Commands

CRC Status

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crc status
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CRC VM:: 120
- host-network-access                   Running
OpenShift: true
- memory     Running (v4.16.7)
RAM Usage:       7.89GB of 16.34GB
Disk Usage:      31.53GB of 128.2GB (Inside the CRC VM)
Cache Usage:     38.67GB
Cache Directory: /Users/john/.crc/cache24000


CRC Version

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crc version
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CRC version: 2.4133.0+e6495fc43b17
OpenShift version: 4.1614.712
MicroShiftPodman version: 4.164.74


Delete the Cluster

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crc delete

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