```sh
firewall-cmd --get-active-zones
```

This command gets the active zone(s). Now, apply port rules to the relevant zones returned above. For example if the zone is `public`, use

```sh
firewall-cmd --zone=public --add-port=9000/tcp --permanent
```

#           «\${var#prefix}», «\${var%suffix}», and «\$( cmd )»;
#         * compound commands having a testable exit status, especially «case»;
#         * various built-in commands including «command», «set», and «ulimit».
#
#   Important for patching:
#
#   (2) This script targets any POSIX shell, so it avoids extensions provided
#       by Bash, Ksh, etc; in particular arrays are avoided.
#

# GO_LDSO: Sets the default dynamic linker/loader (ld.so) to be used
# by the internal linker.
#
# CC: Command line to run to compile C code for GOHOSTARCH.
# Default is "gcc". Also supported: "clang".
#
# CC_FOR_TARGET: Command line to run to compile C code for GOARCH.
# This is used by cgo. Default is CC.
#
# CC_FOR_${GOOS}_${GOARCH}: Command line to run to compile C code for specified ${GOOS} and ${GOARCH}.
# (for example, CC_FOR_linux_arm)

}

func (plugin *flexVolumePlugin) SupportsMountOption() bool {
	return false
}

// Mark the given commands as unsupported.
func (plugin *flexVolumePlugin) unsupported(commands ...string) {
	plugin.Lock()
	defer plugin.Unlock()
	plugin.unsupportedCommands = append(plugin.unsupportedCommands, commands...)
}

func (plugin *flexVolumePlugin) SupportsSELinuxContextMount(spec *volume.Spec) (bool, error) {

	}
	return envoyConfig, nil
}

// AuthZ groups commands used for inspecting and interacting the authorization policy.
// Note: this is still under active development and is not ready for real use.
func AuthZ(ctx cli.Context) *cobra.Command {
	cmd := &cobra.Command{
		Use:   "authz",
		Short: "Inspect Istio AuthorizationPolicy",
	}

	cmd.AddCommand(checkCmd(ctx))

	// Apply holds a list of options that are specific to the "kubeadm upgrade apply" command.
	Apply UpgradeApplyConfiguration

	// Diff holds a list of options that are specific to the "kubeadm upgrade diff" command.
	Diff UpgradeDiffConfiguration

	// Node holds a list of options that are specific to the "kubeadm upgrade node" command.
	Node UpgradeNodeConfiguration

	// +optional
	Apply UpgradeApplyConfiguration `json:"apply,omitempty"`

	// Diff holds a list of options that are specific to the "kubeadm upgrade diff" command.
	// +optional
	Diff UpgradeDiffConfiguration `json:"diff,omitempty"`

	// Node holds a list of options that are specific to the "kubeadm upgrade node" command.
	// +optional

		panic("fatal error")
	}
	Exit(1)
}

func usage(msg string) {
	if len(msg) > 0 {
		fmt.Fprintf(os.Stderr, "error: %s\n", msg)
	}
	fmt.Fprintf(os.Stderr, "usage: go tool covdata [command]\n")
	fmt.Fprintf(os.Stderr, `
Commands are:

textfmt     convert coverage data to textual format
percent     output total percentage of statements covered
pkglist     output list of package import paths

}

func groupCommand(ctx cli.Context) *cobra.Command {
	groupCmd := &cobra.Command{
		Use:     "group",
		Short:   "Commands dealing with WorkloadGroup resources",
		Example: "  istioctl x workload group create --name foo --namespace bar --labels app=foobar",
	}
	groupCmd.AddCommand(createCommand(ctx))
	return groupCmd
}

func entryCommand(ctx cli.Context) *cobra.Command {
	entryCmd := &cobra.Command{
		Use:     "entry",

// The bootstrap command runs a build from scratch,
// stopping at having installed the go_bootstrap command.
//
// WARNING: This command runs after cmd/dist is built with the Go bootstrap toolchain.
// It rebuilds and installs cmd/dist with the new toolchain, so other
// commands (like "go tool dist test" in run.bash) can rely on bug fixes