```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) {

	// 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

// 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

support lazy module loading.)

The -compat flag preserves any additional checksums needed for the
'go' command from the indicated major Go release to successfully load
the module graph, and causes tidy to error out if that version of the
'go' command would load any imported package from a different module
version. By default, tidy acts as if the -compat flag were set to the

		return ""
	}
}

// IsWriteCmd returns true for all command types that do write actions (and thus need a lock)
func (v IptablesVersion) IsWriteCmd(cmd constants.IptablesCmd) bool {
	switch cmd {
	case constants.IPTables:
		return true
	case constants.IPTablesRestore:
		return true
	default:
		return false
	}
}

// Constants for iptables commands