Installing Knative Functions

HomebrewExecutable binaryGoContainer image

To install func using Homebrew, run the following commands:

brew install func

If you have already installed the kn CLI by using Homebrew, the func CLI is automatically recognized as a plugin to kn, and can be referenced as kn func or func interchangeably.

Note

Use brew upgrade instead if you are upgrading from a previous version.

You can install by downloading the executable binary for your system and placing it in the system path.

Download the binary for your system from the .
```
mv <path-to-binary-file> func
```
```
chmod +x func
```
Where <path-to-binary-file> is the path to the binary file you downloaded in the previous step, for example, func_darwin_amd64 or func_linux_amd64.
Move the executable binary file to a directory on your PATH by running the command:
Verify that the CLI is working by running the command:
Check out the func client repository and navigate to the func directory:
```
git clone https://github.com/knative/func.git func
```
```
cd func/
```
Build an executable binary:
```
make
```
Move func into your system path, and verify that commands are working properly. For example:
```
func version
```

Run func from a container image. For example:

Note

Running func from a container image does not place the binary on a permanent path. This procedure must be repeated each time you want to use func.

Installing the `kn func` CLI plugin

kn plugin

You can install Knative Functions as a kn CLI plugin, by downloading the executable binary for your system and placing it in the system path.

Download the binary for your system from the .
Rename the binary to kn-func, and make it executable by running the following commands:
```
mv <path-to-binary-file> kn-func
```
```
chmod +x kn-func
```
Where <path-to-binary-file> is the path to the binary file you downloaded in the previous step, for example, func_darwin_amd64 or func_linux_amd64.
```
mv kn-func /usr/local/bin
```
Verify that the CLI is working by running the command:

Installing Knative Functions

Installing Knative Functions

Installing the kn func CLI plugin

Installing the `kn func` CLI plugin