Installation

Installing the Fission CLI
The Fission command line interface (CLI) is the most common way for developers to interact with Fission services.
macOS with Homebrew
Use the Homebrew recipe to install the CLI on macOS. This taps and installs in one command:
brew install fission-suite/fission/fission-cli
If you have any issues, check that libcrypto1.1 installed and linked on your system.
You can also follow the next section for a manual install on macOS.
Linux and Manual Installation
For Windows users, we currently recommend using Windows Subsystem for Linux 2 (WSL2). WSL1 is not supported. Run these Linux / Manual install instructions in your WSL2 environment.
Head over to our releases page on Github and download the latest release for your operating system.
Grant execute permissions and move the binary onto to your PATH. For example, on Ubuntu 20.04:
chmod a+x ./fission-cli-ubuntu-20.04
sudo mv ./fission-cli-ubuntu-20.04 /usr/local/bin/fission
Check that the CLI was installed correctly.
$ fission --help
Fission makes developing, deploying, updating, and iterating on web apps quick
and easy.
​
Usage: fission (SHORTCUT | COMMAND | --version) [-v|--verbose]
  CLI to interact with Fission services
If you have any issues, check that you have libssl1.1 (installed with OpenSSL) and libtinfo5 (or libtinfo6). Most recent Linux distributions will already have these libraries installed.
Clock Configuration
Check that your clock is accurate. Account linking depends on an accurate clock and may fail due to clock drift. 
Mismatched clocks between a host system and container or VM may also cause issues.
 Upgrading the CLI
Run fission --version to check if you are using an old version of the CLI.
To upgrade the CLI on macOS, brew uninstall and brew untap to reset brew.
brew uninstall fission-cli
brew untap fission-suite/fission
Reinstall with brew tap and brew install.
brew tap fission-suite/fission
brew install fission-cli
On Linux, repeat the installation steps listed above, leaving out the installation of the additional libraries.

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