Update high-availability.md (#9198)

fix bad  command line
This commit is contained in:
Stewart-YU
2018-06-25 21:30:02 +08:00
committed by k8s-ci-robot
parent 6eda6dbc4c
commit 909c550e8d
@@ -213,7 +213,8 @@ Please select one of the tabs to see installation instructions for the respectiv
{{% tab name="systemd" %}}
1. First, install etcd binaries:
```bash
ETCD_VERSION="v3.1.12" curl -sSL https://github.com/coreos/etcd/releases/download/${ETCD_VERSION}/etcd-${ETCD_VERSION}-linux-amd64.tar.gz | tar -xzv --strip-components=1 -C /usr/local/bin/
export ETCD_VERSION="v3.1.12"
curl -sSL https://github.com/coreos/etcd/releases/download/${ETCD_VERSION}/etcd-${ETCD_VERSION}-linux-amd64.tar.gz | tar -xzv --strip-components=1 -C /usr/local/bin/
```
It is worth noting that etcd v3.1.12 is the preferred version for Kubernetes v1.10. For other versions of Kubernetes please consult [the changelog](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG.md).