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Update the flags and variables doc

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Signed-off-by: Manuel Buil <mbuil@suse.com>
This commit is contained in:
Manuel Buil
2021-12-08 16:24:38 +01:00
parent 16bdbc7c6e
commit e12d2e7224
1 changed files with 21 additions and 6 deletions
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content/k3s/latest/en/installation/install-options/how-to-flags/_index.md
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@@ -27,9 +27,24 @@ If this command is not specified as a server or agent command, it will default t
The final systemd command resolves to a combination of this environment variable and script args. To illustrate this, the following commands result in the same behavior of registering a server without flannel:
```bash
curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC="--no-flannel" sh -s -
curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC="server --no-flannel" sh -s -
curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC="server" sh -s - --no-flannel
curl -sfL https://get.k3s.io | sh -s - server --no-flannel
curl -sfL https://get.k3s.io | sh -s - --no-flannel
```
curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC="--flannel-backend none" sh -s -
curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC="server --flannel-backend none" sh -s -
curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC="server" sh -s - --flannel-backend none
curl -sfL https://get.k3s.io | sh -s - server --flannel-backend none
curl -sfL https://get.k3s.io | sh -s - --flannel-backend none
```
### Example C: CONFIG FILE
Before installing k3s, you can create a file called `config.yaml` containing fields that match CLI flags. That file needs to be in the path: `/etc/rancher/k3s/config.yaml` for k3s to consume it.
The fields in the config file drop the starting `--` from the matching CLI flag. For example:
```
write-kubeconfig-mode: 644
token: "secret"
node-ip: 10.0.10.22,2a05:d012:c6f:4655:d73c:c825:a184:1b75
cluster-cidr: 10.42.0.0/16,2001:cafe:42:0::/56
service-cidr: 10.43.0.0/16,2001:cafe:42:1::/112
disable-network-policy: true
```