# Automatically Update Settings To Recommended Values

+ Settings that can be repaired automatically
  + `SELinux`
  + firewalls
  + `IRQbalance`
  + kernel parameter
  + Operating system limits
  + `THP`

```14
$ tiup cluster check --apply <topology.yml | cluster-name> 
```

------------------------------------------------------------

Cluster check checks for multiple problems by default, and tries to automatically fix the above checks by adding the —apply parameter

```
$ tiup cluster check --apply <topology.yml | cluster-name> 
```