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tiup: give a more clear recommendation about SELinux #20068

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tiup: give a more clear recommendation about SELinux #20068

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6 changes: 5 additions & 1 deletion check-before-deployment.md
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Expand Up @@ -788,4 +788,8 @@

## Disable SELinux

Use the [getenforce(8)](https://linux.die.net/man/8/getenforce) utility to check if SELinux is disabled or set to permissive. SELinux in enforcing mode can cause deployment failures. For instructions on disabling SELinux, refer to your operating system's documentation.
Check whether SELinux is enabled. To check the current status use the [getenforce(8)](https://linux.die.net/man/8/getenforce) utility. It is required to disable SELinux or have it in Permissive mode.

On some systems (e.g. Ubuntu) the `/etc/selinux/config` file might not exist and the `getenforce` command might not be installed, in that case you can skip this step.

Check failure on line 793 in check-before-deployment.md

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GitHub Actions / vale 

[vale] reported by reviewdog 🐶
[PingCAP.Latin] Use 'for example' instead of 'e.g.'.

Raw Output:
{"message": "[PingCAP.Latin] Use 'for example' instead of 'e.g.'.", "location": {"path": "check-before-deployment.md", "range": {"start": {"line": 793, "column": 18}}}, "severity": "ERROR"}

If SELinux is not disabled, change the line in `/etc/selinux/config` that starts with `SELINUX=` to have it say `SELINUX=disabled`. After changing this line you need to reboot the system as SELinux doesn't allow you to change the mode from Enforcing or Permissive to Disabled without a reboot.
6 changes: 5 additions & 1 deletion tiup/tiup-component-cluster-check.md
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Expand Up @@ -66,7 +66,11 @@

### SELinux

Check whether SELinux is enabled. It is required to disable SELinux.
Check whether SELinux is enabled. To check the current status use the [getenforce(8)](https://linux.die.net/man/8/getenforce) utility. It is required to disable SELinux or have it in Permissive mode.

On some systems (e.g. Ubuntu) the `/etc/selinux/config` file might not exist and the `getenforce` command might not be installed, in that case you can skip this step.

Check failure on line 71 in tiup/tiup-component-cluster-check.md

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GitHub Actions / vale 

[vale] reported by reviewdog 🐶
[PingCAP.Latin] Use 'for example' instead of 'e.g.'.

Raw Output:
{"message": "[PingCAP.Latin] Use 'for example' instead of 'e.g.'.", "location": {"path": "tiup/tiup-component-cluster-check.md", "range": {"start": {"line": 71, "column": 18}}}, "severity": "ERROR"}

If SELinux is not disabled, change the line in `/etc/selinux/config` that starts with `SELINUX=` to have it say `SELINUX=disabled`. After changing this line you need to reboot the system as SELinux doesn't allow you to change the mode from Enforcing or Permissive to Disabled without a reboot.

### Firewall

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