chore: add timezone config (#114)

evmos · Aug 10, 2023 · 2630bff · 2630bff
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diff --git a/docs/validate/mainnet.mdx b/docs/validate/mainnet.mdx
@@ -29,6 +29,17 @@ IDs. Note that, the displayed version might differ when an active Software Upgra
 [security](./security) recommendations!
 :::
 
+## Server Timezone Configuration
+
+Make sure your server **timezone configuration is UTC**.
+To know what is your current timezone, run the `timedatectl` command.
+
+:::danger
+🚨 **DANGER**: Having a different timezone configuration
+may cause a `LastResultsHash` mismatch error.
+This will take down your node!
+:::
+
 ## Install `evmosd`
 
 Follow the [installation](./../validate/setup-and-configuration/run-a-validator) document to

diff --git a/docs/validate/setup-and-configuration/configuration.md b/docs/validate/setup-and-configuration/configuration.md
@@ -4,6 +4,17 @@ sidebar_position: 2
 
 # Configuration
 
+## Server Timezone
+
+Make sure your server **timezone configuration is UTC**.
+To know what is your current timezone, run the `timedatectl` command.
+
+:::danger
+🚨 **DANGER**: Having a different timezone configuration
+may cause a `LastResultsHash` mismatch error.
+This will take down your node!
+:::
+
 ## Block Time
 
 The timeout-commit value in the node config defines how long we wait after committing a block,

diff --git a/docs/validate/setup-and-configuration/run-a-validator.md b/docs/validate/setup-and-configuration/run-a-validator.md
@@ -15,9 +15,16 @@ Learn how to run a validator node.
 If you plan to use a Key Management System (KMS), you should go through these steps first: [Using a KMS](./../../validate/security/tendermint-kms).
 :::
 
+:::warning
+:warning: **WARNING**: Make sure your server **timezone configuration is UTC**.
+Having a different timezone configuration may cause a `LastResultsHash` mismatch error.
+This will take down your node!
+:::
+
 ## Create Your Validator
 
-Your node consensus public key (`evmosvalconspub...`) can be used to create a new validator by staking EVMOS tokens. You can find your validator pubkey by running:
+Your node consensus public key (`evmosvalconspub...`) can be used to create a new validator by staking EVMOS tokens.
+You can find your validator pubkey by running:
 
 ```bash
 evmosd tendermint show-validator

diff --git a/docs/validate/testnet.mdx b/docs/validate/testnet.mdx
@@ -20,6 +20,17 @@ You specify the network you want to join by setting the **genesis file** and **s
 | `evmos_9000-2`   | Olympus Mons Incentivized Testnet | [Olympus Mons](https://github.com/evmos/testnets/tree/main/olympus_mons) | [`v0.3.x`](https://github.com/evmos/evmos/releases)                                    | `Stale` |
 | `evmos_9000-1`   | Arsia Mons Testnet                | [Arsia Mons](https://github.com/evmos/testnets/tree/main/arsia_mons)     | [`v0.1.x`](https://github.com/evmos/evmos/releases)                                    | `Stale` |
 
+## Server Timezone Configuration
+
+Make sure your server **timezone configuration is UTC**.
+To know what is your current timezone, run the `timedatectl` command.
+
+:::danger
+🚨 **DANGER**: Having a different timezone configuration
+may cause a `LastResultsHash` mismatch error.
+This will take down your node!
+:::
+
 ## Install `evmosd`
 
 Follow the [installation](./../protocol/evmos-cli/single-node) document to install the <ProjectValue keyword='name' /> binary <Highlighter keyword="binary" />.