update CentOS 7 related description (#2633)

pingcap · Oct 15, 2024 · 34255cf · 34255cf
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diff --git a/en/deploy-on-gcp-gke.md b/en/deploy-on-gcp-gke.md
@@ -235,8 +235,6 @@ The LoadBalancer created for your TiDB cluster is an intranet LoadBalancer. You
 ```shell
 gcloud compute instances create bastion \
     --machine-type=n1-standard-4 \
-    --image-project=centos-cloud \
-    --image-family=centos-7 \
     --zone=${your-region}-a
 ```
 

diff --git a/en/prerequisites.md b/en/prerequisites.md
@@ -13,7 +13,6 @@ This document introduces the hardware and software prerequisites for deploying a
 | Software Name | Version |
 | :--- | :--- |
 | Kubernetes | v1.24+ |
-| CentOS | 7.6 and kernel 3.10.0-957 or later |
 | Helm | v3.0.0+ |
 
 ## Configure the firewall
@@ -159,7 +158,7 @@ sysctl --system
 
 ## Docker service
 
-It is recommended to install Docker CE 18.09.6 or later versions. See [Install Docker](https://docs.docker.com/engine/install/centos/) for details.
+It is recommended to install Docker CE 18.09.6 or later versions. See [Install Docker](https://docs.docker.com/engine/install/) for details.
 
 After the installation, take the following steps:
 

diff --git a/zh/deploy-on-gcp-gke.md b/zh/deploy-on-gcp-gke.md
@@ -226,8 +226,6 @@ tidb-tikv-2                       1/1     Running   0          47h
 ```shell
 gcloud compute instances create bastion \
     --machine-type=n1-standard-4 \
-    --image-project=centos-cloud \
-    --image-family=centos-7 \
     --zone=${your-region}-a
 ```
 

diff --git a/zh/prerequisites.md b/zh/prerequisites.md
@@ -13,7 +13,6 @@ aliases: ['/docs-cn/tidb-in-kubernetes/dev/prerequisites/']
 | 软件名称 | 版本 |
 | :--- | :--- |
 | Kubernetes | v1.24+ |
-| CentOS | CentOS 7.6，内核要求为 3.10.0-957 或之后版本 |
 | Helm | v3.0.0+ |
 
 ## 配置防火墙
@@ -161,7 +160,7 @@ sysctl --system
 
 ## Docker 服务
 
-安装 Docker 时，建议选择 Docker CE 18.09.6 及以上版本。请参考 [Docker 安装指南](https://docs.docker.com/engine/install/centos/) 进行安装。
+安装 Docker 时，建议选择 Docker CE 18.09.6 及以上版本。请参考 [Docker 安装指南](https://docs.docker.com/engine/install/)进行安装。
 
 安装完 Docker 服务以后，执行以下步骤：