Bump default version to 3.0 (#314)

README.md

@@ -6,7 +6,7 @@ To provide quick deployment tools for kubernetes cluster and cloud native applic
 [![Release][release-image]][release-url]
 [![License][license-image]][license-url]
 
-This session has been tested on CentOS 7, Debian 10 and Ubuntu 18.04 which supported by python2.7 for now.
+This session has been tested on Rocky 8.5+, Debian 11 and Ubuntu 20.04+ which supported by python3.
 
 ## Getting Started
 Learn about Kubez Ansible by reading the documentation online [kubez-ansible](https://www.bilibili.com/video/BV1L84y1h7LE/).

docs/install/prerequisites.md

@@ -8,12 +8,12 @@
 #### 直接安装
    ```shell
    # 当有网络的时候建议直接安装(因为简单又方便)
-   curl https://raw.githubusercontent.com/gopixiu-io/kubez-ansible/stable/tiger/tools/setup_env.sh | bash
+   curl https://raw.githubusercontent.com/gopixiu-io/kubez-ansible/master/tools/setup_env.sh | bash
    ```
 #### 脚本安装
    ```text
    # 自动获取，网络通时，通过 curl 命令直接获取脚本到本地
-   curl https://raw.githubusercontent.com/gopixiu-io/kubez-ansible/stable/tiger/tools/setup_env.sh -o setup_env.sh
+   curl https://raw.githubusercontent.com/gopixiu-io/kubez-ansible/master/tools/setup_env.sh -o setup_env.sh
 
    # 手动获取，自动获取失败时使用，一般因为网络不通或者未安装 curl 命令
    # 拷贝项目的 tools/setup_env.sh, 并保存到 setup_env.sh

tools/setup_env.sh

@@ -5,7 +5,7 @@
 # This script is intended to be used for install kubernetes env.
 
 REPO=gopixiu-io
-# 选择需要安装的分支，默认 stable/tiger 分支
+# 选择需要安装的分支，默认 master 分支
 BRANCH=master
 
 TARGET=kubez-ansible-${BRANCH//\//-}