# Vagrant
### 主講人：黃夙賢
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## Vagrant
- 2010年由HashiCorp公司創立，使用命令列腳本方式構建虛擬機器
- 採用Ruby編寫
- 主要使用VirtualBox提供虛擬化系統
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## 安裝vagrant
- vagrant[下載連結](https://developer.hashicorp.com/vagrant/downloads)
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- 安裝完成後，重新開機
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## 利用Vagrant建立虛擬機
- 開啟powershell
 
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## 安裝環境初始設定
- cd ~ (進入家目錄)
- mkdir docker_test (建立docker_test虛擬機目錄)
- cd docker_test
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## 安裝相關外掛
- vagrant plugin install vagrant-vbguest(安裝外掛)
- vagrant plugin list (檢視外掛)
- vagrant plugin update (更新外掛)
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- vagrant init ubuntu/focal64 (初始化focal64版本之ubuntu)
- ls (LS，查看初始檔Vagrantfile是否建立)
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## 更新虛擬機映像檔
- vagrant box update
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## Vagrant file
- Vagrantfile是建立Linux系統的腳本(Script)設定檔案，由ruby語法所撰寫
- \#開頭代表註釋
- notepad Vagrantfile (編輯Vagrantfile)
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## 編輯port 對應
- 把虛擬機的80port對到本機的8080
- 存檔後離開
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## 啟動虛擬機
- vagrant up
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## 等待安裝完畢
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## 開啟防火牆
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## 檢查新增之虛擬機
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## 登入ubuntu
- vagrant ssh
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## 更新系統與套件
- sudo apt update
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## 升級系統與相關套件
- sudo apt upgrade -y
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## 同時建立兩台linux
- cd ~
- mkdir two_servers
- cd two_servers
- vagarnt init ubuntu/focal64
- notepad Vagrantfile
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- (Vagrantfile內容)
```
Vagrant.configure("2") do |config|
config.vm.define "master" do |master|
master.vm.box = "ubuntu/focal64"
master.vm.network "private_network", ip: "192.168.2.2"
master.vm.provider "virtualbox" do |vb|
vb.memory = "2048"
end
end
config.vm.define "node1" do |node1|
node1.vm.box = "ubuntu/focal64"
node1.vm.network "private_network", ip: "192.168.2.3"
node1.vm.provider "virtualbox" do |vb|
vb.memory = "2048"
end
end
end
```
- vagrant up
- vagrant ssh master (或者node1)
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