### 开机启动

#### 复制程序到 /opt 目录下

```
cp /root/works/console_app/console_app /opt/app
```

#### 创建启动脚本

* 切换目录, 并创建文件

```
cd /opt
vim run.sh
```

* run.sh 文件内容

```
#! /bin/bash

cd /opt/
./app
```

#### 创建服务

* 切换目录, 并创建文件

```
vim /etc/systemd/system/app.service
```

* app.service 文件内容

```
[Unit]
Description=app server

[Service]
Type=simple
ExecStart=/opt/run.sh
Restart=on-failure
RestartSec=5s

[Install]
WantedBy=multi-user.target
```

#### 重新加载 Systemd

```
systemctl daemon-reload
```

#### 启动服务

```
systemctl start app.service
```

#### 开机启动

```
systemctl enable app.service
```