# 修改主机名

```bash
# 查看当前主机名
hostname
hostnamectl

# 修改配置文件, /etc/hostname文件保存主机名, /etc/hosts文件为网络主机名
sudo vim /etc/hostname
```

# 查看系统版本

```bash
# 简要
cat /etc/issue

# 具体
cat /etc/lsb-release

# 内核
uname -a

# 长具体
cat /proc/version

# 具体
cat /etc/os-release

# 简单
lsb_release -d
```


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