ubuntu实验
实验：ubuntu配置需求： caterpillar公司管理员小李需要将公司系统由windows全部更换为ubuntu，并制定SOP（操作指导书）
环境：vmware workstation 14. Ubuntu kylin 13.10
要求：1. 安装ubuntu系统
[*]快速配置ubuntu系统
[*]配置IP，能够连接互联网，并能同同网段主机通信。
[*]更改系统根口令“ubuntu”
[*]编辑letc/resolv.conf文件，添加“ravesecr 202.106.020”
[*]使用命令查看系统基本命令
[*]tty3执行延迟30分钟关机命令，并发送提醒通知，tty4收到后，tty3取消该命令。
[*]安装vm tools
[*]练习目录和文件基本命令
[*]获取帮助信息。
配置步骤：
[*]安装ubuntu系统
选择镜像文件，光盘引导启动
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进行安装
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设置用户名和密码
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安装完毕，登录系统
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[*]快速配置ubuntu系统
设置时间，背景，分辨率
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[*]配置IP，能够连接互联网，并能同同网段主机通信。
设置地址
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查看网络，测试地址
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这里上网用redhad做验证，方法都差不多
选择连接模式
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编辑虚拟机上网设置
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编辑相应配配置文件配置地址；网关；DNS
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重启网络设备
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查看宿主机地址已自动配置
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宿主机ping通百度，获得解析地址
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虚拟机ping通百度，上网配置成功
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[*]更改系统根口令“ubuntu”
首先输入用户密码验证用户，再将root密码改为ubuntu, 并验证登录root
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[*]编辑letc/resolv.conf文件，添加“ravesecr 202.106.0.20”
输入命令拷贝文件到桌面，编辑文件
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或者是使用vi编辑器直接编辑
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Root下输入命令覆盖文件，打开目录查看文件已修改
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[*]使用命令查看系统基本命令
查看内核版本，cup信息
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查看内存
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查看主机名
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[*]tty3执行延迟30分钟关机命令，并发送提醒通知，tty4收到后，tty3取消该命令。
添加账户
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使用tty3登录，输入30分钟关机命令
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使用tty4登录，已经收到30分钟关机提示，使用root登录，取消关机命令
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Tty3收到提示
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验证关机命令，关机命令生效
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[*]安装vm tools
先点击VM光驱，再解压安装包
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安装VM tools，重启过后即可生效
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[*]练习目录和文件基本命令
Cd命令和pwd命令
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Ls命令
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Du命令
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创建目录
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使用touch命令创建空目录
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重定向命令
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创建链接
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打开链接，验证成功
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使用mv命令
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使用删除命令
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使用查找命令
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[*]获取帮助信息。
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使用man手册，导出文件到桌面，文件带锁是因为使用了root权限
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