How to set up a serial console on Ubuntu

This tutorial will go over the steps to go through in order to set up a serial console on Ubuntu Linux.

Unlike most other distros, Ubuntu uses upstart instead of sysvinit and as such, there is a few differences between most of the tutorial that you might find on the internet regrading how to set up a serial console.
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如何在 Unix 体验中心服务器上创建内核交叉编译环境

Unix 体验中心(http://www.unix-center.net)是一个免费的 Unix 类系统体验和测试平台,它支持SSH和VNC两种登录方式。它的服务器性能也是不错的,用来交叉编译Linux内核对机器性能(例如我的龙芯笔记本)不是很好的用户来说是一个非常不错的选择。下面我们就来说说如何在它的服务器上建立一个内核交叉编译环境。
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