linux根文件系统与initrd
1 根文件系统
简单来说,(根文件系统)就是系统第一个mount的文件系统
Filesystem Handling
Like every traditional Unix system, Linux makes use of a system 's root filesystem : it is the filesystem that is directly mounted by the kernel during the booting phase and that holds the system initialization scripts and the most essential system program.
Other filesystems can be mounted either by the initialization scripts or directly by the users on directories of already mounted filesystems. Being a tree of directories every filesystem has its own root directory. The directory on which a filesystem is mounted is called the mount point. A mounted filesystem is a child of the mounted filesystem to which the mount point directory belongs. For instance, the /proc virtual f
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1. HCI层协议概述:
HCI提供一套统一的方法来访问Bluetooth底层。如图所示:
从图上可以看出,Host Controller Interface(HCI) 就是用来沟通Host和Module。Host通常就是PC, Module则是以各种物理连接形式(USB,serial,pc-card等)连接到PC上的bluetooth Dongle。
在Host这一端:application,SDP,L2cap等协议 ......
点击菜单“虚拟机”--Install VMware Tools
在red hat桌面右击konsole
输入命令:cd/media
ls
要先双击VMware Tools再输入命令直到出现VMware Toolsi
再输入命令:cd VM*
&nb ......
前段时间为了解决一个从128M升级到256M的DDR问题,搞的是焦头烂额。最后在别人讨论的情况下终于试出来了正确结果,下来还得自己总结下。
自己的硬件平台才采用的是6410的DMC1即32位的DRAM控制器,两个16位128M的DDR的地址线是共在一起连在6410的16根地址线 ......
1.下载Tomcat
在下面的地址下载Tomcat的二进制版
http://mirrors.ccs.neu.edu/Apache/dist/jakarta/tomcat-4/binaries/
即下载文件
tomcat-4.1.18.tar.gz
2. 安装
首先解压缩
gunzip tomcat-4.1.18.tar.gz
tar -zxvf to ......