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Monthly Archives: June 2008
Linux系统下硬盘挂载法(ZZ)
1.手工挂载 在Linux中也可以读取Windows分区,包括fat32格式的和ntfs格式的。首先你得知道Linux下对硬盘分区的称呼。比如Windows下的C盘通常是hda1,D 盘是hda5,E 盘是hda6,等等。详细情形请看相关文档。 要挂载Windows分区,首先得确定你所用的Linux系统的locale (这个locale包括了系统使用的语言和字符的编码等信息)。中文Linux常用的locale 是zh_CN.gb2312,zh_CN.gbk,zh_CN.gb18030和 zh_CN.UTF-8。 在默认安装中,Debian Linux和MandrivaLinux的lo-cale是 zh_CN.gb2312,而Ubuntu Linux和Fedora Linux 的locale 是zh_CN.UTF-8。最好不要随便更改locale,否则会出现很多乱码的情形。要查看系统的locale,可以在终端下输入下面的命令查看: echo$LANG其次,你得知道你的win-dows分区的格式,这个在win-dows的分区的属性中可以看到,一般是fat32和ntfs格式的。 假设你的locale 是zh_CN.UTF-8,要挂载一个/dev/hda1的fat32格式的win-dows分区到/mnt/C目录(若这个目录不存在手工新建一个),可以在终端下输入以下命令(在Ubuntu里还需要在这行命令前加上sudo): mount-t vfat /dev/hda1/mnt/C-oiocharset=utf8 如果你的locale 不是zh_CN.UTF-8,把上面命令的utf8改为gb2312;如果这个windows分区是ntfs格式的,将上面命令的vfat改为ntfs。 这样挂载的ntfs格式的分区,只有root能读取,如果需要让普通用户也能读取,需要再加上umask=022选项,如下: mount-t ntfs /dev/hda1/mnt/C-oiocharset=utf8,umask=022 类似地,如果要让挂载的分区允许所有用户读取和修改,可以将上面的umask=022,改为umask=0就可以了。 卸载分区就简单多了: umount /dev/hda1有时候卸载分区时提示分区繁忙(device is busy),可以先用下面的命令看看哪个进程在使用此分区: fuser-cu /dev/hda1假如屏幕的输出为/dev/hda1:8463m(cck)则可以用此命令看这个进程对应的程序名字: ps8463然后可以用此命令结束此进程: kill-98463这样就可以正常卸载分区了。 2.自动挂载 要让Linux系统启动时自动挂载windows分区,可以把上述的命令写入/etc/fstab文件中,例如: #/etc/fstab:static file … Continue reading
Posted in 计算机与 Internet
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Add a system call in linux
Adding a system call in Linux A system call is the standard way an OS service is exported to a user program. For example, to provide users a new semaphore-like synchronization method, some system calls need to be provided … Continue reading
Posted in Kernel Programming
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Compile linux kernel
1. Get kernel source code. http://www.kernel.org mkdir /usr/src/linux-2.6.xx cp linux-2.6.xx.tar.bz2 /usr/src/ cd /usr/src/ bunzip2 linux-2.6.xx.tar.bz2 | tar xvf cd /usr/src/linux-2.6.xx 2. Compile kernel code #make mrproper make menuconfig or make xconfig or make config #make dep #make clean make #make … Continue reading
Posted in 计算机与 Internet
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Don’t know how to say.
While it has been nearly a month since I came to Detroit. I think I used to the city of king of criminals. Basically that words has nothing correlated to my life because I am just like a college students … Continue reading
Posted in 寻梦
3 Comments