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Play only audio of movies with mplayer 16 Sep 2012 | 04:54 pm
I have a piece of very good music in an MP4 video file and I’d like to listen over and over to it. With mplayer, I can single cycle this file with option -loop 0. Moreover, I want just play the audio ...
Play only audio of movies with mplayer 16 Sep 2012 | 04:54 pm
I have a piece of very good music in an MP4 video file and I’d like to listen over and over to it. With mplayer, I can single cycle this file with option -loop 0. Moreover, I want just play the audio ...
How to scp a file with colon in its name 5 Feb 2012 | 10:20 pm
We know that scp is a command for secure copy. It copies file between hosts on a network. Normally, we follow the below two examples to copy a file from/to localhost to/from a remote machine: These c...
How to scp a file with colon in its name 5 Feb 2012 | 01:20 pm
We know that scp is a command for secure copy. It copies file between hosts on a network. Normally, we follow the below two examples to copy a file from/to localhost to/from a remote machine: These co...
Install CentOS via network without CD-ROM and without USB 26 Dec 2011 | 05:03 am
There is an extremely old machine in our lab and today I want to use it as a node in our Hadoop cluster. There was a Fedora 8 on it. But I’d like to change it to a new CentOS 5.7. The problem I met, w...
无光驱、无USB，网络安装CentOS 26 Dec 2011 | 05:02 am
实验室有台非常老的机器，今天被我翻出来打算当作我们Hadoop集群中的一个节点。这台机器上原有一个Fedora 8可以用，不过我还是想给它安装一个全新的CentOS 5.7。不过有个问题，就是这台机器太老了，光驱和USB接口竟然全都坏掉了。 看起来问题似乎很棘手，不过最后还是找到了一个办法，不借助光驱或者U盘等任何一种外部设备，通过网络将新的CentOS安装到这台机器上。也许你会疑惑，网络安装不...
Install CentOS via network without CD-ROM and without USB 25 Dec 2011 | 08:03 pm
There is an extremely old machine in our lab and today I want to use it as a node in our Hadoop cluster. There was a Fedora 8 on it. But I’d like to change it to a new CentOS 5.7. The problem I met, w...
无光驱、无USB，网络安装CentOS 25 Dec 2011 | 08:02 pm
实验室有台非常老的机器，今天被我翻出来打算当作我们Hadoop集群中的一个节点。这台机器上原有一个Fedora 8可以用，不过我还是想给它安装一个全新的CentOS 5.7。不过有个问题，就是这台机器太老了，光驱和USB接口竟然全都坏掉了。 看起来问题似乎很棘手，不过最后还是找到了一个办法，不借助光驱或者U盘等任何一种外部设备，通过网络将新的CentOS安装到这台机器上。也许你会疑惑，网络安装不也...
Spoofing MAC address in Archlinux 19 Oct 2011 | 11:51 am
The first issue I met, after I logged in to my newly installed Arch Linux, is that I have to change the MAC address to gain access to our campus network. I wrote a short essay about how to change the ...
Archlinux中伪装MAC地址 19 Oct 2011 | 11:51 am
装好Archlinux以后，我遇到的第一个麻烦就是如何修改MAC地址来接入校园网。之前我写过一篇短文，里面介绍Linux下如何修改MAC地址(在这里)。那篇文章介绍了如何使用ifconfig程序临时修改MAC地址，以及在Red Hat/CentOS/Fedora或Debian/ubuntu中如何修改网络配置文件来修改MAC地址。但是我发现我新装的Archlinux没有ifconfig程序(我安装系...
