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 but not the video, so I search the man page of mplayer and find this:...... Read more
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:...... Read more
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 MAC address in Linux before (see this). In that article, I introduced how to change the MAC address temporarily using ifconfig and permanently editing the network configure file in Red Hat/CentOS/Fedora or Debian/ubuntu. But I found no ifconfig available in my new Arch Linux (I must had missed some essential package that contains ifconfig during the installation.). So I have to find another method, and fortunately, there is an “Arch Way”....... Read more
In this post we talk about how to install Puppy Linux to portable hard drive from Linux, with GRUB as the Boot Loader....... Read more
本文我们讨论如何在Linux下为移动硬盘安装Puppy Linux，并使用GRUB作为Puppy Linux的Boot Loader。...... Read more
Compared to the traditional password authentication, it’s more convenient and more secure to setup public key authentication over SSH. Using this technique, we can perform an automatic login without entering any password. This is usually very useful when we want to call ssh within a shell script. In this article we show how to setup SSH public key authentication between two Linux hosts....... Read more
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