Fortunately, in most cases, Linux applications use the syslog utilityto export all their errors and status messages to files located in the/var/log directory.

• 如果你曾经需要深入了解一下网络状态、系统或应用软件的话，这里有个办法可以让你获得所有可能需要的工具，而不用安装哪怕一点点软件。