linux下生成core dump文件方法及设置 from:http://www.cppblog.com/kongque/archive/2011/03/07/141262.html core dump的概念: A core dump is the recorded state of the working memory of a computer program at a specific time, generally when the program has terminated a…
Linux下修改root密码方法 以root身份登陆,执行: passwd 用户名 然后根据提示,输入新密码,再次输入新密码,系统会提示成功修改密码. 具体示例如下: [root@www ~]# passwd root Changing password for user root. New UNIX password: BAD PASSWORD: it is based on a dictionary word Retype new UNIX password: passwd: all aut…