<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[weixinmjk的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/weixinmjk</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; weixinmjk]]></copyright><item><title><![CDATA[Linux 文件/目录 权限]]></title><link>https://blog.youkuaiyun.com/weixinmjk/article/details/4400551</link><guid>https://blog.youkuaiyun.com/weixinmjk/article/details/4400551</guid><author>weixinmjk</author><pubDate>Sat, 01 Aug 2009 21:54:00 +0800</pubDate><description><![CDATA[新建 文件/目录，默认情况下的权限情况是   文件 所有人有 rw权限   即 rw-rw-rw   目录 所有人有 rwx权限, 即 rwxrwxrwx 系统会根据 umask 的值，在文件/目录的默认权限进行削弱.   umask查看当前系统的设定值. Ubuntu上默认是 0022          后三个数字分别对应 user, group,]]></description><category></category></item><item><title><![CDATA[Linux Group Password]]></title><link>https://blog.youkuaiyun.com/weixinmjk/article/details/4400484</link><guid>https://blog.youkuaiyun.com/weixinmjk/article/details/4400484</guid><author>weixinmjk</author><pubDate>Sat, 01 Aug 2009 21:11:00 +0800</pubDate><description><![CDATA[/etc/group 中包含group name, id, passwd 信息/etc/gshadow 包含加密的group passwd信息 Q:User的Passwd是用来认证一个用户的身份(允许登录)，那Group的Passwd是用来作什么的呢？A:是用来授权把用户临时归属到一个group的。 PS:Q:文件系统里每个 文件/文件夹 都属于 user:group ]]></description><category></category></item><item><title><![CDATA[账户文件 /etc/passwd]]></title><link>https://blog.youkuaiyun.com/weixinmjk/article/details/4400436</link><guid>https://blog.youkuaiyun.com/weixinmjk/article/details/4400436</guid><author>weixinmjk</author><pubDate>Sat, 01 Aug 2009 20:38:00 +0800</pubDate><description><![CDATA[/etc/passwd 各字段的含义man 5 passwd·   login name                   ·   optional encrypted password            ;如果是x,则对应的密码必须存在于/etc/shadow；否则认为账户无效                                   ]]></description><category></category></item><item><title><![CDATA[Linux服务账号]]></title><link>https://blog.youkuaiyun.com/weixinmjk/article/details/4400391</link><guid>https://blog.youkuaiyun.com/weixinmjk/article/details/4400391</guid><author>weixinmjk</author><pubDate>Sat, 01 Aug 2009 20:08:00 +0800</pubDate><description><![CDATA[  在安装了 MySQL 和 OpenLdap 后会分别有以下账号被自动添加:mysql:x:113:125:MySQL Server,,,:/var/lib/mysql:/bin/falseopenldap:x:118:135:OpenLDAP Server Account,,,:/var/lib/ldap:/bin/false安装程序为什么要添加这些账号呢？(提高系]]></description><category></category></item><item><title><![CDATA[C++ IO操作与字符编码]]></title><link>https://blog.youkuaiyun.com/weixinmjk/article/details/2678468</link><guid>https://blog.youkuaiyun.com/weixinmjk/article/details/2678468</guid><author>weixinmjk</author><pubDate>Sat, 19 Jul 2008 19:29:00 +0800</pubDate><description><![CDATA[对数据源进行读取操作的时候，程序判断代码环境的 locale状况. 从而把文件内容从某种locale的编码转化到 unicode.  #include "stdafx.h"#include #include #include int _tmain(int argc, _TCHAR* argv[]){	using namespace std;	wstring ]]></description><category></category></item></channel></rss>