coffeebeer的学习笔记

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北京时间2月29日晚间，微软在巴塞罗那举行发布会，正式公开Windows8消费者预览版。

以下为Windows8消费者预览版不同版本官方下载地址（注：消费者预览版为测试版，并非最终正式版，仅供试用）：

64位英文版下载地址：http://iso.esd.microsoft.com/WCPDL/BD1B8A49393E30CC9C4E5C88457D73E964F1F3B18/Windows8-ConsumerPreview-64bit-English.iso

32位英文版下载地址：http://iso.esd.microsoft.com/WCPDL/BD1B8A49393E30CC9C4E5C88457D73E964F1F3B18/Windows8-ConsumerPreview-32bit-English.iso

安装序列号:+DNJXJ-7XBW8-2378T-X22TX-BKG7J

64位简体中文版下载地址：http://iso.esd.microsoft.com/WCPDL/BD1B8A49393E30CC9C4E5C88457D73E964F1F3B18/Windows8-ConsumerPreview-64bit-ChineseSimplified.iso

32位简体中文版下载地址：http://iso.esd.microsoft.com/WCPDL/BD1B8A49393E30CC9C4E5C88457D73E964F1F3B18/Windows8-ConsumerPreview-32bit-ChineseSimplified.iso

安装序列号:+DNJXJ-7XBW8-2378T-X22TX-BKG7J

64位法语版下载地址：http://iso.esd.micr

Windows 8消费者预览版（Consumer Preview）Build 8250已经发布，这一版本已经是比较成熟的版本，安装体验的朋友相信一定不少，下面就给大家提供一些相关应用小技巧，希望可以让大家体验Windows 8各项功能的时候更为方便一些。

1、锁屏
启动之后，用户将首先看到Windows 8的锁屏界面，每当系统启动、恢复或登录的时候，锁屏就会出现。如果您使用的是触摸屏设备，那么用手指一扫然后输入密码就可以登录系统。如果不是触摸屏设备，那么就用鼠标点击之后就能够登录系统。

2、Metro主屏

如果你想连接你的mysql的时候发生这个错误：
ERROR+1130:+Host+'210.13.92.66'+is+not+allowed+to+connect+to+this+MySQL+server
请按照如下方法解决:

login+as:+root+///登陆系统
root@tqwm.cn's+password:+///输入密码
Last+login:+Tue+Apr+15+14:06:54+2008+from+210.13.92.66
[root@myserver+~]#+/usr/local/mysql/bin/mysql+-uroot+-hlocalhost+-p+///登入mysql
Enter+password:+///输入mysql对应用户的密码
Welcome+to+the+MySQL+monitor.+Commands+end+with+;+or+\g.
Your+MySQL+connection+id+is+431
Server+version:+5.0.58-enterprise-gpl-log+Source

Type+'help;'+or+'\h'+for+help.+Type+'\c'+to+clear+the+buffer.+///登入成功的提示信息

mysql>+GRANT+ALL+PRIVILEGES+ON+*.*+TO+'root'@'%'+IDENTIFIED+BY+'rootpasswd'+WITH+GRANT+OPTION;+///输入这段指令并回车后允许所有用root用户并且输入rootpasswd密码的主机登入该mysql+Server+如果将'%'换成'10.1.1.1'那么只有10.1.1.1的主机可以登陆.
Query+OK,+0+rows+affected+(0.07+sec)

By+default+remote+access+to+MySQL+database+server+is+disabled+for+security+reasons.+However,+some+time+you+need+to+provide+remote+access+to+database+server+from+home+or+a+web+server.+If+you+want+to+remotely+access+to+the+database+server+from+the+web+server+or+home,+follow+this+quick+tutorial.

MySQL+Remote+Access

You+need+type+the+following+commands+which+will+allow+remote+connections.

Step+#+1:+Login+Using+SSH+(if+server+is+outside+your+data+center)

First,+login+over+ssh+to+remote+MySQL+database+server:

ssh+user@mysql.nixcraft.i
Step+#+2:+Edit+my.cnf+File

Once+connected+you+need+to+edit+the+MySQL+server+configuration+file+my.cnf+using+a+text+editor+such+as+vi.

If+you+are+using+Debian+Linux+file+is+located+at+/etc/mysql/my.cnf+location
If+you+are+using+Red+Hat+Linux/Fedora/Centos+Linux+file+is+located+at+/etc/my.cnf+location
If+you+are+using+FreeBSD+you+need+to+create+a+fil

ubuntu的文件夹加密那个速度。。。+非常无语

• 
  
• Logoff+the+system. +No+occurrences+of+your+user+account+should+be+active.
• 
  
• Login+as+root+or+a+different+sudo+enabled+account.
• 
  
• Make+sure+that+your+account’s+home+directory+is+not+mounted,+using+the+‘df‘+command. +If+it+is+still+in+place,+use umount+/home/username to+un-mount+the+encrypted+filesystem.
• 
  
• Change+the+line+“/home/username”+to+“/home/username/Private”+in+the/home/.ecryptfs/username/.ecryptfs/Private.mnt file+using+your+favorite+text+editor.
• 
  
• mkdir+/home/username/Private
• 
  
• chown+username.username+Private
• 
  

 achin@achin-desktop:~$+dpkg+--get-selections|grep+linux

 libselinux1 +  +  + +install

 linux-generic +  +  + +install

 linux-headers-2.6.27-2 +  +   install

 linux-headers-2.6.27-2-generic +  + install

 linux-headers-2.6.27-3 +  +   install

 linux-headers-2.6.27-3-generic +  + install

 linux-headers-2.6.27-4 +  +   install

 linux-headers-2.6.27-4-generic +  + install

 linux-headers-2.6.27-5 +  +   install

 linux-headers-2.6.27-5-generic +  + install

 linux-headers-2.6.27-7 +  +   install

 linux-headers-2.6.27-7-generic +  + install

 linux-headers-generic +  +   install

 linux-image-2.6.24-19-generic +  + deinstall

 linux-image-2.6.24-21-generic +  + deinstall

 linux-image-2.6.27-2-generic +  + install

 linux-image-2.6.27-3-generic +  + install

 linux-image-2.6.27-4-generic +  + install

 linux-image-2.6.27-5-generic +  + install

 linux-image-2.6.27-7-generic +  + install

 linux

编辑crontab

 crontab+-e 

任务末尾添加/dev/null+2>&1

 0+*+*+*+*+script_name+>+/dev/null+2>&1 

/dev/null+2>&1的详解见：http://blog.163.com/lgh_2002/blog/static/44017526201032961749911/

查看原文：http://ltek.dyndns.org/wordpress/?p=346