适合的才是好的

Posted by boypoo on June 28th, 2009

天津印象

Posted by boypoo on June 18th, 2009
  1. 自从女儿出生,就没有出差了。

终于要出差了,本身也有点紧张,就怕飞机突然失事,哈哈……

早早的,女儿拍打小床,把我弄醒了,起床,带她到小区玩了一个小时,回到家刚好可以吃早饭。回到家小家伙就睡了。等我要出门的时候,本想偷偷的跟她再见的,哈哈,却发现她早已醒了,安静的躺在床上,看着我笑呢…

2.从淞虹路地铁下来,十分钟到了虹桥,10点。安检很快,看来H1N1并非那么严重。

上了飞机,翻看手中的《21世纪商业评论》,厦门专题,写的有些啰嗦。

都超过10分钟了,飞机还没起飞的迹象,我居然很困,入睡。

醒来,12点钟,很奇怪,飞机怎么还没起飞呢?

咦,怎么空姐在推餐车过来了?往窗外看,没有别的飞机,也看不到地上,哦,可能在空中呢
3.飞机确实晚点了,1点半才到滨海机场。

上了出租车,司机说,不知道地点,不愿意走。

旁边的保安说,你往前开开,想起的话呢就走,想不起的话就停下来。

过了路口,司机就抱怨说,你这不坑我嘛,我在这等了4个多小时,就拉你这短途。

本来十块钱的车程,硬被这司机拉到46块,不过总算找到目的地。 因为目的地就紧靠着候机楼不远的地方

4.5点钟了,干完活。在客户的带领下,来到南市食品街。

类似于昆明的祥云街吧。

吃饭的餐馆名字忘记了,吃完销售连连说不值。

饭后,大雨倾盆。

5.9点多,开始找宾馆,

四平西道的汉庭实在不好。不知是天津的原因还是汉庭的原因。

不过,还是可以上网。

AIX上如何设置用户密码是且仅8位?

Posted by boypoo on June 18th, 2009

注:其实这是一篇没有技术含量甚至可以说是没信息含量的博文,滥竽充数。

我们都知道,aix可以设置超过8位的密码,但是多余8位的密码在默认情况下是无效的(除非是你的版本是AIX5.3TL7 or later ,这样的话,你可以启用LPA—-Loadable Password Algorithm,可以让你的密码长度是72位,甚至是255位,具体最长是多长,那得取决于你的算法。如果真设置为256位的话,那该是件多么残酷的事……)    因此,很多客户的root密码就是root,或者root123之类的,至少我在很多客户生产系统用诸如此类的密码成功登陆过

但是,在一个用户现场,发现了一个“有趣”的事情:用户发现,自己的系统密码必须设置为8位,但是呢,超过8位的话,超过8位的部分系统并不加以验证。这是怎么实现的呢?

  1. 修改/etc/security/login.cfg文件

    • minlen = 8
  2. 修改/etc/security/users

    • 加入常见字列表:
      dictionlist = /usr/share/dict/words
    • minlen = 8

这样,就不管是root还是普通用户,只要你smitty mkuser,自动就将最小密码字符长度设置为8,并且常见单词不许作为密码了。

如果想让最小长度为8位,最大长度超过8位的话,就必须启用LPA了。

权限问题导致ocr备份文件系统空间满

Posted by boypoo on June 16th, 2009

babyblue在chmod 777,有这么好用吗 这篇文章中说了为什么777有时候不管用,这篇应该说的是oracle属组也不是那么灵的了

Read the rest of this entry »

ora-257 using flashback recovery with asm

Posted by boypoo on June 14th, 2009

刚处理完备库的bug,客户申告主库用不了了。登陆不了,幸好是周末,且客户所在行业关系,呵呵,不然这压力可更大一些哦。

Read the rest of this entry »

又遇bug 5496862

Posted by boypoo on June 13th, 2009

可以说,这个bug是相当的出名了.

本周近乎都12点以后才睡,本想今晚早点睡的。呵呵,电话来了(众多故事中的一个,可以像曰福一样看众生皆菩萨了),说是一个运行了2年的库,在DSG新版本使用后,做全同步就会把系统搞趴下,直接的宕机了。

Read the rest of this entry »

多事的六月

Posted by boypoo on June 13th, 2009

广州、南京、上海…

crs_stat IOT/Abort

Posted by admin on June 12th, 2009

环境:AIX5305CSP+HACMP53+OracleRAC10.2.0.3(with same CRS versions)

当重启RAC后,运行crs_stat -t 报错,crsd.log有类似于如下输出:

[ CRSCOMM][10283]32CLSC Fatal Accept Error.
[ CRSD][10283][PANIC]32Exception caught at cppStart
[ CRSD][10283][PANIC]32CLSC Fatal Communications failu
re

在note454780.1里给出了解决方案。 Read the rest of this entry »

chmod 777,有这么好用吗

Posted by babyblue on June 10th, 2009

2009-6-10  10:43:58  Lee  BABY BLUE  数据库不能登录,按道理在prestat用户下面直接可以sqlplus wisgrpt/wisgrpt登录的啊

2009-6-10  10:46:27  BABY BLUE  Lee  prestat和oracle用户的属组一致吗

2009-6-10  10:46:47  Lee  BABY BLUE  不完全一致啊

2009-6-10  10:47:12  Lee  BABY BLUE  但是oracle那边的几个文件都是777的呢

2009-6-10  10:47:27  BABY BLUE  Lee  倒 很有可能就是你的777出了问题 Read the rest of this entry »

I am babyblue

Posted by babyblue on June 8th, 2009

在《为什么不走hash join》一文中提到”我不是CBO也不是boypoo”,我就是文作者baby blue。大家在阅读这个blog的时候可以注意”posted by”。

特别感谢boypoo提供账号让我有机会在这里留下一点技术积累的文字,督促我的成长。

btw:baby有淡雅的意思,所以baby blue翻译为淡淡的蓝、淡淡的忧郁。有人叫我蓝色宝宝,让我不知所措。

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