存档
在CentOS5.5 x86_64上安装了Oracle11g,版本号为:11.2.0.1.0
但是,在其它客户端上使用sqlplus连接的时候需要等待很长时间才能连接上,有时候报超时的错误。
错误信息为:
*********************************************************************** Fatal NI connect error 12537, connecting to: (LOCAL=NO) VERSION INFORMATION: TNS for Linux: Version 11.2.0.1.0 - Production Oracle Bequeath NT Protocol Adapter for Linux: Version 11.2.0.1.0 - Production TCP/IP NT Protocol Adapter for Linux: Version 11.2.0.1.0 - Production Time: 30-NOV-2011 14:28:10 Tracing not turned on. Tns error struct: ns main err code: 12537 TNS-12537: TNS:connection closed ns secondary err code: 12560 nt main err code: 0 nt secondary err code: 0 nt OS err code: 0 opiodr aborting process unknown ospid (29666) as a result of ORA-609 Wed Nov 30 14:36:24 2011
Oracle11g服务器数据库名为:lzf,全局名称为:lzf.dbainfo.net
Linux下使用date计算某个月份的天数:
Month=2 Year=2008 nextmonth=`date -d "1 month $Year-$Month-"01"" +%Y-%m-%d` date -d "-1 day $nextmonth" +%d #或者将-d "1 month $Year-$Month-"01"" 和 date -d "-1 day $nextmonth" 写在一行命令中 Month=2 Year=2008 date -d "1 month $Year-$Month-"01"" -d "-1 day" +%d
使用cal 计算某个月份的天数: