发布时间：2013-04-23 17:37:56
SSH服务（TCP端口号22）：安全的命令解释器为客户机提供安全的Shell 环境，用于远程管理SSH基于公钥加密（非对称加密）技术： 数据加密传输； 客户端和服务器的身份验证；公钥 和 私钥 是成对生成的，这两个密钥互不相同，两个密钥可以互相加密和解密； .........【阅读全文】
发布时间：2013-04-23 17:20:10
In 10g, parallel execution in RAC instances is controlled with two initialization parameters: INSTANCE_GROUPS and PARALLEL_INSTANCE_GROUP. Both must be used together in 10g.INSTANCE_GROUPS can have multiple values but it is static; PARALLEL_INSTANCE_GROUP can be modified dynamically at the s.........【阅读全文】
发布时间：2013-04-23 17:14:19
ssh -X now says "Warning: untrusted X11 forwarding setup failed: xauth key data not generated"Technical details: ssh tried to run xauth generate to create a untrusted cookie for the session, which failed because the server isn't compiled with the XCSECURITY extension built-in.X11Forwarding does.........【阅读全文】
发布时间：2013-04-09 11:01:47
点击(此处)折叠或打开1. Enabling now.SQL> ALTER SYSTEM SET EVENTS '10442 trace name context forever, level 10';2. Disabling now.SQL> ALTER SYSTEM SET EVENTS '10442 trace name context off';.........【阅读全文】
