OS & Oracle

DNS on Linux is not so difficult as I thought before. When an program, such as wget, ping, met an domain name, it will query the DNS server to retrieve the IP for this host, and then use this IP to setup the network communication. All these staff have been done in the library. So, [...]

There are quite a few errors which you perphase meet when you begin to use EM in Windows. Such as: "Agent process exited abnormally during initialization" in system event log, "java.lang.Exception: Exception in sending Request :: null" in OEM Database Control Database Instance home page [...]