1. First, look at the relationship of centos and rhel
redhat is the largest open source software company (now acquired by IBM)
As the biggest beneficiary of open source, redhat own rhel (redhat enterprise linux) source code released, and that the release centos operating system (Community enterprise operating system) after the test is completed Community packaged compilation
Their large version small version exactly the same source code is the same difference is centos does not contain value-added services and proprietary business components redhat and so on.
2. treatment after the boot centos explain.
Centos recommended to set a fixed ip address.
Modify / etc / profile below will not say (I always remember the file name is too long, we need to Baidu)
The most simple way to modify the GUI
Tap the settings into the configuration interface
Set ip address and then close the open Click the network just fine.
3. Modify the hosts file
vim /etc/hosts
Increase on the corresponding machine name and ip
4 enter oracle user and start the listener service on it
SU - Oracle
# must be noted that the intermediate connector with
input lsnrctl
then enter the start
4. Open the database service
lsnrctl exit to exit and enter sqlplus / AS sysdba input startup to start the database.
5. If you can not enter lsnrct view the status to see if there cueing in the
6. casually looking for a machine that can connect to try it
