Redhat 7.5 + ORACLE12CR2 Installation Deployment

Day of the day's physical activity, at this point in the evening can sit down to knock on the keyboard, very comfortable.

The Oracle 12c was recently researched and there was no Oracle 12c environment on hand. Think of the first installation of Oracle's distress situation, some things are still recorded will be better, afraid to forget later. Installation is actually not a simple job, especially when encountering problems, how to solve problems, It is a test of a person's breadth of knowledge. There are many things that are not understood during installation, such as Oracle's environment variables,

1. Installation Wizard

The first option is to install a new system

The second option is to test the installation media correctness, if the physical optical drive, this step is necessary, because it is very likely that the CD is bad, this pit I have stepped on the

If the ISO file, check the MD5 SHA256 SHA1 value, these values in the download link will have

Calculate check values under Windows

# certutil-hashfile H:\pg\rhel-server-7.4-x86_64-dvd.iso sha256/md5/sha1

The third option is a wizard that solves the problem

2. Select the language that is displayed during the installation process, of course Chinese

3. Other settings, time zone, installation language and keyboard layout, installation source is the local shutdown, choose to install with GUI interface, actually want to experience some graphical interface,

Partition using LVM automatic partition, about the partition this piece, has been specially studied before, have time to write a writing experience

Prohibit kdump (this test environment is not available, so that the system does not produce a large number of files)

can also be installed with minimal

4. Can assign root password, as well as advanced user and set ID GID (starting from 1000)

5. Configure the NIC

In two ways, the virtual machine network uses NAT mode, primarily to communicate with the extranet and other virtual machines

1.

Redhat 7.5 + ORACLE12CR2 Installation Deployment