Diagram of CentOS5.4 Installation Process

Diagram of CentOS5.4 Installation Process
Www.2cto.com 1: virtual machine configuration: network connection select Bridge Mode 2: Start to install CentOS5.4 www.2cto.com
Go to the CentOS installation page and press Enter. Note: If the actual machine memory is 512 or lower, you will be prompted that the memory is not enough to support graphical interface installation. Generally, it is best to install 2 GB memory or higher for playing technology: after entering the Enter key, you will go to the optical drive check page: if you have an optical drive, you will still choose OK. If you do not have an optical drive, then Skip (because we have installed it in a virtual machine, we will directly access the Skip)
4. NEXT www.2cto.com www.2cto.com
5. Enter the system language selection and keyboard configuration interface (configure the system language and keyboard language as needed)

6. Select "create a custom partition structure" for the partition configuration. (If you are installing CentOS for the first time, follow the steps in my step.) www.2cto.com
1. swap: the size of the swap area is twice the size of your memory (within 1 GB), the size of the 2-4 GB memory swap area is equal to that of the memory, and the 8Gswap is 0.75 times the memory.

2./: the root partition is generally 5-8 GB on the Virtual Machine (you can also increase the value by dividing it according to your actual needs)
3. boot zone, usually default
4. tmp temporary zone: 400 mb is required for oracle Installation, so you can divide it into 500 mb (I usually divide it into 1 GB)


5. opt zone: I define it as a software installation zone. You can also change opt to usr or another one. This zone is mainly used to install oracle, add all the remaining controls to this zone.
7. You can use the default value for this part. If this part is installed on a virtual machine, the default value is 8. network settings: if you use DHCP, you don't need to worry about it. (generally, oracle can be installed on the DHCP network, but it will be prompted during the installation condition check. Therefore, you don't need to worry about it, I suggest you manually configure the IP address.) Click Edit to manually enter the IP address and set the host name.
9. Set the time zone. The system clock is canceled using UTC.
10. Set a root password, that is, the administrator password.
11. Customize the functions required for CentOS installation. This lab installs oracle11G on CentOS, So we choose what we need. If you do not select other functions, select "customize now" and then click "Next ".
1. GNOME desktop and KDE Desktop Environments
2. Application Selection: Office/productivity, image-based Internet, text-based Internet, and function science. Other options are not available (you can also choose other options. I chose quick installation, save time)
3. Development: select a development tool.
4. SERVER: Select DNS name server, windows file server, World Wide Web server, print support, and Server Configuration tool.
5. Basic System: Select management tools and X Window System. 6. Click next after the selection. 7. Click Next at www.2cto.com 8. Start installation. 9. The installation is complete, reboot 10. Customize CentOS to go to next step 11, disable firewall 12, disable SELinux 13, go to next step 14, and adjust the time, no matter whether you go to next step 15 or create a user, you can create a non-administrator user or do not create a user. choose not to create a user here. Go to Step 16. Disable entering the user name root, enter the specified password, and press Enter.
17. The CentOS system has been successfully installed.