UBUNTU12.04 install 1 in VBOX and update the graphics card driver of VBOX. 01 install centos V6.4 32bit in desktop mode as an example (install guest addions on it. iso, virtualbox version 4.2.6) 02 (ubuntu 12.04 32bit only requires apt-get install dkms) 031) install rpmforge source (do not install epel source temporarily !) And update V6.4 to the latest package 04yum update052) install dkms06yum install dkms073) install the Development environment and kernel source 08yum groupinstall "Development Tools" 09yum install kernel-devel104) to VBoxGuestAdditions. insert "Optical Drive" to iso, and then double-click the optical drive in centos V6.4 x64 to enable it to automatically run the installation (enter the root password on the way) VBoxGuestAdditions. the iso is located under the root directory of the VBOX. 2. Update the kernel. 011), yum method 02 03 has been updated when the rpmforge source is installed on it. 04 052), apt-get, you can execute the command or update it in the center of the software change line. You don't know where the software center is. 06 07 but one thing is that the software center can update the kernel and cannot update the kernel by using commands. 08 09 sudo apt-get update list 10 sudo apt-get upgrade update install software after kernel update remember to reinstall the driver, because once the kernel changes, the driver will become invalid, execute step 4 of step 1. 3. In order to use FTP and other things, SSH must be enabled. 11) but it seems that SSH is installed by default in yum, which can be ignored. 2 32) apt-get has not been installed. You need to install it on your own. I configured all of them yesterday, that is, Putty cannot be connected. It turns out that this is not configured. 4 5 sudo apt-get install ssh4. Programming Aspect 1 actually varies from person to person, and there are also a variety of tools, like using Git, use the apt-get install git command for installation. 2 3, but of course, the most used is the decompression command. 4 5tar-xvf **** .tar.gz. 6mv ***/opt