/init.d/iptables restartIf it doesn't work, you can use it this way.[[email protected] httpd]#/sbin/iptables-i input-p TCP--dport 80-j ACCEPT[Email protected] httpd]#/etc/rc.d/init.d/iptables Save[Email protected] httpd]#/etc/init.d/iptables restartAdd a third network card to CentOS, select only mode so that the virtual machine can be accessed betweenWhat we need to do is to enter the/etc/sysconfig/network-scripts directory and modify the ifcfg files of the two NICs.A. Modify the Ifcfg-eth0 file
One: The configuration of the virtual machine:
Install VM Virtualbox, as it is free to download on the official website: https://www.virtualbox.org/
Configuration of the virtual machine:650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/71/A6/wKioL1XWBx-z-q_WAAHfH1W3cg4187.jpg "/>The name of the virtual machine, and the type of system installed, sin
Label:Recently began to learn OpenStack, because there is no environment, so do not know how to get started, so download the OpenStack for Oracle Linux version, ready to play (with Oracle account, hehe). This reference is still a lot of information on the Oracle website, I refer to the Ronen Kofman hands-on lab:getting
We all know that the Citrix NetScaler VPX version supports many of the underlying virtualization platforms and cloud computing platforms, but only the Oracle VirtualBox platform is not supported. However, we can implement the Citrix NetScaler VPX running on Oracle VirtualBox by modifying the BIOS of the
Start genymotion problems Unable to start the virtual Device,virtualbox cannot start the virtual device
Double-click Oracle VM VirtualBox Not responding
I am win10 64, said online is not compatible with what, to download a new one is OK
For this issue, I went back to the
use. The driver is even more admirable. The two-way text copy with the host machine is even more elegant. The only drawback is that the block size is 400 mb.
(3) The VM virtualbox 4.2 provided by Oracle is smaller than MB, and the enhanced components, namely, guest additions, must be installed separately after the text copy is completed. In addition, the drive
hardware requirements:
2g RAM
4 GB hard disk space
Middle-end books bought three years ago.
The installation process is like installing a MS Office 2007.
The above is based on my own experience. First, I have not read any release notes and so on.
Download and install Oracle virtualbox
First download software to
already in the same network segment as the host IP address. At the same time, according to the official instructions of VirtualBox, the control chip automatically selects the Intel PRO/1000 MT desktop. There are multiple control chips to choose from, intel PRO/1000 MT desktop is preferred when the host version is Windows Vista or later.
At this time, after the host closes the firewall, the host and the virtual machine can ping each other,
Virtual Mac
. The driver is even more admirable. The two-way text copy with the host machine is even more elegant. The only drawback is that the block size is 400 mb.
(3) The VM VirtualBox 4.2 provided by Oracle is smaller than MB, and the enhanced components, namely, Guest Additions, must be installed separately after the text copy is completed. In addition, the driver comp
Oracle VirtualBox Problem Solving case
1. When the VM is turned on, the hard disk UUID already exists:Error message:
Cannot register the hard disk 'f: \ VirtualBox VMs \ cl-11r2-rac2 \ cl-11r2-rac2.vdi '{cc59aac5-a2e6-4f39-b441-04d1ff29acd2} because a hard disk' F: \ VirtualBox
Oracle officially released the VirtualBox 5.0.20 download, this update includes several fixes for the Linux Kernel 4.5 series, especially bug fixes when config_net_cls_act parameters are enabled, TCP supports DNS proxy To better handle port forwarding policies, and more. In addition, the host resolver in VirtualBox 5.0
1. Download the VirtualBox repo file:Login Https://www.virtualbox.org/wiki/Linux_Downloads Right-click on the repo link at the bottom of the page, or download it wget[Email protected] files]# wget Http://download.virtualbox.org/virtualbox/rpm/el/virtualbox.repoAnd put it under the path /etc/yum.repos.d .2. Check the av
There are still many steps to generate a shared disk and mount it to asm when Oracle VM builds Oracle RAC. Record it. The premise is that a linux has been installed in the VM.1. here I create five disks, cd C: \ Program Files \ Oracle \ VirtualBoxVBoxManage.exe createhd-file
Tags: VirtualBox oracle Linux 7 Oracle Linux remove OpenJDKI ' ll start coding with JEE soon. Product Environment adopts Oracle + WebLogic in Linux, technology adopts EJB3 and JPA. So I ' m going to set a development environment in my own computer with them.For IMac installing JDK, Eclipse or Maven won't is problem, bu
1. Download The oralce vm component. A foreign email address is required. For example, 7mt.org does not work in China, nor does it work in a wall. 2. If nfs is used for shared storage, you must grant full permissions. 3. During installation, we recommend using production (product-level installation ). If "Demo" is selected, it will be installed automaticallyOracle xe 11; select "Production" to install the
Install centos6.5 on the Virtual Machine oracle virtualbox
Preparation: first download the Virtual Machine oracle virtualbox, CentOS-6.5-x86_64-bin-DVD1
1: It is relatively simple to install the Virtual Machine oracle
Label:Preparation: Download the virtual machine Oracle VIRTUALBOX,CENTOS-6.5-X86_64-BIN-DVD1 First 1: Installation Virtual Machine Oracle VirtualBox, relatively simple, all the way next can, needless to say, not the ferry 2: After installing the virtual machine, click the Ne
Vmware Server can vmware-workstation-full-the virtual machine from the official website http://www.vmware.com/cn/or from the network address 10.0.1-1379776 version, as well as the official CentOS website www.centos.org download out, of course you can also choose Redhat,suse, Red Flag, Fedora,ubuntu and so on, in short, is a kernel, this stable, secure, Multi-threaded, open source and free systems that can handle multiple concurrency can be down every
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