Quickly deploy an Oracle RAC environment using an Oracle VM Template
Oracle VM templates are pre-packaged and pre-configured virtual machines. In the communication between enterprise-level customers, I often use "simple, fast, and error-free" to deploy applications using Oracle VM templates. The Oracle VM template save
From: http://archives.opennebula.org/documentation:archives:rel2.2:cong
There are two contextualization mechanic ISMs available in opennebula: the automatic ic ip assignment, and a more generic way to give any file and configuration parameters. You can use any of them individually, or both.Using Virtual Network leases within a virtual machine
With opennebula you can derive the IP address assigned to the VM from the MAC address using the mac_preffix: I
With the release of Linux 2.4, a large number of file systems are possible, including reiserfs, XFS, gfs, and other file systems. These file systems sound really cool, but what do they actually do, what do they do well in, and how can they be safely used in a Linux product environment? Daniel Robbins answers the above questions by showing you how to create these advanced file systems in a Linux 2.4 Environment. In this section, Daniel briefly introduces tmpfs, a
1)/proc/sys/vm/block_dumpThis file indicates whether block debug mode is turned on to record all read-write and dirty block writeback actions.Default setting: 0, disable block debug mode2)/proc/sys/vm/dirty_background_ratioThis file represents the percentage of dirty data that reaches the overall system memory, triggering the pdflush process to write dirty data back to disk.Default setting: 103)/proc/sys/
VMware workstation/fusion are the corresponding desktop virtualization software under Windows/linux and MacOS respectively. In the past, after installing an operating system virtual machine in VMware, it was necessary to install the VMware Tools Enhancement tool in the virtual machine to enable file sharing between host and virtual machines, virtual machine display resolution adaptive tuning, virtual machine display capability enhancement and 3D acceleration.
But with the development of the Lin
1. Enable FTP Service2. Create FTP Login User3. Create an FTP site4. Add Endpoints to Portal5. Configure the firewall to allow communication on the increased endpoint port above6. Restart the FTP service
1. Enable FTP Service
This should be simple, in the case of server R2 (this is the system for my Azure VM), open Server Manager, click Add Roles, select Components Web Server (IIS), and in role services, FTP On the server hook, click on the installa
I will give you a detailed explanation of the proc directory recently. You are welcome to translate it. If you have any questions, leave a message. Although it is in English, it is easy to understand. If you have any questions, please leave a message and we will work together for the Linux community. Our translation effect is not necessarily good, because it is done by foreigners after all !!! Giggling, translation may cause misunderstanding. Understanding this requires TCP/IP knowledge. Learnin
1)/proc/sys/vm/block_dumpThis file indicates whether block debug mode is turned on to record all read-write and dirty block writeback actions.Default setting: 0, disable block debug mode2)/proc/sys/vm/dirty_background_ratioThis file represents the percentage of dirty data that reaches the overall system memory, triggering the pdflush process to write dirty data back to disk.Default setting: 103)/proc/sys/
VMware Workstation/fusion is the desktop virtualization software for Windows/linux and MacOS, respectively. In the past, after installing an operating system virtual machine in VMware, it was necessary to install the VMware Tools Enhancement tool in the virtual machine to enable file sharing between host and virtual machines, adaptive adjustment of virtual machine display resolution, enhanced virtual machine display capability, and 3D acceleration. However, with the development of Linux kernel a
Http://archives.opennebula.org/documentation:archives:rel2.2:cong
Contextualizing virtual machines 2.2
There are two contextualization mechanic ISMs available in opennebula: the automatic ic ip assignment, and a more generic way to give any file and configuration parameters. You can use any of them individually, or both.Using Virtual Network leases within a virtual machine
With opennebula you can derive the IP address assigned to the VM from the MAC
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 Started with OpenStack on Oracle Linux and Oracle VM , the link is as follows: Http://www.oracle.com/technetwork/systems/hands-on-labs
Create an Apache VM in Gentoo
This tutorial describes additional settings for the LAMP environment, such as creating a VM on Apache, generating an SSL Certificate file and key, enabling the secure SSL protocol for HTTP transactions, and using the Apache CGI gateway, then you can run the Perl script or Bash script on your website.
Step 2: Create an Apache VM
This
Host Name-based Virtual Host-Linux Enterprise Application-Linux server application information. The following is a detailed description. Host Name-based VM
This document describes how to use a domain name-based VM.
Top
Comparison between domain name-based virtual hosts and IP-based Virtual Hosts
IP-based VM uses the connected IP address to determine the corresp
The Hotspot VM Runtime system provides services and common APIs for the hotspot JIT compiler and garbage collector, as well as basic features such as boot , thread management ,JNI (Java Local interface) for VMS. the HotSpot VM Runtime Environment assumes many responsibilities, as follows:1. Command line OptionsThe hotspot VM is configured with command-line option
Dalvik VM compilation script and source code tree
This article briefly analyzes the structure of Dalvik Virtual Machine source code (Dalvik/Vm) and the compilation script (*. mk)Compile scripts
The directory structure of Dalvik source code is not complex. The compilation script is also very simple. It consists of the following files:
Dalvik/Vm/Android. mk
Dalvik
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 official website https://www.virtualbox.org/wiki/Downloads Download the Oracle VM VirtualBox, before download install genymotion automa
connected to the actual network, for example, eth0.
The specific method is to modify the NIC configuration file under the/etc/sysconfig/network-scripts directory, such as binding etho, then modify the ifcfg-eth0 and ifcfg-virbr0
The modified configuration file is as follows:
1) ifcfg-eth0
Device = eth0Onboot = YesBridge = virbr0Bootproto = DHCPType = Ethernet
2) ifcfg-virbr0Device = virbr0Type = BridgeOnboot = YesDelay = 0Bootproto = noneIpaddr = 10.100.0.3Netmask = 255.255.255.0Gateway = 10.10
After the memory is allocated to the virtual machine, the Hyper-V host allocates the available memory resources of the system to the created virtual machine. The default memory is called static memory, that is, when you create a virtual machine, how much GB of memory is allocated to the virtual machine. The dynamic memory function provided by Windows Server 2012 Hyper-V allows the Administrator to re-adjust resources, make full use of limited memory resources to achieve better memory integration
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