why does gns3 need a vm?
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The GNS3 VM feature simply makes it much easier, eliminates the complexity of having to install a VM, configuring the network and integrating this VM with GNS3 as a remote machine.
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This is typically because you don't have VT-x or AMD-V enabled in your BIOS. Or worse yet, your CPU doesn't support virtualization. You can test further by installing cpu-checker.
504194
['Set the VM to use the NAT networking (Network → Adapter 1 → Attached to: NAT).', 'Set the VM to boot from network (System → Motherboard → Boot Order).']
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It is statically linked against libstdc++ and libgcc, no other lib is used. It is a cpu and memory intensive non-parallel process (a mesh edition operation, lots of news and deletes and queries to data structures involved). The problem is not start-up time, the whole process is painfully slow.
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['Install VM using this manual.', 'Configure VM: Open VM Settings -> Network -> Advanced -> Port forwarding. Add VM port forwarding for ports: 4501(async), 4507(scapy-server)', 'Update trex: Start VM and connect via ssh: ssh -p 3022 trex@127.0.0.1 (password: trex)']
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Because in para virtualization guest OSes run in isolation. Para virtualized AMIs have been well known to support only Linux. A guest OS ensures that it is in a virtualised state. Answer is False.
979774
The g in npm install -g is a flag signifying that you want to install that particular npm module system wide (globally). Without the g option, the module would be installed locally inside the current directory called node_modules -try it!
1390945
['Log into the vCenter Server using vSphere Client.', 'Click to select the host.', 'Click the Configuration tab.', 'Click Networking under Hardware.', 'Click Add Networking.', 'Select VMkernel and click Next.']
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['vMotion traffic.', 'Fault tolerance (FT) logging.', 'Management traffic.', 'vSphere replication traffic.', 'iSCSI traffic.', 'NFS traffic.']
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Simply put, VMware develops virtualization software. Virtualization software creates an abstraction layer over computer hardware that allows the hardware elements of a single computer— processors, memory, storage, and more— to be divided into multiple virtual computers, commonly called virtual machines (VMs).
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VxRail is a VMware-centric solution. VxRail storage services are provided by VMware vSAN. ... However, vSAN requires ESXi, which is not bundled with the appliance. Nutanix Acropolis pre- installs its own AHV hypervisor and supports other hypervisors, including ESXi and Hyper-V.
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The three elements to consider when selecting virtualization hardware include the CPU, memory, and network I/O capacity. They're all critical for workload consolidation.
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GCP VMs boot up very fast, much faster than AWS, this makes scaling out especially responsive. Pricing is much easier to understand and you can customize the amount of CPU and RAM you want, this is very handy!. GCP allows almost all instance types to attach GPUs.
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Do you need Intel VT-x or AMD-V based CPU to run Virtual Machines? The answer is both Yes and No. Intel VT-x or AMD-V capable processors have inbuilt set of processor instruction that can handle virtualization effectively. To be able to use these instruction, they need to be enabled in BIOS.
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VMware NSX is the VMware SDN network virtualization and security platform that emerged from VMware after they acquired Nicira in 2012. This acquisition launched VMware into the software-defined networking (SDN) and network functions virtualization (NFV) world.
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VT-x is not available (VERR_VMX_NO_VMX). Now my searches have told me that this is most commonly due to either virtualization not being enabled in BIOS, or Hyper-V running and not allowing VirtualBox access to VMX. I have checked my machine's BIOS and confirmed that virtualization is enabled.
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Where VMWare is generally more expensive is when you need additional features, like central management, backup APIs, clustering, storage migration, etc. Most of that is included with all versions of Hyper-V, and most of it requires additional (costly) licensing from VMWare.