Category Archives: XenServer 6

Generate new Esx certificate

Note: The below process works only for esx version till 4.X. Not for 5 and 5.X Changing your host’s network name and SSL certificate When you first install ESXi your host will be given a hostname of “localhost” and domain … Continue reading

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Blade server/pc and Rack server Differences

Blade PC/Server: Series of servers added to a chasis and inserted it in a rack in datacenter. Here in the front view, the green rectangles are single servers. In a single case we can add multiple servers. Small green rectangles … Continue reading

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Install RHEL 7 in XenServer

When installing RHEL 7 in xenserver, most of us might use the RHEL 6(64 bit) template. When creating vm with RHEL6 template, you need to add a word “vnc” at selecting the iso file step. Once the vm is up, … Continue reading

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Distributed Virtual Switch Controller DVSC

DVSC is logical centralized switch that allows you to manage the network logical switches that are on different XenServer hosts within ur enviornment from centralized location. Distributed Virtual Switching Features: True Network Portability Network fault tolerance Improved network security Transparent … Continue reading

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OSI Model – 7 Layers Explained

The OSI, or Open System Interconnection, model defines a networking framework for implementing protocols in seven layers. Control is passed from one layer to the next, starting at the application layer in one station, proceeding to the bottom layer, over … Continue reading

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Hub, Switch & Router

Hubs, switches, routers, and access points are all used to connect computers together on a network, but each of them has different capabilities. Hubs Hubs enable computers on a network to communicate. Each computer plugs into the hub with an … Continue reading

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Dynamic Memory Control (DMC)

XenServer DMC (sometimes known as “dynamic memory optimization”, “memory overcommit” or “memory ballooning”) works by automatically adjusting the memory of running VMs, keeping the amount of memory allocated to each VM between specified minimum and maximum memory values, guaranteeing performance … Continue reading

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