Why Do You Taste Blood In My Mouth When Running?

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Whenever I go running, I always taste blood in my mouth. I decided to look this up and found that you can get the taste of blood in your mouth if:

  • You have a weak heart
  • You have a nose bleed

Because I was a little concerned, I decided to do some research on why I get the taste of blood in my mouth when I run and found that its actually caused by something called Pulmonary Edema or Pulmonary Oedema if you’re English. Pulmonary Edema is basically backed up blood flow that ends up in the lungs, which ends up being coughed up when you do exercise – which is why you get the taste of blood in your mouth after running.

Pulmonary Edema is caused by the failure of the Left Ventrical failing to pump enough blood to keep up with your body’s increased cardio requirements caused by running, which is what leads up to the excess fluid that ends up in your lungs and tastes of blood.

How To Stop the Taste of Blood in my Mouth after Running

Because the taste of blood in your mouth after running is caused by your heart not being able to pump enough to keep up with your exercise, to stop the taste of blood you need to increase the amount of blood your heart can pump. You can do this by doing more cardio exercise (such as running), giving your heart a workout so it grows bigger and can pump more blood.

Other Theories

There are some other theories going around the internet that you taste blood in your mouth after running because you’re putting pressure on your lungs which causes your blood vessels to break. People have suggested taking vitamin C to help heal the broken blood vessels, however I have heard rebuttal to this theory stating that if you had broken blood vessels in your lungs when running, you would have serious health risks. Therefore I’m disinclined to believe this theory.

Another theory someone proposed was that it is caused by Asthma. Personally, I doubt that a person who otherwise doesn’t suffer from Asthma, would get Asthma when running to the point where they were coughing up blood.

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How To Get A List Of Banklink Transaction Codes

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Can’t remember your BankLink codes to code your transactions against? You can get a list of transaction codes in BankLink by pressing F2 when you have the page open to code. Alternatively you can press Ctrl+L.

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How To Map An RDM To Multiple VMs

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Sometimes you need to map an RDM to multiple VMs in VMware, if you are creating a cluster for example. You will probably find that when you go to map the RDM to each VM after the first, the option to select RDM is greyed out. This is because you can’t map an RDM to multiple VMs. To get around this and map an RDM to multiple VMs:

  1. Add a new disk to the first VM you want to add an RDM to (Right click the VM -> Edit Settings… -> Add… -> Hard Disk -> Next -> Raw Device Mappings, etc…)
  2. Next, add a hard disk to the other VMs that you want to map the RDM to, except this time, specify that you want to add an existing disk, navigating to the vmdk file that will be created on the datastore containing the RDM that you mapped in step 1

Clustering Windows Servers in VMware

If you are mapping an RDM to multiple VMs for the purpose of creating a cluster in Windows, make sure to add the RDM to a new SCSI controller (other than the one used for the OS disks) and to map each RDM to a new SCSI ID on the other controller. Note that you also need to use a compatible SCSI controller (that’s identical across the multiple VMs in your cluster) ;)

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How To Create A Print Server Cluster In Windows 2008 – Step By Step Guide

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This article shows you how to create a print server cluster in Microsoft Windows 2008 as a step by step guide. To create a print server cluster, you must have Windows 2008 Enterprise or Datacenter (Print server clusters are not supported in Windows 2008 Web or Standard Editions and all servers in the print cluster should be the same bus type and patch level, i.e. both 64 bit and SP1). Before creating a print cluster, you must first create a Windows Cluster.

Requirements for creating a Windows 2008 Cluster

To create a Windows 2008 cluster, you need at least 2 Windows 2008 servers with a shared storage location (split into two LUNs). This storage should be presented as two basic NTFS disks (as opossed to dynamic disks) and should typically be a SAN or NAS location, typically fiber or iSCSI attached storage. The SAN will take care of the quorum disk redundancy reduirements, but it’s usually a good idea to use multiple NICs in a team for extra redundancy ;)

Note that if you use fibre channel controllers, these should be identical, as should the network adapters if you are using iSCSI. Generally speaking, the hardware on each server in the print cluster you are creating should be the same.

Also, storage used should be deemed compatible with Windows 2008 clustering, must support SPC-3 commands and ideally should be unaccessible by other devices non in the print cluster being created (If you are creating your print cluster in VMware, you will want to present the disks as RDMs, rather than standard VMDK datastores). Finally, the miniport driver should be compatible with the Microsoft Storport storage driver.

Creating a Windows 2008 Cluster

Once you have your two Windows 2008 servers sharing two disks from a SAN (or other shared location), you need to install the Failover Clustering feature. To do this, in Server Manager, click Add Features and add the Failover Clustering feature.

Next, open an mmc (from the run menu) and add the Failover Cluster Management snap-in. Under Management, click Validate a Configuration… Proceed through the Validate a Configuration Wizard, selecting all test options. Fix any issues with the cluster.

Next, run the Create Cluster Wizard (Click Create a Cluster) and follow the steps. If you have multiple networks on the servers, some of which you don’t want to use for cluster traffic, click Manage a Cluster and select your cluster. Expand the cluster and right click the network (under Networking), click Properties then Do not allow cluster to use this network for each network you want to exclude.

Creating a Windows 2008 Print Server Cluster

You have now created a Windows 2008 cluster, you now need to configure your Windows 2008 cluster as a Print Server cluster. To do this first install the Print and Document Services Role from Server Manager -> Roles -> Add Role.

Next, in the Failover Cluster Management MMC, click Services and Applications under Actions and click Configure a Service or Application. This starts the High Availability Wizard. Click Next and specify a Print Server. Complete the wizard, you have now created a print server cluster :mrgreen:

How To Add A Printer To A Print Cluster

In the Failover Cluster Management MMC, expand Services and Applications, then Manage Printers in the Action Pane. This opens a new window. In this window, navigate to Print Management -> Print Servers and right click the cluster you created. Click Add Printer… and complete the wizard to add a printer to your print server cluster.

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How To Find Out When A Windows Server Was Last Rebooted

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Wondering when your Windows Server was last rebooted? To find out when Windows was last rebooted, run the following command in the command prompt:

net statistics server

It will say Statistics since…, which will be the date and time that the server was last rebooted.

You can also find out when the server was last rebooted from the Windows Event Viewer, but this way is faster ;)

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VMware Open Console Is Greyed Out

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You may find that when you try to click Open Console to view the console of a VM, the option is greyed out. The Open Console option is greyed out because you don’t have permission.

To allocate permission to users to open the console view, log into the VMware vSphere Client as an administrator and click Administration -> Roles and put the user in the appropriate group. Also check that there isn’t a specific permission restriction causing the Open Console option to be greyed out. You can check this by logging on as an administrator, right clicking the VM and clicking Add Permission…

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How To Install VMware Tools On Windows Server 2008 R2 / 2012 Core

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When you try to install VMware Tools from the VMware vSphere Client (VM -> Guest -> Install/Upgrade VMware Tools), nothing happens. This is because clicking Install/Upgrade VMware Tools simply mounts the installer to a CD drive in the VM and by default, autorun is turned off on Windows Server 2008 R2 and 2012 Core for security reasons.

To install VMware Tools on a Windows Server 2008 R2 or 2012 Core installation:

  1. In the VMware vSphere Client, click VM -> Guest -> Install/Upgrade VMware Tools
  2. Then either switch to the CD drive in the command prompt and run setup or type:

    msiexec.exe /i “D:\VMware Tools.msi” /qn

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How Do You Go To A New Line Within A Cell In Microsoft Excel?

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You may find yourself wondering how to go to a new line within a cell in Microsoft Excel, because pressing enter just moves the mouse cursor to the cell below. To go to a new line within a cell, press Alt + Enter for PC users or Cmd + Opt + Enter for Mac users.

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Unable To Connect To vCenter Server

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Scenario: You’ve had a power outage, you start up your ESXi hosts, but can’t connect to the vCenter Server to manage your hosts and start up your VMs. You have a bunch of hosts and it’s taking ages connecting the vSphere Client to each one to see which host the vCenter Server is running on. You need this PowerCLI script to help you find which host the vCenter Server resides so you can troublshoot why you can’t connect to it:

$findvm = Read-Host -Prompt “ENTER VCENTER SERVER NAME”
Set-PowerCLIConfiguration -DefaultVIServerMode Multiple -Confirm:$false
$esxservers = get-content “ENTER VCENTER SERVER IP ADDRESS”
Connect-VIServer -Server $esxservers
$vmlist = (Get-VM | select -expandproperty name)
foreach ($vm in $vmlist)
    {
    if ($vm -eq $findvm)
        { Write-Host “$findvm was located on $esxserver” exit }
    }
Write-Host “$findvm was not located on any host”

To use the script, ENTER VCENTER SERVER NAME and ENTER VCENTER SERVER IP ADDRESS in the script.

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How To Stop ESXi 5 Crashing On An HP Proliant ML110 G7

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Although VMware ESXi 5 does support HP Proliant ML110 G7′s, there are a few modifications you need to make to the BIOS to stop it crashing. To run ESXi 5 on an HP Proliant ML110 G7, change the C state to C6 in the BIOS. This will stop your ML110 G7 from crashing. Also, VMware recommend the following BIOS settings to increase performance of ESXi 5 on an HP ML110 G7:

  • Set Power Management in the BIOS to OS Controlled Mode
  • Enable Cooperative Power Management in the BIOS
  • If your indended ESXi server usage is not likely to be sensitive to significant IO, enable  C1E in the BIOS, otherwise leave it disabled
  • Use the highest C state available (enable all: C3, C6, etc.)
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