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Everything posted by bio
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true.... i mentioned it long time ago here bio..
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I got a QNAP-419P with 4 disks : Hitachi Deskstar 7K2000 HDS722020ALA330. Until now I got no hassle. bio..
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Running exchange 2010 SP1 on 2 VM's with 1 CPU & 12 GB assigned... having 3000 very small email boxes (10MB) and 300 large ones (max 500mb). The 3000 student boxes will be migrated to live@edu in the very near future. bio..
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Stop MAC's Browsing entire network need help
bio replied to round2it's topic in How do you do....it?
perhaps by placing the macs in a seperate vlan will do the trick. bio.. -
Any 3rd party software installed on that laptop ? domain 2008/2003/2000 ? bio..
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Mark Minasi's book is a must have ! bio..
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We use lanschool for this bio..
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+1 NOD32 here bio..
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cbtnuggets has got some. bio..
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Check the Proxy log and firewall log.. can be found in the ISA mmc bio..
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In my honest opinion the MS courses are OK i guess but they are not fairly advanced. The learn the basics of the subject. I think you'll learn the advanced topics only by playing around with it. Buying some good books can also help. One book that any windows engineer should own is written by Minasi. I don't know if you are managing an vmware environment or a switched/routed network. I would invest money into those topics. A sniffing course is also highly recommended. bio..
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First check hostname resolving (DNS)...and please post logfile for further troubleshooting bio..
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Let me see if I understand your question correctly: You are at work and you are working behind an ISA 2006 FW and trying to access your home PC via RDP ? It is possible via IP but not via FQDN ? bio..
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Can you explain a little further ? maybe a small drawing ? I'm not sure what you are trying to achieve here. bio..
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The HP A series are actually the H3C series and some high end 3com switches....the HP E series are 3com switches and the HP procurve product line.. I would stick with HP if i were you. bio..
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The SANS whitepapers are allways a good place to start. bio...
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Is this happening with all users ? or just one ? any third party apps installed (GFI or something)? maybe you have a delegate configured thats not in the GAL anymore ? bio..
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* In my opinion you have 2 processes that slow down the startup procedure : the symantec AV (C:\Program Files\Symantec\Symantec Endpoint Protection\Rtvscan.exe) and the Imperoclient (c:\Program Files\Impero Solutions Ltd\Impero Client\imperoclient.exe).... For testing purposes disable them and check how long it takes... * The DNS errors can be skipped and should not be a problem. Normally they are generated by secondary programs that are not related to the login procedure (can't see for sure cause the excel sheet does not contain process id's) * between 3016-3020 probably caused by enabling GPO logging 3385 - 3400 same as the DNS errors bio...
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This info might help: A single vCPU virtual machine will only use one CPU. A 8 core machine could be simultaneously be running 7 VM's no problem leaving the 8th core free for the host's processes, for example the scheduler. That last bit is what is important when deciding how many processors to assign to a VM. The host's scheduler is what is used to decide who runs what when. Lets say you have a dual core machine. You run one VM. If you create that VM with one vCPU, the host only has to pull off a running process off one core to run the VM. If you create it with 2 vCPU's, then the host has to pull off the processes on both cores to run that VM as both cores need to be made available to the VM at the same time. This means just for the host to do anything, it has to pull the VM off the processor. This is where a performance problem occurs. However, if your host had a quad core machine, a 2vCPU VM does not cause the same problem. On a 8 core machine, you could simultaneously run 4 2vCPU VM's. One of them is going to be scheduled off when the host needs to be doing something, but really that is going to happen eventually. However, that still may not be optimal because 2 cores must be used by each running VM. In general always create VM's so that the number of vCPU's is less then the number of real CPUs/cores. So on a dual core, in general don't create a 2 vCPU VM. The more real CPUs/Cores you have, the safer for everyones performance it is to create 2 vCPU VM's, though you might still find that single vCPU VMs are still the optimal case. So the basic rule could be stated along the lines, always create single vCPU VMs unless you have special reasons not to. Now, we all know that hard and fast rules are rarely always right. If a VM is doing something that genuinely can benefit from 2 processors AND has low IO needs, you might see performance increases with creating a 2 vCPU VM on a Dual Core machine, but these cases are outside the norm. You should also have in the back of your mind that VMware FT currently supports only VMs with just one vCPU. The decision to give every VM multiple vCPUs would block any opportunity to leverage VMware FT. Also, the more CPUs you allocate to the VM, the harder it is for DRS to find an opportunity to perform a VMotion migration to move the VM to a better ESX host. Another interresting read for vsphere 4.1 : http://www.boche.net/blog/index.php/2010/07/25/vsphere-4-1-multicore-virtual-cpus/ bio..
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Automated OS and software deployment management ?
bio replied to albertwt's topic in How do you do....it?
You might take a look at Landesk Management suite 9 as well. We have good experiences with it but are no large organization with many sites (however it does support that) bio.. -
Yep this is possible bio..
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Nope thats not possible.....you'll need to look at GFI products for that. bio..
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wrote an article on my blog a couple of months ago: Cleaning up student profiles on Windows XP machines « Knowledge for all (and free) ! perhaps its usefull bio..
