windows 7 – whats preventing my machine from sleeping?
Run this elevated command to find out; powercfg /requests
View Articlevmware – list all IPs on guest machines
If DNS is failing you…. You can run the following powercil script to list all IP’s to virtual machines within vmware…. $IPaddresses = @() foreach($vm in Get-VM){ $vm.Guest.VmName | %{ $IPaddresses +=...
View ArticleKMS count
Getting the KMS count up over the initial threshold is a pain when you only have one server or one workstation to start with. Typically you need at least 5 servers or 25 client machine requesting...
View Articlesquid – reverse proxy
Great guide here – http://www.classhelper.org/articles/reverse-proxy-server-squid-debian/installing-squid-proxy-server.shtml I’ve modified slightly for Ubuntu, but almost identical. apt-get install...
View Articlevmware – updating vcenter email alert for monitoring
I’ve used the following powershell script to assist with setting up a consistant email alert on varous vmware envionrments. # Usage ; # Please manually connect to vCenter, use "Connect-VIServer" --...
View Articletinycore – autostart rdesktop
The directory for that purpose is hidden directly in your user folder, e.g. /home/tc/.X.d Create a file in there called rdesktop and put in it a command like while x=0 do sleep 5...
View ArticleWhen Is A Trunk Not A Trunk?
Very good article here – http://networkingnerd.net/2011/02/02/when-is-a-trunk-not-a-trunk/ Particuly like setting of Native vLAN and tagged networks over an HP trunk; So, if HP refers to an uplink...
View Articlevmware – copy networking port groups to another host
You might be able to do this via “host profiles” but if you do not have the licensing for it, this is the alternative. Very handy if you have over 50 or so port groups. It can be re-run to add to...
View ArticleHP Gen 8 servers and networking issues – TG3 driver
The first one (that caused the outage) was due to a bug in the tg3 driver on the ESXi hosts (1gbit broadcom cards in the new hosts). If the network card is put under load and netqueue is enabled it...
View Articlevmware – powercli enable remote scripts
Neccesary commands to get vmware vsphere power cli scripts runnign in power cli; (post installation of vsphere power cli extensions) Set-ExecutionPolicy RemoteSigned Set-PowerCLIConfiguration...
View Articlenested hypervisor (on ESXi 5.1)
Sometimes you might want to run a hypervisor on a hypervisor for testing purposes…. this is how you pass through the required CPU extensions in ESXi 5.1 Remember you will also need to enable...
View ArticleWhy is UNRAID cool for home?
I’ve played with many storage technologies at home, ZFS being one of my favs when it comes to performance. But i’ve been looking for something that suits a typical home environment where power usage...
View Articlepowershell – move machine types to certain OUs in active directory
-------------- select additional parameters ---------------------- Get-ADComputer -Filter * -Properties ipv4Address, OperatingSystem, OperatingSystemServicePack | Format-table name, ipv4*,...
View Articlezfs share for Time machine backups
I’ve tried using a share for time machine before, but due to the nature of how time machine works it eventually consumed all the spare space that is available on that particular share. bring on zfs...
View Articlensswitch.conf SMF config
# svccfg svc:> select dns/client svc:/network/dns/client> setprop config/search = astring: \ (“us.company.com” “eu.company.com” “companya.com” “companyb.com” “company.com” )...
View Articleuse nmap to port scan / find free IPS
I use angry IP scanner in windows, linux has a good util for port scanning an ip range called nmap; Grab nmap from usual repositories sudo nmap -sP 192.168.9.0/24 (will show hosts up and resolve mac...
View ArticleEquallogic – 6.0 Feature List
http://www.dell.com/learn/us/en/04/campaigns/equallogic-software Features introduced in release 6.0: • Synchronous Replication • Snapshot Space Borrowing • Volume Unmap • Volume Undelete • Support for...
View Articlewindows 2012 – dedup
If you have some archive data that you would like to copy onto a win 2012 server, but dont know how to estimate the end volume size (if VM etc). Start small – about 1/2 of the total capacity of the...
View Articlewindows 2012 change key from evaluation to standard
get current version; dism /online /get-currentedition Deployment Image Servicing and Management tool Version: 6.2.9200.16384 Image Version: 6.2.9200.16384 Current edition is: Current Edition :...
View ArticleActive Directory- redirect default Containers to Organisational Units
One really useful tidbit I picked up last week – Redirusr & redircmp Configures the default OU for computers and users so they don’t appear in the default containers when they are added...
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