Category Archives: IT

All things IT related i come across on a day to day basis.

4S 5000mah Lipo Comparisons

Wanted to post some size and weight comparisons of 3 popular 4S lipos, all the dimensions are available from the manufacturers website but sometimes its hard to visualise so here goes. The lipo’s are as follows 4S5000mah 25-50C Nanotech 515 … Continue reading

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Mini Skywalker FPV

So back again and yet another build log this time a super lightweight build aiming for sub 400grams fully loaded with FPV gear including basic OSD. This is a very quick prelim blog as i don’t actually have the airframes … Continue reading

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Home Brew 868mhz Turnstile Antenna for TBS Crossfire.

Not content with the performance of the TBS MicroRX half wave dipole that looks to be measure and tuned for 915mhz i decided to have a go at a “Turnstile” antenna originally used for Long Range work on 433mhz band. … Continue reading

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Prototype Custom 868Mhz Dipole

So I’m making some DIY 868mhz antennas, the ARRL handbook states that the feed point should be as perpendicular to the active elements as possible to ensure an even pattern. I’ve not cut my elements yet so the question is … Continue reading

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Symantec Antivirus Back Door Advisory

In short SEP hooks itself into the Windows shell (explorer.exe) and scans system calls within this so if you try and download the EICAR test file using your favourite browser or by dropping the URL into an explorer window it … Continue reading

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PowerCLI set vNIC connection status on POWER-ON

So after migrating our vm estate to a new Vsphere 5.5 data centre using VMware Replication we found alot of vm’s that didnt have their NIC connected on poweron which clearly is a bad thing. Rather than going through 400 … Continue reading

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Replacing custom AD attribute using Powershell.

So recently have been having some problems with a recent email migration. One of the things we found were missing from migrated users was the amendment of a  custom AD attribute (#15) this attribute dictated how the exchange server dealt … Continue reading

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Simple Calendar Permissions editing using Exchange 2010 Powershell

Here we have a nice simple way of amending Calendar permissions using the built in Exchange 2010 Powershell cmdlets. .Substitute the name “KEITH” with the users logon name or email address. The red is what rights on the mailbox is they … Continue reading

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Remote Registry set through Powershell

$Computers = “C:tools_powershellpowershellReg fix Altirisserverlist2.txt” get-content $computers | foreach { Enter-pssession -computername $_ set-ItemProperty -Path HKLM:softwareAltiriscommunications -Name “Proxy Auto Detect” -Value 0 set-ItemProperty -Path HKLM:softwareAltiriscommunications -Name “Proxy Server” -Value null Exit-PSsession write-host “Registry changed”$_ } The above simple script will … Continue reading

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Adobe Reader X (Access Denied Error)

Hi I have just come across an issue with opening PDF files from the network in Adobe X. It sometimes give you an error saying access denied. The below will fix the issue.   Open Acrobat Reader X Click on … Continue reading

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