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mhVTL on CentOS 6 / 7

I frequently use tape devices, libraries and drives, in my daily course of work.  Unfortunately it isn’t possible to have every type of device in a lab or in many cases any physical devices available for testing, etc. When it comes to VTLs (Virtual Tape Libraries) there are a handful of vendors and options ranging from thousands of… Read More »

X11 forwarding on OS X (macOS)

X forwarding of Unix/Linux applications to OS X can be quite frustrating or easy depending on what steps are followed.  Here is a straight forward guide to the process: Download the XQuartz X-Windows manager for OS X (macOS). Originally included  in OS X releases 10.5 through 10.7 the latest (and recommended) version is now available via the project… Read More »

Raspberry Pi 3

Well the Raspberry Pi 3 went on sale today in Australia and I was lucky enough to pick one up. Key improvements over the Pi 2: Broadcom BCM2837 chipset running at 1.2 GHz 64-bit quad-core ARM Cortex-A53 802.11 b/g/n Wireless LAN Bluetooth 4.1 (Classic & Low Energy) Dual core Videocore IV® Multimedia co-processor microUSB connector for 2.5 A… Read More »

OS X & macOS Build Numbers/Versions

Updated on 30-Mar-2017 Ever need to know what OS X Build correlates to which version? The simplest way to find out what version your running is in the Terminal with the command sw_vers. Version Build macOS Sierra 10.12.4 16E195 10.12.3 16D32 10.12.2 16C67 10.12.1 16B2555 or 16B2557 10.12 16A323 OS X El Capitan 10.11.6 15G31 10.11.5 15F34 10.11.4… Read More »

Windows OS Build Number

What service pack, release, or build number are you at?  A question I commonly ask system admins, and it is surprising how many don’t know the answer. Here are the simplest methods of getting the OS build information. GUI winver.exe Command Prompt ver PowerShell PS C:\> [System.Environment]::OSVersion.Version Table of Windows Builds Operating System Version Number Windows Server 2016… Read More »