Archive for 'Uncategorized'

How to Change Windows 10 Product Key (works on Windows 7/8/8.1/10 including Enterprise)

Posted 13 October 2014 | By | Categories: Uncategorized | 1 Comment

For example after upgrading Windows 8.1 Enterprise to Windows 10, Windows 10 would not activate; Opening a command prompt as Administrator and running the following command, resolved this, and allowed the Windows 10 Enterprise Technology Preview to Activate. slmgr.vbs /ipk PBHCJ-Q2NYD-2PX34-T2TD6-233PK”  

MAC OS X how to enable Target Disk Mode via Thunderbolt While Shutdown

Posted 13 August 2014 | By | Categories: Uncategorized | No Comments

If you wish to access or repair the drive on a remote Mac that is year 2011 or >, then you can simple hookup a thunderbolt cable from your working Mac to the Mac you wish to repair, or access the drive from. Simply connect the thunderbolt cable and upon boot of the Mac on […]

How to Enable Local Administrator Accounts on Windows Active Directory 2012 and > using Group Policy (GPO)

Posted 30 April 2014 | By | Categories: Uncategorized | No Comments

If you want your Domain Admins to have rights on all user PCs the best way to accomplish this is to use GPO to push out local administrators across a domain. First start of by creating a Group on your Domain, for simplicity sake call it “Local Administrators”. Once you have created this group add […]

How to disown and then re-claim a runinng process in another terminal/shell window with bash

Posted 24 April 2014 | By | Categories: Uncategorized | No Comments

Start a long running process, e.g. “scp mylogin@companydomain.com:/largefile.tar.gz .“ Background the process with CTRL-Z Resume the process in the background: bg Disown the jobs from the current parent with disown %1. After that, jobs will not show the job any more, but “ps -a” or “ps -ef” will. Start your terminal multiplexer of choice, e.g. […]

How to permanently set hostname for Fedora host on Amazon EC2

Posted 22 April 2014 | By | Categories: Uncategorized | No Comments

In order to retain your desired hostname in a Fedora instance running on Amazon EC2 across reboots, there are two steps are required: Edit and set your proper hostname in: /etc/hostname Add the line “preserve_hostname: true” in the top configuration section of of the “cloud-init” YAML config file  /etc/cloud/cloud.cfg. /etc/cloud/cloud.cfg will look something like this: […]

Repairing Windows 2012 R2 Startup

Posted 12 April 2014 | By | Categories: Uncategorized | 26 Comments

Method 1: =============== 1. Put the Windows Server 2012 R2 installation disc into the disc drive, and then start the computer. 2. Press a key when the message indicating “Press any key to boot from CD or DVD …”. appears. 3. Select a language, a time, a currency, and a keyboard or another input method, […]

How to install .NET 3.5 offline using Windows ISO (Windows 8/8.1/2012/2012 R2)

Posted 28 January 2014 | By | Categories: Uncategorized | No Comments

First right click the ISO for the Windows install, and click mount. Open a command prompt as Administrator and run the command below, replacing “x” with the drive letter the Windows Install ISO was mounted to. Dism /online /enable-feature /featurename:NetFx3 /All /Source:x:\sources\sxs /LimitAccess Replace x:\ with the path to your installation media. sample output: C:\>Dism […]

How to create a OS X Bootable USB key with OS X Mavericks 10.9* (*Install creates a recovery partition)

Posted 13 November 2013 | By | Categories: Uncategorized | No Comments

Download OS X 10.9 Mavericks from the app store. Insert a 8Gb or larger USB drive and use the Disk utility to format it: The USB drive should be called Untitled and formatted as Mac OS Extended (Journaled). The installer should be called Install OS X Mavericks.app and should be in your Applications folder. Run […]

RHEL 6.4 to CentOS 6.4 conversion, 64-bit (x86_64)

Posted 12 November 2013 | By | Categories: Uncategorized | No Comments

cd mkdir centos cd centos wget http://mirror.centos.org/centos/6.4/os/x86_64/RPM-GPG-KEY-CentOS-6 wget http://mirror.centos.org/centos/6.4/os/x86_64/Packages/centos-release-6-4.el6.centos.10.x86_64.rpm wget http://mirror.centos.org/centos/6.4/os/x86_64/Packages/yum-3.2.29-40.el6.centos.noarch.rpm wget http://mirror.centos.org/centos/6.4/os/x86_64/Packages/yum-utils-1.1.30-14.el6.noarch.rpm wget http://mirror.centos.org/centos/6.4/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.30-14.el6.noarch.rpm yum erase yum-rhn-plugin rhn-client-tools rhn-virtualization-common rhn-setup rhn-check rhnsd yum-updatesd subscription-manager yum clean all rpm –import RPM-GPG-KEY-CentOS-6 rpm -e –nodeps redhat-release-server yum localinstall *.rpm yum upgrade shutdown -r now

How to extract COP.SGN files (Cisco CallManager) using HxD and WinRAR

Posted 07 November 2013 | By | Categories: Uncategorized | 2 Comments

Cisco Option files (COP Files or COP.SGN) are packages of software released for Cisco Unified Communications Manager (CUCM) that add new functionality, fixes, and other optional components such as locales or updated phone firmware versions. This document details how to essentially convert a “cop.sgn” file to a “tar,gz” file; If you want to know how to […]