11 07, 2017

How to block executables from APPDATA

By | 2017-07-11T09:10:38+00:00 July 11th, 2017|Active Directory, Windows Server|0 Comments

While searching for some useful GPOs I encountered very nice thread with clear and thorough explanation about how to restrict/whitelist locations and file types that can be executed in Windows OS using Group Policy Object. Commenter state that using this method he basically got rid of all threads in his environment and analysing his approach [...]

6 03, 2017

OCS Inventory NG 2.3 Complete install guide on Debian 8.7 Jessie

By | 2017-05-07T22:16:46+00:00 March 6th, 2017|How-To's, OCS Inventory NG|59 Comments

OCS Inventory NG 2.3 Complete installation guide on Debian with SSL and working deployment feature. After completing this guide you will have fully working OCS Inventory NG server. Building OCS Agent install is also covered, so you will be able to deploy it straight away!

18 05, 2016

How to update OCS-NG Inventory agent for Windows to

By | 2016-12-22T21:35:09+00:00 May 18th, 2016|OCS Inventory NG|3 Comments

Quick guide about upgrading ocs agent for Windows to newest version. This is tested in medium scale environment and working good. There are few catches in the update process so please read it carefully

10 05, 2016

How to debug Windows Crash Dump – BSOD

By | 2016-12-22T21:35:09+00:00 May 10th, 2016|Errors and fixes, Windows|0 Comments

So it happened, a serious Windows System Crash aka BSOD (Blue Screen Of Death). There may be hundreds of reasons why your Windows System has crashed but event logs just say that it crashed and wasn't shut down clean - obvious! We need to look a bit deeper in order to see what probably caused [...]

22 04, 2016

OCS-NG 2.2 server complete install guide on Debian Jessie 8.4

By | 2017-03-27T22:10:39+00:00 April 22nd, 2016|How-To's, OCS Inventory NG|52 Comments

AN UPDATED VERSION COVERING OCS-NG 2.3 OF THIS GUIDE CAN BE FOUND HERE In our previous part we have successfully installed an RC version of OCS-NG server. Now it's time to install a stable version of 2.2. There isn't much many differences between installation of the RC1 and Stable, thus this guide will be much [...]

22 04, 2016

How to set ntp server in Windows Server

By | 2016-12-22T21:35:10+00:00 April 22nd, 2016|Microsoft, Windows Server|0 Comments

When running an Active Directory environment based on Windows Server it is critical to have proper time synchronization in order to keep authentication going. Time difference larger than 5 minutes may result in authentication failures on clients and error event logs on Active Directory Domain Controller. Standard time.windows.com sometimes is not responding or can't be [...]

14 04, 2016

Enable execution of PowerShell scripts in Windows

By | 2017-03-12T19:46:33+00:00 April 14th, 2016|Errors and fixes, Powershell|0 Comments

When you write a powershell script on your own, or download scripts from the Internet you will not be able to execute them on your computer. This is by design and implementation of PowerShell in Windows. To overcome this, you can run PowerShell as an Administrator, or Start PowerShell as an Administrator Execute the following [...]

5 04, 2016

Using powershell to change remote computer description

By | 2016-04-05T15:55:35+00:00 April 5th, 2016|Powershell, Windows 10, Windows 7|0 Comments

Changing or viewing remote computer's description, name and other options related to Win32_WmiObject and class Win32_OperatingSystem is relatively easy with powershell. Just type in new script in PoweShell ISE or in notepad and save it as .ps1 file. [crayon-5b2a04d30a774912626610/] You can as well display current description and other options by typing: [crayon-5b2a04d30a779007006232/] Full list of [...]

1 04, 2016

Installing Microsoft Exchange 2013 on Windows 2012R2

By | 2016-12-22T21:35:10+00:00 April 1st, 2016|Exchange, How-To's, Microsoft|0 Comments

Microsoft Exchang 2013 installation guide on Windows 2012 r2. I deploy two Mailbox servers as well as two Client-Access-Servers. All running on four Windows 2012r servers from which two of them are acting as Active Directory domain controllers. This is first part of the series, later on I will try bo build a CAS HA as well as Mailbox Database availability group. Stay tuned!

20 03, 2016

Force replicate data between Domain Controllers

By | 2016-04-07T19:48:13+00:00 March 20th, 2016|Active Directory|0 Comments

From time to time you want to speed things up when deploying or upgrading schema or configuration of AD. If this is a case you can force to replicate all info between all domains controllers by specifiyng a command: [crayon-5b2a04d30ada1640048179/] /syncall - all information dest-domain-controller  - pretty obvious. If running on a DC, there's no [...]