Microsoft has created four new roles specifically for admins responsible for Microsoft Teams. Roles give people in your organization permission to do specific tasks in the Microsoft 365 admin center.

This new admin roles are now available to assign in your Microsoft 365 admin center or by using PowerShell.

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Teams service admin

Can manage all aspects of Microsoft Teams except license assignment. This includes policies for calling, messaging, and meetings; use of call analytics tools to troubleshoot telephony issues, and management of users and their telephony settings.

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For many years PowerShell was a Windows-only thing that was part of the closed Windows ecosystem. Now a days PowerShell is open source up at https://github.com/PowerShell with lots of docs and scripts, also open source.

PowerShell is supported on Windows, Mac, and a half-dozen Linux distros.

While running PowerShell on your RaspberryPi is still experimental and only supported for Raspbian Stretch it’s running pretty smoothly.

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Installing

Install the prerequisites

	sudo apt-get install libunwind8

Grabbing the latest tar.gz

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Microsoft is making some changes to Skype for Business Online Audio Conferencing Dial Out. To best meet our customer’s business needs, Microsoft is adjusting when attendees can add other participants to a Skype for Business meeting via dial out.

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How does this affect us?

Till now, meeting guests are able to add Audio Conferencing attendees at any time.

Going forward, the meeting service will require at least one authenticated user from the organizer’s company to be present in the meeting to allow adding another participant via dial-out. Company attendees can be authenticated through the Skype for Business Client.

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AudioCodes One Voice Operations Center (OVOC) is a voice network management solution that combines management of voice network devices and quality of experience monitoring into a single, intuitive web-based application.

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Upgrading

Download the right ISO from the Audiocodes site. Here’s the deeplink (link)

Mount the ISO to the linux system in your Hypervisor.

Login using Putty to the SSH shell with user acems and default password acems.

Promote yourself to root with:

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Recently i was installing some new servers in my lab environment and ran in to this Windows Update error 0x800705b4.

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Fix the Windows Update issue

Microsoft provides Windows Update troubleshooter which will detect the problem and (try) to fix it. Try using this method to fix the 0x800705b4 error.

Type troubleshoot in Cortana/Search at the bottom left corner of desktop.

Click Troubleshooting on the pop-up menu.

Click System and Security

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Recently is had some issues with capacity and old server hardware. I created some new ESXi hosts and wanted to move the VMs to the new hosts. Below i will describe how i obtained this:

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Setup Access

Start SSH and ESXi Shell on both servers, you can do this from the Web UI, Hosts > Actions > Services

Now create the destination folder (mostly VM name) on the new ESXi host.

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With this script you can setup a OpenVPN server within 2 minutes. I really want to give credits to the owner of the script, but i don’t have a clue who wrote this.

	`wget https://git.io/vpn -O openvpn.sh`

Run the installer:

	`sudo bash openvpn.sh`

You can also do this in one command:

	`sudo wget https://git.io/vpn -O openvpn.sh && bash openvpn.sh`		

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When you want to run a Raspberry Pi for pentesting, you can easily download all of the Kali linux to your Pi.

https://www.ostechnix.com/install-kali-linux-tools-using-katoolin-linux/

After changing the repository i ran in to a error.

While people on the forum ginving some different options, this one worked for me.

	`wget https://http.kali.org/kali/pool/main/k/kali-archive-keyring/kali-archive-keyring_2018.1_all.deb`

	`sudo apt install ./kali-archive-keyring_2018.1_all.deb`

Everything looks fine now. Let’s check for the final.

	`sudo apt-get update`

``

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Office Online Server (OOS) is the next generation of Office Web Apps Server (OWA), which allows organizations to deliver browser-based versions of Word, PowerPoint, Excel and OneNote, among other capabilities.

Most people who need to run Office Online Server are having Skype for Business Server 2015/2019 or SharePoint. Within Skype for Business it will be used for PowerPoint presentations inside meetings.

You can download Office Online Server from MSDN or Volume Licensing Center. The latest version listed over there is November 2017(en_office_online_server_last_updated_november_2017_x64_dvd_100181876.iso). In the meanwhile there have been made some patches available that are solving a lot of issues.

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My Tools

I was thinking of creating a top of favorite tools, services gadgets and apps i use on a daily/weekly base. So let’s make a start and i will try to update this page as often as possible.

Browser Plugins

• Ghostery, If you don’t want to be followed by all the big million company’s turn this on in your browser.
• uBlock, Turn of all those advertisers in your browser.

Apps

• Feedly, the best RSS feed reader at this moment for me!
• Visual Studio Code, is a code editor redefined and optimized for building and debugging modern web and cloud applications.
• Wireshark, Capturing your packets was never this easy ;) (use my profiles to make life a bit easier)
• LastPass, in 2018 it is impossible to not use a Password Manager. I’m using LastPass since 2011 and this is still the number one password manager for me.
• OneNote, my notation app for everything i want to save!
• Flow, Create and automate your workflows across multiple applications and services.
• Notepad++, Opensource code editor
• Openlive Writer, is a powerful, lightweight blog editor that allows you to create blog posts, add photos and videos then publish to your website.

Web Applications

• Matomo, This is a opensource clone of Google Analytics, where you are in control.
• Keybase, a crypto platform where you can manage your PGP keys and quickly produce encrypted messages.
• ImgClean.io, Get all of the EXIF information out of your or someone elses pictures.
• WayBackMachine, when you want to see how a website looked 10 years ago, use this timemachine :)

Services

• Cryptomator & Stack 1TB of free storage in the ‘dutch’ cloud. Together with Cryptomator (opensource) you can encrypt your files with AES256 on the fly.

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