Disable Automatic Startup Microsoft Teams for Linux (Ubuntu)

This how to is written for debian distro based operating systems. During this test i’m using Ubuntu Desktop 18.04.3 LTS.

Disable automatic startup

In case you don’t want to automatically startup Micrsoft Teams you can use the following setting to change this behavior. Go to Menu > Search > Startup Applications preferences.

Here you can disable or remove Teams startup.

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Microsoft Teams for Linux

This how to is written for debian distro based operating systems. During this test i’m using Ubuntu Desktop 18.04.3 LTS.

Installing Microsoft Teams

First of all download the right client package for Microsoft Teams.

For my Ubuntu desktop i’m using the DEB 64-bit installer. You can also download the package using wget.

Download the package from the Teams website. You can find the latest version right here (Right click the version and copy the link)

Route all traffic by OpenVPN

In October i posted a blog about setting up your OpenVPN server in 2 minutes.

This blog is a addon to your existing configuration to route all traffic over the VPN. 

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Change server configuration

go to the config file (/etc/openvpn/server.conf) and add the following lines:

    push "redirect-gateway def1"
    push "dhcp-option DNS "
    push "dhcp-option DNS 1.1.1.1"

Restart your OpenVPN daemon

    sudo /etc/init.d/openvpn restart

Change client configuration

Change your client config, and add the following line

Running PowerShell on your RaspberryPi

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

Move VMs between ESXi Hosts with SSH

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.

Setup OpenVPN server in 2 minutes

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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Error on installing Kali Tools in Ubuntu

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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