How to disable systemd-resolved. Problem to get resolve.conf updated with NetworkManger #ubuntu #networkmanager #linux #INVIDGruppen

When you running systemd-resolved you have entry in /etc/resolv.conf that points to nameserver When you troubleshoot sometimes you do not want this. This is how I did it: Disable systemd-resolved 2. Edit network-manager settings files /etc/NetworkManager/NetworkManager.conf and dns=default 3. Delete old resolve.conf file 4. Reboot and test or try

Powershell and Vmware PowerCLI, get-vm exception has been thrown by the target of an invocation. How to fix and add proxy in powershell. Add PSGallery as a repo.#vExpert #VMware #powershell #vmwarepowercli

Uninstall PowerCLI from VMware (we add it later from PSGallery) Start Powershell Set tls security to 1.2 [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 Set http proxy [Environment]::SetEnvironmentVariable(“HTTP_PROXY”, “”, [EnvironmentVariableTarget]::Machine) Set https proxy [Environment]::SetEnvironmentVariable(“HTTPS_PROXY”, “”, [EnvironmentVariableTarget]::Machine) Now that we have internet connection you can try in powershell, just for confirmation. wget Now it is time to register PSgallery […]

Spam-test. Test if your email adress / domain are on any blacklist or if anything is wrongly configured. Check for spf,dkim and other stuff. #pentesting #blueteam #cybersecurity #spam #tester

This is a simple way to test if your email security is ok. Open a web browser and access and copy the destination email on the page. Then send a email to that address that you got from the page Then go back to the web page and press Then check your score. (wait […]

Buffer Overflow, how do I prepare for Penetration Testing Professional V5 buffer overflow part. @eLearnSecurity #bufferoverflow #infosec #hacking #pentest #pentesting #redteam #hackthebox #INVIDGruppen #INVID

I am  not a programmer from the beginning so I struggle a lot with buffer overflow part of the PTP course. I can not turn back  time 25 years and start study programming so how do a old dog learn buffer overflow? This is what I do. Watch Videos, I learn faster if someone tells […]

How to set up juice-shop @ heroku for free. Then begin hacking your own web application. @heroku @owasp #infosec #hacking #pentest #cybersecurity #webhacking

I was watching a YouTube video from  and wanted to spread the word to my 2 followers. This is a great way to get started with web application hacking. You will set up your own environment in seconds. After the deployment go to  and do the 95 challenges. Step1 Create a free account […]

Create file with hostnames from website with cewl, then scan the webserver for vhosts with Metasploit vhost_scanner to find hidden virtual hosts on webserver. #infosec #hacking #pentest #pentesting #redteam #hackthebox #ctf #linux4hackers

We start to collect possible hostnames from websites with Cewl cewl -w cewl.txt You can also use some other switches like -d = deph to look on the website for words -m = minimum wordlengh -w = outputfiel So that the final command can look like this: cewl -d 5 -w cewl.txt When […]

Copy vswitch vlan from one host to another with powershell. @VMware #vExpert #esxi #VMware

This simple powershell scripts copy vlans from one server to another. With this script I needed to manually create the vmotion network after. But all other vlans was ccreated. Start Powershell In this case I was running linux. pwsh Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -Confirm:$false Connect-VIServer cmdlet Connect-VIServer at command pipeline position 1 Supply values for the […]