After upgrading to Ubuntu 22.04 LTS, no screen shows up after clicking on “share screen” button on MS Teams desktop app. Continue reading
CrowdStrike Windows Meltdown
How CrowdStrike, a cybersecurity technology company, made thousands of Windows PCs secure by effectively turning them off. Continue reading
IKEv2 VPN Unusably Slow on MikroTik
IKEv2 is a tunnelling protocol within the IPSec protocol suite.
Certbot with DNS Cloudflare Plugin on Rocky 9/CentOS 9
The Cloudflare DNS plugin automates the process of completing a dns-01 challenge by creating and subsequently removing TXT records using the Cloudflare API.
Configure Tripwire on Rocky 9/CentOS 9
Open Source Tripwire is a free software security and data integrity tool used for monitoring and alerting on specific file changes on Linux systems. Continue reading
Create a Bootable Linux USB from ISO with DD
Create a bootable USB using the dd command. Continue reading
Change ADFS TLS Certificate
There are different ways to get this wrong. Continue reading
SSH Hardening on MikroTik L009UiGS-2HaxD
The time has come to update our good old 2011UAS-2HnD-IN with L009UiGS-2HaxD. Continue reading
Regenerate Expired Puppet Master Certificate
Renewing an expired Puppet master certificate. Continue reading
Revive an Expired Puppet CA with Certregen
Renewing an expired Puppet CA certificate using Certregen module. Continue reading