Acorn is a company in Singapore that sells ceiling fans. Some of the models have a remote control for convenience. However, they are not smart fans and you will not be able to control them using your home automation solution out of the box. However, if you have the remote pictured below, then ...

I've recently procured a used Wyse 5010 thin client for $15. While some information on this device is already out there, I've discovered quite a bit during the upgrading process which I would like to share here. Although the official specifications mentioned 4GB RAM maximum, the device works ...

As more details of the Barracuda ESG 0 day compromise emerge from both Barracuda and Mandiant, it starts to make sense why Mandiant would recommended a complete replacement of all existing devices. It appears that upon detection, the attackers managed to quickly deploy SANDBAR, which is a ...

I recently had problems using my Yubikey GPG key to SSH from my WSL instance to a linux server. After the usual checks, it seemed like it was a client side error sign_and_send_pubkey: signing failed for RSA "/home/user/.ssh/id_rsa" from agent: agent refused operation. Most people on the ...

I had some issues with automatically creating a service principal to set up Azure Resource Manager in Azure DevOps due to overly strict Azure AD policies resulting in the following error Error encountered: Failed to create an app in Azure Active Directory. Error: Credential lifetime exceeds the ...

There are a number of sites out there mentioning that macvlan has a limitation when used with docker or lxc containers. The host machine will not be able to communicate with the guest machine and vice versa. While this is true by default, there is a tweak that you can perform to make host guest ...

This is a topic that is not commonly discussed. Most articles about IP hijacking deal with the subject at the ISP level, i.e. hijacking of BGP protocol. However, IP hijacking can be performed on the LAN as well. It is possible to use static routes at the gateway to route a public IP address to ...

I recently decided to migrate my server cluster's logging mechanism from rsyslog to Splunk. My previous setup was to use rsyslog to centralise all logging onto /var/remotelog/ on a central server. I then configured the Splunk indexer to index both /var/log/ as well as /var/remotelog/, this ...