Chris Paquin

@cpaquin.bsky.social

Grey Beard

Fired up my RHEL9 server today, something that I have not done in a while due to the savage summer heat in the southern US. All my Dell servers have had the summer off for this reason. Upon login via ssh I saw a warning message, which I do not think I have seen before […]

Fixing the OpenSSH Post-Quantum Warning on RHEL 9

Fired up my RHEL9 server today, something that I have not done in a while due to the savage summer heat in the southern US. All my Dell servers have had the summer off for this reason. Upon login via ssh I saw a warning message, which I do not think I have seen before […]

chrispaquin.com

Enterprise Servers are loud and hot, and while a couple of 13th generation Dell servers kept a room nice and toasty in the cold of winter, it a double whammy to your electric bill in the Spring/Summer. The noise can be problematic as well, especially since I no longer have a basement, where I…

The Homelab Dilemma: Living With Enterprise Servers

Enterprise Servers are loud and hot, and while a couple of 13th generation Dell servers kept a room nice and toasty in the cold of winter, it a double whammy to your electric bill in the Spring/Summer. The noise can be problematic as well, especially since I no longer have a basement, where I relied … Continue reading

chrispaquin.com

The document details the installation and configuration of three Mellanox ConnectX-4 Adapters across multiple servers. It covers verifying detection, driver loading, InfiniBand setup, subnet management, and IP over InfiniBand configuration for effective connectivity and testing in a lab environment.

Project “NVIDIA HPC Infiniband Homelab GPU Cluster”: Part 2: Infiniband Setup

The document details the installation and configuration of three Mellanox ConnectX-4 Adapters across multiple servers. It covers verifying detection, driver loading, InfiniBand setup, subnet management, and IP over InfiniBand configuration for effective connectivity and testing in a lab environment.

chrispaquin.com

Overview On some RHEL 10.1 installs users are running into this error, post-install, when attempting to install packages via dnf. Unsure if the issue is isolated to users attempting to install RHEL via the full DVD ISO, from the minimal boot ISO, and users deploying RHEL 10.1 via kickstart. More…

Fix GPG Check Failed Error on RHEL 10.1

Overview On some RHEL 10.1 installs users are running into this error, post-install, when attempting to install packages via dnf. Unsure if the issue is isolated to users attempting to install RHEL via the full DVD ISO, from the minimal boot ISO, and users deploying RHEL 10.1 via kickstart. More Details The issue is caused … Continue reading

chrispaquin.com

By default the Cisco ASAv has weak ssh config that many modern OS’s do not support. This error is from the client side ssh client refusing to use any of the host key algorithms that are offered by the ASAv. To get around this you can try the following. However as you can see from … Continue reading

Fixing Weak SSH Config On A Cisco ASAv

By default the Cisco ASAv has weak ssh config that many modern OS’s do not support. This error is from the client side ssh client refusing to use any of the host key algorithms that are offered by the ASAv. To get around this you can try the following. However as you can see from … Continue reading

chrispaquin.com