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Network Stuff and System Administration. Sometimes DevOps.

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  1. Traefik with mTLS

    #mtls #pki #smallstep

    We are discussing how to enable mTLS for services behind Traefik reverse proxy

    7 min read
  2. Using traefik with local CA with ACME support

    #pki #smallstep #step-ca

    How to use custom PKI through ACME calls with traefik.

    8 min read
  3. Smallstep's step-ca as CA with ACME support

    #pki #smallstep #step-ca

    In this blog post, we will go through the basic installation process and install both the step-ca and step-cli tool that will help us manage our CA and certificates issued by the CA.

    14 min read
  4. How to install PA firewall device certificate for Panorama managed devices

    #firewall #paloalto #panorama

    Palo Alto device certificates are required for devices that need to communicate with Palo Alto cloud services. There are two ways to install them - one is directly from the firewall itself, while the other one is for Panorama managed devices.

    3 min read
  5. Changing/Adding SSL certificates to Proxmox

    #proxmox #ssl

    I decided to add custom CA-signed certificates to my Proxmox cluster, but the last time I did that, I managed to get my cluster all screwed up (I did what I wasn't supposed to do!) The only thing that matters is that you don't replace existing pve-ssl.pem certificate file or pve-ssl.key key file,

    1 min read
  6. QNA-T310G1S 10GbE SFP+ adapter no longer working after Proxmox upgrade to 8.2.4

    #downgrade #kernel #proxmox

    Today I upgraded my Proxmox servers to 8.2.4, and after restart, I noticed that my networking stack wasn't working properly. I resolved the issue by moving all of my VMs and my Migration and Cluster Sync networking to the bridge associated with my other network adapter, but that was just a temporary

    2 min read