HTTPS for a Domestic-Only Home Server — Let's Encrypt DNS-01 + DuckDNS Wildcard 2026.06.23 Network Certbot country-restriction DNS-01 Docker DuckDNS home-server HTTPS iptime Let's Encrypt Nginx wildcard
Fix Arista ZTP Error: cannot copy to startup-config when ZeroTouch is enabled 2026.06.19 Network Arista CLI console EOS network provisioning startup-config switch ZeroTouch ZTP
Core Network Concepts for Switch Redundancy — VLAN, SVI, LACP, MLAG/VLT, VRRP/VIP, IPMI, PXE 2026.06.18 Network Arista BMC bonding ECMP FHRP high-availability IPMI LACP MLAG network PortChannel PXE STP SVI switch-redundancy VIP VLAN VLT VRRP VXLAN
Testing Arista Switch GBIC (SFP28) Modules — Diagnosing xcvr-unsupported 2026.06.18 Network 25G Arista compatibility EOS errdisabled FEC GBIC link-diagnosis optics SFP28 transceiver xcvr-unsupported
Manually Editing netplan to Set IP/Gateway/DNS on a NIC When cloud-init Auto-Generates the Config 2026.06.11 Network cloud-init ConnectX DNS gateway IP Linux Mellanox netplan network NIC server Ubuntu
Assign a Management IP to an Arista Switch and Access It via SSH 2026.06.10 Network Arista CLI console EOS ManagementIP network SSH switch VRF
Verifying a 25G Network — Server-to-Arista-to-Server Link Compatibility Test 2026.06.10 Network 25G Arista compatibility DAC EOS ethtool FEC Intel iperf3 link-verification Mellanox NIC RS-FEC SFP28 transceiver
DuckDNS + HTTPS Setup on an iptime Router 2026.04.07 Network Certbot Docker DuckDNS HTTPS iptime Let's Encrypt Nginx port-forwarding reverse-proxy SSL WOL