Ubuntu 26.04 Networking
Netplan, DNS, firewalling, proxies, and load balancing on Ubuntu 26.04 LTS.
-
1
Part 1 of 8
Configure Static IP on Ubuntu 26.04 LTS with Netplan
A static IP on a Linux server should take five minutes to set. On Ubuntu 26.04 LTS, Netplan is the tool that does that job, and…
19 min read·Apr 2026
-
2
Part 2 of 8
Install Squid Proxy on Ubuntu 26.04 LTS
Stand up a forward proxy on your LAN and you get a single chokepoint for outbound HTTP and HTTPS, a cache that takes load off slow…
10 min read·Apr 2026
-
3
Part 3 of 8
Install Tailscale Mesh VPN on Ubuntu 26.04 LTS
Two laptops, three home-lab servers, and a VPS in Frankfurt. Old me wired that together with WireGuard, an OpenVPN concentrator, a couple of iptables NAT rules,…
10 min read·Apr 2026
-
4
Part 4 of 8
Install Postfix Mail Server on Ubuntu 26.04 LTS
Install Postfix 3.10 and Dovecot 2.4 on Ubuntu 26.04 for an internal mail server with TLS, SASL auth, and IMAPS, verified end-to-end.
12 min read·Apr 2026
-
5
Part 5 of 8
Install Bind9 DNS Server on Ubuntu 26.04 LTS
Install BIND 9.20 on Ubuntu 26.04 as an authoritative DNS server with forward and reverse zones, verified from a client VM.
8 min read·Apr 2026
-
6
Part 6 of 8
Install HAProxy Load Balancer on Ubuntu 26.04 LTS
Install HAProxy 3.2 on Ubuntu 26.04 with round-robin across two Nginx backends, health checks, stats, and verified failover.
8 min read·Apr 2026
-
7
Part 7 of 8
Install Samba File Server on Ubuntu 26.04 LTS
Install Samba 4.23 on Ubuntu 26.04 with public and private shares, then verify from a Linux client using smbclient and a CIFS mount.
9 min read·Apr 2026
-
8
Part 8 of 8
Install NFS Server on Ubuntu 26.04 LTS
Install nfs-kernel-server on Ubuntu 26.04 with public and IP-locked private exports, verified from a client using NFSv4.2 mounts.
8 min read·Apr 2026