system: add network note

system/README.md

@@ -0,0 +1,18 @@
+# System notes
+
+## Networking
+
+To setup networking without any network managers, dhcp client, etc.
+
+```
+# Add an address
+ip address add 192.168.0.120/24 broadcast + dev eth0
+
+# Add a route
+ip route add default via 192.168.0.1 dev eth0
+#or s|default|192.168.0.0/24|
+
+# Set up DNS in /etc/resolv.conf
+# nameserver 192.168.0.1
+# nameserver 8.8.8.8
+```

system/etc/connman/main.conf

@@ -3,6 +3,6 @@
 
 [General]
 AllowHostnameUpdates=false
-AllowDomainnameUpdates = false
+AllowDomainnameUpdates=false
 PreferredTechnologies=ethernet,wifi
 SingleConnectedTechnology=true

system/etc/dhcpcd.conf

@@ -0,0 +1,20 @@
+# Typical config for static IP with dhcpcd
+# https://wiki.archlinux.org/title/Dhcpcd
+
+interface eth0
+static ip_address=192.168.0.10/24
+static routers=192.168.0.1
+static domain_name_servers=192.168.0.1 8.8.8.8
+
+# ------------------------------------------ #
+# To setup fallback profile:
+#
+# define static profile
+# profile static_eth0
+# static ip_address=192.168.1.23/24
+# static routers=192.168.1.1
+# static domain_name_servers=192.168.1.1
+#
+# fallback to static profile on eth0
+# interface eth0
+# fallback static_eth0

system/etc/iwd/main.conf

@@ -0,0 +1,18 @@
+# Start dhcpcd service on a specified interface, eg. `dhcpcd -B eth0`
+# so that it doesn't interfere with iwd's own dhcp client
+
+[General]
+EnableNetworkConfiguration=true
+UseDefaultInterface=true
+# Only use this when the specified config for the interface has
+# `AlwaysRandomizeAddress=true` in it,
+# eg. /var/lib/iwd/mywifi.psk
+#AddressRandomization=true
+
+[Network]
+RoutePriorityOffset=200
+EnableIPv6=true
+NameResolvingService=resolvconf
+
+[Scan]
+DisablePeriodicScan=true

system/etc/network/interfaces

@@ -0,0 +1,17 @@
+# Alpine Linux dhcp configuration for static IP
+# Also manually set DNS in /etc/resolv.conf
+# eg.
+# nameserver 192.168.0.1
+# nameserver 8.8.8.8
+
+auto lo
+iface lo inet loopback
+
+auto eth0
+iface eth0 inet static
+    address 192.168.0.147
+    netmask 255.255.255.0
+    gateway 192.168.0.1
+# For default dynamic IP address
+#auto eth0
+#iface eth0 inet dhcp

system/usr/lib/elogind/system-sleep/lock

@@ -2,7 +2,7 @@
 
 # Lock before suspend integration with elogind
 
-username=follie
+username=[username]
 export XAUTHORITY="/run/user/1000/Xauthority"
 export DISPLAY=":0"
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