Update ip.sh

Author: Daniel Hansson

static/ip.sh

@@ -1,34 +1,35 @@
 #!/bin/sh
 
+# This file is only used if IFACE fail in the startup-script
+
 IFCONFIG="/sbin/ifconfig"
 INTERFACES="/etc/network/interfaces"
 
-IFACE=$(lshw -c network | grep "logical name" | awk '{print $3; exit}')
-ADDRESS=$($IFCONFIG | grep -Eo 'inet (addr:)?([0-9]*\.){3}[0-9]*' | grep -Eo '([0-9]*\.){3}[0-9]*' | grep -v '127.0.0.1')
+IFACE=$(ip -o link show | awk '{print $2,$9}' | grep 'UP' | cut -d ':' -f 1)
+ADDRESS=$(hostname -I | cut -d ' ' -f 1)
 NETMASK=$($IFCONFIG | grep -w inet |grep -v 127.0.0.1| awk '{print $4}' | cut -d ":" -f 2)
 GATEWAY=$(route -n|grep "UG"|grep -v "UGH"|cut -f 10 -d " ")
 
 cat <<-IPCONFIG > "$INTERFACES"
 source /etc/network/interfaces.d/*
-
 # The loopback network interface
-        auto lo $IFACE
-        iface lo inet loopback
-
+auto lo $IFACE
+iface lo inet loopback
 # The primary network interface
-        iface $IFACE inet static
-                pre-up /sbin/ethtool -K $IFACE tso off
-                pre-up /sbin/ethtool -K $IFACE gso off
-
+iface $IFACE inet static
+pre-up /sbin/ethtool -K $IFACE tso off
+pre-up /sbin/ethtool -K $IFACE gso off
+# Fixes https://github.com/nextcloud/vm/issues/92:
+pre-up ip link set dev $IFACE mtu 1430
 # Best practice is to change the static address
 # to something outside your DHCP range.
-                address $ADDRESS
-                netmask $NETMASK
-                gateway $GATEWAY
-
+address $ADDRESS
+netmask $NETMASK
+gateway $GATEWAY
+# This is an autoconfigured IPv6 interface
+# iface $IFACE inet6 auto
 # Exit and save:	[CTRL+X] + [Y] + [ENTER]
 # Exit without saving:	[CTRL+X]
-
 IPCONFIG
 
 exit 0