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fixed dns

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This commit is contained in:
Bryan Joshua Pedini
2026-07-11 12:42:42 +02:00
parent 5fdb21e1ac
commit 7ddaa79589
1 changed files with 8 additions and 1 deletions
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9
postinstall/init.sh
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@@ -3,12 +3,13 @@
# Sometimes the network is slow, wait a bit # Sometimes the network is slow, wait a bit
sleep 10 sleep 10
# Get the current DHCP network address (and gateway) # Get the current DHCP network address, gateway and DNS servers
NIC=$(ip link | grep "^2:" | awk '{print $2}' | tr -d ":") NIC=$(ip link | grep "^2:" | awk '{print $2}' | tr -d ":")
IP_ADDRESS=$(ip address show ${NIC} | grep -E "inet " | awk '{print $2}') IP_ADDRESS=$(ip address show ${NIC} | grep -E "inet " | awk '{print $2}')
NETMASK=$(echo ${IP_ADDRESS} | sed 's/.*\///') NETMASK=$(echo ${IP_ADDRESS} | sed 's/.*\///')
IP_ADDRESS=$(echo ${IP_ADDRESS} | sed 's/\/.*//') IP_ADDRESS=$(echo ${IP_ADDRESS} | sed 's/\/.*//')
GATEWAY=$(ip route | grep "default" | awk '{print $3}') GATEWAY=$(ip route | grep "default" | awk '{print $3}')
DNS_SERVERS=$(awk '/^nameserver/ {print $2}' /etc/resolv.conf)
# Network interfaces (static address) # Network interfaces (static address)
cat << EOF > /etc/network/interfaces cat << EOF > /etc/network/interfaces
@@ -19,10 +20,16 @@ auto ${NIC}
iface ${NIC} inet static iface ${NIC} inet static
address ${IP_ADDRESS}/${NETMASK} address ${IP_ADDRESS}/${NETMASK}
gateway ${GATEWAY} gateway ${GATEWAY}
dns-nameservers ${DNS_SERVERS}
EOF EOF
# Tabs instead of spaces, neat the file # Tabs instead of spaces, neat the file
sed -i 's/ /\t/gm' /etc/network/interfaces sed -i 's/ /\t/gm' /etc/network/interfaces
# write a static resolv.conf
rm -f /etc/resolv.conf
for ns in ${DNS_SERVERS}; do
echo "nameserver ${ns}" >> /etc/resolv.conf
done
# Hosts file # Hosts file
cat << EOF > /etc/hosts cat << EOF > /etc/hosts