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Update InstallNET.sh

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Molly Lau 2023-06-30 08:08:34 +09:00 • committed by GitHub
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Linux_reinstall/InstallNET.sh
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@ -478,8 +478,23 @@ function getIPv4Address() {
ipv4SubnetCertificate "$ipAddr" "$ipGate"
ipPrefix="$tmpIpMask"
ipMask=`netmask "$tmpIpMask"`
# Some servers' provided by Hetzner are so confused because the IPv4 configurations of them are static but they are not fitted with standard, here is a sample:
# address: 89.163.208.5
# gateway: 169.254.0.1
# netmask: 255.255.255.0
#
# The A class of address and gateway are entirely different, although we should make sure the value of the suggested subnet mask is "128.0.0.1"(prefix "1")
# to expand IPv4 range as large as possible, but in above situation, the largest IPv4 range is from 0.0.0.0 to 127.255.255.255, the IPv4 gate "169.254.0.1"
# can't be included, so the reserve approach is to assign dhcp method for Linux net-boot installer to inherit these weird settings from upstream network router.
# IPv4 network from Hetzner support dhcp even though it's configurated by static in "/etc/network/interfaces".
ip4RangeFirst=`ipv4Calc "$ipAddr" "$ipPrefix" | grep "FirstIP:" | awk '{print$2}' | cut -d'.' -f1`
ip4RangeLast=`ipv4Calc "$ipAddr" "$ipPrefix" | grep "LastIP:" | awk '{print$2}' | cut -d'.' -f1`
ip4GateFirst=`echo $ipGate | cut -d'.' -f1`
[[ "$ip4GateFirst" -gt "$ip4RangeLast" || "$ip4GateFirst" -lt "$ip4RangeFirst" ]] && {
Network4Config="isDHCP"
}
}
# So in summary of the IPv4 sample in above, we should assign subnet mask "128.0.0.1"(prefix is "1") for it.
# So in summary of the IPv4 sample in above, we should assign subnet mask "128.0.0.1"(prefix "1") for it.
}
function netmask() {