mirror of
https://github.com/spiritLHLS/one-click-installation-script.git
synced 2024-11-16 22:33:32 +08:00
50 lines
1.8 KiB
Bash
50 lines
1.8 KiB
Bash
|
#!/bin/bash
|
||
|
|
|
||
|
|
# Try to ping Google.com
|
||
|
|
if ping -c 1 google.com; then
|
||
|
|
echo "Ping successful"
|
||
|
|
else
|
||
|
|
echo "Ping failed. Checking nameserver."
|
||
|
|
|
||
|
|
# Check current nameserver
|
||
|
|
nameserver=$(cat /etc/resolv.conf | grep nameserver | awk '{print $2}')
|
||
|
|
echo "Current nameserver: $nameserver"
|
||
|
|
|
||
|
|
# Try using Google's nameserver
|
||
|
|
echo "Trying Google's nameserver: 8.8.8.8"
|
||
|
|
sudo sed -i "s/$nameserver/8.8.8.8/g" /etc/resolv.conf
|
||
|
|
if ping -c 1 google.com; then
|
||
|
|
echo "Ping successful with Google's nameserver"
|
||
|
|
else
|
||
|
|
echo "Ping failed with Google's nameserver. Trying Cloudflare's nameserver."
|
||
|
|
|
||
|
|
# Try using Cloudflare's nameserver
|
||
|
|
echo "Trying Cloudflare's nameserver: 1.1.1.1"
|
||
|
|
sudo sed -i "s/8.8.8.8/1.1.1.1/g" /etc/resolv.conf
|
||
|
|
if ping -c 1 google.com; then
|
||
|
|
echo "Ping successful with Cloudflare's nameserver"
|
||
|
|
else
|
||
|
|
echo "Ping failed with Cloudflare's nameserver. Checking network configuration."
|
||
|
|
|
||
|
|
# Check IP type and network priority
|
||
|
|
ip_type=$(curl -s ip.sb | grep -oP '(?<=is )(.+)(?=\.)')
|
||
|
|
echo "IP type: $ip_type"
|
||
|
|
if [ "$ip_type" = "IPv4" ]; then
|
||
|
|
priority=$(cat /etc/gai.conf | grep -oP '(?<=precedence ::ffff:0:0\/96 )\d+')
|
||
|
|
else
|
||
|
|
priority=$(cat /etc/gai.conf | grep -oP '(?<=precedence ::/0 )\d+')
|
||
|
|
fi
|
||
|
|
echo "Network priority: $priority"
|
||
|
|
|
||
|
|
# Modify network priority if necessary
|
||
|
|
if [ "$ip_type" = "IPv4" ] && [ "$priority" -gt "100" ]; then
|
||
|
|
sudo sed -i 's/precedence ::ffff:0:0\/96 100/precedence ::ffff:0:0\/96 50/' /etc/gai.conf
|
||
|
|
elif [ "$ip_type" = "IPv6" ] && [ "$priority" -lt "100" ]; then
|
||
|
|
sudo sed -i 's/precedence ::\/0 50/precedence ::\/0 100/' /etc/gai.conf
|
||
|
|
else
|
||
|
|
echo "Network configuration is correct."
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
fi
|