mirror of
https://github.com/spiritLHLS/one-click-installation-script.git
synced 2024-11-16 15:32:19 +08:00
101 lines
3.9 KiB
Bash
101 lines
3.9 KiB
Bash
#!/bin/bash
|
||
#by spiritlhl
|
||
#from https://github.com/spiritLHLS/one-click-installation-script
|
||
#version: 2022.12.17
|
||
|
||
|
||
head() {
|
||
# 支持系统：Ubuntu 18+，Debian 8+，centos 7+，Fedora，Almalinux 8.5+
|
||
ver="2022.12.17"
|
||
changeLog="一键修复linux网络脚本"
|
||
clear
|
||
echo "#######################################################################"
|
||
echo "# ${YELLOW}一键修复linux网络脚本${PLAIN} #"
|
||
echo "# 版本：$ver #"
|
||
echo "# 更新日志：$changeLog #"
|
||
echo "# ${GREEN}作者${PLAIN}: spiritlhl #"
|
||
echo "# ${GREEN}作仓库${PLAIN}: https://github.com/spiritLHLS/one-click-installation-script #"
|
||
echo "#######################################################################"
|
||
echo "支持系统：Ubuntu 18+，Debian 8+，centos 7+，Fedora，Almalinux 8.5+"
|
||
echo "1.检测ping谷歌有问题修改nameserver为google源或cloudflare源"
|
||
echo "2.检测ping谷歌还有问题尝试修复为IP类型对应的网络优先级(默认IPV4类型，纯V6类型再替换为IPV6类型)"
|
||
# Display prompt asking whether to proceed with checking and changing
|
||
read -p "Do you want to proceed with checking and changing nameserver? [y/n] " -n 1 confirm
|
||
echo ""
|
||
|
||
# Check user's input and exit if they do not want to proceed
|
||
if [ "$confirm" != "y" ]; then
|
||
exit 0
|
||
fi
|
||
}
|
||
|
||
|
||
main() {
|
||
# Check if ping to google.com is successful
|
||
if ping -c 1 google.com; then
|
||
echo "Ping successful"
|
||
else
|
||
echo "Ping failed. Checking nameserver."
|
||
|
||
# Check current nameserver
|
||
nameserver=$(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."
|
||
|
||
# Display prompt asking whether to proceed with checking and changing priority
|
||
read -p "Do you want to proceed with checking and changing network priority? [y/n] " -n 1 priority
|
||
echo ""
|
||
|
||
# Check user's input and exit if they do not want to proceed
|
||
if [ "$priority" != "y" ]; then
|
||
exit 0
|
||
fi
|
||
|
||
# Check IP type and network priority
|
||
ip_type=$(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
|
||
|
||
# Try to ping again after modifying network priority
|
||
if ping -c 1 google.com; then
|
||
echo "Ping successful after modifying network priority"
|
||
else
|
||
echo "Network problem is not related to nameserver or network priority."
|
||
fi
|
||
fi
|
||
fi
|
||
fi
|
||
}
|
||
|
||
head
|
||
main
|