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centos_install_v2ray.sh
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centos_install_v2ray.sh
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#!/bin/bash
# v2ray centos系统一键安装教程
# Author: hijk<https://www.hijk.pw>
echo "#############################################################"
echo "# CentOS 7/8 v2ray 一键安装脚本 #"
echo "# 网址: https://www.hijk.pw #"
echo "# 作者: hijk #"
echo "#############################################################"
echo ""
red='\033[0;31m'
green="\033[0;32m"
plain='\033[0m'
function checkSystem()
{
result=$(id | awk '{print $1}')
if [ $result != "uid=0(root)" ]; then
echo "请以root身份执行该脚本"
exit 1
fi
if [ ! -f /etc/centos-release ];then
res=`which yum`
if [ "$?" != "0" ]; then
echo "系统不是CentOS"
exit 1
fi
else
result=`cat /etc/centos-release|grep -oE "[0-9.]+"`
main=${result%%.*}
if [ $main -lt 7 ]; then
echo "不受支持的CentOS版本"
exit 1
fi
fi
}
function getData()
{
while true
do
read -p "请输入v2ray的端口[1-65535]:" port
[ -z "$port" ] && port="21568"
expr $port + 0 &>/dev/null
if [ $? -eq 0 ]; then
if [ $port -ge 1 ] && [ $port -le 65535 ]; then
echo ""
echo "端口号: $port"
echo ""
break
else
echo "输入错误,端口号为1-65535的数字"
fi
else
echo "输入错误,端口号为1-65535的数字"
fi
done
}
function preinstall()
{
sed -i 's/#ClientAliveInterval 0/ClientAliveInterval 60/' /etc/ssh/sshd_config
systemctl restart sshd
ret=`nginx -t`
if [ "$?" != "0" ]; then
echo "更新系统..."
yum update -y
fi
echo "安装必要软件"
yum install -y epel-release telnet wget vim net-tools ntpdate unzip
yum install -y nginx
systemctl enable nginx && systemctl start nginx
if [ -s /etc/selinux/config ] && grep 'SELINUX=enforcing' /etc/selinux/config; then
sed -i 's/SELINUX=enforcing/SELINUX=permissive/g' /etc/selinux/config
setenforce 0
fi
}
function installV2ray()
{
echo 安装v2ray...
bash <(curl -L -s https://install.direct/go.sh)
if [ ! -f /etc/v2ray/config.json ]; then
bash <(curl -sL https://raw.githubusercontent.com/hijkpw/scripts/master/goV2.sh)
if [ ! -f /etc/v2ray/config.json ]; then
echo "安装失败,请到 https://www.hijk.pw 网站反馈"
exit 1
fi
fi
sed -i -e "s/port\":.*[0-9]*,/port\": ${port},/" /etc/v2ray/config.json
logsetting=`cat /etc/v2ray/config.json|grep loglevel`
if [ "${logsetting}" = "" ]; then
sed -i '1a\ "log": {\n "loglevel": "info",\n "access": "/var/log/v2ray/access.log",\n "error": "/var/log/v2ray/error.log"\n },' /etc/v2ray/config.json
fi
alterid=`shuf -i50-90 -n1`
sed -i -e "s/alterId\":.*[0-9]*/alterId\": ${alterid}/" /etc/v2ray/config.json
uid=`cat /etc/v2ray/config.json | grep id | cut -d: -f2 | tr -d \",' '`
ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
ntpdate -u time.nist.gov
systemctl enable v2ray && systemctl restart v2ray
sleep 3
res=`netstat -ntlp| grep ${port} | grep v2ray`
if [ "${res}" = "" ]; then
echo “v2ray启动失败,请检查端口是否已被占用!”
exit 1
fi
echo "v2ray安装成功!"
}
function setFirewall()
{
systemctl status firewalld > /dev/null 2>&1
if [ $? -eq 0 ];then
firewall-cmd --permanent --add-port=${port}/tcp
firewall-cmd --permanent --add-port=${port}/udp
firewall-cmd --permanent --add-service=http
firewall-cmd --reload
fi
}
function installBBR()
{
result=$(lsmod | grep bbr)
if [ "$result" != "" ]; then
echo BBR模块已安装
bbr=true
echo "3" > /proc/sys/net/ipv4/tcp_fastopen
echo "net.ipv4.tcp_fastopen = 3" >> /etc/sysctl.conf
return;
fi
echo 安装BBR模块...
rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
rpm -Uvh https://www.elrepo.org/elrepo-release-7.0-4.el7.elrepo.noarch.rpm
yum --enablerepo=elrepo-kernel install kernel-ml -y
grub2-set-default 0
echo "tcp_bbr" >> /etc/modules-load.d/modules.conf
echo "net.core.default_qdisc=fq" >> /etc/sysctl.conf
echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf
echo "3" > /proc/sys/net/ipv4/tcp_fastopen
echo "net.ipv4.tcp_fastopen = 3" >> /etc/sysctl.conf
bbr=false
}
function info()
{
if [ ! -f /etc/v2ray/config.json ]; then
echo -e "${red}未安装v2ray!${plain}"
exit 1
fi
ip=`curl -s -4 icanhazip.com`
port=`cat /etc/v2ray/config.json | grep port | cut -d: -f2 | tr -d \",' '`
res=`netstat -nltp | grep ${port} | grep v2ray`
[ -z "$res" ] && status="${red}已停止${plain}" || status="${green}正在运行${plain}"
uid=`cat /etc/v2ray/config.json | grep id | cut -d: -f2 | tr -d \",' '`
alterid=`cat /etc/v2ray/config.json | grep alterId | cut -d: -f2 | tr -d \",' '`
res=`cat /etc/v2ray/config.json | grep network`
[ -z "$res" ] && network="tcp" || network=`cat /etc/v2ray/config.json | grep network | cut -d: -f2 | tr -d \",' '`
security="auto"
echo ============================================
echo -e " v2ray运行状态:${status}"
echo -e " v2ray配置文件:${red}/etc/v2ray/config.json${plain}"
echo ""
echo -e "${red}v2ray配置信息:${plain} "
echo -e " IP(address): ${red}${ip}${plain}"
echo -e " 端口(port):${red}${port}${plain}"
echo -e " id(uuid):${red}${uid}${plain}"
echo -e " 额外id(alterid): ${red}${alterid}${plain}"
echo -e " 加密方式(security): ${red}$security${plain}"
echo -e " 传输协议(network): ${red}${network}${plain}"
echo
echo ============================================
}
function bbrReboot()
{
if [ "${bbr}" == "false" ]; then
echo
echo 为使BBR模块生效,系统将在30秒后重启
echo
echo -e "您可以按 ctrl + c 取消重启,稍后输入 ${red}reboot${plain} 重启系统"
sleep 30
reboot
fi
}
function install()
{
echo -n "系统版本: "
cat /etc/centos-release
checkSystem
getData
preinstall
installBBR
installV2ray
setFirewall
info
bbrReboot
}
function uninstall()
{
read -p "您确定真的要卸载v2ray吗?(y/n)" answer
[ -z ${answer} ] && answer="n"
if [ "${answer}" == "y" ] || [ "${answer}" == "Y" ]; then
systemctl stop v2ray
systemctl disable v2ray
rm -rf /etc/v2ray/*
rm -rf /usr/bin/v2ray/*
rm -rf /var/log/v2ray/*
rm -rf /etc/systemd/system/v2ray.service
echo -e " ${red}卸载成功${plain}"
fi
}
action=$1
[ -z $1 ] && action=install
case "$action" in
install|uninstall|info)
${action}
;;
*)
echo "参数错误"
echo "用法: `basename $0` [install|uninstall]"
;;
esac