Centos7安装openvpn客户端

Background

• 关于openvpn服务端的部署配置可参考：【Docker安装pritunl】【Centos7使用docke搭建openV】
• openvpn windows 客户端下载地址

1、下载安装

yum -y install epel-release
yum -y install openvpn
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• 问题：Error: pritunl-openvpn conflicts with openvpn-2.4.12-1.el7.x86_64
  
• 解决方法：类似这种依赖冲突的，把冲突的卸载就行了。

rpm -qa | grep pritunl-openvpn-2.5.8-1.el7.centos.x86_64
rpm -e --nodeps pritunl-openvpn-2.5.8-1.el7.centos.x86_64
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• 最终默认安装在目录 /etc/openvpn
  

2、配置

• 把客户端的配置文件.ovpn上传到/etc/openvpn/client目录下
• 创建日志目录
• 创建操作脚本

cd /etc/openvpn/
mkdir logs
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• 操作脚本 vpn-client-operator.sh

#/bin/bash

:<<!
【脚本说明】
1、此脚本用于操作某一程序；
2、需要配置程序的启动命令；
3、支持服务启动、停止、重启、查看状态、查看日志、更新配置文件；
!

# 进程名称
operate=$1

# 配置程序
dir_home=$(cd $(dirname $0);pwd)
app="openvpn --daemon --cd $dir_home/client"
pid_1=`ps -ef | grep "$app" | grep -v grep | awk '{print $2}'`
conf_file=$(cd $dir_home/client;ls)
log_file=$dir_home/logs/openvpn.log

# 提示信息
msg='Please input params 【<run|kil|res|sta|log>】'

# 定制化shell输出
function custom_print(){
    echo -e "\033[5;34m ***** \033[0m"
    echo -e "\033[32m $@ ! \033[0m"
    echo -e "\033[5;34m ***** \033[0m"
}

# 启动命令
function run(){
    run_cmd="$app --config $conf_file --log-append $log_file"
    $run_cmd
}

# 启动服务
if [[ $operate = "run" || $operate = "start" ]]; then
    if [[ ! $pid_1 ]]; then
        run
        msg='Start success'
        custom_print $msg
    else
        msg='The service is already running'
        custom_print $msg
    fi

# 停止服务
elif [[ $operate = "kil" || $operate = "stop" ]]; then
    if [[ $pid_1 ]]; then
        kill -9 $pid_1
        msg='Stopped success'
        custom_print $msg
    else
        # 服务早已停止或未启动
        msg='The service is already down'
        custom_print $msg
    fi

# 重启服务
elif [[ $operate = "res" || $operate = "restart" ]]; then
    if [[ $pid_1 ]]; then
        kill -9 $pid_1
    fi
    run
    msg='Restart success'
    custom_print $msg

# 查看服务运行状态
elif [[ $operate = "sta" || $operate = "status" ]]; then
    if [[ $pid_1 ]]; then
        # 黄底蓝字
        echo -e "\033[43;34m RUNNING \033[0m"
    else
        # 蓝底黑字
        echo -e "\033[44;30m STOPPED \033[0m"
    fi

# 查看服务运行日志
elif [[ $operate = "log" ]]; then
    if [[ -e $log_file ]]; then
        tail -f $log_file
    else
        msg="No logs have been generated so far"
        custom_print $msg
    fi

else
    custom_print $msg
fi
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3、启动

sh vpn-client-operator.sh run
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