教程:L2TP/IPsec VPN 服务器爬墙一键脚本安装教程 文末可打赏

搬瓦工VPS

有时候,我很佩服我自己

一个非技术专业的人,从对互联网的兴趣到今天,几乎所有的东西都是自己自学来的,希望和大家共勉,但我也欠大家不要死磕,我就是一个苦逼!

起因:

一个群友加群后要搭L2TP服务,直接就加我好友,请我宵夜,我这也不好拒绝,就硬着头皮给搭建。我想的倒是简单,拿了别人的一键脚本上去就干,干完发现连不上。这下好了,折腾一下,2个小时过去了,后面还是给我把问题搞定了。下面跟大家详细介绍:

关于L2TP/IPsec:

L2TP(Layer 2 Tunneling Protocol,二层隧道协议)是VPDN(Virtual Private Dial-up Network,虚拟私有拨号网)隧道协议的一种。简单说理解为一种拨号上网的方式

IPsec VPN 可以加密你的网络流量,以防止在通过因特网传送时,你和 VPN 服务器之间的任何人对你的数据的未经授权的访问。在使用不安全的网络时,这是特别有用的,例如在咖啡厅,机场或旅馆房间。

L2TP/IPsec的优点和缺点

优点:无需下载客户端、win10, IOS,安卓手机都用相应的链接方式。

缺点:速度和被墙概率尚未知晓。

VPS服务器选择:

安装之前,大家得保证有一台服务器,服务器可以选购:搬瓦工Vultr糖果主机DigitalOceanHawk HostHostgator(国际版)、阿里云国际腾讯云国际

系统要求可用于 Ubuntu/Debian/CentOS 系统。

Ubuntu LTS, Debian一键脚本:

wget https://git.io/vpnsetup -O vpnsetup.sh && sudo sh vpnsetup.sh

下面为Centos 6 / 7 或者其他更高版本安装方法

Centos 搭建方法步骤如下:(需要帮忙搭建请加群联系群主

[一]: 新建一个文件 install_wervpsl2tp
连接ssh后,执行命令vi install_wervpsl2tp, 然后按键i进入编辑模式,然后鼠标点击右键,选择粘贴, 将下面这部分代码粘贴进去.
粘贴完成后, 按Esc键,然后依次按键盘:wq(冒号,w,q),然后,按回车键

文件内容如下:

#!/bin/sh
#
# Script for automatic setup of an IPsec VPN server on CentOS/RHEL 6 and 7.
# Works on any dedicated server or virtual private server (VPS) except OpenVZ.
#
# DO NOT RUN THIS SCRIPT ON YOUR PC OR MAC!
#
# The latest version of this script is available at:
# https://github.com/hwdsl2/setup-ipsec-vpn
#
# Copyright (C) 2015-2019 Lin Song <[email protected]>
# Based on the work of Thomas Sarlandie (Copyright 2012)
#
# This work is licensed under the Creative Commons Attribution-ShareAlike 3.0
# Unported License: http://creativecommons.org/licenses/by-sa/3.0/
#
# Attribution required: please include my name in any derivative and let me
# know how you have improved it!

# =====================================================

# Define your own values for these variables
# - IPsec pre-shared key, VPN username and password
# - All values MUST be placed inside 'single quotes'
# - DO NOT use these special characters within values: \ " '

YOUR_IPSEC_PSK=''
YOUR_USERNAME=''
YOUR_PASSWORD=''

# Important notes:   https://git.io/vpnnotes
# Setup VPN clients: https://git.io/vpnclients

# =====================================================

export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
SYS_DT=$(date +%F-%T)

exiterr()  { echo "Error: $1" >&2; exit 1; }
exiterr2() { exiterr "'yum install' failed."; }
conf_bk() { /bin/cp -f "$1" "$1.old-$SYS_DT" 2>/dev/null; }
bigecho() { echo; echo "## $1"; echo; }

check_ip() {
  IP_REGEX='^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$'
  printf '%s' "$1" | tr -d '\n' | grep -Eq "$IP_REGEX"
}

vpnsetup() {

if ! grep -qs -e "release 6" -e "release 7" /etc/redhat-release; then
  exiterr "This script only supports CentOS/RHEL 6 and 7."
fi

if [ -f /proc/user_beancounters ]; then
  exiterr "OpenVZ VPS is not supported. Try OpenVPN: github.com/Nyr/openvpn-install"
fi

if [ "$(id -u)" != 0 ]; then
  exiterr "Script must be run as root. Try 'sudo sh $0'"
fi

def_iface=$(route 2>/dev/null | grep -m 1 '^default' | grep -o '[^ ]*$')
[ -z "$def_iface" ] && def_iface=$(ip -4 route list 0/0 2>/dev/null | grep -m 1 -Po '(?<=dev )(\S+)')
def_state=$(cat "/sys/class/net/$def_iface/operstate" 2>/dev/null)
if [ -n "$def_state" ] && [ "$def_state" != "down" ]; then
  case "$def_iface" in
    wl*)
      exiterr "Wireless interface '$def_iface' detected. DO NOT run this script on your PC or Mac!"
      ;;
  esac
  NET_IFACE="$def_iface"
else
  eth0_state=$(cat "/sys/class/net/eth0/operstate" 2>/dev/null)
  if [ -z "$eth0_state" ] || [ "$eth0_state" = "down" ]; then
    exiterr "Could not detect the default network interface."
  fi
  NET_IFACE=eth0
fi

[ -n "$YOUR_IPSEC_PSK" ] && VPN_IPSEC_PSK="$YOUR_IPSEC_PSK"
[ -n "$YOUR_USERNAME" ] && VPN_USER="$YOUR_USERNAME"
[ -n "$YOUR_PASSWORD" ] && VPN_PASSWORD="$YOUR_PASSWORD"

if [ -z "$VPN_IPSEC_PSK" ] && [ -z "$VPN_USER" ] && [ -z "$VPN_PASSWORD" ]; then
  bigecho "VPN credentials not set by user. Generating random PSK and password..."
  VPN_IPSEC_PSK=$(LC_CTYPE=C tr -dc 'A-HJ-NPR-Za-km-z2-9' < /dev/urandom | head -c 20)
  VPN_USER=vpnuser
  VPN_PASSWORD=$(LC_CTYPE=C tr -dc 'A-HJ-NPR-Za-km-z2-9' < /dev/urandom | head -c 16)
fi

if [ -z "$VPN_IPSEC_PSK" ] || [ -z "$VPN_USER" ] || [ -z "$VPN_PASSWORD" ]; then
  exiterr "All VPN credentials must be specified. Edit the script and re-enter them."
fi

if printf '%s' "$VPN_IPSEC_PSK $VPN_USER $VPN_PASSWORD" | LC_ALL=C grep -q '[^ -~]\+'; then
  exiterr "VPN credentials must not contain non-ASCII characters."
fi

case "$VPN_IPSEC_PSK $VPN_USER $VPN_PASSWORD" in
  *[\\\"\']*)
    exiterr "VPN credentials must not contain these special characters: \\ \" '"
    ;;
esac

bigecho "VPN setup in progress... Please be patient."

# Create and change to working dir
mkdir -p /opt/src
cd /opt/src || exit 1

bigecho "Installing packages required for setup..."

yum -y install wget bind-utils openssl \
  iptables iproute gawk grep sed net-tools || exiterr2

bigecho "Trying to auto discover IP of this server..."

cat <<'EOF'
In case the script hangs here for more than a few minutes,
press Ctrl-C to abort. Then edit it and manually enter IP.
EOF

# In case auto IP discovery fails, enter server's public IP here.
PUBLIC_IP=${VPN_PUBLIC_IP:-''}

[ -z "$PUBLIC_IP" ] && PUBLIC_IP=$(dig @resolver1.opendns.com -t A -4 myip.opendns.com +short)

check_ip "$PUBLIC_IP" || PUBLIC_IP=$(wget -t 3 -T 15 -qO- http://ipv4.icanhazip.com)
check_ip "$PUBLIC_IP" || exiterr "Cannot detect this server's public IP. Edit the script and manually enter it."

bigecho "Adding the EPEL repository..."

epel_url="https://dl.fedoraproject.org/pub/epel/epel-release-latest-$(rpm -E '%{rhel}').noarch.rpm"
yum -y install epel-release || yum -y install "$epel_url" || exiterr2

bigecho "Installing packages required for the VPN..."

REPO1='--enablerepo=epel'
REPO2='--enablerepo=*server-optional*'
REPO3='--enablerepo=*releases-optional*'

yum -y install nss-devel nspr-devel pkgconfig pam-devel \
  libcap-ng-devel libselinux-devel curl-devel \
  flex bison gcc make ppp || exiterr2

yum "$REPO1" -y install xl2tpd || exiterr2

if grep -qs "release 6" /etc/redhat-release; then
  yum -y remove libevent-devel
  yum "$REPO2" "$REPO3" -y install libevent2-devel fipscheck-devel || exiterr2
else
  yum -y install systemd-devel iptables-services || exiterr2
  yum "$REPO2" "$REPO3" -y install libevent-devel fipscheck-devel || exiterr2
fi

case "$(uname -r)" in
  4.1[456]*)
    if grep -qs "release 6" /etc/redhat-release; then
      L2TP_VER=1.3.12
      l2tp_dir="xl2tpd-$L2TP_VER"
      l2tp_file="$l2tp_dir.tar.gz"
      l2tp_url="https://github.com/xelerance/xl2tpd/archive/v$L2TP_VER.tar.gz"
      yum "$REPO2" "$REPO3" -y install libpcap-devel || exiterr2
      wget -t 3 -T 30 -nv -O "$l2tp_file" "$l2tp_url" || exit 1
      /bin/rm -rf "/opt/src/$l2tp_dir"
      tar xzf "$l2tp_file" && /bin/rm -f "$l2tp_file"
      cd "$l2tp_dir" && make -s 2>/dev/null && PREFIX=/usr make -s install
      cd /opt/src || exit 1
      /bin/rm -rf "/opt/src/$l2tp_dir"
    fi
    ;;
esac

bigecho "Installing Fail2Ban to protect SSH..."

yum "$REPO1" -y install fail2ban || exiterr2

bigecho "Compiling and installing Libreswan..."

SWAN_VER=3.27
swan_file="libreswan-$SWAN_VER.tar.gz"
swan_url1="https://github.com/libreswan/libreswan/archive/v$SWAN_VER.tar.gz"
swan_url2="https://download.libreswan.org/$swan_file"
if ! { wget -t 3 -T 30 -nv -O "$swan_file" "$swan_url1" || wget -t 3 -T 30 -nv -O "$swan_file" "$swan_url2"; }; then
  exit 1
fi
/bin/rm -rf "/opt/src/libreswan-$SWAN_VER"
tar xzf "$swan_file" && /bin/rm -f "$swan_file"
cd "libreswan-$SWAN_VER" || exit 1
cat > Makefile.inc.local <<'EOF'
WERROR_CFLAGS =
USE_DNSSEC = false
USE_DH31 = false
USE_GLIBC_KERN_FLIP_HEADERS = true
EOF
NPROCS=$(grep -c ^processor /proc/cpuinfo)
[ -z "$NPROCS" ] && NPROCS=1
make "-j$((NPROCS+1))" -s base && make -s install-base

cd /opt/src || exit 1
/bin/rm -rf "/opt/src/libreswan-$SWAN_VER"
if ! /usr/local/sbin/ipsec --version 2>/dev/null | grep -qF "$SWAN_VER"; then
  exiterr "Libreswan $SWAN_VER failed to build."
fi

bigecho "Creating VPN configuration..."

L2TP_NET=${VPN_L2TP_NET:-'192.168.42.0/24'}
L2TP_LOCAL=${VPN_L2TP_LOCAL:-'192.168.42.1'}
L2TP_POOL=${VPN_L2TP_POOL:-'192.168.42.10-192.168.42.250'}
XAUTH_NET=${VPN_XAUTH_NET:-'192.168.43.0/24'}
XAUTH_POOL=${VPN_XAUTH_POOL:-'192.168.43.10-192.168.43.250'}
DNS_SRV1=${VPN_DNS_SRV1:-'8.8.8.8'}
DNS_SRV2=${VPN_DNS_SRV2:-'8.8.4.4'}
DNS_SRVS="\"$DNS_SRV1 $DNS_SRV2\""
[ -n "$VPN_DNS_SRV1" ] && [ -z "$VPN_DNS_SRV2" ] && DNS_SRVS="$DNS_SRV1"

# Create IPsec config
conf_bk "/etc/ipsec.conf"
cat > /etc/ipsec.conf <<EOF
version 2.0

config setup
  virtual-private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12,%v4:!$L2TP_NET,%v4:!$XAUTH_NET
  protostack=netkey
  interfaces=%defaultroute
  uniqueids=no

conn shared
  left=%defaultroute
  leftid=$PUBLIC_IP
  right=%any
  encapsulation=yes
  authby=secret
  pfs=no
  rekey=no
  keyingtries=5
  dpddelay=30
  dpdtimeout=120
  dpdaction=clear
  ike=aes256-sha2,aes128-sha2,aes256-sha1,aes128-sha1,aes256-sha2;modp1024,aes128-sha1;modp1024
  phase2alg=aes_gcm-null,aes128-sha1,aes256-sha1,aes256-sha2_512,aes128-sha2,aes256-sha2
  sha2-truncbug=yes

conn l2tp-psk
  auto=add
  leftprotoport=17/1701
  rightprotoport=17/%any
  type=transport
  phase2=esp
  also=shared

conn xauth-psk
  auto=add
  leftsubnet=0.0.0.0/0
  rightaddresspool=$XAUTH_POOL
  modecfgdns=$DNS_SRVS
  leftxauthserver=yes
  rightxauthclient=yes
  leftmodecfgserver=yes
  rightmodecfgclient=yes
  modecfgpull=yes
  xauthby=file
  ike-frag=yes
  ikev2=never
  cisco-unity=yes
  also=shared
EOF

# Specify IPsec PSK
conf_bk "/etc/ipsec.secrets"
cat > /etc/ipsec.secrets <<EOF
%any  %any  : PSK "$VPN_IPSEC_PSK"
EOF

# Create xl2tpd config
conf_bk "/etc/xl2tpd/xl2tpd.conf"
cat > /etc/xl2tpd/xl2tpd.conf <<EOF
[global]
port = 1701

[lns default]
ip range = $L2TP_POOL
local ip = $L2TP_LOCAL
require chap = yes
refuse pap = yes
require authentication = yes
name = l2tpd
pppoptfile = /etc/ppp/options.xl2tpd
length bit = yes
EOF

# Set xl2tpd options
conf_bk "/etc/ppp/options.xl2tpd"
cat > /etc/ppp/options.xl2tpd <<EOF
+mschap-v2
ipcp-accept-local
ipcp-accept-remote
noccp
auth
mtu 1280
mru 1280
proxyarp
lcp-echo-failure 4
lcp-echo-interval 30
connect-delay 5000
ms-dns $DNS_SRV1
EOF

if [ -z "$VPN_DNS_SRV1" ] || [ -n "$VPN_DNS_SRV2" ]; then
cat >> /etc/ppp/options.xl2tpd <<EOF
ms-dns $DNS_SRV2
EOF
fi

# Create VPN credentials
conf_bk "/etc/ppp/chap-secrets"
cat > /etc/ppp/chap-secrets <<EOF
"$VPN_USER" l2tpd "$VPN_PASSWORD" *
EOF

conf_bk "/etc/ipsec.d/passwd"
VPN_PASSWORD_ENC=$(openssl passwd -1 "$VPN_PASSWORD")
cat > /etc/ipsec.d/passwd <<EOF
$VPN_USER:$VPN_PASSWORD_ENC:xauth-psk
EOF

bigecho "Updating sysctl settings..."

if ! grep -qs "hwdsl2 VPN script" /etc/sysctl.conf; then
  conf_bk "/etc/sysctl.conf"
  if [ "$(getconf LONG_BIT)" = "64" ]; then
    SHM_MAX=68719476736
    SHM_ALL=4294967296
  else
    SHM_MAX=4294967295
    SHM_ALL=268435456
  fi
cat >> /etc/sysctl.conf <<EOF

# Added by hwdsl2 VPN script
kernel.msgmnb = 65536
kernel.msgmax = 65536
kernel.shmmax = $SHM_MAX
kernel.shmall = $SHM_ALL

net.ipv4.ip_forward = 1
net.ipv4.conf.all.accept_source_route = 0
net.ipv4.conf.all.accept_redirects = 0
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.all.rp_filter = 0
net.ipv4.conf.default.accept_source_route = 0
net.ipv4.conf.default.accept_redirects = 0
net.ipv4.conf.default.send_redirects = 0
net.ipv4.conf.default.rp_filter = 0
net.ipv4.conf.$NET_IFACE.send_redirects = 0
net.ipv4.conf.$NET_IFACE.rp_filter = 0

net.core.wmem_max = 12582912
net.core.rmem_max = 12582912
net.ipv4.tcp_rmem = 10240 87380 12582912
net.ipv4.tcp_wmem = 10240 87380 12582912
EOF
fi

bigecho "Updating IPTables rules..."

# Check if rules need updating
ipt_flag=0
IPT_FILE="/etc/sysconfig/iptables"
if ! grep -qs "hwdsl2 VPN script" "$IPT_FILE" \
   || ! iptables -t nat -C POSTROUTING -s "$L2TP_NET" -o "$NET_IFACE" -j MASQUERADE 2>/dev/null \
   || ! iptables -t nat -C POSTROUTING -s "$XAUTH_NET" -o "$NET_IFACE" -m policy --dir out --pol none -j MASQUERADE 2>/dev/null; then
  ipt_flag=1
fi

# Add IPTables rules for VPN
if [ "$ipt_flag" = "1" ]; then
  service fail2ban stop >/dev/null 2>&1
  iptables-save > "$IPT_FILE.old-$SYS_DT"
  iptables -I INPUT 1 -p udp --dport 1701 -m policy --dir in --pol none -j DROP
  iptables -I INPUT 2 -m conntrack --ctstate INVALID -j DROP
  iptables -I INPUT 3 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
  iptables -I INPUT 4 -p udp -m multiport --dports 500,4500 -j ACCEPT
  iptables -I INPUT 5 -p udp --dport 1701 -m policy --dir in --pol ipsec -j ACCEPT
  iptables -I INPUT 6 -p udp --dport 1701 -j DROP
  iptables -I FORWARD 1 -m conntrack --ctstate INVALID -j DROP
  iptables -I FORWARD 2 -i "$NET_IFACE" -o ppp+ -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
  iptables -I FORWARD 3 -i ppp+ -o "$NET_IFACE" -j ACCEPT
  iptables -I FORWARD 4 -i ppp+ -o ppp+ -s "$L2TP_NET" -d "$L2TP_NET" -j ACCEPT
  iptables -I FORWARD 5 -i "$NET_IFACE" -d "$XAUTH_NET" -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
  iptables -I FORWARD 6 -s "$XAUTH_NET" -o "$NET_IFACE" -j ACCEPT
  # Uncomment if you wish to disallow traffic between VPN clients themselves
  # iptables -I FORWARD 2 -i ppp+ -o ppp+ -s "$L2TP_NET" -d "$L2TP_NET" -j DROP
  # iptables -I FORWARD 3 -s "$XAUTH_NET" -d "$XAUTH_NET" -j DROP
  iptables -A FORWARD -j DROP
  iptables -t nat -I POSTROUTING -s "$XAUTH_NET" -o "$NET_IFACE" -m policy --dir out --pol none -j MASQUERADE
  iptables -t nat -I POSTROUTING -s "$L2TP_NET" -o "$NET_IFACE" -j MASQUERADE
  echo "# Modified by hwdsl2 VPN script" > "$IPT_FILE"
  iptables-save >> "$IPT_FILE"
fi

bigecho "Creating basic Fail2Ban rules..."

if [ ! -f /etc/fail2ban/jail.local ] ; then
cat > /etc/fail2ban/jail.local <<'EOF'
[ssh-iptables]
enabled  = true
filter   = sshd
action   = iptables[name=SSH, port=ssh, protocol=tcp]
logpath  = /var/log/secure
EOF
fi

bigecho "Enabling services on boot..."

if grep -qs "release 6" /etc/redhat-release; then
  chkconfig iptables on
  chkconfig fail2ban on
else
  systemctl --now mask firewalld 2>/dev/null
  systemctl enable iptables fail2ban 2>/dev/null
fi

if ! grep -qs "hwdsl2 VPN script" /etc/rc.local; then
  if [ -f /etc/rc.local ]; then
    conf_bk "/etc/rc.local"
  else
    echo '#!/bin/sh' > /etc/rc.local
  fi
cat >> /etc/rc.local <<'EOF'

# Added by hwdsl2 VPN script
(sleep 15
modprobe -q pppol2tp
service ipsec restart
service xl2tpd restart
echo 1 > /proc/sys/net/ipv4/ip_forward)&
EOF
fi

bigecho "Starting services..."

# Restore SELinux contexts
restorecon /etc/ipsec.d/*db 2>/dev/null
restorecon /usr/local/sbin -Rv 2>/dev/null
restorecon /usr/local/libexec/ipsec -Rv 2>/dev/null

# Reload sysctl.conf
sysctl -e -q -p

# Update file attributes
chmod +x /etc/rc.local
chmod 600 /etc/ipsec.secrets* /etc/ppp/chap-secrets* /etc/ipsec.d/passwd*

# Apply new IPTables rules
iptables-restore < "$IPT_FILE"

# Fix xl2tpd on CentOS 7, if kernel module "l2tp_ppp" is unavailable
if grep -qs "release 7" /etc/redhat-release; then
  if ! modprobe -q l2tp_ppp; then
    sed -i '/^ExecStartPre/s/^/#/' /usr/lib/systemd/system/xl2tpd.service
    systemctl daemon-reload
  fi
fi

# Restart services
mkdir -p /run/pluto
modprobe -q pppol2tp
service fail2ban restart 2>/dev/null
service ipsec restart 2>/dev/null
service xl2tpd restart 2>/dev/null

cat <<EOF

================================================

IPsec VPN server is now ready for use!

Connect to your new VPN with these details:

Server IP: $PUBLIC_IP
IPsec PSK: $VPN_IPSEC_PSK
Username: $VPN_USER
Password: $VPN_PASSWORD

Write these down. You'll need them to connect!

Important notes:   https://git.io/vpnnotes
Setup VPN clients: https://git.io/vpnclients
setup class:https://www.wervps.com/we/2351.html

================================================

EOF

}

## Defer setup until we have the complete script
vpnsetup "[email protected]"

exit 0

[二]然后,修改该文件的权限
执行命令 chmod 755 install_wervpsl2tp
然后运行该脚本,执行命令./install_wervpsl2tp
执行脚本,进入安装!

[三]安装完成后会有如下提示:

IPsec VPN server is now ready for use!
Connect to your new VPN with these details:
Server IP: xx.xx.xxx.xxxx
IPsec PSK: ****************
Username: *************
Password: ***************
Write these down. You’ll need them to connect!

如果你要想对用户进行操作,可以使用如下命令:
l2tp -a 新增用户
l2tp -d 删除用户
l2tp -m 修改现有的用户的密码
l2tp -l 列出所有用户名和密码
l2tp -h 列出帮助信息

其他事项:

1、脚本在安装完成后,已自动启动进程,并加入了开机自启动。
2、脚本会改写 iptables 或 firewalld 的规则。
3、脚本安装时,会即时将安装日志写到 /root/l2tp.log 文件里,如果你安装失败,可以通过此文件来寻找错误信息。

使用命令:

ipsec status (查看 IPSec 运行状态)
ipsec verify (查看 IPSec 检查结果)
/etc/init.d/ipsec start|stop|restart|status (CentOS6 下使用)
/etc/init.d/xl2tpd start|stop|restart (CentOS6 下使用)
systemctl start|stop|restart|status ipsec (CentOS7 下使用)
systemctl start|stop|restart xl2tpd (CentOS7 下使用)
service ipsec start|stop|restart|status (Debian/Ubuntu 下使用)
service xl2tpd start|stop|restart (Debian/Ubuntu 下使用)

IPsec/L2TP VPN 客户端配置详细方法:https://github.com/hwdsl2/setup-ipsec-vpn/blob/master/docs/clients-zh.md

IPsec VPN 服务器一键安装脚本安装问题参考:https://github.com/hwdsl2/setup-ipsec-vpn/blob/master/README.md

IPsec VPN Server Docker版安装说明:https://github.com/hwdsl2/docker-ipsec-vpn-server

备用脚本:

下载
wget https://git.io/vpnsetup -O vpnsetup.sh && sudo

配置脚本 nano -w vpnsetup.sh 进入编辑

开始安装 sudo sh vpnsetup.sh

关于Docker的介绍以及安装使用

Docker 是一个开放源代码软件项目,让应用程序布署在软件容器下的工作可以自动化进行,借此在 Linux 操作系统上,提供一个额外的软件抽象层,以及操作系统层虚拟化的自动管理机制。
Docker 利用 Linux 核心中的资源分脱机制,例如 cgroups,以及 Linux 核心名字空间(name space),来创建独立的软件容器(containers)。这可以在单一 Linux 实体下运作,避免启动一个虚拟机造成的额外负担。
简单概括起来就是,Docker 是个容器,什么都能往里塞,你也可以理解为是一个轻量化的虚拟机。
使用 Docker 的好处就是对当前系统的环境没有破坏性,基本上一款镜像可以跑在任意包含了 Docker 的机器上,可以说是十分方便了。
本文主要介绍一下我在学习 Docker 的过程中制作的几款镜像,以及使用方法。

安装并启动 Docker

在以下操作系统里安装最新版 Docker,可以直接运行官方的安装脚本一键安装。

x86_64-centos-7
x86_64-fedora-26
x86_64-fedora-27
x86_64-fedora-28
x86_64-debian-wheezy
x86_64-debian-jessie
x86_64-debian-stretch
x86_64-debian-buster
x86_64-ubuntu-trusty
x86_64-ubuntu-xenial
x86_64-ubuntu-bionic
x86_64-ubuntu-artful

执行脚本方法如下:

wget -qO- get.docker.com | bash

安装完成后,运行下面的命令,验证是否安装成功。

docker version

启动 Docker

systemctl start docker

查看 Docker 启动状态

systemctl status docker

允许 Docker 开机自启

systemctl enable docker

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