From 03f2b710b04f8b5b8ddeec587380faccaa69e8ed Mon Sep 17 00:00:00 2001
From: hsc <hsc1825713423@163.com>
Date: Sun, 30 Mar 2025 14:27:57 +0800
Subject: [PATCH] =?UTF-8?q?chore:=E7=A7=BB=E5=8A=A8=E8=84=9A=E6=9C=AC?=
 =?UTF-8?q?=E5=88=B0=E5=AF=B9=E5=BA=94=E4=BD=8D=E7=BD=AE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 readme.md                    |  17 +++++
 sh/db/init_postgresql.sh     | 103 +++++++++++++++++++++++++++++
 sh/db/init_postgresql_bug.sh |  26 ++++++++
 sh/git/init_gitea.sh         | 117 +++++++++++++++++++++++++++++++++
 sh/linux/init_linux.sh       | 121 +++++++++++++++++++++++++++++++++++
 sh/redis/fix_redis.sh        |  84 ++++++++++++++++++++++++
 sh/redis/init_redis.sh       |  80 +++++++++++++++++++++++
 sh/vpn/init_vpn.sh           |  14 ++++
 8 files changed, 562 insertions(+)
 create mode 100644 readme.md
 create mode 100644 sh/db/init_postgresql.sh
 create mode 100644 sh/db/init_postgresql_bug.sh
 create mode 100644 sh/git/init_gitea.sh
 create mode 100644 sh/linux/init_linux.sh
 create mode 100644 sh/redis/fix_redis.sh
 create mode 100644 sh/redis/init_redis.sh
 create mode 100644 sh/vpn/init_vpn.sh

diff --git a/readme.md b/readme.md
new file mode 100644
index 0000000..a2b3a77
--- /dev/null
+++ b/readme.md
@@ -0,0 +1,17 @@
+# 🔧 工具箱 📂 代码片段集合
+
+本仓库整理了日常开发中常用的代码片段，包含 **Shell 💻、Node.js 🚀、SQL 🛠️** 等语言，助力快速复用与效率提升！
+
+---
+
+## 📋 目录
+1. **工具集合** 📦 → [跳转](#工具集合)  
+2. **使用指南** 📖 → [跳转](#使用指南)  
+3. **贡献说明** 👥 → [跳转](#贡献说明)  
+4. **联系作者** 📧 → [跳转](#联系作者)  
+
+---
+
+
+
+
diff --git a/sh/db/init_postgresql.sh b/sh/db/init_postgresql.sh
new file mode 100644
index 0000000..2e150e1
--- /dev/null
+++ b/sh/db/init_postgresql.sh
@@ -0,0 +1,103 @@
+#!/bin/bash
+
+# PostgreSQL 14 安装配置脚本 (Rocky Linux 8.0)
+# 数据库将安装在 /data/postgresql
+# 账号: 1825713423 密码: hsc1825713423
+
+# 检查是否为root用户
+if [ "$(id -u)" -ne 0 ]; then
+    echo "请使用root用户运行此脚本！"
+    exit 1
+fi
+
+# 1. 添加PostgreSQL官方仓库
+echo "添加PostgreSQL官方YUM仓库..."
+dnf install -y https://download.postgresql.org/pub/repos/yum/reporpms/EL-8-x86_64/pgdg-redhat-repo-latest.noarch.rpm
+dnf -qy module disable postgresql
+
+# 2. 安装PostgreSQL 14
+echo "安装PostgreSQL 14..."
+dnf install -y postgresql14-server postgresql14-contrib
+
+# 3. 创建数据目录并初始化
+echo "创建数据目录并初始化数据库..."
+mkdir -p /data/postgresql
+chown postgres:postgres /data/postgresql
+
+sudo -u postgres /usr/pgsql-14/bin/initdb -D /data/postgresql
+
+# 4. 修改配置文件
+echo "配置PostgreSQL..."
+cat > /data/postgresql/postgresql.conf <<EOF
+listen_addresses = '*'
+port = 5432
+max_connections = 100
+shared_buffers = 128MB
+dynamic_shared_memory_type = posix
+datestyle = 'iso, mdy'
+timezone = 'Asia/Shanghai'
+log_timezone = 'Asia/Shanghai'
+unix_socket_directories = '/var/run/postgresql'
+password_encryption = scram-sha-256
+EOF
+
+# 5. 配置客户端认证
+cat > /data/postgresql/pg_hba.conf <<EOF
+# TYPE  DATABASE        USER            ADDRESS                 METHOD
+local   all             all                                     scram-sha-256
+host    all             all             127.0.0.1/32            scram-sha-256
+host    all             all             ::1/128                 scram-sha-256
+host    all             all             0.0.0.0/0               scram-sha-256
+EOF
+
+# 6. 创建系统服务
+cat > /etc/systemd/system/postgresql-14.service <<EOF
+[Unit]
+Description=PostgreSQL 14 database server
+After=network.target
+
+[Service]
+Type=forking
+User=postgres
+Group=postgres
+Environment=PGDATA=/data/postgresql
+OOMScoreAdjust=-1000
+ExecStart=/usr/pgsql-14/bin/pg_ctl -D \${PGDATA} start
+ExecStop=/usr/pgsql-14/bin/pg_ctl -D \${PGDATA} stop
+ExecReload=/usr/pgsql-14/bin/pg_ctl -D \${PGDATA} reload
+TimeoutSec=0
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+# 7. 启动PostgreSQL服务
+echo "启动PostgreSQL服务..."
+systemctl daemon-reload
+systemctl enable postgresql-14
+systemctl start postgresql-14
+
+# 8. 创建指定用户和密码
+echo "创建用户和数据库..."
+sudo -u postgres psql <<EOF
+CREATE USER "1825713423" WITH PASSWORD 'hsc1825713423';
+ALTER USER "1825713423" WITH SUPERUSER;
+CREATE DATABASE db_1825713423 OWNER "1825713423";
+GRANT ALL PRIVILEGES ON DATABASE db_1825713423 TO "1825713423";
+EOF
+
+# 9. 开放防火墙
+echo "配置防火墙..."
+firewall-cmd --add-port=5432/tcp --permanent
+firewall-cmd --reload
+
+# 10. 完成信息
+echo "PostgreSQL 14 安装配置完成！"
+echo "连接信息:"
+echo "主机: localhost"
+echo "端口: 5432"
+echo "用户名: 1825713423"
+echo "密码: hsc1825713423"
+echo "默认数据库: db_1825713423"
+echo "数据目录: /data/postgresql"
+echo "管理命令: systemctl [start|stop|restart] postgresql-14"
\ No newline at end of file
diff --git a/sh/db/init_postgresql_bug.sh b/sh/db/init_postgresql_bug.sh
new file mode 100644
index 0000000..f444211
--- /dev/null
+++ b/sh/db/init_postgresql_bug.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+# 修复 PostgreSQL 密码认证问题
+
+# 1. 为 postgres 用户设置密码
+POSTGRES_PASSWORD="YourStrongPassword@123"
+sudo -u postgres psql <<EOF
+ALTER USER postgres WITH PASSWORD '${POSTGRES_PASSWORD}';
+ALTER USER "1825713423" WITH PASSWORD 'hsc1825713423';
+EOF
+
+# 2. 确保 pg_hba.conf 配置正确
+sudo -u postgres cat > /data/postgresql/pg_hba.conf <<EOF
+# TYPE  DATABASE        USER            ADDRESS                 METHOD
+local   all             postgres                                scram-sha-256
+local   all             all                                     scram-sha-256
+host    all             all             127.0.0.1/32            scram-sha-256
+host    all             all             ::1/128                 scram-sha-256
+host    all             all             0.0.0.0/0               scram-sha-256
+EOF
+
+# 3. 重启服务
+sudo systemctl restart postgresql-14
+
+# 4. 验证连接
+echo "验证 postgres 用户连接..."
+psql -U postgres -h 127.0.0.1 -c "SELECT version();" -W
\ No newline at end of file
diff --git a/sh/git/init_gitea.sh b/sh/git/init_gitea.sh
new file mode 100644
index 0000000..01b01b5
--- /dev/null
+++ b/sh/git/init_gitea.sh
@@ -0,0 +1,117 @@
+#!/bin/bash
+
+# Gitea 快速安装配置脚本
+# 前提条件：
+# 1. PostgreSQL 已安装，用户 postgres 密码 hsc1825713423
+# 2. Redis 已安装，密码 hsc1825713423
+# 3. 安装目录：/data/gitea
+
+# 检查是否为root用户
+if [ "$(id -u)" -ne 0 ]; then
+	    echo "请使用root用户运行此脚本!"
+	        exit 1
+	fi
+
+	# 配置参数
+	GITEA_VERSION="1.21.0"
+	GITEA_USER="gitea"
+	GITEA_HOME="/data/gitea"
+	GITEA_CONFIG="$GITEA_HOME/custom/conf/app.ini"
+
+	# 创建用户和目录结构
+	echo "创建Gitea用户和目录结构..."
+	useradd -d $GITEA_HOME -m -s /bin/bash $GITEA_USER
+	mkdir -p $GITEA_HOME/{custom,data,log}
+	chown -R $GITEA_USER:$GITEA_USER $GITEA_HOME
+
+	# 下载Gitea
+	echo "下载Gitea $GITEA_VERSION..."
+	wget -O /tmp/gitea https://dl.gitea.io/gitea/$GITEA_VERSION/gitea-$GITEA_VERSION-linux-amd64
+	chmod +x /tmp/gitea
+	mv /tmp/gitea $GITEA_HOME/gitea
+	chown $GITEA_USER:$GITEA_USER $GITEA_HOME/gitea
+
+	# 创建配置文件
+	echo "创建Gitea配置文件..."
+	cat > $GITEA_CONFIG <<EOF
+[server]
+APP_DATA_PATH    = $GITEA_HOME/data
+HTTP_PORT        = 3000
+ROOT_URL        = http://$(hostname):3000/
+DISABLE_SSH      = false
+SSH_PORT         = 22
+DOMAIN           = $(hostname)
+LFS_START_SERVER = true
+OFFLINE_MODE     = false
+
+[database]
+DB_TYPE  = postgres
+HOST     = 127.0.0.1:5432
+NAME     = gitea
+USER     = gitea
+PASSWD   = hsc1825713423
+SSL_MODE = disable
+
+[redis]
+ENABLED  = true
+HOST     = 127.0.0.1:6379
+PASSWORD = hsc1825713423
+DB       = 0
+
+[session]
+PROVIDER = redis
+
+[cache]
+ADAPTER = redis
+
+[queue]
+TYPE = redis
+
+[log]
+ROOT_PATH = $GITEA_HOME/log
+MODE      = file
+LEVEL     = Info
+
+[security]
+INSTALL_LOCK = true
+SECRET_KEY   = $(head -c 16 /dev/urandom | sha256sum | head -c 64)
+EOF
+
+# 设置权限
+chown $GITEA_USER:$GITEA_USER $GITEA_CONFIG
+chmod 640 $GITEA_CONFIG
+
+# 创建systemd服务
+echo "创建systemd服务..."
+cat > /etc/systemd/system/gitea.service <<EOF
+[Unit]
+Description=Gitea (Git with a cup of tea)
+After=syslog.target
+After=network.target
+After=postgresql.service
+After=redis.service
+
+[Service]
+RestartSec=2s
+Type=simple
+User=$GITEA_USER
+Group=$GITEA_USER
+WorkingDirectory=$GITEA_HOME
+ExecStart=$GITEA_HOME/gitea web --config $GITEA_CONFIG
+Restart=always
+Environment=USER=$GITEA_USER HOME=$GITEA_HOME
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+# 启用并启动服务
+systemctl daemon-reload
+systemctl enable --now gitea
+
+# 输出信息
+echo "Gitea 安装完成!"
+echo "访问地址: http://$(hostname -I | awk '{print $1}'):3000"
+echo "安装目录: $GITEA_HOME"
+echo "配置文件: $GITEA_CONFIG"
+echo "管理命令: systemctl [start|stop|restart|status] gitea"
diff --git a/sh/linux/init_linux.sh b/sh/linux/init_linux.sh
new file mode 100644
index 0000000..9ab6b36
--- /dev/null
+++ b/sh/linux/init_linux.sh
@@ -0,0 +1,121 @@
+#!/bin/bash
+# 初始化Linux服务器脚本
+# 功能：1. 时钟同步配置 2. Yum加速配置 3. 系统基础优化
+
+# 检查是否为root用户
+if [ $(id -u) != "0" ]; then
+    echo "错误：请使用root用户执行此脚本"
+    exit 1
+fi
+
+# 定义颜色变量
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+echo -e "${GREEN}开始初始化系统配置...${NC}"
+
+# 1. 配置时钟同步
+echo -e "${YELLOW}1. 配置时钟同步服务...${NC}"
+# 安装chrony时间同步服务
+yum install -y chrony
+
+# 配置chrony使用国内时间服务器
+cat > /etc/chrony.conf <<EOF
+server ntp.aliyun.com iburst
+server ntp1.aliyun.com iburst
+server ntp.ntsc.ac.cn iburst
+driftfile /var/lib/chrony/drift
+makestep 1.0 3
+rtcsync
+allow 192.168/16
+local stratum 10
+keyfile /etc/chrony.keys
+commandkey 1
+generatecommandkey
+noclientlog
+logchange 0.5
+logdir /var/log/chrony
+EOF
+
+# 启动并设置开机自启
+systemctl enable chronyd --now
+timedatectl set-timezone Asia/Shanghai
+chronyc sources
+
+echo -e "${GREEN}时钟同步配置完成${NC}"
+
+# 2. 配置国内Yum镜像源
+echo -e "${YELLOW}2. 配置阿里云Yum镜像源...${NC}"
+# 备份原配置文件
+mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak
+
+# 生成新的配置文件（适配CentOS 7/8）
+cat > /etc/yum.repos.d/CentOS-Base.repo <<EOF
+# CentOS-Base.repo
+[base]
+name=CentOS-\$releasever - Base - Aliyun
+baseurl=http://mirrors.aliyun.com/centos/\$releasever/AppStream/\$basearch/os/
+gpgcheck=1
+gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official
+
+[appstream]
+name=CentOS-\$releasever - AppStream - Aliyun
+baseurl=http://mirrors.aliyun.com/centos/\$releasever/AppStream/\$basearch/os/
+gpgcheck=1
+gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official
+
+[extras]
+name=CentOS-\$releasever - Extras - Aliyun
+baseurl=http://mirrors.aliyun.com/centos/\$releasever/extras/\$basearch/os/
+gpgcheck=1
+gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official
+
+[centosplus]
+name=CentOS-\$releasever - Plus - Aliyun
+baseurl=http://mirrors.aliyun.com/centos/\$releasever/centosplus/\$basearch/os/
+gpgcheck=1
+enabled=0
+gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official
+EOF
+
+# 生成缓存
+yum clean all
+yum makecache
+
+echo -e "${GREEN}Yum镜像源配置完成${NC}"
+
+# 3. 系统基础优化
+echo -e "${YELLOW}3. 执行系统基础优化...${NC}"
+# 关闭SELinux
+sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
+setenforce 0
+
+# 关闭防火墙（生产环境慎用）
+systemctl stop firewalld
+systemctl disable firewalld
+
+# 设置最大打开文件数
+echo "* soft nofile 65535" >> /etc/security/limits.conf
+echo "* hard nofile 65535" >> /etc/security/limits.conf
+
+# 优化内核参数
+cat >> /etc/sysctl.conf <<EOF
+net.ipv4.tcp_fin_timeout = 10
+net.ipv4.tcp_tw_reuse = 1
+net.ipv4.tcp_tw_recycle = 1
+net.ipv4.tcp_max_syn_backlog = 8192
+net.ipv4.tcp_syncookies = 1
+net.ipv4.tcp_max_tw_buckets = 5000
+net.ipv4.ip_local_port_range = 1024 65535
+net.ipv4.tcp_rmem = 4096 87380 6291456
+net.ipv4.tcp_wmem = 4096 65536 6291456
+net.core.somaxconn = 65535
+net.core.netdev_max_backlog = 65535
+EOF
+
+sysctl -p
+
+echo -e "${GREEN}系统基础优化完成${NC}"
+
+echo -e "${GREEN}所有初始化配置已完成！建议重启系统后使用${NC}"
\ No newline at end of file
diff --git a/sh/redis/fix_redis.sh b/sh/redis/fix_redis.sh
new file mode 100644
index 0000000..259023f
--- /dev/null
+++ b/sh/redis/fix_redis.sh
@@ -0,0 +1,84 @@
+#!/bin/bash
+
+# Rocky Linux 8 Redis 5.x 基础配置脚本
+# 功能：配置Redis允许外部访问，设置密码，基础优化
+
+# 检查是否为root用户
+if [ "$(id -u)" -ne 0 ]; then
+	    echo "请使用root用户运行此脚本!"
+	        exit 1
+	fi
+
+	# 定义配置参数
+	REDIS_PASSWORD="hsc1825713423"
+	REDIS_CONFIG="/etc/redis.conf"
+	REDIS_PORT=6379
+	REDIS_BIND_IP="0.0.0.0"  # 允许所有IP访问
+
+	# 备份原始配置文件
+	echo "备份原始配置文件到 /etc/redis.conf.bak..."
+	cp "$REDIS_CONFIG" "${REDIS_CONFIG}.bak"
+
+	# 基础安全配置
+	echo "配置Redis基础安全设置..."
+	sed -i "s/^# requirepass .*/requirepass $REDIS_PASSWORD/" "$REDIS_CONFIG"
+	sed -i "s/^bind 127.0.0.1/bind $REDIS_BIND_IP/" "$REDIS_CONFIG"
+	sed -i "s/^protected-mode yes/protected-mode no/" "$REDIS_CONFIG"  # 关闭保护模式以允许远程访问
+
+	# 性能优化配置
+	echo "配置性能优化参数..."
+	sed -i "s/^# tcp-keepalive 300/tcp-keepalive 60/" "$REDIS_CONFIG"
+	sed -i "s/^# maxmemory-policy noeviction/maxmemory-policy allkeys-lru/" "$REDIS_CONFIG"
+	sed -i "s/^timeout 0/timeout 30/" "$REDIS_CONFIG"  # 30秒无操作超时
+
+	# 持久化配置
+	echo "配置持久化选项..."
+	sed -i "s/^save 900 1/# save 900 1/" "$REDIS_CONFIG"
+	sed -i "s/^save 300 10/# save 300 10/" "$REDIS_CONFIG"
+	sed -i "s/^save 60 10000/# save 60 10000/" "$REDIS_CONFIG"
+	echo "appendonly yes" >> "$REDIS_CONFIG"
+	echo "appendfsync everysec" >> "$REDIS_CONFIG"
+
+	# 限制配置
+	echo "配置连接限制..."
+	echo "maxclients 10000" >> "$REDIS_CONFIG"
+	echo "tcp-backlog 511" >> "$REDIS_CONFIG"
+
+	# 防火墙配置
+	echo "配置防火墙允许Redis端口 $REDIS_PORT..."
+	if command -v firewall-cmd &> /dev/null; then
+		    firewall-cmd --permanent --add-port=$REDIS_PORT/tcp
+		        firewall-cmd --reload
+		else
+			    echo "未找到firewalld，请确保端口 $REDIS_PORT 已开放"
+		    fi
+
+		    # 重启Redis服务
+		    echo "重启Redis服务应用配置..."
+		    systemctl restart redis
+
+		    # 验证配置
+		    echo "验证Redis配置..."
+		    echo "当前绑定IP:"
+		    grep "^bind" "$REDIS_CONFIG"
+		    echo "保护模式状态:"
+		    grep "^protected-mode" "$REDIS_CONFIG"
+		    echo "密码设置:"
+		    grep "^requirepass" "$REDIS_CONFIG"
+
+		    # 测试远程连接
+		    echo "测试Redis连接..."
+		    echo "本地连接测试:"
+		    redis-cli -a "$REDIS_PASSWORD" ping
+		    echo "如需远程测试，请在其他服务器执行:"
+		    echo "redis-cli -h <你的服务器IP> -p $REDIS_PORT -a $REDIS_PASSWORD ping"
+
+		    # 完成信息
+		    echo "Redis基础配置完成!"
+		    echo "重要信息:"
+		    echo "- Redis密码: $REDIS_PASSWORD"
+		    echo "- 监听端口: $REDIS_PORT"
+		    echo "- 绑定IP: $REDIS_BIND_IP (允许所有IP访问)"
+		    echo "- 配置文件: $REDIS_CONFIG"
+		    echo "- 管理命令: systemctl [start|stop|restart|status] redis"
+		    echo "注意: 请确保服务器安全组/防火墙已开放 $REDIS_PORT 端口"
diff --git a/sh/redis/init_redis.sh b/sh/redis/init_redis.sh
new file mode 100644
index 0000000..6b91dde
--- /dev/null
+++ b/sh/redis/init_redis.sh
@@ -0,0 +1,80 @@
+#!/bin/bash
+
+# Rocky Linux 8 Redis 5.x 安装脚本修复版
+# 密码设置为: hsc1825713423
+
+# 检查是否为root用户
+if [ "$(id -u)" -ne 0 ]; then
+    echo "请使用root用户运行此脚本!"
+    exit 1
+fi
+
+# 安装EPEL仓库
+echo "正在安装EPEL仓库..."
+dnf install -y epel-release
+
+# 安装Redis 5.x
+echo "正在安装Redis 5.x..."
+dnf install -y redis
+
+# 查找Redis实际安装路径
+REDIS_SERVER_PATH=$(which redis-server)
+echo "检测到Redis安装路径: $REDIS_SERVER_PATH"
+
+# 创建正确的systemd服务文件
+echo "正在修复systemd服务配置..."
+cat > /etc/systemd/system/redis.service <<EOF
+[Unit]
+Description=Redis In-Memory Data Store
+After=network.target
+
+[Service]
+Type=simple
+ExecStart=$REDIS_SERVER_PATH /etc/redis.conf
+Restart=on-failure
+User=redis
+Group=redis
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+# 配置Redis
+echo "正在配置Redis..."
+
+# 设置密码
+sed -i "s/# requirepass foobared/requirepass hsc1825713423/" /etc/redis.conf
+
+# 允许远程连接（根据需要取消注释）
+# sed -i "s/bind 127.0.0.1/bind 0.0.0.0/" /etc/redis.conf
+
+# 启用保护模式（更安全）
+sed -i "s/protected-mode no/protected-mode yes/" /etc/redis.conf
+
+# 修复权限问题
+chown redis:redis /etc/redis.conf
+chmod 640 /etc/redis.conf
+
+# 重新加载systemd配置
+systemctl daemon-reload
+
+# 启动Redis服务并设置开机自启
+echo "启动Redis服务..."
+systemctl enable --now redis
+
+# 检查Redis状态
+echo "检查Redis状态..."
+systemctl status redis --no-pager
+
+# 测试Redis连接
+echo "测试Redis连接..."
+redis-cli -a hsc1825713423 ping
+
+# 输出完成信息
+echo "Redis 5.x 安装完成!"
+echo "密码: hsc1825713423"
+echo "配置文件: /etc/redis.conf"
+echo "管理命令:"
+echo "启动Redis: systemctl start redis"
+echo "停止Redis: systemctl stop redis"
+echo "重启Redis: systemctl restart redis"
\ No newline at end of file
diff --git a/sh/vpn/init_vpn.sh b/sh/vpn/init_vpn.sh
new file mode 100644
index 0000000..28f9606
--- /dev/null
+++ b/sh/vpn/init_vpn.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+# 初始化Linux服务器脚本
+# 功能：1. 时钟同步配置 2. Yum加速配置 3. 系统基础优化
+
+# 检查是否为root用户
+if [ $(id -u) != "0" ]; then
+    echo "错误：请使用root用户执行此脚本"
+    exit 1
+fi
+
+echo 'welcom init vpn'
+
+curl -fsSL https://tailscale.com/install.sh | sh
+