### 安装Java运行环境
yum install -y java-1.8.0-openjdk.x86_64

cd /opt/
wget http://download.sonatype.com/nexus/3/nexus-3.16.2-01-unix.tar.gz
tar -xf nexus-3.16.2-01-unix.tar.gz

# 解压后会生成两个目录：应用目录；数据目录；
# 有关各个目录的作用，参考：https://help.sonatype.com/repomanager3/installation/directories

# 添加用户
useradd nexus       # 通常是名为nexus的用户，并且必须可以创建一个可用的shell

# 启动服务
bin/nexus run       # 当显示「Started Sonatype Nexus OSS」时，表示启动成功

# 如果要停止服务，可以Ctrl+C 停止
# 也可通过start, stop, restart, force-reload, status等命令来管理

# 访问服务
firefox http://localhost:8081/       # 默认账户：amdin / admin123

#!/bin/sh

cat > /etc/systemd/system/nexus.service <<EOF
[Unit]
Description=nexus service
After=network.target

[Service]
Type=forking
LimitNOFILE=65536
ExecStart=/opt/nexus/nexus/bin/nexus start
ExecStop=/opt/nexus/nexus/bin/nexus stop
User=nexus
Restart=on-abort

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
systemctl enable nexus.service
systemctl start nexus.service

http {

  proxy_send_timeout 120;
  proxy_read_timeout 300;
  proxy_buffering    off;
  keepalive_timeout  5 5;
  tcp_nodelay        on;

  server {
    listen   *:80;
    server_name  www.example.com;

    # allow large uploads of files
    client_max_body_size 1G;

    # optimize downloading files larger than 1G
    #proxy_max_temp_file_size 2G;

    location / {
      # Use IPv4 upstream address instead of DNS name to avoid attempts by nginx to use IPv6 DNS lookup
      proxy_pass http://127.0.0.1:8081/;
      proxy_set_header Host $host;
      proxy_set_header X-Real-IP $remote_addr;
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
  }
}