linux 安装 websocketd

1.下载

wget https://github.com/joewalnes/websocketd/releases/download/v0.3.0/websocketd-0.3.0-linux_amd64.zip

注意是amd架构

2.解压

unzip websocketd-0.3.0-linux_amd64.zip

3.复制websocketd到/usr/bin

cp ./websocketd /usr/bin/websocketd

4.添加到path

echo "export PATH=$PATH:/usr/bin/websocketd" >> /etc/profile
source /etc/profile

5.启动服务

websocketd  --help  # 查看帮助
[root@localhost-db01 ~]# websocketd  --address=0.0.0.0 --port=8888 ls
Sun, 30 Jun 2019 15:33:03 +0800 | INFO   | server     |  | Serving using application   : /usr/bin/ls 
Sun, 30 Jun 2019 15:33:03 +0800 | INFO   | server     |  | Starting WebSocket server   : ws://0.0.0.0:8888/
Sun, 30 Jun 2019 15:34:23 +0800 | ACCESS | session    | url:'http://192.168.0.202:8888/' id:'1561880063708057217' remote:'192.168.0.186' command:'/usr/bin/ls' origin:'file://' | CONNECT
Sun, 30 Jun 2019 15:34:23 +0800 | ACCESS | session    | url:'http://192.168.0.202:8888/' id:'1561880063708057217' remote:'192.168.0.186' command:'/usr/bin/ls' origin:'file://' pid:'11249' | DISCONNECT
Sun, 30 Jun 2019 15:34:26 +0800 | ACCESS | session    | url:'http://192.168.0.202:8888/' id:'1561880066921139807' remote:'192.168.0.186' command:'/usr/bin/ls' origin:'file://' | CONNECT
Sun, 30 Jun 2019 15:34:26 +0800 | ACCESS | session    | url:'http://192.168.0.202:8888/' id:'1561880066921139807' remote:'192.168.0.186' command:'/usr/bin/ls' origin:'file://' pid:'11253' | DISCONNECT

浏览器 console 测试连接,可以看到 ls 命令的输出：

var ws = new WebSocket('ws://ip:port');
ws.onopen = function(event){console.log("CONNECT")};
ws.onmessage = function(event){console.log(event.data)};
ws.onerror = function(event){console.log(event)};

mac上安装

https://blog.just4fun.site/websocketd.html

websocket 介绍

http://www.ruanyifeng.com/blog/2017/05/websocket.html