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local

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ssh-keygen -t rsa

SSH密钥会保存在home目录下的.ssh/id_rsa文件中．SSH公钥保存在.ssh/id_rsa.pub文件中

upload key 2 server

ssh-copy-id username@remote-server

反过来

server {
listen 80;
server_name blog.guoshuang.com;
charset utf-8;
location / {
root /usr/share/nginx/html/blog;
index index.html index.htm;
}
}

Check the fingerprint for the ECDSA key sent by the remote host

添加了重复的 主机

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ssh-keygen -R <remote-system-ip-address>


用CSS给SVG 的内容添加样式

https://www.w3cplus.com/svg/styling-svg-use-content-css.html

js add style

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var css = 'h1 { background: red; }',
    head = document.head || document.getElementsByTagName('head')[0],
    style = document.createElement('style');

head.appendChild(style);

style.type = 'text/css';
if (style.styleSheet){
  // This is required for IE8 and below.
  style.styleSheet.cssText = css;
} else {
  style.appendChild(document.createTextNode(css));
}

Create and append style sheets to document using JavaScript 

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(function() {
    var css = [
        '/css/default.css',
        '/css/section.css',
        '/css/custom.css'
    ],
    i = 0,
    link = document.createElement('link'),
    head = document.getElementsByTagName('head')[0],
    tmp;
    link.rel = 'stylesheet';

    for(; i < css.length; i++){
        tmp = link.cloneNode(true);
        tmp.href = css[i];
        head.appendChild(tmp);
    }
})();

Posted on

78.141.222.176

ssh root@78.141.222.176

curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py

python get-pip.py

pip install shadowsocks

vi /etc/shadowsocks.json

{
“server”:”0.0.0.0”,
“server_port”:443,
“local_port”:1080,
“password”:”1234567890”,
“timeout”:600,
“method”:”aes-256-cfb”
}

vi /etc/systemd/system/shadowsocks.service

[Unit]
Description=Shadowsocks
[Service]
TimeoutStartSec=0
ExecStart=/usr/bin/ssserver -c /etc/shadowsocks.json
[Install]
WantedBy=multi-user.target

设置开机自启命令

systemctl enable shadowsocks

启动命令

systemctl start shadowsocks

#查看状态命令
systemctl status shadowsocks

firewalld(centos7)

systemctl stop firewalld

https://www.4spaces.org/centos-open-porter/

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find server ip

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ip addr

default directory

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/usr/share/nginx/html

global configuration

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/etc/nginx/nginx.conf

ss install

默认有防火墙，需要关闭

virtual host

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server {
    listen 80;
    listen [::]:80;

    root /guoshuang/demo;

    index index.html;

    server_name demo.guoshuang.com;

    access_log /var/log/nginx/demo.guoshuang.com.access.log;
    error_log /var/log/nginx/demo.guoshuang.com.error.log;

    location / {
        try_files $uri $uri/ =404;
    }
}

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css

flex 排版

bootstrap

svg

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<svg viewbox="0 0 10 50">
  <path d="M1 49 V5 Q1 1 5 1 H9 V49z"
        fill="rgba(255, 122, 0, 0.8)" />
</svg>

d3

-d3 tooltips

测试

Integrity

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<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.0/css/all.css" integrity="sha384-lZN37f5QGtY3VHgisS14W3ExzMWZxybE1SJSEsQp9S+oqd12jhcu+A56Ebc1zFSJ" crossorigin="anonymous">

生成 （1.js）Integrity 

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openssl dgst -sha384 -binary 1.js | openssl base64 -A

Posted on Edited on

“摸”一下，就好

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touch abc

或者 指定日期 2018 0712 12:00

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touch -mt 201807121200  abc/

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this.map.getView().fit(c.extent, this.map.getSize());


var bb = bm.map.getView().calculateExtent(bm.map.getSize());
console.log(bb);
bm.map.getView().fit(bb, bm.map.getSize());

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ol.extent.getIntersection(extent1, extent2,opt_extent)
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bm.map.getView().fit([109.88221343277776, 33.515607112547585, 111.90703702710506, 34.256566724741006], bm.map.getSize());