Pagoda panel & FLASK & centos 7.2 & Tencent cloud configure a number of issues arise site

1. solve cross-domain problems && Chinese display problems

from flask import Flask, url_for, request, render_template, redirect
from flask_cors import *  #新增
from datetime import timedelta, datetime
import hashlib
import pymysql
import re
import recommend

app = Flask(__name__)
# 配置
app.config['DEBUG'] = True
app.config['SEND_FILE_MAX_AGE_DEFAULT'] = timedelta(seconds = 1)
# 解决跨域问题：No 'Access-Control-Allow-Origin' header is present on the requested resource.
CORS(app, supports_credentials=True)
# 解决中文显示的问题
app.config['JSON_AS_ASCII'] = False

2. do have documents, but not in the terminal upgrade

Restart terminal (update path)

3. Run the file does not have permission (permission denied)

chmod +x ...

4. centos decompression failed spark .tgz

tar -xzf spark .... tgz fail

Check this with file compression package, found to be in html format

Solution: windows unzip, upload

5. No XXX.sh in cnetos run spark upgrade

In centos terminal file is .sh, but the spark for the .cmd file format

Solution: Direct Input XXX.cmd to run