upstream provider

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Upstream and downstream speeds of ADSL bandwidth

How fast should the ADSL bandwidth rate go up, the downstream bandwidth rate and the uplink and downlink speed be? Many users have reported that the download rate of ADSL does not reach the nominal 5 12 K. After the network is connected through ADSL, a download speed indicator is displayed during download, the download speed shown above is generally about 50 KByte/s! This is a misunderstanding caused by unclear conversion relationships. First, we understand that Asymetric Digital Subscriber Loop

Analysis and resolution of upstream prematurely closed connection while reading header from response

Background Migrate a Nginx+uwsgi+django project, after startup, access test error 502, background nginx print errors: Upstream prematurely closed connection while reading response Header from upstream problem analysis solution online A bunch of tutorials, look dizzy, have to debug nginx configuration parameters, have to restart the background, and so on but after trying, all do not work, finally calm down

Nginx Reverse proxy TOMCAT hint permission denied while connecting to upstream

Nginx Reverse proxy TOMCAT hint permission denied while connecting to upstream, a lot of online is said permission denied while Reading to upstream, which is two completely different errors, I encountered the following:To view the SELinux log discovery error:Later found to be the problem of SELinux, so first turn off Selinux:setenforce 0;Then enable SELinux, and then execute the following command to modify

Merging an upstream repository into your fork

1. Check out the branch-wish to merge to. Usually, you'll merge into master . $ git Checkout Master2. Pull the desired branch from the upstream repository. This method would retain the commit history without modification. $ git pull https://github.com/ORIGINAL_OWNER/ORIGINAL_REPOSITORY.git branch_name Transferred from: https://help.github.com/articles/merging-an-upstream-repository-into-your-fork

Keepalived+nginx+upstream-based dual master hot swap + load Balancing implementation scheme

process dies and immediately switches the standby server, the switch time does not feel.Load Balancing:The upstream default is a poll-based load balancing method, in which each request is assigned to a different backend server in chronological order, and can be automatically rejected if the backend server is down. Another way is Ip_hash: Each request is allocated according to the hash result of the access IP, so that each visitor fixed access to a ba

Nginx appears Upstream Sent Too Big Heade

Nginx appears Upstream Sent Too Big Heade Nginx upstream sent too big header while reading response header from upstream This problem may cause the output of 502 header information. Perform the following two lines in nginx Configuration Fastcgi_buffer_size 128 k; fastcgi_buffers 8 128 k; As a result, no error is reported! The reason is that nginx pro

Five ways to assign Nginx upstream

Nginx Load Balancer option Upstream usage example 1. Polling (weight=1) The default option, when weight is not specified, the server weight the same,Each request is assigned to a different back-end server in chronological order, and can be automatically rejected if the backend server is down.Upstream Bakend {Server 192.168.1.10;Server 192.168.1.11;} 2, WeightSpecifies the polling probability, proportional to the weight and access ratios, for situation

Nginx Configuration Load Balancer (upstream) + reverse proxy (httpproxy)

first Prepare 3 machines (VM VMS, of course), one to do load balancer server, 2 Web services, respectively installed Nginx, how to install nginx here is not in the narrative. In addition, in order to test the smooth, please turn off the firewall of 3 machines first. IP Planning:equalization Machine: 10.1.1.10 | web-1:10.1.1.11 | web-2:10.1.1.12 The following configurations are made in nginx.conf Load Balancer Server configuration upstream webserv

Nginx installation and support upstream monitoring

Nginx installs and supports upstream and TCP proxy modulesYum Groupinstall "Development tools"Yum-y install pcre-devel OpenSSL openssl-devel gitwget http://nginx.org/download/nginx-1.4.5.tar.gzTar zxvf nginx-1.4.5.tar.gzCD nginx-1.4.5git clone https://github.com/yaoweibin/nginx_upstream_check_module.git//upstream modulegit clone https://github.com/yaoweibin/nginx_tcp_proxy_module.git//tcp proxy moduleYum In

Nginx prompt host not found in upstream error resolution

nginx DNS Resolver Configuration instance, this article explains the need to communicate in Proxy_pass and upstream server Specify the resolver manually, the configuration instance is given in this article. You need to specify resolver manually when communicating through Proxy_pass and upstream server. This error occurs at some point when the DNS resolution fails: Domain.com could not be resolved. Y

Nginx Error:upstream prematurely closed connection while reading response headers from upstream

This post consists of: http://xinpure.com/nginx-error-upstream-prematurely-closed-connection-while-reading-response-header-from-upstream/Environment descriptionNginx version 1.10.2PHP version 7.0.12Node version 5.9.0This article is to tell a Nginx error, why also mention the PHP and Node version? Let me first restore the application scenarioFirst, I have a Node Server that's bound to Port 3000.I need to acc

Use the command line tool Speedtest-CLI to test your upstream/downstream network speed

Use the command line tool Speedtest-CLI to test your upstream/downstream network speed We often need to check whether the network between the home and the Office is connected. What should we do? Open the website Speedtest.net and start the test. The website loads JavaScript scripts in the browser, selects the best server speed measurement, and uses Flash to generate graphical results. What about remote servers? You need to know that most remote server

Nginx installs and supports upstream and TCP proxy modules

wget http://nginx.org/download/nginx-1.4.5.tar.gzTar zxvf nginx-1.4.5.tar.gzCD nginx-1.4.5Git Clone Https://github.com/yaoweibin/nginx_upstream_check_module.git//upstream modulegit clone https://github.com/yaoweibin/nginx_tcp_proxy_module.git//tcp proxy moduleYum Install patchPATCH-P1 PATCH-P1 Yum Groupinstall "Development tools"Yum-y Install Pcre-devel OpenSSL openssl-devel./configure--add-module=nginx_upstream_check_module--add-module=nginx_tcp_prox

Installing the upstream version of node. js on Ubuntu

Install the upstream version of node. js on Ubuntu Chszs, all rights reserved, without permission, not reproduced. Blogger Home: Http://blog.csdn.net/chszsnode. JS is a software platform that you can use to quickly develop and build scalable Web applications. node. JS uses JavaScript as its scripting language to achieve high throughput through non-blocking I/O and single-threaded event looping mechanisms.node. JS contains a built-in HTTP server librar

Deploy openerp using nginx upstream

From: http://my.oschina.net/wangbuke/blog/67450 Openerp 6.1 uses werkzeug as the Web service framework, and its performance is greatly improved compared with the previous cherrypy. However, werkzeug and cherrypy are not dedicated web servers. The common practice is to add an nginx, Apache, or other server before openerp. The following describes how to deploy openerp using nginx upstream. Prerequisites Assume that you have installed openerp and run

Acdream 1211 Reactor Cooling [upstream and downstream network stream + output traffic], acdreamcooling

Acdream 1211 Reactor Cooling [upstream and downstream network stream + output traffic], acdreamcooling Title: acdream 1211 Reactor Cooling Category: upstream and downstream network streams without Sink. Question: For n points and m pipe, each pipe is used to lay the liquid. One-way, each pipe is equal to the substance that flows in every moment, to make m pipe into a circular body, the stream is lying in

Install the Upstream version of Node. js on Ubuntu

Install the Upstream version of Node. js on UbuntuInstall the Upstream version of Node. js on Ubuntu Node. js is a software platform that can be used to quickly develop and build scalable Web applications. Node. js uses JavaScript as its scripting language and achieves high throughput through non-blocking I/O and single-thread event loops.Node. js contains a built-in HTTP server library that allows it to ru

Poj 2396 budget (available stream with upstream and downstream sources)

Poj 2396 budget Link: http://poj.org/problem? Id = 2396 Question:Given a matrix of M * n, given the sum of each column in each row, and some of the value constraints, we can ask whether a feasible matrix can be formed. Ideas:Add a Source Vertex to join the edge of each row. The upper and lower bounds of each edge are the sum of the rows. Add a vertex and each column is connected to the edge of the vertex, the upper and lower bounds of the edge are the sum of the column. Then, each row is conne

Using Openresty Balancer_by_lua to implement a simple ip_hash upstream scheduling

The following is based on the Openresty balancer_by_lua configuration directive, which uses Ngx.crc32_long to generate a hash from the source address and destination port to achieve a simple ip_hash upstream. For reference only Upstream backend{ server 0.0.0.0; Balancer_by_lua_block { Local balancer = require "Ngx.balancer" Local host = {"192.168.1.111", "192.168.1.112"} Loc

What are the MBSFN reference signals for the LTE downlink reference signal and the upstream reference signal?

What are the LTE downlink reference signals and upstream reference signals?In R9, the downlink defines four reference signals, respectively, for the cell-specific reference signal (C-RS), the user-specific reference signal (UE-RS, also known as Dm-rs), MBSFN reference signal, position reference signal (P-RS).In R10, the downlink defines five reference signals, namely, the cell-specific reference signal (C-RS), the user-specific reference signal (UE-RS

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