Server - What is the minimum number of machines required for an nginx+keepalived cluster?

I'm studying nginx+keepalived cluster and checked some online tutorials, but I don't quite understand how many servers are needed. According to the tutorial, nginx+keepalived only needs to be installed on two machines to achieve the effect of "high availability load balancing". Tutorial ad...

世界只因有你 2017-05-16 17:08:06 0  2  876

Can nginx provide a proxy for other machines? nginx is not installed on other machines

Suppose there are 3 Alibaba Cloud machines. Can I install nginx on only one of them to provide http services for the other two without nginx?

为情所困 2017-05-16 17:07:58 0  1  518

windows7 cannot ping the ip of linux (ubuntu) on the virtual machine VMware

On Windows 7, I downloaded a virtual machine VMware, and then installed Ubuntu. I want to use putty to connect to the virtual machine through ssh, but I cannot ping the IP on the virtual machine on Windows 7.

PHPz 2017-05-16 13:24:27 0  1  742

java - AS error in starting virtual machine

Error message when starting the AS virtual machine for the first time: InvalidPathException: Illegal char at index 9: C:Users?.androidavdPQtest.avd Error report details

PHP中文网 2017-05-17 10:05:03 0  2  780

vimrc - How to synchronize vim configuration files between multiple machines and multiple users?

I often switch from one user or machine to another, and I have to edit .vimrc every time, which is crazy :(

高洛峰 2017-05-16 16:35:05 0  3  703

JAVA Ubuntu virtual machine and local machine compilation results are inconsistent

For a maven project, the compilation results on both sides are inconsistent. The code must be consistent, the JAVA version is consistent, and the maven version is also consistent. One win10 and one Ubuntu virtual machine are both 64-bit. Here are some other reasons that may affect the compilation re...

高洛峰 2017-05-19 10:07:34 0  1  637

Pagoda panel ftp storage space cannot link to the virtual machine

The ftp storage space of Pagoda Panel cannot connect to the virtual machine. Is it because the server cannot connect to the Alibaba Cloud virtual machine?

LiuBo 2017-10-23 18:14:55 0  2  1154

Problems with Python3.6 int optimization mechanism, 64-bit machines (-5 to 257)

Optimization mechanism in Python (both 2.7 and 3.5): Numbers between -5~257, if you use the first assignment method, they still belong to the same memory. But the test code I wrote on my local machine is as follows: As a result, this does not comply with the above. Then I compiled it on the Python o...

ringa_lee 2017-05-18 10:54:54 0  1  778

Undefined variable in component

My server works in Linux via apache2, but works fine in the development environment via artisan service on a Windows machine. The error is undefined variable $washProgramresources/views/components/expedition-data.blade.php<div>Programa{{$washProgram->name}}</div&

P粉709307865 2023-09-06 10:48:25 0  1  859

php - How to access the web project in the Linux virtual machine under Windows

I put the project on a Linux virtual server and it can be accessed on the virtual machine. I want to access it on Windows. What should I do? I have opened port 80 in the firewall, but I still cannot access it. It can be accessed in the virtual machine, but the server can be accessed by entering the ...

phpcn_u1582 2017-05-31 10:33:43 0  5  669

java - Does ehcache cache use virtual machine memory?

Does ehcache cache use virtual machine memory or other memory? Is the bottom layer of ehcache map? How does he implement caching?

大家讲道理 2017-06-23 09:13:46 0  1  1108

Why can't the ftp storage space of Baota Linux panel be linked to the subdomain name and Alibaba Cloud virtual machine?

Why can't the ftp storage space of the Pagoda Linux panel be linked to the subdomain name and Alibaba Cloud virtual machine?

LiuBo 2017-10-24 11:12:51 0  3  1481

How to solve the conflict between the PHP integrated environment and the mysql and tomcat installed on this machine

How to solve the conflict between the PHP integrated environment and the mysql and tomcat installed on this machine

OXYGEN 2017-12-12 15:21:37 0  2  1381

node.js - Which machine must have a node environment when Jenkins packages and builds a node project?

When Jenkins packages and builds a node project, does it require the machine where Jenkins is located to have a node environment, or does it require the configured ssh remote server to have a node environment? I built Jenkins on my local machine without ssh configuration, and then the build was succ...

过去多啦不再A梦 2017-07-06 10:34:35 0  4  1095

nginx - [win7] Port 80 can be accessed by this machine, but cannot be accessed by other machines on the same intranet. It is not occupied!

System: WIN7 Server: nginx1.7.11 Problem description: Port 80 is accessible locally (localhost || IP), but other machines on the same intranet cannot access it (through the local IP address), and port 80 is not occupied. Change to another port, IP + port number can be accessed. Set up a free wifi lo...

我想大声告诉你 2017-05-16 17:23:49 0  1  854

Does Alibaba Cloud support installing nginx when purchasing cloud server ECS? The virtual machine does not support nginx.

Does Alibaba Cloud support installing nginx when purchasing cloud server ECS? The virtual machine does not support nginx. Do you have any cheap recommendations?

ringa_lee 2017-05-17 09:56:01 0  4  901

python - Waiting online, please ask me how to process the data returned by this machine.

The following is the code for receiving data returned by a machine...}

伊谢尔伦 2017-05-18 11:00:32 0  3  628

linux - How to solve the problem of scientific Internet access for campus network virtual machines (Shadowsocks)

1. My question: I am a campus network user. I have an ubuntu virtual machine installed on my laptop (using VMware Player 12), and the host is Windows 10. I have a Shadowsocks server abroad, and I use my own server to access the Internet scientifically on Windows 10. According to what is said online,...

大家讲道理 2017-05-31 10:37:51 0  1  2309

python - I want to make a batch ping tool. What method is faster and better?

There are about thousands of machines, so it is best to support machine name detection. What method is everyone using?

怪我咯 2017-06-12 09:20:41 0  6  931

SQLSTATE: Invalid number of arguments: The number of bind variables does not match the number of tokens, line 102

I'm getting the SQLSTATE[HY093] error: The number of bind variables does not match the number of tokens, below line 102 of comments.php:

P粉386318086 2023-08-17 20:03:40 0  1  502