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I. Preface Linux cluster can be divided into two categories: high availability cluster and load balancing cluster. Only high availability clusters are discussed here, and load balancing is explained in the next blog post. High Availability Cluster (HA) consists of two or more servers, usually two servers, one of which works and the other is r ...

1.zabbix-server (ubuntu1804) 1) Necessary packages zabbix-server-mysql zabbix-frontend-php 2) Start-up services State Recv-Q Send-Q Local Address:Port Peer Address:Port ...

Source of article: Configure Nginx with a self-signed SL certificate HTTPS is almost the only option for secure Web browser-to-server connections.HTTPS is actually HTTP over SSL, which means that HTTP connections are built on top of secure SSL connections. SSL uses certificates to create secure connections.There are two authentication ...

More Front End Technologies and Knowledge Points, Search Subscription Number JS Bacteria Subscription All data is transported binary (sliced differently, HTTP2 was previously sent as a string) Requests sent may be sent out of order Efficient features such as header information compression and Server Push Channel multiplexing (only one TCP li ...

Introduction to zabbix:zabbix is a fully open source tool that integrates features such as cacti and nagiosAnnex: SNMP (udp 161 UDP 162)Many network tools support this protocol, such as common routing switching, common OS.It can be managed as well as managed.There are roughly three versions of snmp protocol: V1 V2 V3The security of v1 and v2 is ...

This article mainly introduces Python's Flask framework and Nginx's static file access restriction function. Nginx uses its own XSendfile, which can be consulted by friends who need it. Nginx configuration Ngnix, a high-performance web server, is undoubtedly the current darling. Excellent performance, flexible and scalable, in the field of s ...

In recent years, the Internet live broadcasting business is very hot. I also studied the next, found that the nginx configuration of live video on demand is also easy to achieve, I would like to share it.1. Install nginx and nginx_rtmp_module extensions in ubuntu14.04 There are three ways to install and extend nginx, depending on whether it has ...

1 Install the new version of python. Download Python-2.7.13.tar.gz and decompress it to run. / configure & make & make install. You need to configure the python program in $PATH and execute Ln-S Python 2.7 Python under / usr/bin to make a new link. This will result in the failure of the yum program. Errors were reported as follows: ...

brief introduction Sometimes the installation and deployment of the server, each time in some process, forgot to always find out the previous notes, now the whole process will be sorted out. This is Centos 7.2, which will help you to spend less time looking for notes in the future. Blog Address My github address Welcome your attention Servi ...

We start with this section with a very important tool, Docker Compose, which is used frequently. Let's start with a case study of why we use Docker Compose. Case study: How do I deploy a WordPress via a container? Now pull WordPress locally: docker pull wordpress docker image ls REPOSITORY TAG IMAGE ID ...