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Alibaba cloud server, operating system CentOS 7.0, installs nginx. 1. First, set alicloud's security group settings and open the 80 port limit: Open Alibaba cloud official website > console > ECS > Security Group > security group rules: Select any rule column, click "clone", select "HTTP(80)" for "protoco ...

In this paper NSIS tutorial (8): installation package interface based on third-party interface library On the basis of this, share the process of how to use NSIS in combination with duilib high imitation QQ installation package. Let's start with the renderings! Full NSIS script # ======================Custom macro================== ...

Application and summary of CRC32Mpeg2 implemented by python At present, there are two kinds of Crc calculation methods: Crc32 and CRC32Mpeg2. CRC error detection technology of cyclic redundancy test can prove that the data is complete and error free (it is only very similar to think that it is error free). The methods to ensure reliable data t ...

As PHP developers, we don't need to worry about memory management. The PHP engine has done a good job of cleaning up behind us. The web server model of short execution context means that even the most sloppy code has no lasting impact.   In rare cases, we may need to get out of the comfort zone - for example, when we try to run Composer for a l ...

1. zlib GNUzlib compression Zlib module provides the underlying interface for many functions in the zlib compression library of GNU Project. 1.1 processing data in memory The simplest way to use zlib requires that all data to be compressed or decompressed be stored in memory. import zlib import binascii original_data = b'This is the original ...

1. Codcs string encoding and decoding The codecs module provides both stream and file interfaces to convert different representations of text data.Usually used to process Unicode text, but additional encoding is provided for other purposes. 1.1 Getting started with Unicode CPython 3.x distinguishes between text and byte strings.The bytes instan ...

Environmental description: host name Operating system version ip nginx version httpd version Remarks nginx Centos 7.6.1810 172.27.34.41 1.16.1 / nginx server web01 Centos 7.6.1810 172.27.34.161 / 2.4.6 web server web02 Centos 7.6.1810 172.27.34.162 / 2.4.6 web server web03 Centos 7.6.1810 172.27.34.163 / 2.4.6 web server 1, Brief ...

Question Summary Nginx section Essential Library yum install -y wget vim gcc gcc-c++ zlib-devel pcre-devel openssl-devel Compile Options ./configure --with-http_stub_status_module --prefix=/data/wwwroot/nginx-1.17.1 --user=www --group=www --with-http_ssl_module Matters needing attention To be added start-up .../sbin/nginx Common Errors To be a ...

1, Installation preparation 1. Go to the nginx source package on the official website http://nginx.org/en/download.html ] 2. Loading dependence yum -y install pcre pcre-devel yum -y install openssl openssl-devel yum -y install gcc-c++ autoconf automake yum install -y zlib-devel yum -y install libxml2 libxml2-dev yum -y install libxslt-devel yum ...

Recently, Alibaba cloud urged a friend to deal with the system vulnerability quickly, and shut down the machine if he didn't deal with it again. This friend deployed 32-bit PostgreSQL 8.1 on a CentOS 6 host in Alibaba cloud. He wants to use this. Think about it, or install PostgreSQL 8.1 on CentOS 7. The former is a 64 bit operating system, an ...