Programmer Group

Get ready Domain name on file ssl certificate (free) Request Certificate Login to Ali Cloud Console Production - > Products and Services - > SSL Certificates Click Purchase Certificate, Certificate Type Select Free DV SSL, Complete Purchase After purchasing, Symantec Free SSL appears, button click under operation item. Perfect data and ...

Environmental Science; centos 7     192.168.10.10    master centos 7     192.168.10.129  minion 1. For the convenience of closing the firewall [root@localhost ~]# systemctl disable firewalld // No firewall startup [root@localhost ~]# systemctl stop firewalld // Stop firewall 2. Install salt master on the 192.168.10.10 host [root@ ...

1. Preface Recently, we are optimizing the visiting speed of the website and opening http2 protocol for the website. What are the advantages of this protocol? As follows: http2 is the next generation transport protocol, which will be widely used in the future, which is a trend. http2 has the feature of multiplexing, which means to access re ...

Recently, there is a need for the project to count PV, UV and IP of the website and display them to the background. So we can use the log of nginx. concept UV: independent visitors; based on cookie s, if a computer is equipped with three different browsers, opening the same page respectively, three UVs will be generated.PV: the number of visits ...

1. HTTPS certificate: htttps is different from http because it has more encryption, authentication, authentication and security from asymmetric encryption and third-party CA certificate; The working principle is as follows: First, the client generates a random number and sends it to the server; The server generates a random number and sends ...

1. Preface Recently, we are optimizing the visiting speed of the website and opening http2 protocol for the website. What are the advantages of this protocol? As follows: http2 is the next generation transport protocol, which will be widely used in the future, which is a trend. http2 has the feature of multiplexing, which means to access resou ...

What should I do when the previous manual operation of running nginx+php in multiple containers was cumbersome?Docker Compose follows Delete the containers and networks you created in the previous section first. If you do not, there will be conflicts when you complete this chapter docker stop nginx docker stop fpm docker network rm lnmp Take ...

Preface We are familiar with the bastion machine (springboard machine). In order to ensure the security of the server, we add a bastion machine. All ssh connections are completed through the bastion machine. The bastion machine also needs to have identity authentication, authorization, access control, audit and other functions. Jumpserver is t ...

Nginx Nginx is a high-performance, lightweight web service software with high stability, low system resource consumption and high processing capacity for HTTP concurrent connections. Frequently used commands Experimental steps 1. Obtain the source package on Windows remotely and mount it on Linux2. Decompress the source package and download t ...

First of all, we need to install the docker environment. This is relatively simple. Take centos7 as an example. docker needs kernel version 3.10 + to install on centos7. You can check the kernel version number through uname-r. if the version does not match, please consult the data for replacement. When you are ready, use the following command t ...