Programmer Group

1 environment IP Hostname OS Version Elasticsearch Version 192.168.7.41 es-node1 Ubuntu 18.04.3 7.6.1 192.168.7.42 es-node2 Ubuntu 18.04.3 7.6.1 192.168.7.43 es-node3 Ubuntu 18.04.3 7.6.1 Disable swap and synchronize time. 2 installation steps 2.1 install elasticsearch Download path of installation package: https://mirror.tuna.tsi ...

In the privatization platform, ntp server needs to be deployed. Because it is two physical servers, in order to avoid single point problem, two ntp servers need to be deployed here. Other clients in the same network segment need to calibrate and synchronize the clock with these two servers through ntp service. Since it is a private platform, o ...

1, Background In the Intranet environment, you need to install the local DNS service at many times. Take the ubuntu 14.04 64 bit operating system environment as an example to illustrate the DNS server building method. 2, Deployment steps 2.1 install bind software # apt-get install bind9 -y 2.2 edit profile A. add a custom domain name reso ...

ubuntu uses apt get to make offline package (take mysql as an example) Recently, I am studying the deployment of engineering software. Although this is the work of operation and maintenance, it is quite interesting. Question: what factors need to be considered in software environment configuration There are two ways ...

 This past few days I have queried the syntax and some class libraries of Python3, and I happen to find some hidden backdoor 0.0 in the company's oa address book So I resolutely picked it up as a practice item First, use the developer tool F12 to crawl to the URL address of the MSS action on the OA website        url  = 'http://mss.xxxx.co ...

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 ...

Some users need to start the service when the system is powered on. This article will explain how to start the Ngrok client automatically when the system is powered on under Linux. This article supports Ubuntu, raspberry pie, Centos7, Debian series of systems. If the Centos system does not have start stop daemon installed, see Centos install st ...

This article starts from: Jenkins Chinese community Original link By Amet Umerov Translator: s1mple   Building Jenkins as code This paper mainly introduces the specific method of Jenkins "configuration as code" mode, and explains the mode with tools and scripts In our company, we try t ...

1. Summary Take the blog bar as an example, using DOM to dynamically load web pages loaded by a batch layout with a shrinkable side bar effect. 2. Implementation of Dynamic Loading 1. First divide an area with html to fill in the item <div id="rightcontent" class="div_parent"> </div> 2. Implement an item layout within a reg ...

The Translate ToolKit 2.5.0 API is a document conversion tool for the translation industry. For example, convert json or html to PO file for translation. Here, we use the Flask web framework to implement the basic functions of the Translate ToolKit api. This is a written test of the previous few days. It requires three days to implement a webAp ...