Programmer Group

1, JDK installation It is recommended to use manual installation instead of using yum to install openjdk; The current installed directory is: /home/jdk/jdk1.8.0_291/bin/java /home/jdk/jdk1.8.0_291/jre/bin/java 2, nexus installation 1. Download nexus Download the installation package official website: https://help.sonatype.com/repomanager3/ ...

Manually install MySQL version 5.7. X in CentOS 7.4 environment. 1. Install MySQL version: 5.7.25 2. Download address https://dev.mysql.com/downloads/mysql/5.7.html#downloads (as time goes by, please refer to the download address of the latest official website) 3. Use the wget command to download the relevant rpm files through breakpoint t ...

introduction In the enterprise information application environment, the security and response speed of the server need to configure the response parameters according to the actual situation to achieve the optimal user experience. The default Nginx installation parameters can only provide the most basic services, and also need to reconcile ...

About cobbler Cobbler is a Linux server installation service. It can quickly install and reinstall physical servers and virtual machines through network boot (PXE). At the same time, it can also manage DHCP, DNS, etc. Cobbler can be managed in the command line mode, and also provides a Web-based interface management tool (cobbler Web), as wel ...

RPM (Redhat Package Manager) is a common package manager for Linux distribution s such as Redhat, CentOS and Fedora. RPM tool can be used to make source installation package and binary installation package. This document provides an example to illustrate how to make an RPM binary package. 1. Preparation Install the programs required for packa ...

Today, I found a mentor who gave a server to CentOS7 to install an environment in R language to run R scripts. But since I have not learned and tried it, I would like to record the installation process and provide some ideas for future installations. After referring to some people's methods, we found that the R language version installed with ...

On October 9, I published an article entitled**< Do you know the reason why the server generates a lot of TIME_WAIT? >**Articles On the day after the article was published, some readers pointed out my mistakes Here I would like to thank this reader in particular. I think every mistake is an opportunity for my own progress and growth ...

An introduction to rsync rsync is a common Linux application for file synchronization. It can synchronize files between local computers and remote computers, or between two local directories (but it does not support synchronization between two remote computers). It can also be used as a file copying tool instead of cp and mv commands. r refers ...

https://www.educoder.net/paths/43 Level 1: Linux initial experience #!/bin/bash #Write the command to complete the task in the following section #*********begin*********# cd / ls -a #********* end *********# Level 2: common Linux commands #!/bin/bash #Write the command to complete the task in the following section #*********begin*********# ...

These days when I started hadoop, I didn't even mention the installation of hadoop distributed cluster in the video. I started to talk about the concept directly. After thinking about it for a few weeks, I still solved it. There are too many small problems and the data are messy. The blogs speak differently. I have to summarize and find out the ...