Big data and Hadoop & distributed file systems & distributed Hadoop clusters | Cloud computing

1. Deploy Hadoop 1.1 problems This case requires the installation of stand-alone Hadoop: Hot word analysis:Minimum configuration: 2cpu, 2G memory, 10G hard diskVirtual machine IP: 192.168.1.50 Hadoop 1Installing and deploying hadoopData analysis to find the most frequently occurring words 1.2 steps To implement this case, you need to ...

Posted by ball420 on Wed, 05 Jan 2022 18:23:47 +0100

Whoever says he is not familiar with Linux commands, throw this to him!

Although most of my work is Java related development, I am exposed to Linux system every day, especially after using Mac. I work in the command line environment with black background every day I don't have a good memory. I can't remember many useful linux commands very well. Now I'll summarize them gradually for later viewing.basic operation Li ...

Posted by apacheguy on Wed, 05 Jan 2022 17:52:15 +0100

k8s workload controller

k8s workload controller Workloads are applications running on kubernetes. Whether your load is a single component or multiple components working together, you can run it in a set of Pods in Kubernetes. In Kuberneres, pod represents a set of containers running on the cluster. Kubernetes Pods has a defined life cycle. For example, when a Pod ru ...

Posted by cody44 on Wed, 05 Jan 2022 13:56:04 +0100

jenkins enables automatic deployment

jenkins enables automatic deployment (CD/CI) Execution flow chart I. environment server configuration 1. The following environments need to be installed on the server: 1) Install jdk-1.8 2) Install maven-3.6 one 3) Installing git-2.34 4) Install node-16.13 1 (optional, depending on the deployment method) 5)sonarQube-6.7.4 2. After installa ...

Posted by balkar on Wed, 05 Jan 2022 13:55:40 +0100

Kubernetes3 - Pod life cycle, cluster controller

1, Pod life cycle Like independent application containers, Pod is also considered to be a relatively temporary (rather than long-term) entity. The Pod is created, given a unique ID (UID), scheduled to the node, and runs on the node until it is terminated (according to the restart Policy) or deleted.If a node dies, the Pod scheduled to the ...

Posted by xnor82 on Wed, 05 Jan 2022 13:13:43 +0100

Detailed explanation of Nginx configuration

preface Nginx is the Rambler with the second largest number of visitors in Russia Ru site design and development. Since its release in 2004, with the power of open source, it has been close to maturity and perfection. Nginx has rich functions and can be used as HTTP server, reverse proxy server and mail server. Support FastCGI, SSL, Virtual H ...

Posted by dr bung on Wed, 05 Jan 2022 11:03:53 +0100

Logstash & Real-time analysis of Web logs | Cloud computing

1. Install Logstash 1.1 problems This case requires: Create a virtual machine and install logstashMinimum configuration: 2cpu, 2G memory, 10G hard diskVirtual machine IP: 192.168.1.47 logstash 1.2 steps To implement this case, you need to follow the following steps. Step 1: install logstash 1) Configure the host name, ip and yum so ...

Posted by Rose.S on Wed, 05 Jan 2022 10:09:34 +0100

Pod life cycle of Kubernetes(k8s)

What is the Pod lifecycle Like a stand-alone application container, pod is also considered a relatively temporary (rather than long-term) entity. The pod will be created, given a unique ID (UID), and dispatched to the node. The pod will run on the node until it is terminated (according to the restart Policy) or deleted. If a node dies, the ...

Posted by kjl-php on Wed, 05 Jan 2022 03:38:09 +0100

Upgrade the website running platform & deploy the cache service & migrate data | Cloud computing

1. Upgrade the website operation platform 1.1 problems The specific configuration is as follows: Clear current configurationDeploy LNMPTest configuration 1.2 steps To implement this case, you need to follow the following steps. Step 1: clear the current configuration 1) Stop Web Service [root@web33 ~]# /usr/local/tomcat/bin/shutdo ...

Posted by britt15 on Tue, 04 Jan 2022 22:26:17 +0100

RH358 configuring MariaDB SQL database -- installing MariaDB database

RH358 configuring MariaDB SQL database – installing MariaDB database Chapter 7 introduces how to configure the database MariaDB. Although it is not deep enough, it is a good start for beginners. It is a more practical chapter in 358 course. 1. Describe the importance of relational databases Relational databases store structure ...

Posted by synstealth on Tue, 04 Jan 2022 18:40:02 +0100