fedora opens apache and directory browsing mode

A file server is temporarily needed in the intranet, so you are ready to install an http server and enable directory access. This time, use apache on the fedora 28 machine:   Because fedora 28 already contains httpd software, it uses systemctl start httpd can start. The directory access permission is enabled by default at startup, but the first ...

Posted on Fri, 31 Jan 2020 04:23:04 -0800 by ziah75

WeChat Login under SSM Framework

typora-root-url: D:\Programming Projecttypora Document\Picture Directory WeChat Login under SSM Framework First look at the official login process, then follow the steps one by one 1. Get CODE First get the code using the method provided by WeChat, use the wx.login() method, and also encapsulate ...

Posted on Thu, 30 Jan 2020 19:47:43 -0800 by Nik

OKHttpUtils of Android framework

OKHttpUtils is a encapsulation class of OKHttp. OKHttp has many functions, such as file upload and download, text data request get and submit post, Download picture, etc   Three jar packages need to be imported: okhttp-3.4.1.jar, okhttputils-2 ﹣ 6 ﹣ 2.jar, and okio-1.9.0.jar. I have collected them. Here is the download addr ...

Posted on Thu, 30 Jan 2020 08:01:42 -0800 by show8bbs

Deal with Mina's package sticking and package breaking (with complete instance, client and server)

1. What is broken package and sticky package? Before talking about breaking and sticking packets, we first talk about message protection boundary and no message protection boundary. 1. Protected message boundary means that the transmission protocol transmits data as an independent message on the Internet, and the receiver can only receive indep ...

Posted on Wed, 29 Jan 2020 00:38:55 -0800 by kamasheto

ansible script operation

inventory host list The default host list of ansible is the / etc/ansible/hosts file. The host list can be set manually or generated dynamically through Dynamic Inventory. Generally, the host name uses FQDN vi /etc/ansible/hosts[webserver] ා set group name with square bracketswww1.example.org ා ...

Posted on Mon, 27 Jan 2020 02:12:44 -0800 by wilku

Talk about rocketmq's SequenceProducerImpl

order This article mainly studies rocketmq's SequenceProducerImpl SequenceProducerImpl io/openmessaging/rocketmq/producer/SequenceProducerImpl.java public class SequenceProducerImpl extends AbstractOMSProducer implements SequenceProducer { private BlockingQueue<Message> msgCacheQueue; public SequenceProducerImpl(final KeyValue p ...

Posted on Fri, 24 Jan 2020 09:14:10 -0800 by bull

2. Hive installation tutorial

VX: Data Science Lecture 1. Prepare hive installation package Download the hive installation package according to the 1.1 tutorial 1.1 download hive Download address After opening the download address, click apache-hive-1.2.2-bin.tar.gz as shown below to download 1.2 upload hvie installation package Based on our previous environment installati ...

Posted on Wed, 22 Jan 2020 09:20:36 -0800 by $var

linux big data cluster building -- cloud server hadoop cluster building

Catalog Step 1: hadoop package download Step 2: upload the apache hadoop package and extract it Step 3: modify the configuration file 1 modify core-site.xml 2 modify hdfs-site.xml 3 modify hadoop-env.sh 4 modify mapred-site.xml 5 modify yarn-site.xml 6 modify mapred env.sh 7 modify slaves ...

Posted on Wed, 22 Jan 2020 02:21:33 -0800 by MortimerJazz

Process and key code analysis of Hbase Clinet scan

  1, Hbase Connection 1. What kind of connection is created by   org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(Configuration, ExecutorService, User) //Initialized by ConnectionImplementation by default String className = conf.get(ClusterConnection.HBASE_CLIENT_CONNECTION_I ...

Posted on Mon, 20 Jan 2020 07:51:08 -0800 by manianprasanna

Tomcat basic "three" -- load balancing

Tomcat basic "one" -- WEB TechnologyTomcat foundation II -- Introduction to Tomcat Foundation load balancing The problem of dynamic servers is that the concurrency is too weak, and multiple dynamic servers are often needed to provide services together. How to suppress concurrent Force alloca ...

Posted on Sun, 19 Jan 2020 07:00:50 -0800 by mband2000