Tag：Big data
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Golang installation steps
1. First find the resource download address: https://studygolang.com/dl 2. After downloading (the following figure shows the downloaded file) Create a new folder install_ Path as the installation directory Install here_ File is the downloaded resource file, install_ Path is the file generated after installation 3. Double click to open the downloaded file, next all the […]
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[penetration test] password brute force cracking tool — detailed explanation and actual combat of Hydra
catalogue Hydra Hydra usage method case analysis Break SSH login password Environment introduction Start blasting Cracked successfully Test login Summary of various protocol cracking FTP protocol cracking HTTP protocol cracking HTTPS protocol cracking Router cracking HTTP proxy protocol cracking SMB cracking Windows remote desktop Mailbox POP3 Telnet cracking Voice communication tool TeamSpeak cisco Hydra Hydra […]
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Solution to the blue screen problem of VMware virtual machine startup
Machine configuration: Huawei matebook2021, the latest version of VMware, and many versions of Linux (including CentOS and Ubuntu) Final solution: Update the software to the latest version in VMware software, and the blue screen problem can be solved. As shown below: The updated version is 16.2. (on 22 November 21) To sum up the statement […]
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Learn to use kingbasees database (PostgreSQL version) on Linux
Learn to use kingbasees database (PostgreSQL version) on Linux Article catalogue Learn to use kingbasees database (PostgreSQL version) on Linux preface environment I. Introduction to kingbasees database 1 role Database administrator (system) Security administrator (SSO) Audit administrator (SAO) Common commands 1. Start database service Start the database using the Kingbase command Using sys_ ctl systemctl […]
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Virtual machine installation (nanny tutorial)
Virtual machine installation (nanny tutorial) Zero. Resources required for the tutorial 1、 Virtual software installation 2、 Virtual computer creation 3、 Linux system installation 4、 Simple setup 1. Apt source update 2. VMware Tools installation 5、 Common problems and Solutions 1. Vmware tools installed but not effective 2. The initial installation of Ubuntu 18.04 found that […]
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[entry 14] windows installation Huawei opengauss database — opengauss based on x86 architecture, openeuler virtual machine compilation and JDBC connection
1. Hype-v virtual machine installation openeuler There are many virtual machine platforms, such asvmware、Hype-V、VirtualBoxWait, considering the compatibility with wsl2, hype-v is selected to install x86 architectureopenEuler openhype-vvirtual machine Download the x86 architecture openeuler imageOpen the official website of openeuler. We plan to use the long-term support version of openeuler-20.03-lts hereOpen in turnopenEuler-20.03-LTS-ISO-x86-64, selectopenEuler-20.03-LTS-x86_64-dvd.iso)Download openHyper-V, configuring […]
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Navicat quick start tutorial
When learning database, I often come into contact with Navicat, a tool for managing database. The following describes the use of this database management tool. Navicat tutorial directory 1、 Connection use 1.1 connecting to database 1.2 operation database 2、 Import backup 3、 Query data 4、 Modify user information 5、 Other operations 5.1 viewing database version […]
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Single cell sequencing process (VIII) single cell marker gene transformation and # go enrichment analysis
Catalogue of series articles Single cell sequencing process (I) introduction and data download Single cell sequencing process (II) data sorting Single cell sequencing process (III) quality control and data filtering – Seurat package analysis, violin diagram and gene dispersion scatter diagram Single cell sequencing process (IV) principal component analysis PCA Single cell sequencing process (V) […]
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Play elasticsearch go integration ES7 sixteen point two
Download dependency: go get -u github.com/olivere/elastic/v7 Init.go package main import ( “context” “fmt” “github.com/olivere/elastic/v7” “log” ) var ctx = context.Background() var Url = “http://127.0.0.1:9200” var esClient *elastic.Client var index = “student” //Structure type Student struct { Id int `json:”id”` Name string `json:”name”` Age int `json:”age”` Address string `json:”address”` } //Define some variables. Mapping is a […]
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Project architecture design — collaborative filtering real-time film recommendation system project series blog based on spark platform (4)
Catalogue of series articles First acquaintance recommendation system — blog series of collaborative filtering real-time film recommendation system project based on spark platform (I) Using user behavior data — blog series of collaborative filtering real-time film recommendation system project based on spark platform (2) Main effect display of the project — blog series of collaborative […]
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Summary of common database operation statements worthy of whoring (database, data table, data operation)
catalogue 1、 Database operation statement Create database operation modify the database New data file Add log file Rename database Modify file properties Delete database file Use database Delete database 2、 Data table operation statement New data table Create a new table from another table New column in data table Delete data table 3、 Data operation […]
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Big data benchmarking tool hibench deployment and testing
Big data benchmarking tool hibench deployment and testing Build hibench preparation Build process test Test Hadoop bench Test sparkbench Build hibench preparation To build the hibench test tool, you need to install the following software in Linux: Spark2.4.0 Scala2.11.12 Maven3.5.0 View installed software This is the version I installed. Take a look at my own […]