• A tutorial of installing Oracle 19C in RPM mode on ol7.6


    Set host name [[email protected] ~]# cat /etc/hosts localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 study1.localdomain study1 [[email protected] ~]# cat /etc/hostname study1.localdomain Installation environment preparation tool In fact, it can be installed directly by rpm. It will automatically solve the dependency problems, including environment preparation tools. However, Oracle users do not have […]

  • Complete removal of mongodb installation and configuration file options


    Installation part 1. installation package 1.1 mongodb-orgThe following four packages can be installed automatically 1.2 mongodb-org-serverMongod process and configuration file, start script 1.3 mongodb-org-mongosMongos process 1.4 mongodb-org-shell mongo shell 1.5 mongodb-org-toolsOther mongodb tools, mongoimport, mongoexport, mongodump, monggrestore, mongofiles, bsondump, mongooplog, mongoperf, mongostat, mongotop, (mongosniff) 2. Script file 2.1 /etc/rc.d/init.d/mongodStartup script 2.2 /etc/mongod.confconfiguration file 3. Install […]

  • Two ways to install redis in Ubuntu


    Preface Redis is recognized as the fastest memory based key value pair database at present, but its disadvantages are also very obvious. It only provides the most basic hash set, list, sorted set and other basic data types based on data type, no table, no schema, no index, no foreign key, no int / date […]

  • About MSSQL 2005 installation and patch


    Later, it was verified that MS SQL version was the problem.So how can we view the current database server information?1 database server properties can be viewed2 execute T-SQL Copy codeThe code is as follows: select Convert (sysname, serverproperty (‘servername ‘)) n’ database instance name ‘,Serverproperty (‘productversion ‘) n’ database version ‘,Serverproperty (‘edition ‘) n’ database […]

  • How to install MySQL 8.0 and log in MySQL under Mac OS


    According to the official tutorial, download the installation package, click Install, and set the command path if you want to start from the command line: On the command line, open the configuration file .bash_profile: vim ~/.bash_profile On the last line, add: PATH=$PATH:/usr/local/mysql/bin Press ESC key and input WQ to save and exit. At the command […]

  • Detailed explanation of the installation and deployment of redis on centos7


    Redis is an advanced key value database. It is similar to memcached, but the data can be persisted and the supported data types are rich. There are strings, lists, sets, and ordered sets. It supports the calculation of union, intersection and complement of sets on the server side, as well as multiple sorting functions. So […]

  • Mysql-8.0.15-winx64 using zip package for installation and immediate shutdown after service startup


    The MySQL version used in this example is mysql-8.0.15-winx64 1. Download the zip package Official website address: https://dev.mysql.com/downloads/mysql/ 2, installation After unzipping, copy the unzipped files to the installation directory that I prefer. For example, I like to be under Disk C, as shown in the figure: The file circled in red box in the […]

  • How does CentOS check that a package is installed?


    1. If the RPM package is installed, you can see it with RPM – QA. If you want to find out whether a package is installed, use RPM – QA | grep “software or package name”. 2. If it is installed in DEB package, it can be seen with dpkg-l. If you want to find […]

  • Installation tutorial of mongodb windows extract


    Create a directory as follows Decompress mongodb‘s compressed package to mongodb directory Create data directory to store data under mongodata; create log directory to store data CMD input command: D:\mongo\mongodb\bin\mongod.exe –dbpath “D:\mongo\mongodata\data” –logpath “D:\mongo\mongodata\log\MongoDB.log” –install –serviceName “mongo” –logappend –directoryperdb Function The above is a detailed explanation of the installation tutorial of mongodb windows decompression version […]

  • The difference between common commands like NPM install-save and –save-dev (-s and -d)


    Several common commands Install module in project directory npm install moduleName #-g means to install the module globally npm install moduleName -g #-save means to install the module in the project directory and write dependencies on the dependencies node of the pack.json file. npm install moduleName -save #–save-dev means to install the module in the […]

  • Oracle installation and uninstallation tutorial details


    Details of Oracle installation and uninstallation steps are provided for your reference. The specific contents are as follows Oracle installation steps 1. Unzip win32-11gr2-database-1of2.zip and win32-11gr2-database-1of2.zip to the current directory (PS: select two compression packages and right-click to unzip to the current folder; must unzip at the same time, cannot unzip separately, or the file […]

  • Mongodb 3.2.5 installation details


    1. Prepare installation media Installation media Download: In mongodb installation mode, I usually use binary package mode. The intranet cannot be configured with Yum source connected to the Internet. The official recommended mongodb download address is Downloads.mongodb.org But in fact, it’s hard to find the download table at this address. You can download it normally […]