Tag：environment variable
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Time：2021-6-13
catalogue Construction of java development environment JDK download and installation Jdk8 Download JDK uninstall JDK installation Configure environment variables JDK directory introduction HelloWorld and simple grammar rules Write, compile and run hello. Java Common mistakes Compiled and interpreted Installation and use of Notepad + + Construction of java development environment JDK download and installation Jdk8 […]
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Time：2021-6-12
1、 Nodejs (1) Nodejs installation This step is very simple. Download the Windows version of nodejs and install it according to the prompts. Remember to add nodejs to path. If there is no nodejs on the interface, it should be done for you by default. You can ignore my nonsense. Verify whether it is installed […]
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Time：2021-6-12
instructions # su -h Usage: Su [option] [-] [user [parameter]…] Change the valid user ID and group ID to the ID of user. If user is not specified, the default is root. Options: -, – L, – login switches the environment variables (home, shell, user, logname, path, etc.) at the same time. If it is […]
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Time：2021-6-11
Supervisor is a process monitor in Linux operating system. It can restart automatically when a program fails. Supervisor is applicable to almost all platforms except windows, including Linux, Mac OS X, Solaris and FreeBSD. It’s written entirely in Python, so you don’t need a C compiler to install it. install Install via PIP: pip install […]
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Time：2021-6-9
Video address: [hacker foundation] windows PowerShell script learning Study notes on December 5, 2019 1. $psversiontable: view the version information of PowerShell. 2. PowerShell interface: Start searching for “PowerShell” in the interface, and click “PowerShell. Exe” or “PowerShell ISE”. Enter “PowerShell” in the command interface of CMD. 3. PowerShell shortcut Alt + F7: clear command […]
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Time：2021-6-9
Sudo authorization needs to be cautious, otherwise two lines of tears! Sudo stands for “superuser do”, which allows an authenticated user to run commands as another user. Other users can be ordinary users or super users. Most of the time, however, we use it to run commands instead of using root directly. Sudo command is […]
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Time：2021-6-8
Building windows environment Step 1: prerequisite – install git (otherwise an error will be reported later) Step 2: download the SDK of flutter and unzip it (direct download is slow, use the following method) 1. Right click the download button on the official website, copy the link address, and change the original address (Mac version […]
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Time：2021-6-7
Installing gcc-4.4 and G + + – 4.4 If VIM is not installed, you can use GEDIT sudo vim /etc/apt/sources.list sudo gedit /etc/apt/sources.list Add at the end of the file: deb [URL] trusty main universe deb [URL] trusty-updates main universe [url] represents your source address. For example, my system source address is main server, so […]
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Time：2021-6-7
Preparation environment: Hadoop basic environment (3.1.3) Hive version 3.1.2 Download address:https://hive.apache.org/downloads.html Hive3. X supports Hadoop 3. X, hive2. 0 supports Hadoop 2. X 1. Upload the installation package and unzip the file tar -zxvf Corresponding package name 2. Create a soft connection ln -s apache-hive-1.2.2-bin hive 3. Modify environment variables vim ~/.bash_profile […]
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Time：2021-6-6
Installation and configuration of Maven in win10 Link to the original text:www.cnblogs.com/wkrbky/p/6350334.h… Maven installation configuration (windows10) Want to installApache MavenOn Windows system, you need to download Maven’s zip file, unzip it to the directory you want to install, and configure Windows environment variables. Tools required: JDK 1.8 Maven 3.3.9 Windows 10 notesMaven 3.2 requires JDK […]
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Time：2021-6-6
1. Mongodb installation Download the installation package from the official website and install it. To customize the installation path, select the custom option. My installation directory isd:\MongoDBThe following parameter setting is subject to this, you can change it to your own 2. After the installation, add the Mongo command to the environment variable My computer […]
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Time：2021-6-4
JDK download and installation Zulu JDK is recommended for JDK. This is a JDK adapted to arm architecture. Download link:Download addressAccording to the needs of the choice. DMG format JDK download, and then install it directly, this will automatically configure the environment variables, do not need to configure their own, just test it directly. Maven […]
