dockerfile env

Set,env and export three commands can be used to display shell variablesset displays variables for the current shell, including variables for the current user env Displays the current user's variables Export Displays the shell variables currently exported as user variablesEach shell has its own unique variable, which is different from the user variable. The current user variable has nothing to do with what

Differences between set, env, and export and setenvexport Set: display the current shell variables, including the current user Variables Env: Display User Variables Export: displays the shell variables currently exported as user variables. For example: Root @ kali :~ # Aaa = bbb: Set a variable. The variable set at this time is a shell variable.Root @ kali :~ # Echo $ aaa display the variable you just setBb

Crontab is a scheduled task in Linux, but the task plan before the persecution using the ENV environment variable is not working, let's look at how to solve the crontab problem caused by the ENV environment variable. A friend said that he wrote a script to do the scheduled task to back up the database, but the backup is not successful, manual execution of the script is not a problem, and in the/var/log/c

Dockerfile implements the client to access the container's desktop and pseudo terminal through the Web page, the main tool is guacamole.First of all, the Guacamole,guacamole is a VNC client based on HTML5 and Ajax technology, with which it can quickly access the Xwindows system interface on the VNC server directly through a Web browser. Youku has a video presentation on guacamole in http://v.youku.com/v_show/id_XMTg4ODgwNDg0.htmlgit on

In earlier versions, Laravel used the php file in the config folder to complete the configuration required for the project. later, it used. env to place some configurations from about 5. The following article describes the configuration of the. env file of laravel, a PHP Framework. For more information, see. In earlier versions, Laravel used the php file in the config folder to complete the configuration re

Automated O M tool Fabric-password Management (env. password and ssh key) When Fabric is used, if a large number of servers are used for processing, we need to configure the host password. The password of each host is the same, but different, you need to configure different hosts. The following two configuration methods are available: Note: This document mainly references Password management and grimnes Using SSH keys with Fabric.Env. password Fabric

To describe JNDI, for example, when obtaining a data source, the JNDI address can be written in either of the following ways:A: Java: COMP/ENV/jdbc/testdsB: JDBC/testds The configuration methods are also different. The first method is a method that facilitates program transplantation or migration. Its implementation is the same as the concept of "ing, method B is a hard reference.Java: COMP/ENV is the envir

LinuxEnv IN THE SYSTEMCommandThe current user's environment variables can be displayed, and other commands can be executed under the specified environment variables. The following compares the similarities and differences between the set, env, and export commands: The set command displays the current shell variables, including the current user variables; The env command displays the current user variables;

In some Linux scripts, you need to specify the script's interpreter at the beginning of the line, such as:!/usr/bin/env pythonAgain such as:!/usr/bin/env PerlSo what's the use of env? When do you use this?The reason why the script is started with Env is that the script interpreter may be installed in different director

The first line of the scripting language is to point out that you want the code in your file to run it with whatever executable program it is, so simple#!/usr/bin/python is to tell the operating system to execute the script, call/usr/bin under the Python interpreter;#!/usr/bin/env python is used to prevent operating system users from not loading Python into the default/usr/bin path. When the system sees this line, it will first find the Python install

Env namespace Provides information about browsers and operations, and tells us what functions modern browsers provide. Ext. Env. Browser This class provides metadata of all browsers (names, engines, versions, strict mode, etc.) for Global Object Ext. Ext. Env. featuredetector This is a completely new function that does not have a class in ext3. Its function is to

Laravel project. by default, an env file is stored in the root directory of the project. Can you modify the storage location of this file? for example, if you want to cut it to the top Directory of the root directory of the project, put it to the top directory, how does this file work like it used? Laravel project. by default, an env file is stored in the root directory of the project. Can you modify the st

Every time you change the. Env, do you have to change it by changing the code? env file can be configured in the background? In fact, it is very simple to implement, add the following function to your project function modifyenv (array $data) { $envPath = Base_path (). Directory_separator. '. Env '; $contentArray = Collect (File ($envPath, file_ignore_new

After reading some frameworks, many of them use define to define many system parameters at the system core entrance. However, we recently see that some of them are defined in $ _ SERVER and even $ _ ENV. Although all functions can be implemented, I have been confused. What are the advantages of this definition? Or... after reading some frameworks, many of them use define to define many system parameters at the system core entrance. However, we recentl

PHP framework laravel. env file configuration tutorial, Preface We should all know that when using the laravel framework to develop PHP programs, the framework is configured. the env file is crucial. You need to configure the database, database users, and cache for this file. Let's take a look at the detailed configuration tutorial. 1. Configure APP_KEY The laravel framework hardcoded symmetric encryption k

A friend said that he wrote a script to do the scheduled task to back up the database, but the backup is not successful, manual execution of the script is not a problem, and in the/var/log/cron log to see the successful execution, but is not see the backup database files. With SSH permissions, after the login, after reading, and what he said, the script executes successfully, but no backup is generated. However, check the email sent to root and see the problem:Return-path: X-original-to:rootDe

containers to be shared.Ii. creating a mount point from DockerfileThe mount points that are created above with the-V identity of the Docker Run command are valid only for the container that you create.The dockerfile VOLUME instruction allows you to create a mount point in the mirror so that only the containers created through the image have mount points.Another difference is that the mount point created by the VOLUME instruction cannot specify the co

We will first manually create a container that can ssh login, and then follow the steps to write Dockerfile, the Docker build based on the dockerfile image creation, finally we can use this image to generate SSH login container.First, create a container and log in[[emailprotected]~]#dockerimagescentosrepository TAG IMAGEID CREATEDVIRTUAL sizecentoscentos7 ae0c2d0bdc10 4weeksago224 mbcentoslatest ae0c2d0bdc1

1. Create related catalogue[[Email protected]~]# mkdir/docker/sshd–p2. Write Dockerfile[Email protected]]# vim Dockerfile# This is a dockerfile# Version 1# by Kevin# Base ImageFrom CentOS# maintainerMaintainer Kevin kevinhao.blog.51cto.com# Commands# Install and Configure sshdRUN Yum Install-yopenssh-serverRUN sed-i ' s/usepam yes/usepam no/g '/etc/ssh/sshd_confi

Tags: monogdb service mirror① view content, including written dockerfile and a number of scripts.Download the MongoDB mirroring project from the GitHub Dockerpool community account:git clone https://github.com/DockerPool/Mongodb.git and modify the file[[email protected] mongodb]# lsDockerfile Mongodb-3.2.repo mongodb-linux-x86_64-rhel70-3.6.0.tgz run.sh set_mongodb_password.shThe contents of Dockerfile incl