### Install OpenStack CLI in Virtual Environment Source: https://help.dreamhost.com/hc/change_language/en-us_return_to=%2Fhc%2Fen-us%2Farticles%2F235817468-Getting-started-with-the-OpenStack-command-line-client Installs the OpenStack command line client within a virtual environment. This method isolates the installation and is recommended for managing dependencies. It involves creating, activating, and then using pip to install the client. ```bash [user@localhost]$ virtualenv ~/venv [user@localhost]$ source ~/venv/bin/activate (venv)user@localhost$ pip install python-openstackclient ``` -------------------------------- ### Upgrade Setuptools for Installation Issues Source: https://help.dreamhost.com/hc/change_language/en-us_return_to=%2Fhc%2Fen-us%2Farticles%2F235817468-Getting-started-with-the-OpenStack-command-line-client Upgrades the setuptools package to resolve potential errors during the installation of Python packages, specifically the 'Command python setup.py egg_info failed with error code 1' error. This is a common fix for installation problems. ```bash [user@localhost]$ pip install --upgrade setuptools ``` ```bash [user@localhost]$ pip3 install --upgrade setuptools ``` -------------------------------- ### Select local::lib for Module Installation Source: https://help.dreamhost.com/hc/change_language/en-us_return_to=%2Fhc%2Fen-us%2Farticles%2F217716877-CPAN Chooses 'local::lib' as the preferred method for handling module installations without root privileges. This ensures modules are installed in the user's home directory. ```shell Warning: You do not have write permission for Perl library directories. To install modules, you need to configure a local Perl library directory or escalate your privileges. CPAN can help you by bootstrapping the local::lib module or by configuring itself to use 'sudo' (if available). You may also resolve this problem manually if you need to customize your setup. What approach do you want? (Choose 'local::lib', 'sudo' or 'manual') [local::lib] ``` -------------------------------- ### Install Pip Package Manager Source: https://help.dreamhost.com/hc/change_language/en-us_return_to=%2Fhc%2Fen-us%2Farticles%2F235817468-Getting-started-with-the-OpenStack-command-line-client Installs or verifies the installation of the pip package manager, which is used to install Python packages. The commands differ based on whether you are using Python 2 or Python 3. ```bash [user@localhost]$ pip -V ``` ```bash [user@localhost]$ pip3 -V ``` ```bash [user@localhost]$ sudo apt-get install python-pip ``` ```bash [user@localhost]$ sudo apt-get install python3-pip ``` -------------------------------- ### OpenStack Server Create Help Command Source: https://help.dreamhost.com/hc/change_language/en-us_return_to=%2Fhc%2Fen-us%2Farticles%2F216511617-How-to-launch-an-instance-using-the-OpenStack-CLI This command displays the help documentation for the OpenStack server create command. It provides a comprehensive list of available options, parameters, and usage examples for creating server instances. ```bash [user@localhost]$ openstack help server create ``` -------------------------------- ### Install Python Development Headers Source: https://help.dreamhost.com/hc/change_language/en-us_return_to=%2Fhc%2Fen-us%2Farticles%2F235817468-Getting-started-with-the-OpenStack-command-line-client Installs the necessary development headers for Python, which are required for building Python extensions when installing packages like the OpenStack client using pip. This is a prerequisite for the OpenStack client installation. ```bash [user@localhost]$ sudo apt-get install python2.7-dev ``` ```bash [user@localhost]$ sudo apt-get install python3-dev ``` -------------------------------- ### Initialize Git Repository Source: https://help.dreamhost.com/hc/change_language/en-us_return_to=%2Fhc%2Fen-us%2Farticles%2F216445317-Set-up-a-Git-repository Initialize a new, empty Git repository in the current directory. This command creates a hidden .git subdirectory where Git stores metadata. ```bash [server]$ git init Initialized empty Git repository in /home/username/example.com/.git/ ``` -------------------------------- ### Navigate to Application Directory Source: https://help.dreamhost.com/hc/change_language/en-us_return_to=%2Fhc%2Fen-us%2Farticles%2F216445317-Set-up-a-Git-repository Change the current directory to your application's or website's root folder. This is where the Git repository will be initialized. ```bash [server]$ cd /home/username/example.com ``` -------------------------------- ### Install Virtualenv for Python Source: https://help.dreamhost.com/hc/change_language/en-us_return_to=%2Fhc%2Fen-us%2Farticles%2F235817468-Getting-started-with-the-OpenStack-command-line-client Installs the virtualenv package, which allows you to create isolated Python environments. This is a crucial step for installing the OpenStack CLI in a virtual environment to avoid conflicts with system-wide packages. ```bash [user@localhost]$ sudo apt-get install python-virtualenv ``` -------------------------------- ### Shell Script for Boot-Time Package Installation (Bash) Source: https://help.dreamhost.com/hc/change_language/en-us_return_to=%2Fhc%2Fen-us%2Farticles%2F215912798-Configuring-your-instance-during-boot-with-a-user-data-file This is an example shell script designed to run during instance boot. It updates the package list and installs the 'python3-pip' package, then upgrades pip. This script is executed via the user data file specified during instance creation. ```bash #!/bin/sh # Example script to run at boot # This installs pip3 apt update apt -y install python3-pip pip3 install --upgrade pip ``` -------------------------------- ### CPAN Module Installation Prefix Path Source: https://help.dreamhost.com/hc/change_language/en-us_return_to=%2Fhc%2Fen-us%2Farticles%2F217716877-CPAN Defines the installation directory for Perl modules when using the PREFIX variable. This is crucial for specifying a custom location for installed modules, ensuring they are placed in the designated perlmods directory. The path provided is an example and should be adjusted to the user's specific directory. ```text PREFIX=/home/username/perlmods ``` -------------------------------- ### Install IO::Compress Module (Makefile.PL) Source: https://help.dreamhost.com/hc/en-us/articles/217716877-CPAN Commands to install the IO::Compress module. It involves running 'perl Makefile.PL' with a PREFIX argument, modifying the generated Makefile, and then proceeding with standard 'make' commands. This manual intervention is required due to specific installation path issues with this module. ```shell [server]$ perl Makefile.PL PREFIX=~/perlmods ``` ```makefile INSTALLARCHLIB = /usr/lib/perl/5.10 ``` ```makefile INSTALLARCHLIB = $(SITEPREFIX)/lib/perl/5.10 ``` ```shell make make test make install ``` -------------------------------- ### Initialize CPAN Configuration Source: https://help.dreamhost.com/hc/change_language/en-us_return_to=%2Fhc%2Fen-us%2Farticles%2F217716877-CPAN Starts the CPAN interactive shell and initiates the configuration process. If this is the first run, it will prompt for automatic configuration. ```shell [server]$ cpan ``` -------------------------------- ### Install OpenStack Client on Instance Source: https://help.dreamhost.com/hc/change_language/en-us_return_to=%2Fhc%2Fen-us%2Farticles%2F218501427-Migrate-instances-between-DreamCompute-clusters Installs the Python OpenStack client and its dependencies on an instance. This is a prerequisite for interacting with the OpenStack API from the command line. It requires root privileges. ```bash [user@instance]$ sudo -i [root@instance]# apt-get install python-dev python-pip [root@instance]# pip install python-openstackclient ``` -------------------------------- ### Install OpenStack CLI Globally Source: https://help.dreamhost.com/hc/change_language/en-us_return_to=%2Fhc%2Fen-us%2Farticles%2F235817468-Getting-started-with-the-OpenStack-command-line-client Installs the OpenStack command line client globally on your system using pip. This method is simpler but may lead to dependency conflicts. Commands are provided for both Python 2 and Python 3. ```bash [user@localhost]$ sudo pip install python-openstackclient ``` ```bash [user@localhost]$ sudo pip3 install python-openstackclient ``` -------------------------------- ### Install DateTime Module with install_base Source: https://help.dreamhost.com/hc/change_language/en-us_return_to=%2Fhc%2Fen-us%2Farticles%2F217716877-CPAN Command to install the DateTime module using the 'Build install' command with the '--install_base' option, directing the installation to a specified directory. ```bash [server]$ ./Build install --install_base ~/perlmods ``` -------------------------------- ### Add Local Files to Instance During Creation Source: https://help.dreamhost.com/hc/change_language/en-us_return_to=%2Fhc%2Fen-us%2Farticles%2F216511617-How-to-launch-an-instance-using-the-OpenStack-CLI This example demonstrates how to include local files within the instance's file system at the time of creation using the --file parameter. It allows specifying a destination filename on the instance and the source filename on the local system. Up to five files can be added this way. ```bash --file /root/.ssh/authorized_keys=special_authorized_keysfile ```