How to check all versions of python installed on osx and centos
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I just started setting up a centos server today and noticed that the default version of python on centos is set to 2.6.6. I want to use python 2.7 instead. I googled around and found that 2.6.6 is used by system tools such as YUM so I should not tamper with it. Then I opened up a terminal on my mac and found that I had python 2.6.8 and 2.7.5 and 3.3.3 installed. Sorry for the long story. In short I just want to know how to lookup all the version of python installed on centos so I don't accidentally install it twice.
yum list installedcommand to find the packages you installed.
Setup Instructions: OS X, I'd love to know what you think about Python Crash Course. Checking your current version of Python; Installing Python 3.5; Installing Sublime Text start a terminal session on your system, you shouldn't have to configure Sublime Text at all. Then I opened up a terminal on my mac and found that I had python 2.6.8 and 2.7.5 and 3.3.3 installed. Sorry for the long story. In short I just want to know how to lookup all the version of python installed on centos so I don’t accidentally install it twice.
The more easy way its by executing the next command:
ls -ls /usr/bin/python*
Output look like this:
/usr/bin/python /usr/bin/python2.7 /usr/bin/pythonw /usr/bin/python-config /usr/bin/python2.7-config /usr/bin/pythonw2.7
How to Check Python Version in Linux, Mac, & Windows, Learn how to check your Python version in several different operating systems, including Windows, Linux, and Most modern Linux distributions come with Python pre-installed. The system will return any results that match. How to Check Python Version in Script When writing an application, it is helpful to have the software check the version of Python before it runs to prevent crashes and incompatibilities. Use the following code snippet to check for the correct version of Python:
Find out which version of Python is installed by issuing the command python --version: $ python --version Python 2.7.10
If you see something like this, Python 2.7 is your default version. You can also see if you have Python 3 installed:
$ python3 --version Python 3.7.2
If you also want to know the path where it is installed, you can issue the command "which" with python and python3:
$ which python /usr/bin/python $ which python3 /usr/local/bin/python3
Managing Multiple Python Versions With pyenv – Real Python, In this step-by-step tutorial, you'll learn how to install multiple Python versions and switch versions of Python but aren't sure how you would easily test all the versions? If you're on Mac or Linux, then by default, when you type python in your How to check all versions of python installed on osx and centos Tag: python , linux , osx , centos , version I just started setting up a centos server today and noticed that the default version of python on centos is set to 2.6.6.
As someone mentioned in a comment, you can use
which python if it is supported by CentOS. Another command that could work is
whereis python. In the event neither of these work, you can start the Python interpreter, and it will show you the version, or you could look in
/usr/bin for the Python files (python, python3 etc).
How to Check Python Version, This article explains how to check what version of Python is installed on your For example, 3.6.6 , 3.6.7 , and 3.6.8 are all part of the Python 3.6 minor version. Python is pre-installed on most Linux distributions and macOS. Python is a high-level, general-purpose programming language created by Guido van Rossum. It was first released in 1991. Generally, Linux based distros have pre-installed Python version. This tutorial will help you to find the current version of Python installed on your Linux system using the command line. python -V Output: Python 2.7.12 The systems have […]
Here is a cleaner way to show them (technically without symbolic links):
ls -1 /usr/bin/python* | grep '[2-3].[0-9]$'
grep filters the output of ls that that has that numeric pattern at the end ($).
find /usr/bin/python* ! -type l
Which shows all the different (
!) of symbolic link type (
How to Check and Verify the Version of Python, Microsoft Windows, and Mac OS X. Pre-Flight I'll be working from a Liquid Web Core Managed CentOS 7 server, and I'll be logged in as root. Check Check the version of Python installed with the following command: python -- Hosting Advisor Are there any questions I could help answer for you today? Check the version of Python installed with the following command: python --version. Which should yield a response similar to: Python 2.7.5. Enter the Python command line with the following command: python. This command should generate a command line similar to:
Install, Uninstall, and Manage Multiple Versions of Python on a Mac , Mac OS needs python. DO NOT remove any versions of Python found in the following folders: /usr/bin; system/Library. There are a couple of ways you can do that. Following are the two ways that will work for you to get this list…. 1. Using help () function (without pip): The simplest way is to open a Python console and type the following command…. help ("modules") This will gives you a list of the installed module on the system.
Check Python version from command line / in script, Check the Python version on the command line: --version, -V, -VV This post introduces how to check, get and print the version of Python installed and the version of The content of the script is the same on Windows, Mac, and Linux such as Ubuntu. Each value can be obtained by specifying an index. If you have more than one version of Python installed on your CentOS 8, you may need to set the default version of Python. Configuring the default version helps applications and programs that require a python command to navigate to the appropriate location. Set Python 3 or Python 2 as the system-wide python command.
Installing Python 2 on Windows, Check out our guide for installing Python 3 on Windows. First, download the latest version of Python 2.7 from the official website. Typing the full path name for a Python interpreter each time quickly gets tedious, so add the directories for your Previous: Installing Python 2 on Mac OS X; Next: Installing Python 2 on Linux The system manager tool YUM and DNF packages use Python in system libraries. In this article, you will learn how to install Python 2 and Python 3 on CentOS 8. Before you can begin installing Python 2 and Python 3, there are a few prerequisites that must be met. Pre-requisites. You must be login as the root user or you have Sudo command privileges.
- does centos have the
which -a python?
- See e.g. stackoverflow.com/q/28288095/3001761
- It doesn't give the list of python installed in the system. SO want python versions, not the list of packages. The @gabriel answer is good according to me. You can also use "whereis python" . it also gives the list of python on my centos and Mac system.
- In that case you can do
yum list installed | grep python
- Bro already has done. Now it is showing list python packages NOT list of python versions
- This answer is not very specific, please edit it to clarify the intention.
- This one did it for me. which python etc only give me the current version in use, not the other installed ones.
- Careful, some could be installed in usr/local too. So run this too. ls -ls /usr/local/bin/python*
- With this answer i can see all the python versions installed. works perfect ubuntu 17.04
- For OSX users, python2.7 comes pre-installed in /usr/bin/ but any python versions that were downloaded and installed by a user are likely in /usr/local/bin/ (see OutOnAWeekend's comment).
- This assumes that the user knows they have python2.x and python3.x. What if they have anaconda and want to see those versions? This isn't general enough be be helpful.