First of all, we will see how Python can be installed on the Linux systems, if it is not already there. Execute all the commands below as root either by temporarily logging in as root or by using sudo. Maybe I need to install dependencies outside of 3. I installed virtualenv without error, as in here: pip2. I only had one problem when I got to the portion of installing Distribute. ?? For example, I had to dig to find —enable-shared, which I needed. Please upgrade your Python as Python 2.
This is excellent, thank you very much. I searched the net for instructions and found this article that I think does a good job of explaining it: I need to update the article for Python 3. We will also show you how to create a Python virtual environment. So I have both python 2. For I have a server that works. Maybe I am missing something? I was wondering if you can provide any guidance on how to find and get these compiled in as well? Preparations — install prerequisites In order to compile Python you must first install the development tools and a few extra libs. It will be extracted to a directory - Python-3.
Can you elaborate a bit on installing an updated Python2. Previous Python version was 2. An alternative too using scl to call a new shell is to add a soft link e. I would recommend running following as root instead of using sudo. Because it is a critical part it is not getting updated, other than to plug security vulnerabilities. Thanks everyone else for your posts. I hope you can advice what to do next.
If I have root access I usually install things like this system-wide even if it is only used for development. Sloppy use of words on my part. Python is a quite versatile programming language, you can use it to do almost anything you want, write small scripts, build games, develop websites, create machine learning algorithms, analyze data and more. This is very useful when you work on multiple projects or on different versions of the same project. Be careful not to replace it or bad things will happen.
Depending on your version of wget, you may need to add the —no-check-certificate option to the wget command line. Each isolated Python environment also called sandbox can have its own Python version and packages. Virtualenv makes it possible to create isolated Python environments. Well explained, well guided, and complete. For example, if you want to install Python 2.
You need not download packages and their dependencies individually, which rather would have been a difficult task if there were no package managers. Thanks a lot in advance. Use this script to install packages for your new Python version. The error leading to this problem was: No module named yum Please install a package which provides this module, or verify that the module is installed correctly. I work in an environment where everything needs to be compiled from scratch, or purchased CotS. When you create a new virtualenv you will automatically get a copy of the proper version of python inside that folder structure. Create your first isolated Python environment Install virtualenv for Python 2.
In the last article of the series - , I have mentioned that, Python is available on most of the Linux distributions, nowadays, normally Python version 2. You are right that shared executable is the same as shared library in this case. After running the commands above your newly installed Python 2. Running transaction test Transaction test succeeded. This will leave default python in place and give a python2.
I read your post above and tried to install python 2. This is how I personally run python for a couple of Django websites that I manage. If you use a different prefix then the risk of problems will be much lower. It all worked until I saw this: ————————————————————————————— Python build finished, but the necessary bits to build these modules were not found: bsddb185 dl gdbm imageop sunaudiodev To find the necessary bits, look in setup. When you get to the point where you would normally run 'make install', you want to run 'make altinstall'.