> Package python-devel.x86_64 0:2.7.5-76.el7 will be installed Im looking for solution to install package php72 by yum, when I try I still error : Processing Dependency /usr/sbin/semanage for package php72-runtime-2. and it seems that I dont have install policycoreutils-python-utils on RHEL 7.7 (Mapio). > Processing Dependency: python2-devel for package: python-virtualenv-15.1. python Python 3.6.8 (default, Sep 10 2021, 09:13:53) GCC 8.5.0 20210514 (Red Hat 8.5.0-3) on linux Type help, copyright, credits or license for more. > Package python-virtualenv.noarch 0:15.1.0-2.el7 will be installed Lets see how to install virtualenv on linux machine (RHEL 7), If for any reason Python 3 is missing in your Red Hat Enterprise Linux 8 installation, you’ll need to install it manually. But Python 2 remains available in RHEL 8. Getting command not found error since virtualenv is not available on your linux machine Finally, we will need to install the IUS package python36u-devel, which provides us with libraries and header files we will need for Python 3 development: sudo yum -y install python36u-devel. The default version of Python in RHEL/CentOS 8 is Python 3.6. These packages are ignoring the standard advice, which allows both to be installed in parallel.Īs for getting a non-conflicting Python 3 package for RHEL 7, that’s well covered in another answer on Stack Overflow.« Previous Next » Install virtualenv in Linux (RHEL 7/ Fedora / CentOS)
That “if” can bite you: some packagers have created Python 3 packages with a /usr/bin/python or similar, which creates a conflict. Scripts that assume Python 2 will call it as python in shebang lines and such, so there is not in fact a conflict between the old version and your newer version's python3 binary and everything that depends on it, as long as your binary Python packages are built properly.
How? It starts with the fact that one should always call Python 3 as python3, since that insulates you from the major version compatibility problem. If you outright replace Python 2 with 3, you'll break several of the OS's core tools.Įven if that were not the case, your question is based on an incorrect premise, being that completely replacing Python 2 with Python 3 is a good idea in the first place. RHEL 7 and its derivatives depend on Python 2 at a very deep level.
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