Installing Python 3.6.3 on CentOS7.3

[epipko]

I need to install latest version of Python and following this link: https://danieleriksson.net/2017/02/08/h ... on-centos/
When I run

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yum groupinstall -y "Development tools"

, I get the following:

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# yum groupinstall -y "Development tools"
Loaded plugins: fastestmirror, rhnplugin
This system is receiving updates from RHN Classic or Red Hat Satellite.
There is no installed groups file.
Maybe run: yum groups mark convert (see man yum)
Loading mirror speeds from cached hostfile
 * epel: s3-mirror-us-west-2.fedoraproject.org
Warning: Group development does not have any packages to install.
Maybe run: yum groups mark install (see man yum)
No packages in any requested group available to install or update

However, I can see this group in the list:

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# yum groups list

returns:

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Loaded plugins: fastestmirror, rhnplugin
This system is receiving updates from RHN Classic or Red Hat Satellite.
There is no installed groups file.
Maybe run: yum groups mark convert (see man yum)
Loading mirror speeds from cached hostfile
 * epel: s3-mirror-us-west-2.fedoraproject.org
Available Environment Groups:
   MATE Desktop
Available Groups:
   Additional Development
   Backup Client
....
   Desktop Platform Development
   Development tools
   Dial-up Networking Support
   Directory Client
....

Could someone provide some guidance, please?

[Mike_Rochefort]

Python 3.6 is not available in the standard repositories. Only Python 2.7 and 3.4 are. If you need higher versions, I suggest using the IUS repository and then installing python36u (can also do git2u for latest Git).

Also, if you're on CentOS, it should be Tools, not tools. How are you accessing Red Hat repositories?

[TrevorH]

And looking at your yum output it appears that you have disabled the base and updates repos.

Do not attempt to replace the system python with your own. All the RHEL tools like yum will break and will not work.