This error message is usually caused when you do not have scl-utils installed. Try doing

yum install scl-utils
Answer from nikoo28 on Stack Overflow
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Command Not Found
command-not-found.com › scl
command-not-found.com – scl
curl cmd.cat/scl.sh · CentOS · yum install scl-utils-1 · Fedora · dnf install scl-utils-1 · Dockerfile · dockerfile.run/scl · $ try this command on-line!
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GitHub
github.com › eclipse-che › che › issues › 17052
Fix `scl: command not found` issue on periodic tests · Issue #17052 · eclipse-che/che
June 1, 2020 - We have been trying to fix the issue for a while. Now we got an advice (from Fabian Arrotin arrfab@centos.org) which should fix the problem: Haven't parsed you whole .sh script but you point only to centos-release-scl in [2] while in you...
Author   eclipse-che
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Linux Man Pages
linux.die.net › man › 1 › scl
scl(1) - Linux man page
run set of commands listed in my_command file in the environment with baz Software Collection enabled
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Loginroot
pkgs.loginroot.com › errors › notFound › scl
scl: command not found
[root@server ~]# echo $PATH /usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin If it's empty, You may set the PATH variable with this command · export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin" /usr/bin/scl - from package: scl-utils You may install the required package with command yum install {package}
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Linuxcnf
linuxcnf.com › 2019 › 09 › how-to-enable-software-collections-scl.html
The Linux Guide: How to Enable Software Collections (SCL) yum repository on CentOS 7
It is reliable, community edition and provides useful software packages that are not included in the official CentOS 7 default repositories. This article describes enabling Software Collection (SCL) on CentOS 7. It can be installed by below two methods. Method 1. The package to enable Software Collection SCL is available in CentOS 7 repository and it can be installed by yum command.
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GitHub
github.com › dotnet › core › issues › 2515
Command 'scl' not found · Issue #2515 · dotnet/core
March 28, 2019 - # uname -a Linux ubuntu 4.18.0-15-generic #1618.04.1-Ubuntu SMP Thu Feb 7 14:06:04 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux ... Command 'scl' not found, but there are 22 similar ones.
Author   dotnet
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University of Edinburgh
computing.help.inf.ed.ac.uk › scl
Software Collections | Documentation
This means they are not in the standard path. To activate this collection you need to do something like this: ... One way would be to alias the software, but 'scl enable' uses the shell positional parameters in such a way that an alias confuses things - it looks in the "wrong" place for the ...
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SysTutorials
systutorials.com › docs › linux › man › 1-scl
scl: Setup and run software from Software Collection environment - Linux Manuals (1)
<collection> will no longer be considered SCL. If the <collection> was installed locally, then the use of --force is needed.i ... run set of commands listed in my_command file in the environment with baz Software Collection enabled
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Stack Exchange
unix.stackexchange.com › questions › tagged › scl
Newest 'scl' Questions - Unix & Linux Stack Exchange
The testing is happening on a local VM so its OK to break things as we develop a procedure. Following The SCL Repositories I was able to update Python to 2.7.... ... I'm trying to run the below but it keeps coming back with this error warning: /opt/rh/devtoolset-4//enable scriptlet does not exist!.
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Soton
linuxdesktops.soton.ac.uk › softwarecollections.html
Software collections (SCL) — Linux Desktops RHEL7 documentation
The bash command is started with some environment variables changed so that the SCL software is then available, in a similar way to how Environment modules system work. You can also enable two or more environments at the same time like so: ... In the above example both sclone and scltwo are enabled. Unlike the environment modules system the binaries of the programs do not have a PREFIX set so they can locate shared libraries (shared/dynamic objects) without setting the LD_LIBRARY_PATH variable.
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Command Not Found
command-not-found.com › scl_source
command-not-found.com – scl_source
curl cmd.cat/scl_source.sh · CentOS · yum install scl-utils · Fedora · dnf install scl-utils-1 · Dockerfile · dockerfile.run/scl_source · $ try this command on-line!
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Reddit
reddit.com › r/redhat › how to add packages to scl
r/redhat on Reddit: How to add packages to SCL
April 22, 2022 -

First time working with SCL so please forgive me. Maybe I'm missing something obvious, I just don't know. I recently deployed an instance of RH8 on AWS. I installed a couple version of Python - Python 3.7 and 3.9.

However when I use the following command I get no results.

root@ip-testmachine : scl list-collections

I thought that by installing the software package yum install <package> it automatically gets added to the SCL manager. Do I have do something else to have them added so I can enable them?

Any help would be appreciated.

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Red Hat
docs.redhat.com › en › documentation › red_hat_enterprise_linux › 6 › html › 6.5_technical_notes › scl-utils
8.195. scl-utils | 6.5 Technical Notes | Red Hat Enterprise Linux | 6 | Red Hat Documentation
If the PATH variable was not set as scl-utils expected it, executing the "scl enable" command produced a "command not found" error. This was caused by the scl utility calling the scl_enabled command without an absolute path, and relying on the PATH that the user has set.