The scl application is delivered with the scl-utils package. The scl-utils package should have been installed as a dependency of devtoolset-7-gcc.

I think I see what happened though, if you have your full output from when you ran yum install centos-release-scl scl-utils-build devtoolset-7-gcc*, you may notice a line No package devtooset-7-gcc* available.

This would be due to trying to install an additional repository and a package from that repository at the same time (the other two packages should have installed fine though). YUM does not work like that, as the new repository metadata would not be built until the next run of YUM and would not be available in the same transaction that installed the repository.

If you separate your install command into two commands, YUM should be able to install the devtoolset-7-gcc* packages:

yum install centos-release-scl scl-utils-build
yum install devtoolset-7-gcc\*
Answer from GracefulRestart on Stack Exchange
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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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GitHub
github.com › dotnet › core › issues › 2515
Command 'scl' not found · Issue #2515 · dotnet/core
March 28, 2019 - Command 'scl' not found, but there are 22 similar ones.
Author   dotnet
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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!
Find elsewhere
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Loginroot
pkgs.loginroot.com › errors › notFound › scl
scl: command not found
scl: kommandot finns inte scl: komut yok scl: nie znaleziono polecenia scl: níor aimsíodh an t-ordú scl: no se encontró la orden scl: no s'ha trobat l'ordre scl: opdracht niet gevonden scl: parancs nem található scl: perintah tidak ditemukan scl: príkaz nenájdený scl: příkaz nenalezen scl: команда не найдена scl: командата не е открита scl: 命令找不到 scl: コマンドが見つかりません · a2ps: command not found bglmake: command not found yes: command not found fltk-config-x86_64: command not found git-annex: command not found latrace-c
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GitHub
github.com › redhat-developer › rh-che › pull › 1912
Fixing scl: command not found issues by ScrewTSW · Pull Request #1912 · redhat-developer/rh-che
June 9, 2020 - What does this PR do? Fixes scl: command not found issues What issues does this PR fix or reference? eclipse/che#17052 How have you tested this PR? prcheck
Author   redhat-developer
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GitHub
github.com › openshiftio › openshift.io › issues › 432
Che: scl command not found · Issue #432 · openshiftio/openshift.io
July 27, 2017 - I tried to use the Forge Wizard to Import this project https://github.com/burrzinga/07-vertx-paint and that seemingly worked and then Create Workspace and that seemingly worked, but the project was not imported. So I manually imported it. And tried to add the command to run it https://screencast.com/t/K4azI0rUp9E
Author   openshiftio
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ManKier
mankier.com › home › scl-utils
scl: Setup and run software from Software Collection environment | Man Page | Commands | scl-utils | ManKier
You need to source /etc/profile.d/modules.sh and /etc/profile.d/scl-init.sh for this command to work in shells: dash, mksh, ksh. This command is not supported in other shells. ... Unload the given collections from current shell. The environment of current shell is returned back to the state ...
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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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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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Red Hat
docs.redhat.com › es › documentation › red_hat_software_collections › 2 › html › packaging_guide › sect-scl_source_command_not_found
5.4. scl_source: command not found | Red Hat Product Documentation
This error message is usually caused by having an old version of the scl-utils package installed. To update the scl-utils package, run the following command:
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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