To install the full tools-set including gfortran on centos 7:

yum install centos-release-scl
yum install devtoolset-8
scl enable devtoolset-8 -- bash

enable the tools:

source /opt/rh/devtoolset-8/enable 

you may wish to put the command above in .bash_profile

ref: https://unix.stackexchange.com/questions/477360/centos-7-gcc-8-installation

Answer from Karl Tarbet on Stack Overflow
Discussions

rhel8 - How to Install devtoolset 8 in RHEL 8 image - Stack Overflow
Please help me to install dev toolset-8 in rhel 8 image. i have pulled the base image as below . I want to install devtoolset-8. is there any other way please let me know. sudo docker pull registry. More on stackoverflow.com
🌐 stackoverflow.com
Support build using devtoolset-8 on CentOS 7
We need to support building the code without using Linuxbrew, by just using devtoolset-8. This will create binaries that are tied to the system version of glibc, so they won't be as portable, b... More on github.com
🌐 github.com
5
July 7, 2020
Use devtoolset-8 on Centos/RHEL for Node.js 14+
Requires access to the release machines. Install devtoolset-8 on the Centos/RHEL machines and use it to build releases for Node.js 14+. Refs: #2168 Install devtoolset-8 on centos7: release-osuosl-c... More on github.com
🌐 github.com
34
March 22, 2020
linux - Can not find required gcc version after devtoolset installation - Stack Overflow
I am using Centos 7 with kernel 3.10.0 My current gcc version is 4.8.5 and I am trying to install gcc 7 or later versions. I have followed instructions from How to install GCC/G++ 8 on CentOS When ... More on stackoverflow.com
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Softwarecollections
softwarecollections.org › en › scls › rhscl › devtoolset-8
Developer Toolset 8 — Software Collections
devtoolset-8 - Developer Toolset is designed for developers working on CentOS or Red Hat Enterprise Linux platform.
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YouTube
youtube.com › hrishikesh nagargoje
How to Install Devtoolset-8 on Linux | How to upgrade GCC in Linux - YouTube
Upgrade GCC version 4.8.5 to 8.3.1 steps Install Commands:# 1. Install a package with repository for your system:# On CentOS, install package centos-release...
Published   August 11, 2021
Views   648
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Red Hat
access.redhat.com › solutions › 4402111
How to install devtoolset-8 ? - Red Hat Customer Portal
June 14, 2024 - Where to find the devtoolset-8? where to find the devtoolset-8-toolchain? Red Hat Enterprise Linux 7. Software Collections. A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more. Log in for full access Log In · Learn more about Red Hat subscriptions ·
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GitHub
github.com › yugabyte › yugabyte-db › issues › 4996
Support build using devtoolset-8 on CentOS 7 · Issue #4996 · yugabyte/yugabyte-db
July 7, 2020 - We need to support building the code without using Linuxbrew, by just using devtoolset-8. This will create binaries that are tied to the system version of glibc, so they won't be as portable, but this configuration is a good step towards...
Author   yugabyte
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Abysm
blog.abysm.org › 2016 › 03 › installing-developer-toolset-rhel-based-distributions
Installing Developer Toolset on RHEL-based Distributions · Kuan-Yi Li's Blog
March 25, 2016 - yum install devtoolset-8 · yum install devtoolset-7 · yum install devtoolset-6 · yum install devtoolset-4 · yum install devtoolset-3 · Say you want to use Developer Toolset 8, you can run · scl enable devtoolset-10 bash · to invoke a BASH shell with environment variables setup to run Developer Toolset 10, check it yourself with ·
Find elsewhere
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GitHub
github.com › nodejs › build › issues › 2242
Use devtoolset-8 on Centos/RHEL for Node.js 14+ · Issue #2242 · nodejs/build
March 22, 2020 - Requires access to the release machines. Install devtoolset-8 on the Centos/RHEL machines and use it to build releases for Node.js 14+. Refs: #2168 Install devtoolset-8 on centos7: release-osuosl-centos7-ppc64_le-1 test-osuosl-centos7-pp...
Author   nodejs
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Red Hat
developers.redhat.com › blog › 2019 › 06 › 20 › developer-toolset-8-1-and-gcc-8-3-now-available-for-red-hat-enterprise-linux-7
Developer Toolset 8.1 and GCC 8.3 now available for Red Hat Enterprise Linux 7 | Red Hat Developer
March 28, 2023 - GDB 8.2 · binutils 2.30 · elfutils 0.176 · Valgrind 3.14.0 · Package name: devtoolset-8 · Container image: rhscl/devtoolset-8-toolchain-rhel7; rhscl/devtoolset-8-perftools-rhel7 · System support: RHEL 7 for x86_64, IBM Z, aarch64, ppc64le ·
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Red Hat
access.redhat.com › solutions › 5737761
Where are the devtoolset packages in Red Hat Enterprise Linux 8 - Red Hat Customer Portal
RHEL 8 does not have devtoolset packages available There is no Software Collections repository for RHEL 8 to access devtoolset packages
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Linux @ CERN
linux.web.cern.ch › devtoolset
Developer Toolset - Linux @ CERN
wget -O /etc/yum.repos.d/slc5-devtoolset.repo http://linuxsoft.cern.ch/cern/devtoolset/slc5-devtoolset.repo
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GitHub
github.com › actions › virtual-environments › discussions › 3459
GCC versions side-by-by-side support on Ubuntu images · actions/runner-images · Discussion #3459
May 26, 2021 - On Ubuntu 18.04, which ships libstdc++ 8, they taint the environment in a similar fashion (by depending on non-supported libstdc++ 9+). They only work properly with Ubuntu 20.04, as Ubuntu 20.04 ships libstdc++ 10. Due to my prior experience with RHEL devtoolset, I have also assumed that Ubuntu maintainers would backport toolchain while maintaining binary compatibility with base OS, and that they are just "still working" on GCC 11.
Author   actions
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Centos
git.centos.org › devtoolset-8
Index of /devtoolset-8
This directory tree contains sources used to build src.rpm from git for SIGs You can also find older centos 7/8/8-stream sources (archived)
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Red Hat
access.redhat.com › discussions › 4351781
Red Hat Customer Portal - Access to 24x7 support and knowledge
Hello! Am trying to download gcc 8.2 for rhel 7.7 using the url below, https://developers.redhat.com/products/developertoolset/hello-world#fndtn-windows · keep getting error message "No package devtoolset-8 available.
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Stack Overflow
stackoverflow.com › questions › tagged › devtoolset
Recently Active 'devtoolset' Questions - Stack Overflow
I run Centos 7, and I installed devtoolset-8 in order to get gcc 8. Here I found how to enable it for bash, which is done simply by adding source scl_source enable devtoolset-8 to .bashrc.