/etc/selinux/config permission denied

https://support.arcserve.com/s/article/202775145?language=en_US
https://selinux.tycho.nsa.narkive.com/UOSjHsQH/unable-to-disable-selinux

https://www.mysysadmintips.com/linux/servers/587-find-if-permission-denied-error-is-caused-by-selinux

https://bugzilla.redhat.com/show_bug.cgi?id=1346364

https://help.talend.com/r/QeOmpPgGULfzSyqtpOqp4w/root

https://backstage.forgerock.com/knowledge/kb/article/a34502100

https://docs.fedoraproject.org/en-US/Fedora/11/html/Security-Enhanced_Linux/sect-Security-Enhanced_Linux-Working_with_SELinux-Enabling_and_Disabling_SELinux.html

https://web.mit.edu/rhel-doc/5/RHEL-5-manual/Deployment_Guide-en-US/ch-selinux.html

https://www.ibm.com/support/pages/getting-cs-linux-work-selinux-security-enhanced-linux-rhel4

https://wiki.gentoo.org/wiki/SELinux/Tutorials/Permissive_versus_enforcing
https://www.thegeekdiary.com/how-to-disable-or-set-selinux-to-permissive-mode/

https://manuals.gfi.com/en/helpdesk/admin/content/installation-upgrade/30.disabling-selinux.htm

https://docs.fastly.com/signalsciences/troubleshooting/selinux/
https://wiki.centos.org/HowTos/SELinux