Add SGID bit to a directory - chmod g+s /dir
Add sticky bit to directory - chmod +t /dir
Register podman to redhat - podman login registry.redhat.io
Grub command to write to config - grub2-mkconfig -o /boot/grub2/grub.cfg
Get all SELinux booleans - getsebool -a
Set SELinux boolean - setsebool -P boolean_name on/off
SEAlert command - journalctl | grep sealert
Search DNF packages by keyword - dnf provides */keyword
Logrotate conf file - /etc/logrotate.conf
GRUB conf file - /etc/default/grub
Journald conf file - /etc/systemd/journald.conf
SSHD conf file - /etc/ssh/sshd_config
Chrony conf file - /etc/chrony.conf