nixCraft published a tutorial about restarting systemd without rebooting Linux when critical libraries installed.
How to restart systemd without rebooting Linux when critical libraries installed
Whenever we update a critical library such as OpenSSL, we need to restart any daemons that use the library. Systemd with PID 1 itself also uses OpenSSL. How do you restart the systemd daemon without rebooting Linux and other services such as Nginx, SSHD, Firewalld? Here are some tips.
