This is necessary when /etc/fstab has been updated and the user would like to mount directories as described in the file, but without rebooting the system.

To do so, run sudo mount -av.

NOTE:

• -v: verbose flag. Shows the mount status of each mount entry in /etc/fstab.
• Some mount entries may say “ignored”; this could be because noauto option is set in the /etc/fstab entry.

References:

• https://chrisschuld.com/2007/08/reload-fstab-etcfstab/
• https://serverfault.com/questions/882834/samba-share-in-etc-fstab-is-ignored-during-mount-a-but-manual-mount-works