apt-get install cifs-utils
mkdir /var/tmp/sharetest
One time until reboot, read only:
mount -t cifs -o sec=ntlm,noperm,nounix,vers=3.0,username=USERNAME,password=PASSWORD //XXX.XXX.XXX.XXX/test /var/tmp/sharetest -r
Permanently, read only:
nano /etc/fstab
//XXX.XXX.XXX.XXX/test /var/tmp/sharetest cifs ro,sec=ntlm,noperm,nounix,vers=3.0,username=USERNAME,password=PASSWORD 0 0
crontab -e
* * * * * mount -a #Reconnect mounted shares after they disconnect for some reason (network failure for example)
https://askubuntu.com/questions/940132/windows-shares-not-reconnecting