vim /etc/fstab
//10.0.42.3/users /mnt/nas cifs vers=3.0,iocharset=utf8,_netdev,x-systemd.automount,rw,credentials=/etc/nas-credentials.txt,uid=0,gid=0,file_mode=0660,dir_mode=0770 0 0
vim /etc/nas-credentials.txt
username=user password=123