1. attr

sudo apt-get install attr
dpkg -L attr
which attr
which getfattr
which setfattr
touch xattr-test
lsattr xattr-test
getfattr xattr-test
setfattr -n user.test -v "hello" xattr-test
getfattr xattr-test

attr -l xattr-test
attr -g test xattr-test

2. fstab

/etc/fstab
//SMRU-SRV/Teams$       /media/Teams    cifs    credentials=/root/.smbcred-Teams,gid=1000,nobrl,uid=1000,vers=3.0,_netdev       0       0

3. Mount

sudo umount /media/Teams
sudo mount -o credentials=/root/.smbcred-Teams,gid=1000,nobrl,uid=1000,vers=3.0,_netdev -t cifs //smru-srv/Teams$ /media/Teams

ls -al /media/Teams
lsattr /media/Teams
lsattr: Operation not supported While reading flags on /media/Teams/Administration