This comes directly from the archwiki, due to I got tired of mount the nas shares using dolphin (or similar) and have to go to the /run/media.... path everytime, or by manually running:

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mount --mkdir -t cifs //SERVER/sharename /mnt/mountpoint -o username=username,password=password,workgroup=workgroup,iocharset=utf8,uid=username,gid=group

Instead, I will just manually run:

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systemctl start mnt-nas.mount

Or enable it to mount it automatically during boot and to unmount I just have to stop the service.

Systemd unit configuration

First create a credential file, in the client, it should only contain the username and password that will be used to mount that specific samba share in /etc/samba/credentials/nas:

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username=myuser
password=mypass

Give the permissions to the root user, as the credential file should explicitly readable/writeable to root:

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chown root:root /etc/samba/credentials
chmod 700 /etc/samba/credentials
chmod 600 /etc/samba/credentials/nas

As you can see, you can have multiple credential file for multiple samba shares.

Now create the systemd unit under /etc/systemd/system/mnt-nas.mount. Here you can name the unit as you like.

Please note the following, that can be edited to fit your needs:

  1. What=//sever/nas, is the path of the remote server sharing the samba (e.g. //192.168.1.12/nas).
  2. Where=/mnt/nas, this is where the samba share will be mounted in the client side (e.g. /home/your_username/nas).
  3. credentials=/etc/samba/credentials/nas, the credential file in the client side.
  4. uid=username,gid=usergroup, specify you username and usergroup in order to have read-write permissions. Otherwise, only root will be able to read-write.

Very important, the systemd unit name mnt-nas.mount MUST match the mountpoint name Where=/mnt/nas. See, in both cases it is nas.

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[Unit]
Description=Mount nas at boot

[Mount]
What=//server/nas
Where=/mnt/nas
Options=_netdev,credentials=/etc/samba/credentials/nas,uid=username,gid=usergroup,iocharset=utf8,rw
Type=cifs
TimeoutSec=30

[Install]
WantedBy=multi-user.target

And that is it. I have nothing more to add this time.

Wait! This can also been applied to NFS shares, this is the snippet for mnt-share.mount (just change the server_ip):

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[Unit]
Description=Mount NFS share at boot

[Mount]
What=server_ip:/share
Where=/mnt/share
Options=vers=4
Type=nfs
TimeoutSec=30

[Install]
WantedBy=multi-user.target

Usually, to simplify the mounting of the shares I have snippet aliases in my zsh config like:

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alias mshare="sudo systemctl start mnt-share.mount"
alias ushare="sudo systemctl stop mnt-share.mount"

And also sym-link the mounting point to my home for easy access:

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ln -s /mnt/share /home/user/share
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