See systemd.mount(5) for all systemd mount options. PARTUUID=039b6c1c-7553-4455-9537-1befbc9fbc5b none swap defaults 0 0 Tips and tricks Automount with systemd Run blkid to list the partitions, and use the PARTUUID values without the quotes: Note: If any of your fields contains spaces, see #Filepath spaces. Run lsblk -f to list the partitions and prefix the values in the NAME column with /dev/. The output of the commands lsblk -f and blkid used in the following examples are available in the article Persistent block device naming. In this section, we will describe how to mount file systems using all the mount methods available via examples. It is recommended to read that article first before continuing with this article. See Persistent block device naming for more explanations. Kernel name descriptors should not be used, while UUIDs or PARTUUIDs should be preferred over labels. There are different ways to identify file systems that will be mounted in /etc/fstab: kernel name descriptor, file system label and UUID, and GPT partition label and UUID for GPT disks. dev/disk/by-*/*, /dev/mapper/*, /dev/md/* have various levels of persistence and there should be no issue using them. Reason: There are more device paths than just kernel name descriptors. For other partitions it should be 2, or 0 to disable checking. sets the order for file system checks at boot time see fsck(8).This field is usually set to 0, which disables the check. the associated mount options see mount(8) § FILESYSTEM-INDEPENDENT MOUNT OPTIONS and ext4(5) § Mount options for ext4.describes the block special device or remote file system to be mounted see #Identifying file systems.When doing so, mount options which are listed in fstab will also be used.Ī simple /etc/fstab, using file system UUIDs: The mount command will use fstab, if just one of either directory or device is given, to fill in the value for the other parameter. Therefore, local and remote file system mounts specified in /etc/fstab should work out-of-the-box. For example, systemd automatically makes sure that remote file system mounts like NFS or Samba are only started after the network has been set up. The default setup will automatically fsck and mount file systems before starting services that need them to be mounted. These definitions will be converted into systemd mount units dynamically at boot, and when the configuration of the system manager is reloaded. The fstab(5) file can be used to define how disk partitions, various other block devices, or remote file systems should be mounted into the file system.Įach file system is described in a separate line.
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