3/27/2023 0 Comments File system indicators 05The credentials file contains should be owned by root.root with permissions = 0400. More permissive options would be dmask=000,fmask=111.įor mounting samba shares you can specify a username and password, or better a credentials file. I advise dmask=027,fmask=137 (using umask=000 will cause all your files to be executable). ntfs/vfat = permissions are set at the time of mounting the partition with umask, dmask, and fmask and can not be changed with commands such as chown or chmod.defaults = rw, suid, dev, exec, auto, nouser, and async.This relates to when and how often the last access time of the current version of a file is updated, i.e. You can find a discussion of relatime here. Ubuntu 8.04 and later uses relatime as default for linux native file systems. You may use "defaults" here and some typical options may include : Options are dependent on the file system. ntfs, ntfs-3g - used for ntfs partitions.In general auto is used for removable devices and a specific file system or network protocol for network shares. Auto will attempt to automatically detect the file system of the target file system and in general works well. You may either use auto or specify a file system. You may use any name you wish for the mount point, but you must create the mount point before you mount the partition. The default location is /media although you may use alternate locations such as /mnt or your home directory. SSHFS : Device : /dev/sdxy (not recommended)Ī mount point is a location on your directory tree to mount the partition.We have provided you some detailed explanations of each field:īy default, Ubuntu now uses UUID to identify partitions. Please refer to the examples section for sample entries. Other partitions should be 2, or 0 to disable checking. This field is usually set to 0, which disables it.Ĭontrols the order in which fsck checks the device/partition for errors at boot time. Mount options of access to the device/partition (see the man page for mount).Įnable or disable backing up of the device/partition (the command dump). Type of file system (see LinuxFilesystemsExplained). Mount points should not have spaces in the names. The directory on your root file system (aka mount point) from which it will be possible to access the content of the device/partition (note: swap has no mount point). The device/partition (by /dev location or UUID) that contain a file system. Users may mount a device/partition if the device is in fstab with the proper options.įor usage with network shares, see SettingUpNFSHowTo, SettingUpSamba and SSHFS.If a device/partition is not listed in fstab ONLY ROOT may mount the device/partition.Partitions listed in fstab can be configured to automatically mount during the boot process.Options for mount and fstab are similar.Removable devices such as flash drives *can* be added to fstab, but are typically mounted by gnome-volume-manager and are beyond the scope of this document. In general fstab is used for internal devices, CD/DVD devices, and network shares (samba/nfs/sshfs).In a nutshell, mounting is the process where a raw (physical) partition is prepared for access and assigned a location on the file system tree (or mount point). The configuration file /etc/fstab contains the necessary information to automate the process of mounting partitions.
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