/etc/fstab is the configuration file which contains the information about all available partitions and indicates how and where they are mounted.

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Can I configure my Linux system for more aggressive file system caching?

I am neither concerned about RAM usage (as I've got enough) nor about losing data in case of an accidental shut-down (as my power is backed, the system is reliable and the data are not critical). But ...
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What is the difference between 'nobootwait' and 'nofail' in fstab?

In this question I asked what how to not make a media failure halt the system boot process. However, I got two suggestions for fstab options nobootwait nofail What is the difference between the ...
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Moving /var, /home to separate partition

I am attempting to move some folders (such as /var and /home) to a separate partition after reading this guide: 3.2.1 Choose an intelligent partition scheme I was able to move one folder ...
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How to automatically mount an USB device on plugin-time on an already running system?

I know how to use /etc/fstab to automatically mount devices on boot or when doing sudo mount -a, which works perfectly fine. For example, here is my current line for my device UUID=B864-497A /media/...
13
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1answer
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Difference between 'sync' and 'async' mount options

What is the difference between sync and async mount options from the end-user point of view? Is file system mounted with one of these options works faster than if mounted with another one? Which ...
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Why does fstab use UUID instead of the actual file system name?

For example, this is the first line of my /etc/fstab: UUID=050e1e34-39e6-4072-a03e-ae0bf90ba13a / ext4 errors=remount-ro 0 1 And here's the output of df -h command (reporting free ...
10
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1answer
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How is /etc/fstab accessed before root is mounted?

I was making some changes to /etc/fstab, when this chicken and egg question occurred to me - if /etc/fstab contains the instructions for mounting the file systems, including the root partition, then ...
10
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Do not halt the boot if an fstab mounting fails

I have this line in my fstab: sshfs#ecarroll@o99:/opt/dealermade/ftp/inc /opt/dealermade/ftp/inc fuse defaults,idmap=user,users 0 0 For whatever reason it didn't work -- that's fine. How do I make ...
9
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mount error 13 = Permission denied

One of my servers is set up to automatically mount a Windows directory using fstab. However, after my last reboot it stopped working. The line in fstab is: //myserver/myfolder /mnt/backup cifs ...
9
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Can I include another file in fstab

Can I include another file in my fstab file? I.e. can I have fstab execute lines from another file at an arbitrary point, and then return to the main file when completed?
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Does initramfs use /etc/fstab?

The way I understand it, initramfs is responsible for loading the "real" root filesystem. Now, there are two places where we define that root. First we put an entry in /etc/fstab. Second, we put the ...
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What are all the spaces in the /etc/fstab for?

I get that I can use mount to set up / directories and that I can use the /etc/fstab to remount them on reboot. Testing the fstab file is also fun with mount -faV. When I'm looking at the fstab ...
8
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4answers
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How to fix boot failure due to incorrect fstab?

It seems that I have added incorrect record to /etc/fstab: //servername/share /mnt/share cifs defaults,username=myuser 0 0 When I did mount -a, it asked user password to mount network ...
7
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2answers
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Why was fsck priority introduced in /etc/fstab?

Inside the /etc/fstab file, in the sixth column, there is a number that corresponds to whether a filesystem should be scanned for errors. Possible values are: 0 - skip 1 - high priority 2 - low ...
7
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2answers
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How do I add an entry in /etc/fstab for a windows share?

I want to be able to mount our file server's file share (on a Mac OS X server, shared via AFP and Windows File Sharing) on my Ubuntu 10.10 linux laptop. I want to be able to mount it as my normal user,...
7
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2answers
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NFS: mount.nfs: Protocol not supported

I want to mount the NFS share of a Zyxel NSA310s NAS. Showmount, called on the client machine, shows the share: $ showmount 10.0.0.100 -e Export list for 10.0.0.100: /i-data/7fd943bf/nfs/zyxelNFS * ...
6
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1answer
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What is the difference between a symlink and binding with fstab?

In Eric Hammond's article Running MySQL on Amazon EC2 with EBS he shows how to add a second drive (/vol/) and then progresses to move mysql's config and data there. /sdh gets mounted as /vol by ...
6
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1answer
576 views

HDD allocation fstab

In my PC running Ubuntu 12.04 LTS I have installed three SATA hard drives. Two of them are installed near a cooler. I want to physically switch two drives (one that is not near the fan should be moved ...
6
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1answer
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What is the difference between mounting in fstab and by mounting in file manager

..and what are the consequences of the different methods? I have been trying some things with the mounting of an sda2 partition. Mounting in fstab, not mounting in fstab but from the file manager. ...
6
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mount ramfs as user

My fstab entry: none /home/jreinhart/ramdisk ramfs defaults,user 0 0 The directory before mounting: drwxrwxr-x 2 jreinhart jreinhart 4096 Oct 17 11:31 ramdisk The directory after ...
6
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1answer
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Advantages/disadvantages of increasing “commit” in fstab

I have done many obscure system optimizations in the past, but I got rid of most of them after powertop told me I should set my USB ports to autosuspend, which forced them to an eternal sleep, and ...
6
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1answer
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bind mount /var with fstab

I'm messing around with having both /home and /var on a seperate partition which will be mounted in /myhdd. Next, I use mount --bind to mount /var on /myhdd/var and /home on /myhdd/home. With this ...
5
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6answers
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sshfs always asking for password in fstab?

I'm trying to enter an sshfs mount in /etc/fstab with the following line: sshfs#oli@192.168.0.2:/media/usb0 /media/ExtHD fuse defaults,nonempty,allow_other 0 0 So that this volume is mounted at ...
5
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3answers
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Recommended fstab settings

I made a new partition for my home drive by following this guide I have no idea what the fstab setting it suggests mean: UUID=???????? /home ext3 nodev,nosuid 0 2 I ...
5
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1answer
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fstrim trims more than half of partition size even though partition mounted with discard

When I installed my SSD I just mounted with discard and didn't sweat it. However today I was reading about the pros and cons of using fstrim instead and decided to run the program to get an idea of ...
5
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1answer
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Why rootfs is mounted multiple times?

Here you can see two devices are mounted as root: $ df Filesystem 1K-blocks Used Available Use% Mounted on rootfs ...
5
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1answer
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Partition not mounting from fstab

I have mounted a partition and add it to fstab file and then rebooted but I see that the partition is not mounted although it was added to fstab. What is wrong, and how can I solve it? fstab line: /...
5
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1answer
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Umount device after bind mounting directories: is it safe?

I have a home partition which is shared by mulitple distros on the same box. I'm using bind mounts from fstab. Each Linux install has something like this: UUID=[...] /mnt/data ext4 nodev,...
5
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1answer
186 views

What is the purpose of listing the rootfs in /etc/fstab?

In BuildRoot 2015.08.1 /etc/fstab contains the following line. /dev/root / ext2 rw,noauto 0 1 On my encrypted Ubuntu laptop /etc/fstab contains the following line. /dev/mapper/ubuntu--vg-root / ...
5
votes
1answer
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How to mount two windows shared folders in linux?

I'm using OpenSuse 12.2 x64. I have tried this in /etc/fstab: //192.168.6.80/shared/folder1 /mnt/folder1 cifs rw,user=guest,password=,uid=1000 0 0 //192.168.6.80/shared/folder2 /mnt/folder2 cifs rw,...
5
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1answer
574 views

how to prevent reboot being stopped by nfsmount?

I can't imagine there isn't a simple strategy to solve this issue of stale nfs handles preventing a machine from shutting down normally, but I'm not sure what that would be. It's pretty annoying to ...
5
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1answer
227 views

mount options for bindmount

Due to some complex requirements, I had to put the following two lines in /etc/fstab: /dev/xvdg1 /srv/storage ext4 $OPTIONS1 0 2 /srv/storage/dir /var/opt/dir none bind,$OPTIONS2 0 0 ...
5
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2answers
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btrfs and the discard mount option on an ssd

I can't seem to find an answer to this so I thought I would ask here: In /etc/fstab and when using the mount command in ext4 you would add the option discard to activate TRIM on an SSD. Similarly ...
5
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1answer
984 views

Mounting ExFAT on Linux

I've been trying to set up my Raspberry Pi B+ as a HTPC that also shares a USB HDD over Samba and AFP. The latter is working just fine, and the Samba share seemed to be working too for a moment. ...
5
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No access to symlink folder on NTFS partition

I am using an NTFS parition for storing data I like to access both from Ubuntu and Windows 7. On my Ubuntu HOME partition, I like to link the folder Assets in order to access it from an application ...
4
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2answers
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understanding /dev/disk/by- folders

Question: What does /dev/disk/by-pathdescribe? And where is this documented? Going through the meaning of what is displayed in the folders /dev/disk/by- I've got that far, and I wonder is this ...
4
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How to align fstab entries easily

Editing /etc/fstab with my text editor makes all the spacing go out of alignment. I could go through the file and insert/delete spaces to line everything up, but I'm looking for a more automated ...
4
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1answer
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What does genfstab's -p option do?

While following this guide to installing Arch Linux the reader is instructed to execute the following command: genfstab -U -p /mnt >> /mnt/etc/fstab It is stated the the -U option uses UUID's ...
4
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2answers
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How does _netdev mount option in /etc/fstab work?

I'd like to know what is the exact mechanism (implementation) used to defer mounting until after network interface is up when one uses _netdev option in /etc/fstab? Does systemd alter this behavior? ...
4
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2answers
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Linux Mint: drives' map changing at reboot brings fstab error

I've set up fstab to auto mount media drives on a Linux Mint machine. The OS is installed on a IDE/ATA Disk while 3 SATA disks hold data to share. The BIOS has the ATA disk as first boot device. All ...
4
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Linux: difference between using autofs with NFS and just using fstab

What is the difference between using auto.master and having autofs automount your NFS mountpoints versus just putting the info in fstab? Linux Red-Hat 5/6
4
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1answer
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Do you need to specify the “defaults” option in fstab?

The Arch Wiki on fstab specifies the options of / to be defaults,noatime, but on my installation the default fstab is created with the options of rw,relatime. The Arch Wiki covers the atime issues. ...
4
votes
1answer
2k views

can not create /dev/shm

I need to create /dev/shm on an embedded ARM system. From "Installed The Latest Changes to Current and......". I see that it can be created with mkdir /lib/udev/devices/shm, but I'm wondering what ...
4
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1answer
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How to enable user_xattr in Mint Cinnamon?

I just installed Netflix Desktop on my Cinnamon Mint, but I can't start it. When I run the program, I get the following message: It appears that you do not have extended file system attributes ...
4
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Wildcard automounts with systemd

I’m running jessie/sid with systemd 208 and try to convert the following wildcard autofs configuration to either an /etc/fstab or .mount/.automount definition. $ cat /etc/auto.master /home/* -fstype=...
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Can fstab options uid and gid be the user-group name or must they be numeric?

I'm learning how to set up a tmpfs in fstab for my www-data user and I was wondering if I can use the actual user/group name instead if the numeric ids (personal preference)? I'm on Debian with ext4, ...
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Option “user” work for mount, not for umount

I am experimenting mounting options for a program I am writing. I am running Linux Mageia 2. I added the following line to /etc/fstab /dev/sr0 /mem auto user,noauto, 0 0 and I removed all other ...
4
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2answers
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Mount USB drive (FAT32) so all users can write to it

I have a USB FAT32 drive that is on /dev/sda2. I've mounted it as /media/bigdrive however, I get permission denied whenever I try to touch a file there as a non root user. When I run mount I can see ...
4
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2answers
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Mount a folder on a drive in fstab. Move?

I'd like to make a temporary change to my fstab file so that my /home is on another drive. However, I don't want the whole partition to be mounted, but just a folder ("home") on that partition. I'm OK ...
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fstab not mounting a disk on boot

I'm running Arch Linux on a Macbook. I want to automatically mount my Macintosh partition when booting Arch, so I added the following to /etc/fstab: /dev/sda2 /media/Machintosh hfsplus defaults 1 2 ...