The ext4 or fourth extended filesystem is a journaling file system for Linux, developed as the successor to ext3.

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I need to convert ext2 filesystem to ext4 to prevent fsck every time I boot?

Installed Ubuntu 12.10 alongside manufacturer-installed Win 8 with no problems. Was "clever" enough to install as ext2 filesystem, which has resulted in the inconvenience of fsck making the usual ...
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How to recover data from Ext4 partitions?

I've removed an old HDD from a computer and to install in another computer to use for data storage (personal files, specifically tv series episodes, not system files) and the file system that I've ...
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Difficulty mounting Ubuntu 12.10 (64-bit) on new HDD

To the gentle membership of the Ubuntu Linux Forum: After my laptop passed away a few weeks ago, I made up my mind to build n open source system. So I put together a computer for this purpose. I have ...
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Ubuntu12.10 “Disks” Pendrive 64GB format LUKS+ext4

I just bought Pendrive / Flshdrive 64GB and need to archive on it file bigger than 10GB so i believe FAT32 is not an good option since it can handle only 4GB file in size. Next thing is that i though ...
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Why is disk usage greater than the size of all files on it?

I have a 3TB HDD. In the properties screen of the HDD, it says that I have used 471.4GB, but when I select all the files in nautilus, it says that 321.0GB is selected. If I only have 321.0GB of ...
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duplicate truecrypt drive

How would I go about duplicating a truecrypt hard drive for redundancy purposes? I have lots of original video content, which I store on encrypted drives. And wanted to know the best way to create ...
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Automount ext4 partition with user permission/ownership (fstab?) [duplicate]

I just installed Lubuntu 12.10 "Quantal Quetzal" on my Acer Aspire One D257, creating the partitions: $ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda5 15G 2.1G 12G 15% / ...
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780 views

/dev/sda2 contains a filesystem with error after partitioning (updated)

I just wanted to create a separate home partition on my Ubuntu 12.10 system. I booted the liveDVD, resized the sda2 partition (28gb of data resized to 30gb based on MiB [originally on a 100gb ...
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2answers
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Installed ubuntu over windows vista..cant reinstall windows [closed]

I recently used the "compress hard drive" option within windows. i got the horid "boot mngr is compressed" after the restart. i tried booting my system back to windows vista but it doesnt read the cd ...
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799 views

I accidentally permanently deleted a file, how can I recover it? [duplicate]

Possible Duplicate: How to recover deleted files? It's probably best to ask for advice on a support forum. Is it possible to recover a deleted file?
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Copying to ntfs from ubuntu slower than ext4 - why?

Is copying to ext4 faster than copying to ntfs, because I was making new containers today on ext4 speed was 45Mb on ntfs same container size speed 14Mb, both containers where madden from ubuntu with ...
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201 views

Max file size can recover on ext4

Is there a limitation for recovering big files on ext4 like ntfs ( 4 giga max )
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undelete files on ext4

My mother has placed some important files on her /tmp per accident. Now, of course, they are gone. This happened yesterday (2 boots of the machine since) I want to try to undelete the files. They ...
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0answers
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Recovering deleted ext4 Ubuntu partitions using TestDisk (None partition media table type) [closed]

All screenshot images in one album: http://imgur.com/a/gqPio#0 (updated: added deep search results) Question How do I write (recover) found partitions from [None] None partition media table ...
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1answer
313 views

Trying to copy an ext4 partition that has errors on it, to a new disk

I have a linux installation in a 50GB partition, on an old 80GB sata disk that is starting to show some errors in it's SMART status, and also, it's an old slow disk. So I want to copy it to a newer ...
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Default file system on ubuntu 12.10

Why does ubuntu 12.10 default to ext2 file system? Is ext4 not stable enough?
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910 views

Is this tactic of switching from btrfs to ext4 safe?

I've been using btrfs on Ubuntu 12.10 for both / and /home for several weeks. Through out the time I've come to the conclusion that ext4 performs better on my system and I'd like to switch back ...
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File Sharing With Ext4 Partition

I tried googling this problem but I haven't received a definitive answer. This is my situation, I have a 3TB external hard drive connected to my server via esata. I plan on sharing this drive over a ...
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How to best check my hardware (mem and HD) for errors? [duplicate]

Possible Duplicate: How can I check my RAM and harddrive for errors? Lately, I have been experiencing problems using an Apple (macbook pro 3,1 2GB ram) with Natty installed. In three ...
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1answer
447 views

Full internal harddrive converted to ext4 file system, how to install Windows back again? [duplicate]

I had Windows 7 installed on my laptop, with hard drive partitioned. I installed Ubuntu formatting the drive as it didn't detect I had Windows 7 too already. It installed correctly, but now when I'm ...
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1answer
243 views

High CPU load for 1:30 minutes when mounting ext4-raid partition

--> The problem solved itself <-- Sometime between November 2012 and January 2013 one of the Ubuntu updates made the time the mount command takes to complete go down to ~1 second again: time ...
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How to convert ext2 to ext4?

I installed Ubuntu 12.10, and I don't know why, I have an ext2 partition. How can I convert this ext2 file system to an ext4? Will I lose all my data?
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Is SSD TRIM support still automatic in 12.10?

Folks I had automatic TRIM working on my laptop running Ubuntu Precise. As in the TRIM guide I added discard to mount options in /etc/fstab, and hdparm --read-sector read 0s immediately after a rm ...
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How to create a common ext4 [ read / write ] partition with all ubuntu users?

I have a shared EXT4 drive with 777 permissions for all users to use. Problem is : When a user creates a new folder / file, it gets 644. I guess that is because of the umask for that user. Now, I ...
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Repair ext4 filesystem on USB drive [closed]

Yet another filesystem question. I wanted to use a USB drive that I hadn't mounted for a month or so and was surprised by the fact Ubuntu was unable to mount it. I looked it up in the disk utility and ...
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1answer
593 views

Uninstalling ubuntu + partitions [duplicate]

I have Ubuntu 12.04 installed onto my dual-boot system; how can I uninstall it? Which partition(s) should I delete? As you can see, I have two used/Full up 'Other' partitions and one ext4 ...
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Mounting ddrescue image after recovery (in over my head)

I'm having problems mounting the recovery image. I've tried to mount the image multiple ways. quark@DS9 ~ $ sudo mount -t ext4 /media/jump1/1recover/sdb1.img /mnt mount: wrong fs type, bad option, ...
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Writable permission is not writable

I am running Ubuntu 12.04 x64 server on ext4 partition. I set a directory's permission to '766' as below. sudo chmod 766 /archive drwxrw-rw- 3 root root 4096 Sep 27 10:50 archive/ But, when I ...
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827 views

Root filesystem not mounted

The problem occurred after I powered off my 10-year-old Ubuntu 10.04 Compaq PC while booting. Now all I get is the initramfs prompt and an error on mounting the root file system. Below is the output ...
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843 views

EXT4 Ideal Size?

I have 1TB HDD and I will use ubuntu and won't use dual boot with windows, any tips about partitions' size and how many partitions, can I have just 2 partitions? The second question is about swap ...
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laptop crashed: why? [closed]

my linux (ubuntu 12.04) laptop crashed, and I am trying to figure out why. # last sds pts/4 :0 Tue Sep 4 10:01 still logged in sds pts/3 :0 ...
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Ubiquity installer hangs after “Prepearing to install…”

I have tried this on a brand new latest Xubuntu disk, and then on an old regular Ubuntu 10.10 disk. Both result in the same thing (and I would prefer to use Xubuntu, if possible.) I have tried ...
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Can I format my Windows 7 NTFS partition and use it in Ubuntu even if it appears earlier on disk?

I have installed and working Windows 7 and Ubuntu 12.04. I discovered that I do not need all this space that I have assigned to my D:\ drive in Windows and now would like to include it as a partition ...
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How to make a drive NTFS from EXT4?

I want to know how to make a drive ( non-system ) from EXT4 to NTFS. Can anyone help me out?
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simple alternative to ext2fsd?

I have been using ext2fsd on a few occasions to print ext4 ubuntu files from Windows 7. I found the program to be somewhat unpolished with respect to simplicity, intuitiveness and the user interface. ...
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Formatting a 1T storage drive ext4 how much should i leave free to avoid problems?

While browsing the net about formatting my 1T hard drive as ext4, I read about people completely filling their drive and being unable to mount. How much can I fill it to safely? Even 95% wastes 50 GB! ...
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1answer
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When cloning ext4 partition with the “dd” command to a bigger partition free space doesn't increase [duplicate]

Possible Duplicate: Drive reporting incorrect free space Recently I've been trying to clone my hd using dd tool. Everything was ok, as cloning ntfs partitions but when it comes to ext4 - dd ...
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341 views

Permissions to access an encrypted external HDD

I have an external HDD which has an encrypted ext4 filesystem. When I plug it into one of my laptops and provide the encryption password, I get this popup box saying: You do not have permissions ...
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How do I determine my drive format?

How do I find out what format my hard drive is in?
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FDISK Logical Partition

I have tried to create a logical partition via Fdisk for a flash drive. The problem is that I choose the option -n to create a partition, of course , and fdisk gives me only two options "extended and ...
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Why do I get more free space than ext4 after formatting in XFS?

I've bought a 1TB external hard drive and after formatting the entire drive in ext4 Nautilus says there are 934.3 GB of free space. I've also tested formatting the drive in XFS, and in this case ...
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How to resize an ext4 encrypted home partition?

Which is the best way in order to resize an encrypted (ecryptfs) ext4 home partition ? Pros nad Cons of each method are greatly appreciated. $ fdisk -l Disk /dev/sda: 256.1 GB, 256060514304 bytes ...
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Optimizing EXT4 performance

I'm using my machine to build stuff a lot and there's a specific directory that gets used very often. I've got 8GB of RAM, which is helpful for the build, but is far from enough to cache the whole ...
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Recover EXT4 Partition from Interrupted Resize

world! [that's funny, it automatically takes out leading "hello"s] I'm installing Ubuntu on a friend's laptop, and I encountered a problem while resizing the Ubuntu partition. I was expanding it to ...
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2answers
25k views

How to mount ext4 partition?

How do I mount an ext4 partition as my user account so I wouldn't require root access to r/w on it? I used -o uid=flint,gid=flint on the mount command but I keep getting mount: wrong fs type, bad ...
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Convert existing internal hard disk into network attached storage

How can I setup an internal 3.5" SATA hard disk, with existing data on an ext4 partition, so that I am able to access the data on WLAN? What product should I be looking for to turn the bare drive ...
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How to set permissions so that I can read and write to another partition?

I m using Ubuntu 12.04 and i have to partitions part1 and part2, both are ext4. I want to transfer media files to and from them freely through programs.
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Restore Encrypted /home partition

I need to recover my lost data. Tonight I reinstalled ubuntu without formatting /home, thinking that ubuntu was enought smart to install itself without wiping the previous data in directory like ...
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Android phone: how do I play MP3s on my hard drive over WiFi?

Wasn't sure whether to ask on here on on android.stackexchange.com ... but I want to play music which is on my desktop machine through my phone. The music is coming from ext4 partition which I am ...
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Ubuntu crashed unexpectedly when browsing

How can I boot to Live CD and then access Ext4 partitions.