Ubuntu :: System Crashes - Lower File Not In Valid ECryptfs Format

Jan 10, 2010

Right, I seem to get very random system crashes. My machine will stay up for long periods of time, or sometimes only a few mins, also it doesn't seem related to just using a particular program. As you can imagine this is leading to a bag of woes. After reading on a forum about logs I went to /var/log and in the system log found the following entry . . .

"Jan 10 18:46:10 jon-desktop kernel: [ 92.718896] Either the lower file is not in a valid eCryptfs format, or the key could not be retrieved. Plaintext passthrough mode is not enabled; returning -EIO"

This is repeated multiple times and having checked after a few crashes seems to be the central problem. Being specific about the crashes, they freeze the entire system. Can't ctl-alt-del and sound loops, have to hard reset. I have a feeling that when I first installed Ubuntu 9.10 I selected to use an encrypted file system but have a feeling that I didn't set it up correctly. Not sure exactly what I didn't do but I seem to remember it was to do with generating a passphrase. So . . .

1) What is this error from my logs?
2) Is it linked to me not setting up the encrypted filesystem correctly?
3) Is there a way to check the settings / sort them out properly?
4) Is there documentation for my dullard state which can aid me in this, or is it quite simple?

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Ubuntu :: Error - Set A Valid User Name Consisting Of A Lower Case Letter Followed By Lower Case Letters And Numbers

Mar 12, 2010

I tried to add my wife , and when I put in a password for her, this error comes up."Please set a valid user name consisting of a lower case letter followed by lower case letters and numbers." I did all that and I still can't set a password for her.

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Hardware :: Possible To Write File-system On Hard Disk Without Any Valid Partition

Nov 15, 2010

I've surprisely recognized that it's possible to write a filesystem on a hard disk without any valid partition. Well, the general advantages of partitions are clearly. But what are possible disadvantages or limitaions if you don't use a partition (e.g. if you want to use the complete space as one volume for data mining or so)?

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OpenSUSE Install :: Install Problem - No Valid EXT4 File System?

Sep 16, 2010

I just trying installing OpenSuse 11.2 on a Dell Dimension 4500 2.0 Ghz with 512 mb memory and 40 gb hard drive.During the installation the following error was produced: "System Check for partition /dev/sdb1 contains no valid Ext4 file system". After the install process was completed, the keyboard and mouse were not useable

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OpenSUSE Hardware :: Mounting An Edirol R-09HR Digital Audio Recorder - VFS: "Can't Find A Valid FAT File System"

Apr 2, 2010

I'm having problems mounting an Edirol R-09HR digital audio recorder (as a USB drive, to read the recording files) on a system running openSUSE 11.2. fdisk or other partitioning tools recognize the device as a "W95 FAT32" drive with a filesystem code of 0b, apparently. I was under the impression that mounting this as a vfat file system should work, but the mount command dies complaining "FAT: bogus number of reserved sectors" and "VFS: Can't find a valid FAT file system." This happens even with a freshly formatted card in the recorder. The device mounts properly with Windows XP systems and late-model Ubuntu/Kubuntu systems, Any clews as to what I'm doing wrong here?

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Ubuntu :: File System Format For Mac OSX 10.5 For Large Files?

Sep 19, 2010

Is there a file system that both Mac OSX 10.5 and linux can read/write for large files (like 4gb files)? My desktop is Ubuntu and I run most from there, but I want to back up my MacBook and linux box on the same external hard drive. Seems there are some (paid) apps for Mac that will mount NTFS but I'm wondering if there is just a shared files ystem that will work for both.

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Ubuntu :: Cannot Format CD / DVDs - Error Creating File System

Feb 4, 2011

Installed Ubuntu 10.10 and it works very well except I cant format cd or dvds. I am using the disk utility program in administration and keep getting the following error:

Error creating file system: helper exited with exit code 1: Error calling fsync(2) on /dev/sr0: Input/output error

I have tried mounting and unmounting - makes no difference.

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Debian :: How To Format CF Card With Fat32 File System

Dec 29, 2015

I'm not that new in Linux I've been using for years since 2010 mostly, and formatted a number of flash drives with allegedly fat32 fs however, this time I need to be sure I'm formatting it as fat32 for experimental reasons and I can't seen to find a mkfs.fat32, both vfat and fat are fat16 and I don't know what msdos does...

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General :: File Pk11func.h Not Found While Compiling ECryptfs On Slackware 13.1

Apr 26, 2011

I'm trying to install eCryptfs in my new Slackware system. ./configure runs pretty well, without errors, but when a try to run `make` i got this:

main.c:25:22: error: pk11func.h: No such file or directory
main.c: In function 'do_hash':
main.c:77: error: 'SECStatus' undeclared (first use in this function)


But i do have 3 copies of pk11func.h under:


What's going wrong?, why the compiler can't find the header if it's installed? I don't have too much experience compiling package, and it's the first time i try to it in Slackware.

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Software :: Convert A Microsoft Publisher File To Pdf (or Other Format) On System?

Apr 27, 2010

I have been sent some file sI need to open but they are in .pub format. Having them sent in another format is not an option. I need to open them on Linux. Is there a tool which I can convert it into another format (preferably PDF) rather than having to mess around getting publisher installed on wine etc etc?

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Ubuntu :: Format "File System" To NTFS And Install Window 7?

Apr 10, 2010

I tried to install Win 7 from the DVD and it didn't work at first because my Ubuntu is not in NTFS which is require for Win 7 to start installing. But the Win 7 doesn't have the option to format the harddrive for me so I went back to Ubuntu to format it.

I downloaded GParted and NTFSProgs

The storage drive in the screenshot below the one I want to format but if I format that while I am running the Ubuntu OS, what will happen? Can someone guide me what to do? I can see there are two seperate virtual drives in that one 320GB SATAII harddrive. I want to erase the one with the more space because I'll install the Win 7 on it since it requires 15GB+ space. I do not want to have a dual boot by the way so I also want to make sure no Ubuntu is left out.

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OpenSUSE Hardware :: When Start Up System / Screen Switches To Lower Resolution

Nov 26, 2010

When i some times start up the system the screen switches to a lower resolution.Then when i restart my system and it switches to 1152x864.What can be causing this problem and how do we root out this ?

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Fedora :: Create A Pdf File In A3 Format From Two Sheets In A4 Format?

Apr 7, 2010

my school we want to print a magazine but we have problem with the format of the files. We need to create a sheet in A3 format from two sheets in A4 format. I was reading about the pdftk library but it doesn't do what i need.

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Ubuntu :: Restoring Evolution From Backup - No Valid File Message

Jul 7, 2011

I've been using 11.04 Unity, & quite like it. I fired up Blender 2.49b the other day (not used it for a long time) & its behaviour was very erratic. Due to this I decided to reinstall 10.10 for the time being, until October or maybe even the 12.04 LTS. I backed everything up & reinstalled 10.10. I then tried to restore my Evolution from the Natty backup file, which simply didn't work. The message was something about it not being a valid file. I'm assuming this is a non backwards compatibility issue.

Any way getting Blender to work or restoring Evolution? With regard to Blender (in Natty); I've not tried proprietary drivers for my GPU yet as the open source defaults have always been fine, so that's an option. It means another reinstall (of Natty), but that really isn't such a big deal at this point. With regard to Evolution (in Maverick); I found a ppa but I'm unsure how to proceed once I've added it. Would I do an apt-get update & an apt-get install evolution?

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General :: Counting Valid Paragraphs From A Html File?

Mar 28, 2010

I just wrote an html file, but somewhere on the write I lost count of the paragraphs.

In an html file paragaphs starts with <p> and ends with </p>

What I want to know is how to find the valid paragraph.

I used grep '<p>' file_name | grep -wc '</p>' . I dont know if this works.

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Software :: Program To Determine If A File Is A Valid Image (jpg, Png, Gif, Etc.)?

Jun 9, 2009

As the title says, I'm looking for a program that will go through all images in a directory tree and determine if they're valid, if they've been corrupted, and (wishful thinking) if they have the wrong extension. Does anything like that exist?

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General :: Current Time - File Path No Longer Valid

Aug 21, 2011

I am reading about jiffies in linux kernel. In one of the related example in the book Linux Device Driver, the author use
head -8 /proc/currentime
to print out some time information.

However this file is not present in my linux installation (kernel: 2.6.32-131.6.1.el6.x86_64). Why is it the case? Is it because the file path is no longer valid, or it is a distribution feature thing? It is not present in OSX too. What would be an equivalent in OSX?

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Ubuntu Installation :: Warning - Can't Create Test File /var/lib/mysql/mosty.lower-test

Mar 15, 2010

I am trying to install mysql 5.1.44..so i downloaded the binary package, i extracted it and then followed the instructions that were in the manual but i keep getting this error when running this command


scripts/mysql_install_db --basedir=/home/mosty/mysql

the error is


Installing MySQL system tables...
100315 20:07:27 [Warning] Can't create test file /var/lib/mysql/mosty.lower-test
100315 20:07:27 [Warning] Can't create test file /var/lib/mysql/mosty.lower-test


You can try to start the mysqld daemon with:

shell> /home/mosty/mysql/bin/mysqld --skip-grant &

and use the command line tool /home/mosty/mysql/bin/mysql to connect to the mysql database and look at the grant tables:

shell> /home/mosty/mysql/bin/mysql -u root mysql
mysql> show tables

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Ubuntu :: There Was An Error Installing The Selected File, Index.theme Doesn't Appear To Be A Valid Theme

Mar 31, 2011

I backed up .themes from /home, but on trying to install them (files don't show as theme packages) it says "There was an error installing the selected file, index.theme doesn't appear to be a valid theme". Did I backup the right thing?

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Ubuntu :: Nautilus Actions - This XML File Is Not A Valid Nautilus-actions Config File

Feb 18, 2010

I've been trying out Nautilus-actions (Gnome 2.28.4), but have been unable to import most config files from [url].

When I attempt to import an action, it complains:


Can't parse file 'convert_flv_to_avi.schemas' as GConf schema description file!

This XML file is not a valid Nautilus-actions config file (missing keys: )

So far, the only one that has worked for me is "Move to custom folder" [url].

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Ubuntu :: Error Creating File System: Helper Exited With Exit Code 1: Cannot Open /dev/mmcblk0p1: Read-only File System

May 2, 2010

I bought a new SD card which I intend to put some MP3s on - except that I can't write to it because it tells me the destination is Read Only. No-probs thinks I: I'll just reformat it.

"Error creating file system: helper exited with exit code 1: cannot open /dev/mmcblk0p1: Read-only file system"

Various chmod commands all result in Read-only file system. I tried umount then mount commands, but it couldn't find it to mount once I'd unmounted it using the same /media/ file path (I assume it's the only one).

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Ubuntu :: Ecryptfs Eats Up A Lot Of Space?

Jun 28, 2010

In my home directory, when I type

du -hs
I get


which is approximately HALF the space than actually needed. Is this increase due to ecryptfs? Also I noticed that the hidden folders are not shown. Are the hidden files within the shown folders included in this list? How do I show a summary which includes the hidden files?

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Ubuntu :: How To Recover Ecryptfs From Other Partition

Nov 3, 2010

I recently had to install ubuntu 10.10 through wubi because my olde ubuntu broke after a failed upgrade. Now I am quite happy with everything in 10.10 except I can't get to the files in my olde home folder because I chose the home folder encryption option in the installation process. How can I recover my home folder? They all seemed to be recovering from another user not another partition.

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Ubuntu :: Format HDD For Use With System?

Aug 16, 2010

I added an extra hard drive to my computer for backup purposes. I had used it with a windows system and it was NTFS before I formatted it. I used the recommended ext4 format. However, I cannot access the disk. It shows up on my desktop, but there's only one folder on it called lost+found and I cannot drop files into it. What else do I need to do to use the drive?

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Networking :: Craft A Valid Http/1.1 Request For Getting Http Headers (not The Html File Itself)

Sep 27, 2010

Using netcat, nc(1), craft a valid http/1.1 request for getting http headers (not the html file itself!) for the main index page of www dot aalto dot fi. What request method did you use? Which headers did you need to send to the server? What was the status code for the request? Which headers did the server return? Explain the purpose of each header.

nc -v www dot aalto dot fi 8080
host: www dot aalto dot fi
And it returns:
200 OK
Content-Length: 858
Content-Type: text/html
Last-Modified: Thu, 02 Sep 2010 12:46:01 GMT

I really don't know what does it mean. Question 2: Using netcat, nc(1), start a bogus web server listening on the loopback interface port 8080. Verify with netstat(, that the server really is listening where it should be. Direct your browser to the bogus server and capture the User-Agent: header "Direct your browser to the bogus server and capture the User-Agent: header" I don't understand this question.

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Ubuntu :: Hundreds / Thousands Of Ecryptfs Errors

Feb 13, 2010

I'm backing up my data asap. However, I am getting hundreds, maybe thousands of disk I/O errors when trying to run everyday programs, such as sqlite and firefox. Looking at dmesg, I see these items repeated many, many times:


[ 5196.943225] Valid eCryptfs headers not found in file header region or xattr region [ 5196.943232] Either the lower file is not in a valid eCryptfs format, or the key could not be retrieved. Plaintext passthrough mode is not enabled; returning -EIO

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Ubuntu Security :: Ecryptfs Is Not Freeing Space?

Sep 15, 2010

I used ecryptfs on a Private directory. It has about 5GB of data, but no matter what I do I can't free space in there. I have tried to delete some GBs to no avail. System monitor still shows me 5GB.

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Ubuntu Installation :: System Crashes In 10.04?

May 25, 2010

I upgraded not so long ago from version 9.10 to 10.04. What never happened before then started. I have system crashes all the time. When I play Solitaire, use Firefox and copy files.

I use ubuntu now for several years (at least since 8.04) and I never had a system crash before. I have a P5P800SE motherboard, a celeron 3.06 GHz processor and use 512 MB of memory. Ubuntu is installed under windows XP professional version 2002 service pack 3.

If not I will return to version 9.10 and wait for version 10.10.

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Ubuntu :: System Crashes Randomly?

Jun 7, 2010

I have an old PC in my basement that I decided to load Ubuntu onto a few months ago. I ran version 9 for a while and then recently upgraded to10.04.Unfortunately, I've been having issues with intermittent system crashes using both versions. Sometimes the computer will work fine for hours and other times it will crash 20 seconds after startup. I'll be able to provide much more information tonight when I get home but for now I wanted to plant the seed in the forum and see if anyone has any ideas.The computer will be working fine and then all of a sudden the screen will go black and then start blinking, switching between a blank screen and a blank screen with a bunch of tiny white squares/lines. When I restart, things seem okay again.

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Ubuntu :: Stopping Gdm Crashes System

Aug 21, 2010

I installed Ubuntu 10.04.1 yesterday, and I've been trying to install my nvidia 240 drivers for it. I've done this multiple times on 9.## and it worked fine. When I try to install them it says i need to shutdown xserver. so I open terminal and type sudo /etc/init.d/gdm stop screen goes blank and all there is is a flashing _ at the beginning. I'm not able to anything except type, but no commands work.

So, I tried starting it up in recovery mode root shell or whatever, and it shows the command prompt. Then I login, and it says welcome, I go to my downloads folder and type sudo sh NVIDIA...256.44.run and it says I need to be in telinit 3, so I get out of the installation and type sudo telinit 3.well that brings me up to a login command so I type my username then it askes for a password, which I also fill in.Now it says incorrect login. So I try again, and it keeps going on, but then I noticed that it puts the first letter of my username infront of Password.And the only way I can get out of that is by Alt + Ctrl + Del to restart, same when I shutdown gdm.

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