General :: Find The Valid Values For The Sys Pseudo-filesystem Interface?

May 11, 2011

Specifically, I'd love to know what the valid values of:

And, where I can find this information? I've always wondered if it was documented somewhere, or if there was an interface into the kernel to query for it.

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General :: Tune2fs Says Couldn't Find Valid Filesystem Superblock

May 12, 2010

I'm logged into a server through the CLI and did a df -T and confirmed all my volumes are ext3. but when I do a tune2fs -l /dev/sde it tells me

tune2fs 1.39 (29-May-2006)
tune2fs: Permission denied while trying to open /dev/sde
Couldn't find valid filesystem superblock.

I don't have root access on the server, but is that why it's complaining, or is my syntax incorrect?

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General :: Can't Find A Valid Ram Image

Apr 8, 2010

I've compiled the kernel 2.6.33, configured it and installed (make install)

When it boots up I get the following messages: RAMDISK: I can't find a valid disk image at 0 VFS: Couldn't open root at /boot/vmlinuz-2.6.33mykerne1 or block (0,0)

My current system configuration is:
Linux domenico-laptop 2.6.24-16-generic
titleUbuntu 8.04, kernel 2.6.24-16-generic


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General :: Unable To Find The Values In The Header Records?

May 31, 2011

I have been asked to write a program to extract the width and height values from .gif, .jpg and .png files. For .gif I was able to find the values in the header records, but it is not so straight forward for the other two formats.

Does anyone know if there is a Linux utility that will do this for me?

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General :: Install PerlMagick - ImageMagick - Where Do I Find Values For LIB / INC

Jun 2, 2011

I downloaded, configured and installed ImageMagic-6.7 without too much trouble.

I'm trying to install the perl module Image::Magick, and using MCPAN just errors out big time.

I read in the docs for installing ImageMagic, that I need to edit the Makefile.PL in the PerlMagick directory before I can do a make / make install.

I'm supposed to change the LIBS and INC, but I have no idea what I'm supposed to change them to? Do I just add to what's there? Where do I find the values to add/change to?

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Software :: Cannot Find A Valid Baseurl For Repo

Mar 3, 2010

when I run 'yum install ...' this error apear


Cannot find a valid baseurl for repo

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General :: Find Out Primary Interface On RHEL?

Apr 14, 2011

find out the primary interface on RHEL Linux. I came across [URL]. Is this the best way?

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General :: Random Keyboard Pseudo-failure?

Jan 9, 2011

Occasionally when I start typing into a text box, it will not enter text until I go to another window or text box and click back in. This seems to happen at random without any pattern or to any specific applications more than others. I can still use alt-tab and similar commands, so I know it's not the hardware. I am running Ubuntu 10.04 Lucid Lynx using a Microsoft Multimedia keyboard and I am running SCIM for Japanese input, but I almost always have it set to English, and it can be set t

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General :: What Is Short Cut Key To Toggle Between Pseudo Terminals In Red Hat?

Apr 21, 2011

what is short cut key to toggle between pseudo terminals in red hat? how can i create customized short cut keys in red hat?

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Fedora Installation :: F10 Upgrade - Cannot Find Valid Base URL

Apr 23, 2009

I try to do a upgrade on my fedora 6 ill 10. But when I try to write yum update or yum upgrade on my server a get this error:
yum update
Loading "installonlyn" plugin
Setting up update process
Setting up repositories
Error: Cannot find a valid baseurl for repo: extras

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General :: Shell Command To Find Newest File In Filesystem?

Apr 13, 2010

I'm relatively experienced with UNIX and Linux, but this has me thrown for quite a loop, and it seemed like such a simple question. How would I go about finding the newest file in a file system? I thought something like:


ls -ltr `find /usr -type f`

would work, but I seem to be exceeding the argument maximum for ls:

ksh: 0403-029 There is not enough memory available now

I thought something involving xargs might work, but I really suck with that command.

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Server :: Error - Cannot Find A Valid Baseurl For Repo - Addons ?

Jan 3, 2010

I recently did my first installation of centos on a vm. I tried playing around for a while but when I tried doing an update it says Determining fastest mirrors for a while then gave me Could not retrieve mirrorlist [url]

Error was
[1] 13506
[2] 13507

Cannot find a valid baseurl for repo:addons

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Server :: Error: Cannot Find A Valid Baseurl For Repo: Base

Apr 18, 2011

When trying to run 'yum update' or 'yum install' i get the following message:


# yum update
Loaded plugins: fastestmirror, kmod
Loading mirror speeds from cached hostfile
YumRepo Error: All mirror URLs are not using ftp, http[s] or file.


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CentOS 5 :: Error: Cannot Find A Valid Baseurl For Repo: Rpmforge

Nov 18, 2010

i am trying to install the GD2 extension for PHP but i am not sure how to do this. i have try the

yum install php-gd
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
Could not retrieve mirrorlist error was
[Errno 14] HTTP Error 404: Not Found
Error: Cannot find a valid baseurl for repo: rpmforge

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CentOS 5 Networking :: No Hostname - Cannot Find Valid BaseURL For Repo

May 12, 2011

I have a server running centos 5 located in a datacenter. I am setting it up as a web server but haven't bothered to move the domain from my current registrar to the server as there are a lot of things I need to get done before that. I am having a problem where I couldn't install httpd. So i tried some of the basic fixes i knew as far as yum clean all and checking that my /etc/resolv.conf was ok. I have the two nameservers I am using listed there but I have no hostname set because I simply dont have the domain transferred or anything like that yet. Is that the reason I am having these issues. I installed the system with a network install fine about a month ago so im not sure why I am having problems now.When i try to ping I get an unknown host error. I tried changing the resolv.conf to have localhost as the hostname and I still have the same issues. I havent made any changes to anything that would potentially cause this.

My etc/resolv.conf looks like this:
nameserver 12.34.567.8
nameserver 12.34.566.8

Also it seems the problem may have got worse after yum clean-all because before that when I would try 'yum install httpd' it would show the files and filesizes and ask to install, when I would select yes It would give an error showing it could not find the fastestmirror. Now it doesn't give any file size or files or an option to approve the install. It just responds with an error saying it could not retrieve mirrorlist
<urlopen error (-3, 'Temporary failure in name resolution' Error Cannot find a valid baseurl for repo: base

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General :: Find Out How To Load Graphic User Interface In Jaunty

May 20, 2011

I am a newbie to Jaunty, so please forgive my descrip. terminology. I am experiencing a great amount of grief with my Jaunty install. I can no longer get a login screen in Jaunty. When I try to boot normally for this install I get an unclean shutdown screen & it goes into the "checking drive" mode. I uninstalled some applications such as has to do with touchpad, remote desktop, xorg-driver-fglrx etc. I reinstalled xorg-driver-fglrx, which I later found out that I do not need. I have an AMD64 HP system with ATI graphics onboard.

I need to find out how to load graphic user interface in Jaunty. Some of the necessary files have been completely removed by me & I need to reload the repositories and update my current install.The partition is encrypted but I have been able to login with the username & password for THIS encrypted install using the "repair broken system" part of the GRUB screen.

How do I go into the terminal and load repositories, and maybe the kernel so I can do an update/upgrade? I do not know if upgrade is part of what I need to do I wanna keep my Jaunty install so I can access 50G of data that is on this install. I have made no backup of this data!!!

I am able to login to my install using my username & password after I get to the "#" prompt, (option "fix broken system" in GRUB) so I know login can be done under username of install. I just need to know what to TYPE into the terminal to restore the necessary files in the right place to make it run. (Is it called terminal at that point?)

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Fedora Servers :: Error: Cannot Find A Valid Baseurl For Repo: Base

May 1, 2011

I have a VPS with Fedora 13 32 bits.

[root@mbr ~]# cat /etc/fedora-release
Fedora release 13 (Goddard)
[root@mbr ~]# yum install cyrus-sasl-md5

Loaded plugins: fastestmirror Repository updates is listed more than once in the configuration Determining fastest mirrors YumRepo Error: All mirror URLs are not using ftp, http[s] or file. Eg. 13 is not a valid release or hasnt been released yet/ removing mirrorlist with no valid mirrors: /var/cache/yum/i386/13/base/mirrorlist.txt Error: Cannot find a valid baseurl for repo: base

I tried

# yum clean all
# yum list

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Software :: Error: Cannot Find A Valid Baseurl For Repo: Extras"

May 7, 2010

i was installing YUM GROUPINSTALL 'DEVELOPMENT TOOLS' but in start i got an error saying "Error: Cannot find a valid baseurl for repo: extras". how can i solve this issue?

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Fedora :: Error: Cannot Find A Valid Baseurl For Repo: Rpmfusion-free-updates

Dec 31, 2009

I keep getting the following error when trying to install anything:

Could not retrieve mirrorlist error was
[Errno 14] HTTP Error 404: Not Found
Error: Cannot find a valid baseurl for repo: rpmfusion-free-updates

So this tells me the servers are down however if i put the link in FF I don't get 404.I am installing on a new box and I can't get the stuff I need.

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General :: Ebay Obd2 Interface Not Working Cant Even Find Usb Driver In Ubantu Netbook?

Oct 20, 2010

i bought an ebay usb obd2 interface and i could not get it to work in ubantu netbook i want to use my laptop to use when i fix a car to be able to read the codes well i just installed ubantu i never used linx before but for some reason i got it to install on my laptop i allways used xp but i am sick of the crashing and read that ubantu was very good way to use linux.

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General :: Filesystem Full - Find The Biggest Directories Or Biggest File?

Apr 28, 2011

Under Linux, I'm looking for a command to list the biggest file and/or the biggest directories under a directory.

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General :: Send Commands To Another "pseudo Terminal"?

May 8, 2010

Is there some way to send commands to another "pseudo terminal" or otherwise access one when the desktop environment has frozen to get a program there to save its data? (i.e. after logging in remotely) I tried "echoing" to "/dev/pts/X" (X = number) but that doesn't seem to work. It just displays whatever is echoed there -- it is not accepted as input.

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General :: Detect Filesystem Type (can't Mount Filesystem Image .img)

Mar 11, 2011

I am trying to mount a file image, like this

mount -o loop /tmp/apps.img /media/apps

But I get the following:

mount: you must specify the filesystem type

I try ext3:

mount -o loop /tmp/apps.img /media/apps -t ext3

dmesg says:

error: can't find ext3 filesystem on dev loop6.

I've also tried ext2, vfat etc. How can I detect the filesystem type of apps.img?

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General :: External Drive Read Only - WARNING! Running E2fsck On A Mounted Filesystem May Cause SEVERE Filesystem Damage

Mar 24, 2010

I've had a look at some similar threads but as I'm very new to linux they're already a bit technical for me. Sorry, this calls for someone with patience. I gather from other threads that disconnecting an external drive without unmounting is a no-no, and this seems to be the likely cause. Now the disk is read only and I'm unable to change any settings through the usual control panel on ubuntu. I'm just not familiar with the terminal instructions. I tried to cut and past a few command lines from other threads but I got some warnings that proceding could damage data. Like this one: WARNING! Running e2fsck on a mounted filesystem may cause SEVERE filesystem damage.

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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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General :: Unable To Use GUI Interface Meant Graphics Interface?

Apr 11, 2011

i am using windows 7 in my laptop and linux is installed on virtualBox but my problem is the screen is showing small in virtualbox is there any way to enalarge the screen to show like windows screen? i did before by using VGA setting but it made problem me i was not able to use GUI interface i meant graphics interface
it was just showing me Command Prompt.

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Ubuntu Networking :: Find Preferences On The Filesystem?

Jan 7, 2010

So I'm having DNS issues (with my router it takes too long to resolve) with 9.10. If I'm using GNOME I can just change the preferences. But where do I find those preferences on the filesystem?

I modified /etc/resolv.conf to just use Google DNS and it works great, but then something overwrites it with my router DNS. I guess that's a generated file, but what do I edit to change the generator?

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Ubuntu Installation :: Grub2 Does Not Find Filesystem?

Jan 11, 2010

Here is my problem. Grub2 outputs error: unknown filesystem. Then when i use "ls" command it outputs this:
(hd0), (hd0,4), (hd0,2), (hd1) and when i "ls (hd0,4)/ or any of them it says: error: no such disk

So, heres my story. I dual boot vista and ubuntu from my main 320GB hdd. Today i tried to fresh install 9.10 on a different external hdd. The 500GB hard drive already had two partitions, a 30GB Fat32 and the rest NTFS. both of these partitions had about 17GB used on them. I installed off a cd and i shrunk the NTFS to allow for more partitions. I made a 4gb swap as logical at the end then a primary ext4 / partition in front of it. The drives are Fat32 sdg0, ntfs sdg1, then an sdg3 (which im confused about and says is extension), and sdg4 (with linux) and sdg5 (swap). When finished with the partitions it asked me to select where to mount the ntfs and i said /windows. When i tried to boot up it did not recognize my external apparently because it was plugged in via firewire. I switched to usb and it booted but then i got the error message in grub. Also, when i switched from firewire to usb the drive changed from sdb to sdg. How do i fix this problem? Will reinstalling ubuntu fix this? Is there an easier way? I tried reinstalling grub but it did not work.

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Ubuntu Multimedia :: Can't Find Mp3 Player In The Filesystem?

Jun 23, 2010

When i connect my mp3 player to my computer it creates a "drive/folder" for it on my desktop and places it in my Place menu.. but i can't find the mp3 player in the /media folder. Does anyone know why this is? or where i could access the mp3 like a normal folder?

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Installation :: Cannot Find Filesystem While Booting Any Distro

Jan 31, 2010

I've been playing around with an old laptop and a hand full of Linux distros. I found that each Linux has a kernel "vmlinuz" and a initrd "initrd.gz" no matter how you boot the distro it uses these to files. I have CrunchBang Installed on my laptop I put a copy of the ubuntu live disk in the location

I added a new boot option for grub It looks like this
Title Ubuntu
kernel /home/user-pc/ubuntu/casper/vmlinuz
initrd /home/user-pc/ubuntu/casper/initrd.gz

This boots like a normal cd only problem is while its booting it tells me it cant find the file System. This happened for every single Linux distro I tried to boot. Is there something I am missing here is there a way to tell the boot peramiter where the file system is I think what it means by file system is the "filesystem.squashfs" file.

I have 2 questions
1. Is there anyway to tell the grub loader that this is the file system. To make the live CD boot properly.
2. How do CD's work is it not the same?

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