Ubuntu Networking :: Constant Hash Sum Mismatches On Download Caused By ISP?
Jan 16, 2010
I read somewhere that ISPs can cache files and that this will cause a hash sum mismatch when you try to open the file.
I have been trying to install scourge, and whether I go through the playdeb route, or compile by source route, in both cases the file is corrupt. With playdeb, the data folder has a hash sum mismatch. When I try and compile by source, the tarball can't extract (I'm thinking for the same reason).
If my ISP is causing this, how would I stop it, short of connecting to another network?
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Feb 11, 2010
unfortunately it looks like UNR 9.10 is as unusable as desktop 9.10 was (constant freeze crashing). Is there anywhere I can download 9.04 UNR? Ubuntu.com only seems to let you download the latest version.
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Mar 3, 2010
I think an update or something has killed Samba on my Karmic box. it can see Windows shares OK, but it no longer appears on the Windows network.I have not changed my smb.conf for months, so something else has been modified.Looking in the logs I can see the following in "log.winbindd-idmap" after restarting Samba
Code:
[2010/03/03 10:07:20, 0] winbindd/idmap.c:201(smb_register_idmap_alloc)
idmap_alloc module tdb already registered!
[2010/03/03 10:07:20, 0] winbindd/idmap.c:149(smb_register_idmap)
[code]...
All other networking seems fine (internet, Synergy+ etc) it's just sharing out to the Windows network that is broken.
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Jun 30, 2010
I don't know what's wrong with my Ubuntu but everytime I open Transmission BitTorrent Client, the internet connection become unstable from time to time. Internet access run smooth without it but I need it to download file from torrent...
I used Dual-boot with XP and Ubuntu and I got no problem with 9.10 Karmic Koala but just got this problem after upgrading to 10.04 Lucid Lynx.
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Jan 5, 2010
My wireless usb network adapter is constantly using ~100bytes/s even when there is nothing I can think of that needs to talk to the internet. Is there a way to find out what programs are using the internet?
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Mar 15, 2010
I want a bandwidth monitor which performs constant monitoring of the ethernet. I want to see how much bandwidth I am spending by opening each website, downloading, etc. A small program which can remain "always on top".
I am using Gkrellm but the problem is it does not updates itself constantly, I mean I have to close/open its eth0 monitoring window to view changes (I am not talking about restarting Gkrellm, only the bandwidth window which shows the daily, monthly bandwidths)
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May 2, 2010
This is a fresh install of Ubuntu 10.04 on a Dell XPS M1530. I'm getting very frequent disconnects to my wireless network, despite good signal. I have wicd and nm-applet running side by side, wicd doesn't work by itself and nm-applet won't get a new IP after reassociating with the AP.
Wireless connection is steady in Windows 7, so I'm guessing it's a problem with the driver.
Wifi card: 0b:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02)
Driver:
Code:
[ 22.889588] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, 2.6.32-21-generic-ks
[ 22.889592] iwl3945: Copyright(c) 2003-2009 Intel Corporation
[Code].....
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Oct 19, 2010
I've been using a Netgear WG311v3 wireless card to connect to the internet successfully since 8.10. However, since 10.04 I've had some serious issues with this card (at least...I think it's the card). I updated to Meerkat hoping that the problem might fix itself, but it's still there. Here's the situation: The problem most often occurs when I'm running Transmission, but also Firefox. It also happens when streaming videos to my xbox via uShare...basically, any time I'm using the internet.
Suddenly, my download in Transmission will drop to 0.0 KiB/s or in Firefox, pages will stop loading. If I close and try to reopen Firefox, it tells me the process is already running. If I try to restart, it says firefox-bin is still running. I click reboot anyway, and the computer hangs indefinitely at the purple Ubuntu shutdown screen. The terminal also freezes if I try to run any commands that are wireless related, for example iwconfig or ifconfig. I have to close the terminal to kill the process.
I've also had more serious crashes when running Transmission where absolutely everything freezes and a hard reset is my only way out. Forgive my n00bishness and let me know what other information I can provide you with.
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Jul 4, 2011
I installed newest Ubuntu system, 11.04, Natty-Narwhal, and PC is running smoothly. It is solid machine, Celeron 430, 1 gb of DDR2 memory and I have both LAN card and graphics integrated on the mobo which is MSI 7529, based on G31/P35/P31 chipset.
I plugged lan cable directly from my PC to the ADSL router. There is another Win Xp machine on the same router and it has connection, and internet is working fine. Right now Im writing from the Win 7 laptop, which is connected to the same router via wifi link... all working like a charm...
But, when I plug the Ubuntu desk I cannot get access to bot lan and internet...
I searched the net and it seems that ubuntu didnt install proper driver during the OS installation. Here are some diagnostics of the current config and state:
Code:
Module Size Used by
binfmt_misc 13213 1
snd_hda_codec_realtek 255820 1
code....
As you can see I need to install driver named r8101 instead this one r8169 and I think it will work that way. I found driver here only problem is dont know how to replace them.
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Jan 8, 2011
I am at a university where my bandwidth is severely capped. I can start several other computers near me and download at the limited speed simultaneously. Is there any way for me to share the download between the computers to get the cumulative speed?
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Feb 9, 2010
I have 2 computer: 1 computer install ubuntu v9.10, in this computer already installed openssh-server and openssh-client, and 1 computer install windows. In computer with windows , i used putty connect to computer with ubuntu, but i can't connect. I don't understand what's error.
In the Putty , i configured:
IP : IP address of computer Ubuntu.
Port 22
Connection Type SSH
This is error: "Network Error: Software caused connection abort"
In computer with windows, i can ping computer with ubuntu and in computer with ubuntu i can ping computer with windows.
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Aug 6, 2010
Ive recently switched over to AT&T Uverse TV/Internet service and I've noticed that when I ssh into my linux( 2.6.18-194.3.1.el5xen CentOS) server I get disconnected. When I'm using putty it gives the "network error software caused connection abort" error. When I'm at work using one of our jump servers and ssh'ing from the command line it will freeze up from time to time but never disconnects. I think the problem is either with the OS or the new AT&T modem. At first I had my CentOS server using DHCP and it would disconnect within a few minutes after I ssh'ed. I switched over to a static IP and now it goes about 10 minutes before it disconnects. It doesnt matter if I'm actively typing or not, so it's not an inactivity issue. I have the firewall turned off on my laptop, and since the issue happens on multiple devices, including my iphone I dont think thats the issue.
I have iptables and selinux turned off/disabled so thats not it. In putty I have enabled Keep Alive(30 seconds) and it still disconnects. I opened the port on the modem to allow ssh for the IP of the linux server. Ive also recently reinstalled this server with CentOS so I can't compare with the previous internet provider as I didn't reinstall until after I switched over. BUT previous installs with CentOS 5.2 worked fine with the previous ISP. AT&T Modem is a 2wire 3800HGV-B
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Jun 22, 2011
TrueCrypt offers 3 hashes for use: RIPEMD-160, SHA-512, WHIRLPOOL.What do most people use? How does one go about deciding which one is appropriate for them? Do they differ in security or performance?
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Mar 3, 2010
My laptop running ubuntu 9.10 load NEVER drops below 1, and generally hovers between 1 and 2. This does not happen on any other of my ubuntu machines.
Any ideas of what to check? I've turned off indexing and watched system monitor. I always sit at 0% cpu usage, no active apps, but always a high load.
Attached is a screenshot showing top (with the load).
In my system monitors up top you can see the middle one in red, which is load. Constantly 1-2. The left one is cpu (almost no usage at all) right right one is disk IO.
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May 11, 2010
I am trying to upgrade from 9.10 to 10.04 (upgrade through alternate cd) but getting error ( hash sum mismatch) for some of the packages ,
how i do fix this issue
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Oct 19, 2010
I am in the process of cloning a HD. Before I wipe the original drive I was wondering if there was a tool to create something like a md5 hash of the entire drive to verify that I have an exact copy. It does not necessarily have to be an md5 hash and any command line BASH options would work for me as well.
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Sep 3, 2010
I'm on 10.04. 64bit (but dont think this is 64bit related)
I have been getting this very annoying error while trying to burn DVD-DL media from an iso using growisofs. Here is the command I used (to burn a backup copy of an xbox360 game)
Code:
growisofs -use-the-force-luke=dao -use-the-force-luke=break:1913760 -dvd-compat -speed=2.4 -Z /dev/scd0=nameofmyiso.iso
Now, every single time, usually around 50%, I get this error:
:-[ WRITE@LBA=aacf0h failed with SK=3h/WRITE ERROR]: Input/output error
write failed: Input/output error
I've been searching around and found threads with people complaining about this error since 2005, but not a single one of them presented any solution (some hint to a kernel issue, which I'd have no idea how to fix. I'm a noob at linux).
I also tried burning it using imgburn under wine, same error, also at 50%.
This is very frustrating, Ive burned around 6 coasters so far and DVD-DL are expensive to keep on this trial and error.
p.s It's not faulty media before anyone asks. I tried it on Mac and it worked fine. Also, this drive worked well before, before I migrated this machine.
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Sep 22, 2010
I would like to report my experience while using UNR 10.04.
Everytime I connect my Nokia handphone either as a mass storage mode (for transfering video/image) OR using my handphone as a 3.5G Modem.
While connected or even after I finished connecting my handphone for the above purposes, when I close down Chromium browser, the whole OS will freeze!! Neither keyboard or mouse would work. This thing does not happened if I'm using Firefox for browsing internet.
I have to do a hard restart to use my netbook again.
Chromium:
6.0.472.53 (57914) Ubuntu 10.04
UNR 10.04: with updated software packages
HP Mini 110-1006TU
Standard specification with 2GB RAM.
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Nov 5, 2010
I'm using Lucid on a laptop, (details in sig). Often after I've been running Ubuntu for a while, like a few hours, my HD activity light will come on and not stop, causing my machine to become laggy. (A link might open 3-5 seconds I click on it, typing appears a second after I press the key, a window or dropdown menu might take 5-10 seconds to be drawn.) I currently have Firefox with one tab and a Nautilus window open. Conky says the CPU is running at 10-20%, RAM is almost all used, (I assume Firefox's cache is filling up, since I've been surfing for a while), and swap is around 25% full. I just turned Compiz & Emerald off, but the HD is still spinning away. At this point, I usually log out and in again, or reboot. I though slowing performance with usage, resource-hogging background processes and constant rebooting were Windoze traits! What gives?Apparently, this is caused by Update Manager. Unbeknownst to me, Update Manager was waiting for me to give it the go-ahead, but while it's open, instead of patiently waiting, it renders my computer unusably slow, even though it's not supposed to be doing anything.
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May 1, 2011
here's the videos video of the error in action
i just upgraded from 10.10 to 11.04 and am using the "classic" gnome 2 interface. i have an ati card, currently powered by the standard fglrx drivers. something must be wrong with compositing, because when i mouse over avant window navigator, indicators, menus, drag files, etc, there is a good (but still random) chance of it breaking my display.
just for the record, i have tried this with the newest catalyst drivers from the official website, the fglrx drivers from the repository and without any fglrx drivers at all. i am running a patched version of emerald that works with the included compiz, but i still get the same crashes with metacity's window decorator and without avant window navigator. indicator menus will just crash the screen from gnome-panel.
i had also gotten this same problem in a previous natty install using unity.
edit: hmm, disabling compiz seems to keep the crashes at bay, so i think this is a (major) compiz bug. does anyone know which logs i should include in my bug report?
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May 17, 2010
My dads' hard drive went up a while back. So we got him a new one and installed Ubuntu 9.10 instead of windows. All was going well until About two weeks ago. The system restarts randomly. Not when anyone is doing anything in particular. Sometimes when we are using firefox, sometimes just sitting on the desktop, and never after any certain amount of time.Some times its after five minutes, some times after several hours. It's not a full out crash, the window for shutdown/switch user/restart comes up out of nowhere. When we close the window, it shows back up pretty quickly, but then the computer will just crash. While restarting, half of the time the computer won't make it past the bios screen before restarting again,and will continue the bios restarting cycle until the computer is unplugged. By the way, the system is a dell dimension E310 from 2005 with all of the original hardware minus hard drive inside, so if it is a hardware issue that wouldn't surprise me. Also, just one time after the restart I received the message "fsck from util-linux-ng 2.16" , if that helps at all.
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Mar 12, 2011
apt-get update
W: Failed to fetch bzip2:/var/lib/apt/lists/partial/ftp.ro.debian.org_debian_dists_unstable_main_binary-i386_Packages Hash Sum mismatch
E: Some index files failed to download. They have been ignored, or old ones used instead.
My source.list
#Debian Testing repo
deb http://ftp.ro.debian.org/debian/ testing main non-free contrib
#deb-src http://ftp.ro.debian.org/debian/ testing main non-free contrib[code]....
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Nov 4, 2010
If I try and paste text from the clipboard when using vim, it automatically inserts hash at the start of every line. This is driving me mad! How to I get rid of it? Ive deleted all my .vim files/directories in my home directory.
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Jan 20, 2010
Is there any utility that can provide a list of all files, and both the file size and md5 hash value. Preferably also including other hash values.I've got 1.5 TB of files to go through, and delete duplicates..Neither fdupes or fslint are up to the task --- both claim files to be duplicates, when they definately are not. (Movies, and OOo documents are not identical, even if one is the script for the other, which in this case is not the case. Both fdupes and fslint claimed that those two files were identical. (And yes, I did look at them.
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Apr 10, 2010
I have created a very simple spreadsheet - using gnumeric - with small numbers and simple formulas - the numbers fit easily inside their cells - the formatting all seems in order BEFORE I try to print. When I set up the spreadsheet for printing - and "print preview" the document, I see hash marks in place of numbers in a majority of the cells. When I print the document, the hash marks are printed, in place of the numbers. When I view the document under normal circumstances, for editing - the hash marks are not present. All seems well. I cannot print the spreadsheet without the hash marks (#####) appearing!
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Oct 22, 2010
Like an idiot I threw out my encryption hash that I wrote down when I installed my system. Any way to recover it? Nothing is wrong with my system, just thought I should write it down.
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Apr 4, 2011
I have tried installing skype through synaptic package manager, downloading from website through software centre and also manually using apt-get and dpkg. All I get is the same error - hash sum mismatch so file could not be retrieved. have tried the apt-get update and makes same error. not entirely certain what the --fix missing does or how to run it.
Get:1 [URL] [20.2MB]
Fetched 20.2MB in 6min 31s (51.5kB/s)
Failed to fetch [URL] Hash Sum mismatch
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? I just done successful install for Opera and Thunderbird. just this skype thing I can't seem to sort!
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Apr 29, 2011
I used deja dup to backup my home folder today so I could restore it after reinstalling 11.04. now, it starts to restore, but gives me this error every time:
Code:
Calculated hash: ac14ae0a7bf52c1ea0d851cec864df9e1c06b54e
Manifest hash: 4173054c0b0c8ce1154af5b5caae2a7591652765
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May 22, 2011
I keep getting a very frustrating error after reinstalling 11.04 on a 64-bit server:
Code:
W: Failed to fetch gzip:/var/lib/apt/lists/partial/us.archive.ubuntu.com_ubuntu_dists_natty_universe_source_Sources Hash Sum mismatch
which follow
Code:
bzip2: Data integrity error when decompressing.
[Code]...
I originally installed 11.04 on this system with the same disk so I'm confused as to what is happening. I have tried using different CD's and even installed of a USB. The memory test of the installer came back okay. The box has two PCI NICs that are recognized and functioning. The only package I have installed is openssh as this is a headless box. What makes this even more odd is that I have a newly installed 32-bit 11.04 server with the same procedure on the same network and it does just fine.
I hope I have been thorough enough in my search and investigation that someone can point me in the right direction. After reinstalling 3 times I am at a loss and I know 11.04 can run on my box without problem (as it did before the reinstall).Tonight I'm going to reinstall with the built in interface unplugged and the two NICs removed, I'm hoping this will prevent apt from bricking itself during the install, which is the only think left I can think of. I suspect the issue has to do with the nic despite it appearing to function properly I am unable to uncompress the archives in question on, my workstation, when they are downloaded on the sever but can successfully uncompress the same files when downloaded on the workstation.
SOLUTION: I pulled both NIC's and enabled the integrated interface and it is all working. I wonder why they didn't work though...
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Mar 14, 2010
About 2 weeks ago I upgraded my Ubuntu OS from 8.04 to 8.10 and then to 9.04 with kernel 2.6.28 - 10 - Generic.Today I discovered K9Copy no longer works. When I start K9Copy it comes up ok but if I click on anything in the main window (file, copy, etc.) I get a message that says:A fatal error occured.The application K9Copy crashed and caused the signal 11 (SIGSEGV)
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