Debian Configuration :: Cannot SSH Tunnel Anymore

Oct 25, 2015

Unfortunately I have followed a misleading guide to set ssh and scp in order not to supply password everytime and...I messed up my ssh/scp settings as it does not work anymore.Well, in my attempt:

I moved to
Code: Select allcd ~/.ssh
then I created a rsa key
Code: Select allssh-keygen -t rsa

without giving any passphrase.Then

Code: Select allcat >> authorized_keys
chmod 600 authorized_keys

Then I tried tunnelling didn't work. So, ok, I tried to recover previous settings erasing all the items in the folder ~/ .ssh/. After I tried copying a file with the "usual" command that used to work before (i.e. scp file user-id@server) and...I've found out it does not work anymore!

I get this error message:
ssh_exchange_identification: Connection closed by remote host

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Debian Configuration :: Bad Bandwidth Management Behind SSH Tunnel

Mar 2, 2016

We have an Apache Subversion (http) server for hosting our codes, and, for the 3 next month, we are behind a DSL connection (max upload 100 kB/s).

When a remote co-worker try to download a new fresh copy of our projects on his computer directly over http, the transfer goes fine : with a bandwidth monitor (gnome-system-monitor or bwm-ng) we can see that the server is trying to send ~95kB/s and the connection remains usable for others task in parallel (just a bit slower, which is normal).

But : when the remote co-worker is connected through SSH to this server, and uses tunneling to communicate with Apache Subversion, the server is sending more than 200kB/s : the connection is not usable for other tasks during the transfer as with ~102kB/s actually transferred through the DSL Line, it's completely congested and more than fifty percents of the packets are lost.

I think that I understand why : TCP/IP auto-detects the max amount of successfully transmitted bytes per second, and try not send more than this maximum value.

When the Apache server is connected to the local instance of openssh-server through localhost, packets are transmitted successfully between them. Only after, openssh-server try to send it to the client (and should retry if it's not successfull) but during that time, Apache is already giving the next one... giving this saturation effect (Apache is not aware of the saturation, or at least, not enough)

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Debian Configuration :: IPSec VPN Tunnel Connection?

Feb 17, 2010

I am getting this error when I try to bring up IPSec Tunnel.Starting connection with command /usr/sbin/ipsec auto --up 'paycode-to-vivacom' ..

104 "paycode-to-vivacom" #7: STATE_MAIN_I1: initiate
003 "paycode-to-vivacom" #7: received Vendor ID payload [draft-ietf-ipsec-nat-t-ike-02_n] method set to=106
003 "paycode-to-vivacom" #7: ignoring Vendor ID payload [FRAGMENTATION c0000000]


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Debian Configuration :: Tunnel All Traffic Through PPTP VPN

Dec 12, 2010

I installed the PPTP Client [URL] and can successfully connect to my VPN (creates interface ppp0). The problem is, I'm trying to tunnel all of my traffic on my system through the connection. I've seen conflicting howtos and scripts including pptpclient's documentation (the ip-up and ip-down scripts don't work). How does one simply (even if I type it manually) tunnel the traffic?

System Info:
OS: Debian Squeeze, Kernel 2.6.32-5-686
GUI: Gnome (standard one from netisnt unstable install)
Main interface: eth1
PPTP interface: ppp0

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Debian Configuration :: How To Show Active Ssh Tunnel Connections

Apr 23, 2011

My Debian server is used by people to set up ssh-tunnels for use as a local proxy ( on their remote machines).Since only the tunnel is setup, and no shell is used, I can't use "who" to see which users have an active ssh-tunnel on my server, but I would like to have an idea about who is active etc. I think I should be able to determine this from the auth.log file, but then I would have to use some script to determine what connection is still active. Is there an easy way to see what users have active ssh-tunnels on my Debian server at any given moment?

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Debian :: Modify Configuration To Enable OpenVPN To Act As Tunnel Broker

Feb 18, 2011

I currently run openVPN on my Debian box that provides secure ipv4 routing from my laptop to my VPS in a different country (and from there the internet via this box). This works fine. However, id like to sort out ipv6 through this VPN as well as IPV4 and not overly sure how to do it. The remote server itself has native ipv6 configured on device eth0 and it works (ping6, traceroutes all fine,incoming to web servers etc) nicely on dual stack.

How would i go about modifying the config (both client and server if needed) to enable openVPN to act as a tunnel broker to enable the laptop to use the ipv6 through the server as well as the old v4? (the internet connection laptop end will not/does not have native ipv6 from the ISP. Currently im using he-net tunnel broker but id like to run myself through my existing openVPN). VPN config details: Its using UDP, port 1194, creates a TUN interface, redirect-gateway etc and the rest is normal config. Edit:- if it matters the clients are all running windows so i cant use sh scripts to set up stuff client end.

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Debian Configuration :: 8.0 Jessie Can't Log In With SSH Anymore

Jan 11, 2016

I installed Debian Jessie on my Hummingbaord. I use it with apache, owncloud and minidlna but after some days i rebooted the system and then i can't log in with SSH anymore.

The message I get:

Access denied
Using keyboard-interactive authentication.

And this again and again, although I enter the right password. If I login directly on the Hummingboard all works normally...

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Debian Configuration :: Can't Get Started From Grub Anymore

May 2, 2011

Installed Debian 6 last night after using Ubuntu for close to 3 years. Couldn't believe how wonderful everything was put together and working, with some minor beginning glitches (like nvidea 3D drivers not working) which were to be expected.

But now I'm sitting back in Ubuntu because I can't get Debian started from Grub anymore. The Grub menu is still there and the selections work fine too. I honestly have no idea what caused this. Last thing I was doing in Debian took place in the Software Center where I was installing some GTK+ themes and looking for some general utilities. I did find a Boot Logo/Login changer, at least that's what I think it was, and when I clicked on install ... I received a message that that application was already installed (must have been by default or through synaptic perhaps).

Anyway, as soon as that message cleared out, perhaps 2 or 3 seconds later the screen crashed and everything went black ... I'm assuming that the xerver crashed. Did a CTRL, ALT, DEL which successfully restarted the system. Got back to the grub menu, selected Debian, and got the black screen again with a login for a user, followed by the password request. Knowing next to nothing about Debian I was obviously stuck at that point. Then I tried the recovery console, and exactly the same thing happened.

Rebooted again, got back into the recovery console, and this time, after adding my user name and password, used CTRL + D which caused a ton of text to appear on the black screen. Near the end of it came a FAILURE message ...

Startpar: service(s) returned failure: gdomap failed:

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Debian Configuration :: Kernel Modules Won't Load Anymore

Jul 7, 2015

After a hiatus I found my machine to be down, but upon turning it on I get significant errors and dropped into emergency mode (see below). This machine wasn't very up-to-date to begin with, so I'm having difficulty determining the order in which to proceed. A couple naive checks and updates on my part are not working. The file system appears to be intact enough to "cd" around and "ls" to see that my files are all (seemingly) there. But the kernel modules aren't loading which is, you know, a problem.

The state I find it in is that it will begin booting to Linux 3.2 (which I know is no longer supported in testing, see below where I tried to update to 3.16), but fails quickly and puts me into emergency mode

Loading, please wait...
megasas: INIT adapter done
systemd[1]: Failed to insert module 'autofs4'
systemd[1]: Failed to open /dev/autofs: No such file or directory
systemd[1]: Failed to initialize automounter: No such file or directory
systemd[1]: Failed to set up automount Arbitrary Executable File Formats File System Automount Point.

...Then several drives show up as clean....

Running "journalctl -xb" shows that it can't mount the module even though it's there on the disk:
... systemd-modules-load[259]: could not open moddep file '/lib/modules/3.2.0-4-amd64/modules.dep.bin'
... systemd-modules-load[259]: Failed to lookup alias 'firewire-sbp2': Function not implemented
... systemd-modules-load[259]: could not open modeep file '/lib/modules/3.2.0-4-amd64/modules.dep.bin'
... systemd-modules-load[259]: Failed to lookup alias 'loop': Function not implemented

And yet, if I 'ls' that modules.dep.bin file, it's right where it's supposed to be, for the appropriate architecture and everything.

After that (in the journalctl output), it shows several things start up, but systemd-modules-load.service fails:
.. systemd[1]: systemd-modules-load.service: main process exited, code=exited, status=1/FAILURE
.. systemd[1]: systemd-modules-load.service: Failed to start Load Kernel Modules

...and lots of things fail from systemd-udevd: failed to execute '/lib/udev/socket:@/org/freedesktop/hal/udev_ev_event': No such file directory.

"uname -a" shows
Linux <my hostname> 3.2.0-4-amd64 #1 SMP Debian 3.2.32-1 x86_64 GNU/Linux

I tried updating via apt to the Linux 3.16.0 kernel, but grub wasn't finding it in a way that effects the boot process, and no appropriate "vmlinuz-" file appears with the others on the boot partition. So, I tried switching to grub2 but the update-grub command produces many errors.... For now, grub2 still (attempts to) load the old kernel (3.2) with the same results as I was getting with the old grub-legacy.

Regarding the module-loading features, running "lsmod" shows about 30 lines:


[Code] ....

...I'm at the limit of what I know to check and/or try.

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Debian Configuration :: Stylus Button Not Working Anymore After An Upgrade?

May 18, 2010

after today's upgrade, my Wacom stylus button stopped working.My xorg.conf is as follows:

Section "ServerLayout"
Identifier†" Configured"
Screen"Screen0" 0 0


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OpenSUSE Network :: Configuration Of 6to4 Tunnel On Ubuntu

May 6, 2011

I've got problem with configuration of 6to4 tunnel. I do it like they do here using iproute2 HTML Code: [URL] And still I can't ping I' ve got Destination unreachable: Address unreachable

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General :: Single Application Through OpenVPN Tunnel (Debian Lenny)?

Jan 25, 2010

I'm using Debian Lenny and I want to tunnel rtorrent only through a OpenVPN tunnel. I have a tunnel running, the config file looks like this:

dev tun
proto udp
remote 1194
resolv-retry infinite


My idea is that I could run a sockd proxy internally that redirects traffic to the openvpn tunnel. I could use the *nix "proxifier" application "tsocks" to make it possible for rtorrent to connect through that proxy (as rtorrent doesn't support proxies). I have trouble configuring sockd as my IP inside the VPN changes every time I connect. This is a config file someone said would help:[URl].. As my IP changes at each connect I don't know what to put in that config file. I have no control over the host side config file.

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Debian :: Cannot Get Ff To Load Anymore

Jun 23, 2015

I cannot get Ff to load anymore. It had been working perfectly. Nothing happens from icon click.When I try to load from terminal I get the following error message.

(process:1767): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed
Could not create gnome accelerators directory `/home/bren/.gnome2/accels': Permission denied

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Debian :: Gvim Does Not Work Anymore

Feb 21, 2011

After upgrading Squeeze, Gvim and Vim seems to be broken. So I went back to 7.2 by compiling from source. However I am failing to compile the gui version under Debian. I tried the configure options, apt-get build-dep vim etc but nothing seems to work. Does anyone know a straight way to make it work? Or even a way to find the previous version of vim gtk?

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Debian :: Cannot Start Windows Anymore

Jul 2, 2011

I habe installed the following operating systems:

- windows xp
- debian squeeze

I can not start windows any more. But debian still works. I would like to backup some windows-files. debian-programm which can save and burn windows-files on a cd?

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Debian Installation :: Can't Boot Anymore

Dec 11, 2010

I can't boot into my debian anymore, and I have no idea what is causing this Here is the output of dmesg in the attachement.

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Debian :: Cannot Login In Ebay Anymore

Dec 7, 2010

sorry, I donīt know abt systemsoftware at all. My neighbour that installed the pc here,
has moved away abt a year ago. I cannot login in ebay anymore. I can get the lists, but as I need to login, for buying of checking my messages, it starts connecting, but than īhangsī and does not come any further. I found a tip, to upgrade the browser, but HOW ?

I mostly use iceweasel, but chrome and conquerer do the same

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Debian :: NetworkManager Doesn't Like Me Anymore / Solve This?

Mar 19, 2010

I have little problem with NetworkManager. This problem begin when I upgraded Debian Etch to Lenny.

When I right-clicked nm-applet in Debian Etch, I get this dropdown menu where was button "Edit Connections..."
Now in Lenny there is only "Edit Wireless Connections" button. So I can't edit my wired connections anymore.

I know I can just edit /etc/network/interfaces file to set my IP, but I need about 20 different IP:s at work, so that is just stupid do it that way...

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Debian Hardware :: Mouse Not Scrolling Anymore

Sep 3, 2015

I have a Logitech M325 mouse. It is no longer scrolling on anything. Pointing and clicking is fine.

Code: Select all-Computer-
Processor      : 4x Intel(R) Atom(TM) CPU N550   @ 1.50GHz
Memory      : 2041MB (979MB used)
Operating System      : Debian GNU/Linux stretch/sid
User Name      : netbook31 (netbook31)
Date/Time      : Thu 03 Sep 2015 12:28:02 AEST

[Code] .....

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Debian :: Startx Dosent Work Anymore - 2.4 ?

Nov 5, 2010

I have a problem with my gui . i have I810 onboard graphics . it says something like ( agpgart not there ) celeron 633mhz old machine 256 mg ram 20gb master and 7 gb slave . first drive is debian 2.4 and slave is winxp . i also have a lt winmodem i would like to get goin . i cant seem to figure out how to mount the floppy . i tried vi /etc/fstab but cant figure out the lingo .when i loaded it before i had everything working ,kde , floppy ,sound, but no modem .im totally stuck in command line (witch is fun ), because my cdrom went out so i cant just reload debian. i hope this makes some kind of sense to someone .

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Debian Multimedia :: Can't Switch To A Text Terminal Anymore

Jul 31, 2010

I recently upgraded my squeeze in my job's PC. It went fine, but after a reboot if I press ctrl+alt+fX nothing happens. Keyboard works fine, I tested it in Openoffice.

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Debian Hardware :: Sound Suddenly Does Not Work Anymore

Apr 11, 2013

I'm running on Debian Testing, and I just distro-upgraded from Squeeze just a month ago. When I did, I had some strange sound and video problems. For the sake of this topic I'm just talking about the sound ones. Back then, my sound would only work as root, otherwise without any visible errors, I would play sound files and no audio would come out. I'm aware that this usually means that my user is not a member of the 'audio' group, but I did and Ihave confirmed it and all of my users are. Then, suddenly my sound inexplicably started working again, so I took it as it was. However two hours ago it disappeared again. The important information here is that nothing I did as a user could have effected it. All I did was let a video file buffer, write a text file to my documents, and send an email.

According to Alsamixer my sound card is HDA Intel & my chip is SigmaTel STAC9200. When I upgraded to Wheezy, the terminal told me that I would need to install proprietary drivers to get my sound (and especially) video working, however every tutorial I've found on how to do this seems to dead-end for my computer on the current testing branch of Debian.

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Debian Hardware :: Xserver-xorg-video-sis Not Available Anymore On 8.0?

May 2, 2015

Since my upgrade from Debian 7.8.0 to Debian 8.0

Happy to get a lot of my computers now working fine with Debian 8 ...

This one embed a Silicon Integrated Systems Video card [1039:6330]

This computer with an Athlon 64 2800+ and 1GB of DDR RAM, destined to be a BOINC worker until the end of his life, had the chance to upgrade with a Debian 7.8.0 (LXDE) few times ago (after long years of Windows XP services). And the only thing I had to set was the wireless card (firmware-b43-installer, adduser me netdev, and it was good) and it was perfecly working. Apt-get was giving to me creepy old versions of software, so it was the only thing that disturbed me, but let's go for the brand new Debian 8.0

But now with Debian 8.0, the graphics are bad, resolution is bad too.

I first tried with "lightdm" and "mate-desktop-environment" because of the LXDE icons that were fine on every computer with 7.8.0 but distorted and cropped with Debian 8 on every computer too (how is it simply possible for the mainteners to find it ok ). Seeing that my SiS card was not working well, I tried to reinstall everything with Debian 8 and LXDE as before... and hope icons will be repaired soon. But the problem with my video card is still present.

Then, I realised that on my Debian 7.8.0 computers, xserver-xorg-video-sis is available and installed. But not available anymore on Debian 8.0

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Debian :: Flash Won't Work Anymore In Full Screen

Dec 31, 2010

i'm trying to watch video on you tube. flash won't work for me anymore in full screen, so i'm trying the instructions from this web page: debian user forums - view topic - howto watch videos with only free software in debian'howto watch videos with only free software in debian'.install mozilla-mplayer, mplayer , the firefox extension greasemonkey and the script videos without flash auto for greasemonkey : videos without flash auto for greasemonkey when i try to watch you tube i get xine that trys to play the video, but it doesn't work. can i change this to use another player, or is that not going to help?

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Debian :: After Upgrading To Squeeze - Can't Mount My HDD Partitions Anymore

Oct 23, 2010

Actually, the /root- filesystem still gets mounted, for all the others I get the following message:

When I type

I get:

But this only happens when using my custom kernel ( When I use the kernel which was automatically installed (2.6.32-5-amd64), the problem doesn't occur.

Is there a kernel option I should have turned on?

I checked the UUID-numbers from the error messages with the output of "blkid" - they match. The rootfs is on sda2 (which gets mounted without error) - so I tried applying the fstab mount options of sda2 to the other partitions - same problem still. what makes the root partition so special? Is it because it's defined by grub.cfg?

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Debian :: Logitech Trackball Middle Mouse Is Not Working Anymore?

Feb 21, 2011

the Squeeze uprgade I also lost the middle mouse functionaly of my Logitech Marble Mouse. I do not remember how I set it up to be honest. I am not sure if it was by default middle was mouse was "pressing 2 buttons on eachside at the same time" or I did set up manually using Xmod or similar tool. I might have even set up in the hal settings. The reason I do not remember exactly is that I used multiple tuts and places to set this up long time ago and now that the functionality is gone I am kind of confused about how to go ahead about it.

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Debian :: Getting A Recent Version Of Wine Anymore On Squeeze 64bit

Aug 10, 2011

since lamaresh is not being updated anymore and the wine packages from the official Debian repository are quite old there isn't really much choice for getting a recent version of wine anymore. Since I don't want to use the carbon project or the Mempis repository, as stated here, (at least yet) I have decided to build the package myself. Unfortunately I would like to have a 32bit version but am running a 64bit version of Debian Squeeze. When I run ./configure I get the following message at the end.


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Debian :: System Doesn't Boot Anymore - Grub Rescue

Feb 18, 2012

My system doesn't boot anymore, when I turn on the laptop, instead of the normal grub screen, i get the following:

"error: file not found
Entering rescue mode...
grub rescue> _"

I tried also to make a bootable usb w/ unetbootin but all the distros failed to load w/ a syslinux boot error message so I really need to fix the existing debian installation to get access to my files i need for the university, it's debian stable (6.0.4) on hp mini 210 ....

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Debian Multimedia :: System Beep Doesnt Work Anymore?

Nov 21, 2010

I have a problem which is a great inconvenience to me. I want to say that I've been searching for the answer for a week and couldn't find anything but problems similar to mine which were unresolved.I used to have debian lenny, but one day i decided to reinstall my operating system and upgraded to sid, so I have a fresh install of debian sid with gnome.
The system beep no longer works on gnome.

What I mean, when i move to terminal(like ctrl+alt+f1) it works great, it also works when i type 'beep' in gnome-terminal. but it doesnt make a sound when i e.g. press ctrl+G, when i am being called on irssi, when i press backspace in gnome-terminal. These things used to work in Lenny, and I really need them (especially this hiliting in irssi). I would go back to Lenny if i didnt need some software that is not present for that version of debian. The pcspkr module is loaded

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Debian :: Flash - Couldn't Watch Movies On Hulu Anymore

Jan 18, 2010

All of a sudden I couldn't watch movies on Hulu anymore, so I have just upgraded Debian from the Etch to Lenny, because I wanted to update to the newest version of Adobe flash. In Iceweasel under add-ons, it says that I have the newest (10.0 r42) version. The old one (9.0 r124) is still listed. It is listed as disabled, white version 10 is listed as enabled. I still can't watch movies on Hulu.

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