Debian Configuration :: Network Going Down During Uploads?
May 21, 2011
I have a server and I have a few computers connected to it via a Airport Extreme. Using network cable. So when Im uploading,(ftp) IE using a lot of the network "space" the other computers on the network gets kicked out. So what is going on? My Airport Extreme is doing fine, but my other clients just get kicked out. If I pause the upload, everything is okay again. The whole network is 1 gigabit, clients, everything.
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Jun 24, 2011
I have a home server based on Ubuntu Linux 10.04.2.
Hardware:
Motherboard - Asus AT4NM10-I (Intel NM10, PCI)
CPU - Integrated Intel Atom D410
RAM - 2 Gb
Lan - D-Link DGE-528T Gigabit Adapter
Provider gives 8/2 Mbit ADSL connection.
So tried Deluge and Transmission, and integrated or external network card and no luck.
When torrent file is being seeded on top speed network starts freezing, server almost unreachable, video freezing when watching it by LAN from server... etc...
When I pause upload - everything starts working ok!
Network based on gigabit switch and cooper UTP cables...
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Jul 15, 2011
We are a small company running half a dozen servers in data center.Recently we got charged heavily for over-utilizing the data transfer. So,we are looking for a way to find - uploads and downloads per ip and port basis.We have mixed environment (Win2008/Ubuntu) so the tool should be able to work for both.I am not sure if MRTG provides per port(i.e. application) based analysis.
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Nov 22, 2008
I have a site that users upload files on. Its on a dedicated server with 2 HDDs and the first HDD is 97% full, is it possible to use the other HDD for the files users upload? if so how?
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Oct 27, 2009
I am trying to find a PCI compliant anti-virus that will scan uploads automatically for the debian lenny operating system. We are running the OS as a server with kernel 2.6.24 I am trying to avoid ClamAV as it is a pretty big system hog.
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Mar 3, 2011
I was playing with my debian server when something went totally wrong while i was editing something on my network interface,i removed those crap that i wrote and left the network interface configuration as it was
Like for example after re-editing my network interface,it was like :
As i did a network restart, i get this error saying :
There is already a pid file /var/run/dhclient.eth0.pid with pid 2802 killed old client process, removed PID file.
What is this error and how can i fix it,because every time im re booting my server i lost my network config.
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Oct 24, 2010
I'm planning to use Debian as the OS for a firewall machine, which will sit between my internet connection and the rest of my computers. Now my network is all wired, no wireless whatsoever. I'm using the onboard the motherboards cat5 socket which seems to be using the VIA rhine driver and I'm also using a 3com 100MBps card.
I can list the machine spec if you want but it's nothing special, an old Athlon 64 rig with 1gb ram and an OEM motherboard, it all seems to work ok apart from the internet doesn't' seem to work. Lenny seems to detect both cards ok and I even used the net install CD and it managed to download everything using the 3com card.
The strange thing is when I'm in Lenny, I can't seem to connect. I can ping google, but when I try and view a webpage, the browser just sits there with a while screen... Could it be that using 2 network cards is confusing Debian? Right now I've only got the modem hooked up the the 3com card, and nothing connected to the onboard network card.
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Feb 14, 2011
I have a new install of Debian Squeeze from debian-6.0.0-amd64-kde-CD-1.iso but I'm experiencing problems with the wireless internet applet in the taskbar.When the computer boots, it doesn't connect automatically eventhough I have it set as such. I have to fiddle with it until I get the request from KDE Wallet Manager to insert the password to complete the connection. I didn't have this behavior in Kubuntu.
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Jan 18, 2010
I'm opening up Network and it asks me for the root password. I enter it and the program comes up. I enter a static address for both eth0 and eth1.
I don't see a Save button. Eventually I get out of the configuration tool. The next time I run the tool, my static addresses have not been saved.
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Sep 14, 2010
I've illustrated it on this picture, and hope to get the help i need to set it up... [URL]Thow it has to be furture secured, in that meaning it has to be abel to attach a eth2 on the main server, so i have 3 NIC's.Also, i want to have fully controll over ports, IP/MAC's and data overview (Such as a view of the files beeing downloadet/uploadet).
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Apr 9, 2011
I installed testing on my netbook with cd1. and too my suprise it didn't even include something as important as network manager. all i want to do is connect to my wired internet, install network manager, then install my driver for card. if i can just get wired working i will be homefree. the directions for installing my wire3less driver look super simple.
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May 25, 2011
I have a computer home that I use a web server and I had Lenny in it for about a year and didn't experience any problems. Recently I needed to update to Squeeze just to be able and use part of my server for a game(which I couldn't compile on Lenny). I renamed every "lenny" word in the /etc/apt/sources.list with "squeeze" and ran dist-upgrade. Everything seemed fine(minor some "link not found" warnings). I also had some minor problems with the mysql configuration after the update but I managed to fix them all. Then I noticed that after some hours(not sure how many) I can suddenly not reach my computer via ssh. Neither can I visit my website(even from the local network). The computer doesn't appear either in the router's "attached devices" list. My other computers have no problems so it can't be a router issue.Pinging from the server to the outside world doesn't work. I tryied "sudo /etc/init.d/networking restart" and that didn't do anything. The only way to fix the problem is by rebooting but then again after some hours the problem is still there. Do you guys have any idea what the problem can be?
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Aug 4, 2015
I'm trying to install using windows 7 on a 2010 macbook pro. Firstly the network configuration won't work and secondly the cd rom can't be detected. I've rewritten the usb drive several times with no joy.
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Aug 11, 2011
Some problems keep bothering me and dont let me use my debian sqeeze with joy.Im in network with no DHCP on. When installing i didnt configure my eth network card.After each restart i need to configure manually my eth because it loses it.
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Jun 30, 2015
I have just installed Debian Weezy and for some reason it just does not see my router.1) is there a good network config script I can use?if not then what files must be edited to setup the network?When I attempt to ping the router, it does not see it. I have checked the cables etc.
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Aug 21, 2015
I installed a fresh Debian Desktop without the LAN cable connected. After that I got message when I put the cable in:
Code: Select allNetwork Interface
Connection New Wired Connection failed
I have tried to re-install everything once again with the cable in, but during the Debian installation there was no network detected.
However, I proceeded and re-installed Debian. But the problem persists. It continues to re-connect and than disconnect. There is a symbol showing re-connection. The network eth0 is visible to the machine.
I booted Mint Live disc and the same happens there.
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Oct 3, 2015
Debian Testing, updated daily, running Gnome.
A week ago, a new router was installed at the office and now my system "loses" the networks printers and forces me to manually select them within Cups various times a day to be able to print. The issue was not present when the old router was in place, and all my colleagues can print without problems using their Windows machines.
This only affects printing, for Simple Scan can always communicate with the printers without problems.
The printers are two basic Epson L355 (those with ink tanks) and the "official" driver (from Open Printing) has been working perfectly since I installed Debian. The whole Cups and Avahi stack is installed, and I even added system-config-printer this week to make sure that I was not missing a package.
Because the only variable that changed is the router, there has to be something there messing with my Cups or Avahi configuration.
Note that the new router had a "vanilla" installation, where no advanced settings were touched. All connected devices (computers, mobile phones, printers, etc.) are given new IP address through DHCP every day.
Where should I start? I have already deleted and added the printers within Cups several times during the week, and the problem persists. Is the router renewing the address more often than the old one did? Can this "refresh" be delayed? Should Avahi monitor devices more often?
I guess that I could configure the router and give static IP addresses to the printers, but such a setting was not present in the old router and my computer could locate the printers without problems.
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Nov 28, 2015
It seems that my network manager may be running in root mode...
For instance in network connections, edit and delete are greyed out. if i click add, i am unable to enter any details. if i run nm-connection-editor as root i am able to make changes.
How can i set it that the normal user can make changes? [managed is set to true in the conf file]
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Dec 16, 2015
When in Thundar (on XFCE - Debian 8.2) and I click the "Network" icon in the left sidebar the following message is displayed.
Failed to open "/ on". Specified location is not supported.
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Jan 27, 2016
My task is to create network namespace, so it can be used to perform some other tasks from it.
Debian 8.2 is used in VMWare virtual machine on windows 7. I have also tried same things with Raspbian on Raspberry Pi 2, but same problems appear.
First, i have followed tutorial https://lwn.net/Articles/580893/ to create pair of virtual ethernet interfaces.
Now i have veth0 in global namespace with ip address 10.1.1.2/24, and veth1 in netns1 namespace with ip address 10.1.1.1/24, and i was able to ping each one from another
Next, i have followed tutorial [URL] ..... to bridge eth0 and veth0, so i can access internet from netns1 namespace.
- First, i have deleted ip addresses for both eth0 and veth0
interfaces, and set them do DOWN state.
- New bridge is created (br0) and both interfaces (eth0 and veth0) are
added to it.
- Then both interfaces are set to UP state, and i run "dhclient br0" to
assign ip address to br0.
From global namespace now it is possible to run "ping google.com" (and br0 interface is used), but from netns1 namespace i get error "Network is unreachable".
$ ip addr show
Code: Select all  1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
      valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
      valid_lft forever preferred_lft forever
Â
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Mar 25, 2016
I am running Jessie 8.3 and wireless in Wicd has stopped working for me, displaying "No Wireless Networks Found."
Code: Select allsudo /etc/init.d/wicd restart Restarted wicd
Made sure wlan0 is in wicd preferences.
iwconfig:
Code: Select alleth0Â Â Â no wireless extensions.
wlan0   IEEE 802.11abg ESSID:"Tell My Wifi Love Her"Â
     Mode:Managed Access Point: Not-Associated  Tx-Power=200 dBm Â
     Retry short limit:7  RTS thr:off  Fragment thr:off
     Encryption key:off
     Power Management:off
    Â
lo    no wireless extensions.
For some reason my user account was removed from the netdev group? So I readded it...
Code: Select allekarr@fidelio:~$ sudo gpasswd -a ekarr netdev
Adding user ekarr to group netdev
[code]....
And still, "no wireless networks found" in Wicd.
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Mar 9, 2010
I have configured a RaLink wireless card to connecto to an 802.1x network. I connect by selecting the network, and the i give the credentials(username/password). How do i configure Debian to automatically connect to this network when a session begins?
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Mar 30, 2010
I had one of those random system deaths, so reinstalled squeeze (daily netinst image I think...) on my eee 1000, which uses an rt2860 wireless chip. The new install only installed 2.6.32, which I had been avoiding using because of a few problems, including it dealing with networking slightly differently. I couldn't get it to work - even without encryption - using wicd. Having had a read of [URL]... , I had a look at /etc/network/interfaces, which read; This file describes the network interfaces available on your system and how to activate them. For more information, see interfaces(5).
[code]...
ra0 is now called wlan0, as far as I'm aware. I've read in several places that it is best to expunge this file of all references to wifi, so I removed the bottom section (after '# The primary network interface'). I still got nothing. However, if I go ahead and change the 'ra0's to 'wlan0's, it seems to work - wicd connects. Not very familiar with Debian (spent more time on SUSE. Drop your tomatoes - I like it. Any idea what is happening? Is what I'm doing wrong? Conversely, is the file wrong? Should it be reported? Against which package? Including any particular files?
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Jun 16, 2010
I have a netgear wg111t that is running with ndiswrapper. It has an atheros chipset, but calling it ath0 didn't work.
Heres /etc/network/interface :
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface auto lo
iface lo inet loopback
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Jul 19, 2010
I moved to static Ip method for my laptop. I edited the interfaces file and it seems to work since I am writing this message from that laptop, but I have a new problem with my Debian. The mounts are not mounted during the startup anymore. Before I was using the network manager method and the nerwork mounts were all fine. Now with this method, they are not mounted and I need to mount them by firing "sudo mount -a" manually.
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Dec 24, 2010
Two nights ago I decided to switch from testing to unstable. Since then I am able to connect to the internet, but not to anything on my local network. I am unable to ping this computer from another one on the network. This computer is connected through wireless. I thought that something might have changed with iptables that was blockinghe localnetwork. I tried to "flush the iptables settings with "iptables -F". Since that didn't work I uninstalled iptables (which didn't work and I reinstalled iptables). In my browser I tried to connect to my router and that doesn't work either.I connect to this computer daily through ssh and connect to a NAS. Without ssh and my NAS I feel kinda lost
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Mar 22, 2011
My ethernet and pppoe internet connection worked flawlessly in lenny. I erased my hard drive and installed squeeze and now only internet works. (There is a pop-up that says that my wired connection is disconnected and shortly after there is another pop-up saying that my internet is connected.)1.my user is in the netdev group2./etc/network/interfaces only contains:
auto lo
iface lo inet loopback
3. /etc/NetworkManager/NetworkManager.conf only contains:
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Apr 5, 2011
I've installed Debian on a Sun Ultra 450 Enterprise system using the net install version, so I know that my network is working correctly. However, now that Debian is installed and I bring up Gnome, I have no network access. I've set eth0 to DHCP, and have pointed it to my DNS server, but it never gets any information from the DNS server.
I've looked through /etc/network/interfaces, which looks like this:
# This file describes the network interfaces available on your system and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface allow-hotplug eth0
#NetworkManager#iface eth0 inet dhcp
/etc/resolv.conf contains:
nameserver 192.168.0.1
which is correct.
I've run
/etc/init.d/networking stop
/etc/init.d/networking start
So far, nothing works. Why would the Debian network install disk work, but not be smart enough to set my network correctly from the start once I'm actually running Linux? Also, how do I get the network running in Gnome?
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Apr 9, 2011
I have two ethernet NIC's on my debian server. One built-in Realtek [eth0] (attached to internet), and a PCI Nvidia ethernet card [eth1] (attached to my Win7 netbook). I used this guide to setup the bridge: url. It worked when I was behind a router. But when I moved the computer in front of the router, to direct connect to the internet, the internet stopped functioning on any device that I plug into my Nvidia NIC. The name of my bridge is 'br0'. Does anyone know how to fix it, so I can route the internet to my second NIC?
My Win7 netbook displays this at an 'ipconfig' command:
Windows IP Configuration
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix:
Link-local IPv6 Address.....: fe80::143e:4cab:f802:8611%12
Autoconfiguration IPv4 Address..: 169.254.134.17
Subnet Mask.......:255.255.0.0
Default Gateway......:
My Debian interfaces file:
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo br0
iface lo inet loopback
# Set up interfaces manually, avoiding conflicts with, e.g., network manager
iface eth0 inet manual
iface eth1 inet manual
# Bridge setup
iface br0 inet dhcp
bridge_ports eth0 eth1
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Jun 20, 2011
My debian machine works fine other that it loses network after a few (12 or so) hours. The dhclient manages to renew the DHCP lease the first time, after a few hours, but later when it tries again the modem gives a DHCPNAK. If I understood correctly, this should make the dhclient to fetch a new ip address but it does nothing. I am no expert so I don't know if the cause is the modem box or the debian. There are other (windows) machines connected to the modem box which work fine. The machines are behind NAT.
The debian machine does not currently have a display or a graphics card so it's difficult to start messing with the settings. I've considered having a static ip but I don't understand why the dynamic address doesn't work. What is weird is that it worked fine for several weeks and suddenly started failing. I was running a minecraft server (hehe) with an uptime of several weeks. At first I though it was a hardware issue because I thought the whole computer froze but instead it just drops the connection and I can no longer reach it with SSH or anything.My timezone is UTC+3, /etc/default/rcS has UTC=yes, I believe it is the reason why the lease and the logs differ by three hours.The machine is only running apache2+mysql+php5, GDM is stopped.I'm trying to post as much info I can.Here is the ifconfig output when the connection is working for the wired connection:
eth0 Link encap:Ethernet HWaddr 00:25:22:2b:28:f6
inet addr:10.0.0.7 Bcast:10.0.0.255 Mask:255.255.255.0
inet6 addr: fe80::225:22ff:fe2b:28f6/64 Scope:Link
[code]....
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