Ubuntu :: Disable IPv6 In Lucid?

May 4, 2010

Okay so on WebUpd8 website, (url), I found a way to disable IPv6 and I was hoping to get a little more of an understanding of if I should or not from comments there, but unfortunately I haven't gotten enough to say let's do that. So I figured I might get a better understanding on here.

I am not very familiar with IPv6, but to my understanding its a newer thing that's rarely found currently with ISPs, but can be a security issue now.

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Ubuntu Security :: How To Disable IPv6 On 10.04

Aug 9, 2010

Anyone know how to disable IPv6 but still use IPv4?

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Networking :: Disable Ipv6 In Ubuntu 9.04?

Apr 2, 2009

I have tried to disable the ipv6 support in ubuntu 9.04 32bit but the /etc/modprobe.d/aliases does not exist so I can't disable the suport as sugested for the previews versions. I need to disable it becouse it is pounding a total maihem in my vamware machines.

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OpenSUSE :: How To Disable IPv6

Jan 9, 2011

I am experiencing very slow internet speed while downloading files from internet. Although torrent (KTorrent) download speeds are okay. I am using 'rekonq' Web Browser. Konqueror is slower than this and Firefox is the slowest. Thats why I have uninstalled Firefox from my Suse 11.3 KDE. I went through the guides mentioned here:

Disable IPv6 But the images shown here in the first post (by caf4926) [URL] have slightly different configuration from my computer. (My account does not allow me to post attachments). In the pic 2, Do we have to select the option: "User Controlled with NetworkManager" before unchecking the Enable IPv6 option.

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Networking :: Disable The Ipv6 Address Only?

Jul 28, 2009

I have a host and typing ifconfig I get:

eth0 Link encap:Ethernet HWaddr 00:0E:7F:4F:E4:09
inet addr:130.130.9.9 Bcast:130.130.255.255 Mask:255.255.0.0
inet6 addr: fe80::20e:7fff:fe4f:e409/64 Scope:Link

[code]...

and to do a test i want to disable or delete the ipv6 address, but mainteining the other configured parameters. Looking on the ifcfg config file I have

DEVICE=eth0
BOOTPROTO=static
BROADCAST=130.130.255.255

[code]....

and nothing about IPv6... Then, using ifdown-ipv6 could i remove only the ipv6 address?

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Ubuntu Networking :: Can Only Connect To Web With Ipv6 Disable In Firefox?

Jan 4, 2010

have had a problem with my ubuntu system recently in that it will only let me connect to the Internet through Firefox if I switch network.dns.disableIPv6 on. How do I do the equivalent in Ubuntu to enable me to use Ephiphany etc which are not working anymore

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Ubuntu Networking :: Disable IPv6 On Specific Interface?

May 26, 2011

When I run OpenVPN server - tap0 adapter, it breakes Teredo(Miredo) IPv6 address down. I dont need IPv6 on OpenVPN, so is there any way to disable IPv6 on tap0 completely?

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Debian Configuration :: Disable IPV6 In Lenny?

Sep 25, 2010

Howto disable IPV6 in Lenny?

I added this line:alias ipv6 off in /etc/modprobe.d/aliases:# cat /etc/modprobe.d/aliases

# These are the standard aliases for devices and kernel drivers.
# This file does not need to be modified.
#
# Please file a bug against module-init-tools if a package needs a entry
# in this file.

[Code]....

alias ipv6 offbut howto check after restart if ipv6 was loaded or not?

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OpenSUSE Network :: Disable IPv6 On All Connections?

Jun 18, 2010

does opensuse 11.2 come with IPv6 enabled by default? where in the gnome gui can i access these settings?

Edit-i went into the gnome network manager applet and i cant find any IPv6 settings for any of my used connections-ethernet, wireless and VPN connections all seem to only IPv4. Can anyone else confirm that opensuse 11.2 uses only IPv4 on its network connections?

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Slackware :: Disable And Enable Ipv6 Connectivity?

May 7, 2011

I just finished setting up my slack machine as a home server (printers & files) and I noticed that I have an IPv6 address (from ifconfig)... I didn't know I did. I used to work in tech support and when a windows or OSx machine didn't connect properly on a LAN, disabling IPV6 was a common troubleshooting step. Is there a way to easily turn inet6 connectivity off/on in Slackware? (I want to keep the ability to get an IPv6, we will all use those in the future)

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Ubuntu Networking :: Disable ICMP Router Discovery For IPv6?

Jan 14, 2010

I set up a static IPv6 address and a gateway in /etc/network/interfaces. However, a bad router in my network environment alway send wrong ICMP router discovery messages to me. So I have got extra (wrong) IPv6 address and gateway, and the routing is confused. On Windows Servers, I can use "netsh interface ipv6 set interface "Local Area Connection" routerdiscovery=disable" to disable ICMP router discovery. But I don't know how to disable it on Ubuntu 9.10. How could I disable ICMP router discovery for IPv6?

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CentOS 5 Server :: Re-compile Bind With --disable-ipv6?

Dec 31, 2010

I have installed bind with yum install bind bind-chroot.I am having query timeouts due to no ipv6 connectivity.Is there a way to re-compile and not loose the chroot structure?Or is there another way to disable ipv6 lookups?Example of issue resulting in ipv4 query timeout:

30-Dec-2010 17:52:03.226 client x.x.x.x#53593: view internal: query: paypal.com.cms.local IN A +
30-Dec-2010 17:52:03.227 client x.x.x.x#53594: view internal: query: paypal.com.cms.local IN AAAA +
30-Dec-2010 17:52:03.228 client x.x.x.x#53595: view internal: query: paypal.com IN A +

[code]....

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CentOS 5 Networking :: Disable IPv6 On Specific Interfaces?

Apr 10, 2011

Now that IPv6 is becoming more and more common, I found the need to disable IPv6 on some interfaces but have it enabled on other. I found that /proc/sys/net/ipv6/conf/*/disable_ipv6 does exactly that. I am now wondering if anybody knows, why are networking scripts so counterintuitive. /etc/sysconfig/network has an option:

NETWORKING_IPV6=yes

All this option does is disable some ipv6 services (dhcpv6...), it does not disable IPv6 in whole (as one would assume...that's why you had to disable it with module parameters). Searching for more IP6 related config option, one can find that /etc/sysconfig/network-scripts/ifcfg-* scripts can contain:

IPV6INIT=yes

Again, this option does not disable IPv6 protocol on the interface, it just skips running ifup-ipv6/ifdown-ipv6 scripts. I added a /sbin/ifup-pre-local. Now, this script runs before ethX entries are created (other scripts run when it's already too late) in /proc directory, so it modifies default values which are then used after those entries are created:

#!/bin/bash
#
[ -f "/etc/sysconfig/network-scripts/$1" ] && . /etc/sysconfig/network-scripts/$1

[code]...

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Debian :: Disable Ipv6 Protocol - Could Not Connect To Any Websites With Iceweasel Or Midori

Jun 15, 2010

When I go out of town I normally take my Acer Netbook to travel light. I ran into a problem over the weekend which I have seen before and couldn't find the cause. I used the wifi at the house I was staying at and could connect to the router via Wicd and ping outside IP addresses, however, I could not connect to any websites with Iceweasel or Midori. I receive the generic error that the browser is unable to connect. Now that I am back at my house I cannot repeat the problem, but have found a couple threads about disabling ipv6 protocol. The symptoms sound like a browser setting, but I couldn't find any settings that looked unusual.

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Slackware :: What Is The "proper" Way To Completely Disable IPv6

Mar 15, 2011

Is simply adding "alias net-pf-10 off" to modprobe.conf enough to keep IPv6 completely dead? Should I comment out the IPv6 loopback address in /etc/hosts or anything like that?

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Fedora Networking :: Ipv6 With Tunnel Broker - Better Client For Non Native Ipv6 Connectivity?

Jul 22, 2009

I used to play with gw6c ( a client for tunnel broker ) It works well with fedora9 , fedora 10, but not with leonidas. my rpm is gw6c-6.0-0.4.beta4.fc9.i386.rpm ( a little old!) when I tried to install i have got this: libcrypto.so.7 est ncessaire pou w6c-6.0-0.4.beta4.fc9.i386 I try to make a soft link to libcrypto.so.0.9.8k, but nothing; The question :-Is there a solution for that pb - did you know a better client for non native ipv6 connectivity?

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Fedora Networking :: FC15 IPV6 Wireless Router - No Longer Gets An IPv6 Address

Aug 31, 2011

I have been struggling to get FC15 to act as an IPv6 router for a while now, am sure I am missing something trivial.. The idea is that I have a ppp / adsl connection (this works fine), use the wireless card on my pc with hostapd and dhcpd to provide connections to other pcs (works fine), and radvd to delegate ipv6 addresses.

The issue seem to be that as soon as I turn on ipv6 forwarding (net.ipv6.conf.all.forwarding =1), the ppp connection no longer gets an IPv6 address. This means the router cannot ping any ipv6 address outside my network.

If I disable ipv6 routing, my router gets an IPv6 address on its ppp connection, and can ping things such as ipv6.google.com just fine, however (of course) no packets are forwarded from my network and radvd complains that forwarding is disabled.

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Ubuntu :: Disable GDM/Graphical Login In Lucid?

May 8, 2010

It used to be that this was a service that could just be disabled in System>Preferences>Startup Services, but this is no longer the case it seems. I've tried tinkering with the runlevels in gdm.conf, but haven't had any success with it so far. I've tried commenting out the startup code in the gdm.conf as well. Also no luck.

Most of what I've found are older guides for Karmic and earlier, so if anyone has a more up-to-date solution for how to disable the gdm so I can auto-login to a terminal in Lucid

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Ubuntu :: Disable Sound When Lucid Boots Into X?

May 12, 2010

I would like to disable the start up sound when Lucid boots up and enters X. I have already unticked:

System, Administration, Login Screen: [ ] Play Login Sound

Yet I still get the login sound.

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Ubuntu / Apple :: How To Disable Lucid Upgrade

May 22, 2010

I've just installed Kubuntu 9.10 on a friends powerbook g4 and it's running wonderfully. I don't want to upgrade to Lucid, I tried it and it ran not so good on this computer. How can I tell it to stop offering to upgrade to the next release? (I only want the automatic upgrade notification to appear for normal upgrades and not include Lucid, or have Lucid option to appear at all).

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Ubuntu :: How To Disable Touchpad In Lucid Lynx

Jun 13, 2010

I don't know how many has had this problem, but I understand I am not the only onehe problem is that after using synclient to disable the touchpad in 10.04 it would enable itself, seemingly, at random.Well, what I found was that unchecking the "Disable touchpad while typing" feature in "System->Preferences->Mouse->Touchpad" will fix the problem.Apparently the system does not recognize that the user has deliberately disabled the touchpad. And so it will reenable it when the user is "done typing".

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Ubuntu :: [Lucid] Disable Services In Upstart?

Jun 27, 2010

I recently discovered upstart is launching sshd on my machine even though I disabled it with `sudo update-rc.d -f ssh remove`. I tried to find a way to prevent upstart from launching ssh by default, but the best I can think of is removing /etc/init/ssh.conf (I just uninstalled openssh-server).I'd like to disable it without doing this, though. This would make it easier to enable sshd when I need it

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Ubuntu Servers :: Disable Ctrl-alt-del On Lucid Server?

May 11, 2010

I would like to disable the ctrl-alt-del feature for a Lucid Lynx server.
i found some info on how to enable this in desktop environments, however nothing explaining how to disable it for a server.

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Ubuntu :: Disable Frequent Disk Checks In Lucid?

May 11, 2010

Since upgrading (fresh install) to Lucid, I've been having to go through disk checks about once or twice a week on boot. I'm not sure why Lucid thinks it needs to check my disk so often. I looked into it a bit, and found a command that was supposed to stop disk checks happening so often.

Code: sudo tune2fs -i 2w `mount | awk '$3 == "/" {print $1}'` is supposed to set it to 2 weeks. I used "/home" too as I have home on a separate partition and didn't want that to be checked too. All was fine until I booted up to find another disk check today. It can sometimes take over half an hour to finish and C to cancel doesn't always work either.

I always shutdown cleanly, unless Ubuntu completely locks up, which happens maybe once every six months (although it did happen yesterday, but I have rebooted it a few times since then with no checks happening until just now). Is there a way to just disable checks completely? I wouldn't mind running them manually every now and then, I just don't want to do it as often as Lucid does.

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Ubuntu :: [Lucid-Lynx] Disable GNOME Autostart?

Jul 11, 2010

How can you disable GNOME autostart in lucid, so it can be started only when i need it?

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Ubuntu :: Lucid Canonical Method To Disable Services?

Jul 19, 2010

Until Karmic Koala I could enable/disable services at startup (such as ssh or mysql) by issuing a update-rc.d -f someservice remove. On reboot, it would no longer run, and I could re-enable if necessary by, for example, running a update-rc.d someservice default.

However, it seems that now in Lucid Lynx this no longer works. For example, if I do a nmap localhost I can see that the ports for the respective services are open, therefore I assume they are likely running (which an attempted access confirms). For example, if I do a /etc/init.d/ssh stop, the ssh service is respawned. I've found that service ssh stop or initctl stop ssh effectively stops the service (i.e. it is no longer "respawned" if "killed"). But so far I haven't found documentation that conclusively indicates how to disable the service start on (re)boot.

So I ask you, what is now the currently "canonical" or "standard" way to enable/disable these services (particularly ones such as ssh or mysql) from starting on boot on Ubuntu? I'd like to avoid having to remove the respective packages if possible (as some posts suggest), since in some occasions I'm interested in manually running those services -- therefore, having to install/uninstall packages is impractical.

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Ubuntu :: Disable Center Mouse Paste In Lucid?

Mar 29, 2010

Anyone know how to disable the shortcut to paste using center button in Lucid? This is really really frustrating for me.

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Ubuntu Multimedia :: Disable 3D (dri) In Lucid / Switch Off 3d Dri On Laptop To Save Power?

Jul 25, 2010

I want to switch off 3d i.e. dri on my laptop to save power. There is a bug in the intel video driver that makes it generate excess wakeups and thus increase power consumption. I don't use 3d so this is very annoying.

I have tried modifying /etc/X11/xorg.conf to insert an "NODRI" option in the "Device" section and have commented out both of the "load dri" commands in the "Modules" section. No go. When I look in the xorg log, these changes are seen but not acted on. The system appears to have hardwired defaults set somewhere which are difficult to override. It appears to be a new issue because with Karmic one still had control with xorg.conf.

Just generally I don't like changes like this because it is not documented on the wiki where and how to change the defaults in Lucid. Linux was supposed to be easily configurable so IMHO this is a step backwards.

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General :: Disable Blank Cd Autostart - Disable The Window And The Icon From The Desktop?

Jan 24, 2011

I have Ubuntu 10.04 with Gnome. Whenever I put in a blank CD/DVD an icon on the desktop appears named "Blank CD/DVD" and a window appears asking me what I want to do with it. How do I disable the window and the icon from the desktop?

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Ubuntu Installation :: How Stable Are The Lucid-proposed And Lucid-backports Options In The Software Sources Settings

Oct 11, 2010

Ubuntu 10.04 how stable are the lucid-proposed and lucid-backports options in the software sources settings?

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