[ale] Failover

SimonTek simontek at gmail.com
Tue Sep 28 14:34:21 EDT 2010 

I do! But I am in the mohave desert. Savannah to LAX in 60 hours

On 9/28/10, ale-request at ale.org <ale-request at ale.org> wrote:
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> Today's Topics:
>
>    1. Does anybody have experience with a load-balancing/failover
>       distro? (david w. millians)
>    2. Re: Does anybody have experience with a
>       load-balancing/failover distro? (Michael Trausch)
>    3. Re: Using LiveUSB for Fedora (Scott Castaline)
>    4. Re: Using LiveUSB for Fedora (Jim Kinney)
>    5. Re: OT-related-Re: Well isn't this special (Tom Freeman)
>    6. Re: Using LiveUSB for Fedora (Michael Trausch)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 28 Sep 2010 12:08:29 -0400
> From: "david w. millians" <millia at panix.com>
> Subject: [ale] Does anybody have experience with a
> 	load-balancing/failover	distro?
> To: "Atlanta Linux Enthusiasts - Yes! We run Linux!" <ale at ale.org>
> Message-ID: <4CA212FD.9030200 at panix.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
>
> I've got a district that is getting a second internet connection for
> redundancy purposes. They would therefore love to have a load balancing
> and failover appliance. Obviously, there are some vendors that have
> products to sell them, and also obviously, they cost money that they
> don't have.
>
> A fair number of districts have used "untangle" before, but it appears
> that they charge for the lb/f capability; it's not included in the free
> download. It may be cheaper for them since they don't need firewall,
> filtering, etc., but free is preferred, since even the box to do this is
> a factor...
>
> So, do you know of/have you used any linux distros that do this well and
> easily? I'm going to go to distrowatch now, but I just want to know of
> good experiences.
>
> Thanks,
> David
>
>
> ------------------------------
>
> Message: 2
> Date: Tue, 28 Sep 2010 12:35:43 -0400
> From: Michael Trausch <mike at trausch.us>
> Subject: Re: [ale] Does anybody have experience with a
> 	load-balancing/failover distro?
> To: "Atlanta Linux Enthusiasts - Yes! We run Linux!" <ale at ale.org>
> Message-ID:
> 	<AANLkTik1UvoSsKihvj5Z9z_xZLe=DMz7bbSzUXe6mh0m at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> You should be able to do this with any distribution.  You need only to have:
>   * Setup eth0 with the first connection
>   * Setup eth1 with the second connection
>   * Setup eth2 as the LAN's RFC1918 space and have it answer DHCP and
> do all the "normal" things.
>
> Now, write your iptables rules for Internet-through-eth0 and create a
> modified copy of that for Internet-through-eth1.
>
> Now, keep a file, say, /var/run/active-connection, that has the name
> of the currently active connection in it (either eth0 or eth1).
>
> Have a cron job that, once per minute, pings the gateway address for
> whatever interface is listed in /var/run/active-connection.  If it is
> down, then reconfigure the routing table and IP masquerading for the
> second connection, mark the change in /var/run/active-connection, and
> go from there.
>
> I'd leverage /etc/network/interfaces on Debian and derivatives.  All
> you need to do is hook into that so that "ifdown eth0" and "ifup eth1"
> are all you need, and you should probably have it setup so that you
> cannot "ifup" on both interfaces at the same time, unless you have a
> static IP address from both ISPs.
>
> I haven't gotten around to it yet, but what I would like to do is
> create a little embedded doohickey that will do just this, with three
> Ethernet ports (two in, one out) and a USB port for configuration
> (serial ports don't exist on modern systems anymore, so might as well
> just use a USB port and make it act like a serial port...).  And the
> default configuration of the device would just be for a standard
> network with two standard DHCP-providing ISPs, such that a "completely
> standard" setup would Just Work.  Me being me, I'll probably (when I
> get to it) even have the thing create an IPv6 tunnel and advertise
> IPv6 connectivity, because I just can't see the point of not doing so.
>  :-)
>
>    --- Mike
>
> On Tue, Sep 28, 2010 at 12:08 PM, david w. millians <millia at panix.com>
> wrote:
>>
>> I've got a district that is getting a second internet connection for
>> redundancy purposes. They would therefore love to have a load balancing
>> and failover appliance. Obviously, there are some vendors that have
>> products to sell them, and also obviously, they cost money that they
>> don't have.
>>
>> A fair number of districts have used "untangle" before, but it appears
>> that they charge for the lb/f capability; it's not included in the free
>> download. It may be cheaper for them since they don't need firewall,
>> filtering, etc., but free is preferred, since even the box to do this is
>> a factor...
>>
>> So, do you know of/have you used any linux distros that do this well and
>> easily? I'm going to go to distrowatch now, but I just want to know of
>> good experiences.
>>
>> Thanks,
>> David
>> _______________________________________________
>> Ale mailing list
>> Ale at ale.org
>> http://mail.ale.org/mailman/listinfo/ale
>> See JOBS, ANNOUNCE and SCHOOLS lists at
>> http://mail.ale.org/mailman/listinfo
>>
>
>
> ------------------------------
>
> Message: 3
> Date: Tue, 28 Sep 2010 13:55:49 -0400
> From: Scott Castaline <skotchman at gmail.com>
> Subject: Re: [ale] Using LiveUSB for Fedora
> To: "Atlanta Linux Enthusiasts - Yes! We run Linux!" <ale at ale.org>
> Message-ID: <4CA22C25.90105 at gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
>   On 09/28/2010 11:18 AM, Chuck Payne wrote:
>> On Tue, Sep 28, 2010 at 10:45 AM, Scott Castaline<skotchman at gmail.com>
>> wrote:
>>>   Looking for advice on utilizing a LiveUSB Flash Drive. I'll be going
>>> to Fla. for several weeks and want to be able to use Fedora on a Windows
>>> PC without actually installing it on the hard drive. I want to know the
>>> following:
>>>
>>> 1. Recommended sizes of flash drive
>>> 2. Will I be able to install additional software onto the drive?
>>> 3. Can I change the LiveUser to another user?
>>> 4. Can I copy files from my home system onto the LiveUSB?
>>> 5. How changeable is the system once booted?
>>>
>>> I have installed Fedora 13 Live using liveusb-create onto a 2GB Flash
>>> Drive and attempted to install GnuCash. It came up with a large list of
>>> dependencies that needed to be also installed and then appeared to do
>>> nothing, so I'm not sure if maybe the 2GB is not enough room or it just
>>> can't do it. Any assistance would be appreciated. Also I plan on using
>>> Fedora 13 x86_32 as I'm not sure what the system specs are that I'll be
>>> using.
>>> _______________________________________________
>>> Ale mailing list
>>> Ale at ale.org
>>> http://mail.ale.org/mailman/listinfo/ale
>>> See JOBS, ANNOUNCE and SCHOOLS lists at
>>> http://mail.ale.org/mailman/listinfo
>>>
>> I would commend 8 Gig to 16 Gig flash drive. I used SUSE studio to
>> create me a nice portable Gnome desktop. I know that Fedora recommends
>> 1gig, but if you are going to use it a lot have a bit of space to grow
>> on...
>>
>> http://www.linux.com/learn/tutorials/362829-weekend-project-create-a-live-usb-key-linux-distribution
>> https://fedorahosted.org/liveusb-creator/
>>
>> You might have these two links, but I have included them just to help.
>>
> Had the 2nd but not the first. I had even tried using UNetbootin, but it
> seemed that no matter which menu option I used, it seemed to be trying
> to install itself onto my hard drives.  As far as the size of flash goes
> I was leaning towards 16GB, but wanted to hear from other people on the
> list if that would be considered overkill or still not enough.
>
>
> ------------------------------
>
> Message: 4
> Date: Tue, 28 Sep 2010 14:20:27 -0400
> From: Jim Kinney <jim.kinney at gmail.com>
> Subject: Re: [ale] Using LiveUSB for Fedora
> To: "Atlanta Linux Enthusiasts - Yes! We run Linux!" <ale at ale.org>
> Message-ID:
> 	<AANLkTimn1Gs2kNc-m_4xbY9TbuemgdyY_dketGA+ub0o at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> get the 32GB. There's no such thing as "too much storage space".
>
> (a 4GB is plenty unless you just need an excuse to got to MicroCenter).
>
> On Tue, Sep 28, 2010 at 1:55 PM, Scott Castaline <skotchman at gmail.com>wrote:
>
>>  On 09/28/2010 11:18 AM, Chuck Payne wrote:
>> > On Tue, Sep 28, 2010 at 10:45 AM, Scott Castaline<skotchman at gmail.com>
>>  wrote:
>> >>   Looking for advice on utilizing a LiveUSB Flash Drive. I'll be going
>> >> to Fla. for several weeks and want to be able to use Fedora on a
>> >> Windows
>> >> PC without actually installing it on the hard drive. I want to know the
>> >> following:
>> >>
>> >> 1. Recommended sizes of flash drive
>> >> 2. Will I be able to install additional software onto the drive?
>> >> 3. Can I change the LiveUser to another user?
>> >> 4. Can I copy files from my home system onto the LiveUSB?
>> >> 5. How changeable is the system once booted?
>> >>
>> >> I have installed Fedora 13 Live using liveusb-create onto a 2GB Flash
>> >> Drive and attempted to install GnuCash. It came up with a large list of
>> >> dependencies that needed to be also installed and then appeared to do
>> >> nothing, so I'm not sure if maybe the 2GB is not enough room or it just
>> >> can't do it. Any assistance would be appreciated. Also I plan on using
>> >> Fedora 13 x86_32 as I'm not sure what the system specs are that I'll be
>> >> using.
>> >> _______________________________________________
>> >> Ale mailing list
>> >> Ale at ale.org
>> >> http://mail.ale.org/mailman/listinfo/ale
>> >> See JOBS, ANNOUNCE and SCHOOLS lists at
>> >> http://mail.ale.org/mailman/listinfo
>> >>
>> > I would commend 8 Gig to 16 Gig flash drive. I used SUSE studio to
>> > create me a nice portable Gnome desktop. I know that Fedora recommends
>> > 1gig, but if you are going to use it a lot have a bit of space to grow
>> > on...
>> >
>> >
>> http://www.linux.com/learn/tutorials/362829-weekend-project-create-a-live-usb-key-linux-distribution
>> > https://fedorahosted.org/liveusb-creator/
>> >
>> > You might have these two links, but I have included them just to help.
>> >
>> Had the 2nd but not the first. I had even tried using UNetbootin, but it
>> seemed that no matter which menu option I used, it seemed to be trying
>> to install itself onto my hard drives.  As far as the size of flash goes
>> I was leaning towards 16GB, but wanted to hear from other people on the
>> list if that would be considered overkill or still not enough.
>> _______________________________________________
>> Ale mailing list
>> Ale at ale.org
>> http://mail.ale.org/mailman/listinfo/ale
>> See JOBS, ANNOUNCE and SCHOOLS lists at
>> http://mail.ale.org/mailman/listinfo
>>
>
>
>
> --
> --
> James P. Kinney III
> I would rather stumble along in freedom than walk effortlessly in chains.
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> ------------------------------
>
> Message: 5
> Date: Tue, 28 Sep 2010 14:23:22 -0400 (EDT)
> From: Tom Freeman <tfreeman at intel.digichem.net>
> Subject: Re: [ale] OT-related-Re: Well isn't this special
> To: Atlanta Linux Enthusiasts - Yes! We run Linux! <ale at ale.org>
> Message-ID: <alpine.LFD.2.00.1009281421460.7192 at digichem.net.net>
> Content-Type: text/plain; charset="utf-8"
>
> Which doesn't change the fact that the current administration
> will fail to slap down the totalitarian behind this little
> embarrisment.
>
> On Tue, 28 Sep 2010, Jim Kinney wrote:
>
>>
>>
>> On Tue, Sep 28, 2010 at 10:01 AM, Preston Boyington
>> <preston.lists at gmail.com> wrote:
>>
>>
>>       this "transparency administration" is pretty
>>       interesting...
>>
>>
>> Actually this has nothing to do with any particular
>> administration.? Every administration has people in the departments
>> that want this kind of power that will try and make it happen no
>> matter who is in office.
>>
>> --
>> --
>> James P. Kinney III
>> I would rather stumble along in freedom than walk effortlessly in
>> chains.
>>
>>
>>
>>
>
> ------------------------------
>
> Message: 6
> Date: Tue, 28 Sep 2010 14:22:04 -0400
> From: Michael Trausch <mike at trausch.us>
> Subject: Re: [ale] Using LiveUSB for Fedora
> To: "Atlanta Linux Enthusiasts - Yes! We run Linux!" <ale at ale.org>
> Message-ID:
> 	<AANLkTimeUdxP1nvOM=H2wODzMzkWcnD9DiUdxU28Gww2 at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> I would *highly* recommend the Lacie Iamakey drive, it is made to last and
> actually won't break off of a keychain. It is the only drive I have had on
> my keychain that has lasted more than two weeks.  I have had mine for almost
> a year.
>
> I have the 4 GB version, but they offer them up to 32GB if memory serves me.
> For a live system I would go at least 8 GB, 1 partition, with a swap file
> instead of a swap partition.
>
> --
> Sent from my HTC Dream---Running Froyo!
> Thanks, @cyanogen!
>
> On Sep 28, 2010 1:56 PM, "Scott Castaline" <skotchman at gmail.com> wrote:
>> On 09/28/2010 11:18 AM, Chuck Payne wrote:
>>> On Tue, Sep 28, 2010 at 10:45 AM, Scott Castaline<skotchman at gmail.com>
> wrote:
>>>> Looking for advice on utilizing a LiveUSB Flash Drive. I'll be going
>>>> to Fla. for several weeks and want to be able to use Fedora on a Windows
>>>> PC without actually installing it on the hard drive. I want to know the
>>>> following:
>>>>
>>>> 1. Recommended sizes of flash drive
>>>> 2. Will I be able to install additional software onto the drive?
>>>> 3. Can I change the LiveUser to another user?
>>>> 4. Can I copy files from my home system onto the LiveUSB?
>>>> 5. How changeable is the system once booted?
>>>>
>>>> I have installed Fedora 13 Live using liveusb-create onto a 2GB Flash
>>>> Drive and attempted to install GnuCash. It came up with a large list of
>>>> dependencies that needed to be also installed and then appeared to do
>>>> nothing, so I'm not sure if maybe the 2GB is not enough room or it just
>>>> can't do it. Any assistance would be appreciated. Also I plan on using
>>>> Fedora 13 x86_32 as I'm not sure what the system specs are that I'll be
>>>> using.
>>>> _______________________________________________
>>>> Ale mailing list
>>>> Ale at ale.org
>>>> http://mail.ale.org/mailman/listinfo/ale
>>>> See JOBS, ANNOUNCE and SCHOOLS lists at
>>>> http://mail.ale.org/mailman/listinfo
>>>>
>>> I would commend 8 Gig to 16 Gig flash drive. I used SUSE studio to
>>> create me a nice portable Gnome desktop. I know that Fedora recommends
>>> 1gig, but if you are going to use it a lot have a bit of space to grow
>>> on...
>>>
>>>
> http://www.linux.com/learn/tutorials/362829-weekend-project-create-a-live-usb-key-linux-distribution
>>> https://fedorahosted.org/liveusb-creator/
>>>
>>> You might have these two links, but I have included them just to help.
>>>
>> Had the 2nd but not the first. I had even tried using UNetbootin, but it
>> seemed that no matter which menu option I used, it seemed to be trying
>> to install itself onto my hard drives. As far as the size of flash goes
>> I was leaning towards 16GB, but wanted to hear from other people on the
>> list if that would be considered overkill or still not enough.
>> _______________________________________________
>> Ale mailing list
>> Ale at ale.org
>> http://mail.ale.org/mailman/listinfo/ale
>> See JOBS, ANNOUNCE and SCHOOLS lists at
>> http://mail.ale.org/mailman/listinfo
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>
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>
>
> End of Ale Digest, Vol 32, Issue 119
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>

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