32bit vs 64bit Linux

Sat Jun 1 13:18:41 MST 2013

Thats some good reading. This week has been a great week. They just added
my router to ddwrt. Ubuntu touch just got built for my phone... And i might
be able to get away with a Linux work environment...

On Saturday, June 1, 2013, Lisa Kachold wrote:

> Stephen,
>
> On Fri, May 31, 2013 at 8:07 PM, Stephen <cryptworks at gmail.com<javascript:_e({}, 'cvml', 'cryptworks at gmail.com');>
> > wrote:
>
>> How well does it play with Cisco as an alternative to the anyconnect
>> application?
>>
> You don't *have* to use the Cisco provided client (as you already well
> know) there's VPNC as well, which works *very* well under linux, and is
> insanely easy to build, configure and run.
>
> Generally, OpenVPN is a SSL VPN and Cisco uses IPSEC, but that doesn't
> mean it's not possible.  Most all of Cisco's newer VPN offerings support
> SSL VPN.
>
> Do you have a specific Cisco VPN device in mind? Or do you mean any Cisco
> VPN device?
>
> If you mean a VPN 3000 concentrator, I would say no.
> If you mean an ASA device, I would say yes.
> If you mean a IOS device, I would say maybe. (Depending on version and a
> good deal of tinkering)
> If you mean a PIX device, I would say maybe. (Depending on version and a
> good deal of banging head against wall)
>
> *Technically "it's not supported".   But the "not supported" tag
> (primarily used to reduce costs of large businesses trying to train their
> non-technical customers to use anything more complex than an off/on button)
> is clearly not any limitation for linux people? *
>
> Just go with a Cisco compatible client!
>
> OpenConnect is still a very good product, and I would choose it over
> Cisco's client any day!
> http://www.infradead.org/openconnect/
>
> Also, you can allow OpenVPN through the cisco firewall and run both IPSEC
> and SSL VPN, by getting a nice OpenVPNAS Virtual Appliance, you will be up
> and running in 1/2 hour, plus your users can go right to the VPN server and
> authenticate and download their clients without any big fuss.  Just because
> you have a Cisco VPN available, doesn't mean you must use that IPSEC
> virtual private tunnel exclusively.  Once you allow SSL VPN, you can use a
> quick setup OpenVPN AS Server:
>
> Here's what the OpenVPN Access Server looks like:
> https://12.159.65.84/?src=connect  PLUG HackFest VPN services for Labs in
> the DeVry Rack at OneNeck Hosting.
>
> Reference:  http://www.unix-ag.uni-kl.de/~massar/vpnc/
> Installation Reference vpnc Ubuntu:
> http://www.ed.ac.uk/schools-departments/information-services/services/computing/desktop-personal/vpn/vpn-cisco-client/vpn-cisco-ubuntu
> Cisco VPN FAQ:
> http://www.cisco.com/en/US/products/sw/secursw/ps2308/products_qanda_item09186a00801c2dbe.shtml
>
> Examples of 64bit OS Cisco client issues:
> http://micro.stanford.edu/wiki/How_to_install_and_configure_the_Cisco_VPN_client_on_a_Linux_computer#64-bit_operating_system_errors
>
>
>> On May 31, 2013 5:23 PM, "Lisa Kachold" <lisakachold at obnosis.com<javascript:_e({}, 'cvml', 'lisakachold at obnosis.com');>>
>> wrote:
>>
>>> Stephen,
>>>
>>> On Fri, May 31, 2013 at 2:11 PM, Stephen Rufle <stephen.p.rufle at cox.net<javascript:_e({}, 'cvml', 'stephen.p.rufle at cox.net');>
>>> > wrote:
>>>
>>>>  My only compatibly issue was getting the VPN tunnel that my job uses
>>>> to work in 64 bit.
>>>> Juniper network-connect software on Ubuntu not sure what version, but
>>>> it was around 2011. My advice is to do a 64 bit install and then do a tests
>>>> with your personal list of high priority software.
>>>>
>>>
>>> OpenVPN works wonderfully with Juniper VPN's; completely supplanting the
>>> Network-Connect application.
>>>
>>> http://vpnthebestvpn.com/vpn1/juniper-vpn-64-bit.html
>>>
>>>>
>>>>
>>>> On 5/31/13 9:28 AM, keith smith wrote:
>>>>
>>>>
>>>> Hi,
>>>>
>>>> Even though I have 64bit hardware I always install the 32bit version of
>>>> Linux.  I do so because of the past discussions on this list that made me
>>>> believe the 32bit OS was better because 64bit caching is actually slower
>>>> due to the requirement that the cache be filled to a certain point before
>>>> it is moved.  I think I recall something about the amount of RAM having
>>>> some effect here also.
>>>>
>>>> Using a 32bit version over a 64bit version seems counter intuitive,
>>>> however that is what I have taken away from these conversations about 32bit
>>>> vs 64bit Linux.
>>>>
>>>> I'm using CentOS 6.x on a LAMP server that gets a low amount of
>>>> traffic.   However I may make the jump to Linux on my desktop this summer.
>>>> (this will be my 3rd attempt to become M$ free except one VM so I can use
>>>> IE for testing) I think all of my hardware is 64bit.
>>>>
>>>> So that begs the question, is 32bit better than 64bit or do I not
>>>> understand the issue?
>>>>
>>>> Thank you for your feedback.
>>>>
>>>> Keith
>>>>
>>>> ------------------------
>>>> Keith Smith
>>>>
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>>>
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-- 
A mouse trap, placed on top of your alarm clock, will prevent you from
rolling over and going back to sleep after you hit the snooze button.

Stephen
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