[ale] Ale Digest, Vol 37, Issue 103

Tue Feb 15 12:57:19 EST 2011

I will be at scale 9x. Currently in LA for a contract.

On 2/15/11, ale-request at ale.org <ale-request at ale.org> wrote:
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> Today's Topics:
>
>    1. Re: SCALE (Drifter)
>    2. Re: SCALE (Chuck Payne)
>    3. Re: IPv6 Subnetting (Michael H. Warfield)
>    4. Re: veteran unix admin (Brian Stanaland)
>    5. Re: SUSE package manager and install empathy (Damon L. Chesser)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 15 Feb 2011 12:03:25 -0500
> From: Drifter <drifter at oppositelock.org>
> Subject: Re: [ale] SCALE
> To: Atlanta Linux Enthusiasts <ale at ale.org>
> Message-ID: <201102151203.25798.drifter at oppositelock.org>
> Content-Type: text/plain; charset="iso-8859-1"
>
>
> Southern
> CaliforniA
> Linux
> Expo
>
> sean
>
>
> ----------------------------------------------------------------------
>
> On Tuesday, February 15, 2011 11:33:08 am arxaaron wrote:
>> On 2011/02/14, at 17:17 , Chuck Payne wrote:
>> > If anyone is going. Please come by the openSUSE Booth at S.C.A.L.E. I
>> > love to see anyone from the ALE Group.
>> >
>> > Chuck
>>
>> Where when this "SCALE" you speak of?
>>
>> peace
>> aaron
>>
>> [Heh Chuck:  Note the removal of any redundant
>> notices and automated tags at the end of the
>> original message. :-) ]
>> _______________________________________________
>> 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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> ------------------------------
>
> Message: 2
> Date: Tue, 15 Feb 2011 12:10:18 -0500
> From: Chuck Payne <terrorpup at gmail.com>
> Subject: Re: [ale] SCALE
> To: arxaaron <arxaaron at gmail.com>
> Cc: Atlanta Linux Enthusiasts <ale at ale.org>
> Message-ID:
> 	<AANLkTikQ2+GvWxOxqCt2C9=KmW7MKMFzmjMtOLqAEkSA at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> On Tue, Feb 15, 2011 at 11:33 AM, arxaaron <arxaaron at gmail.com> wrote:
>> On 2011/02/14, at 17:17 , Chuck Payne wrote:
>>>
>>> If anyone is going. Please come by the openSUSE Booth at S.C.A.L.E. I
>>> love to see anyone from the ALE Group.
>>>
>>> Chuck
>>
>> Where when this "SCALE" you speak of?
>>
>> peace
>> aaron
>>
>> [Heh Chuck: ?Note the removal of any redundant
>> notices and automated tags at the end of the
>> original message. :-) ]
>>
>
> Southern Calfi Area Linux Expo
>
> http://www.socallinuxexpo.org/scale9x/special-events/opensuse-labs
>
> I will be there with 11 other openSUSE members. I hosting the openSUSE Day
>
>
> --
> -----------------------------------------
> Discover it! Enjoy it! Share it! openSUSE Linux.
> -----------------------------------------
> openSUSE -- en.opensuse.org/User:Terrorpup
> openSUSE Ambassador/openSUSE Member
> skype,twiiter,identica,friendfeed -- terrorpup
> freenode(irc) --terrorpup/lupinstein
> Register Linux Userid: 155363
>
> Have you tried SUSE Studio? Need to create a Live CD,? an app you want
> to package and distribute , or create your own linux distro. Give SUSE
> Studio a try. www.susestudio.com.
>
>
>
> ------------------------------
>
> Message: 3
> Date: Tue, 15 Feb 2011 12:14:51 -0500
> From: "Michael H. Warfield" <mhw at WittsEnd.com>
> Subject: Re: [ale] IPv6 Subnetting
> To: Atlanta Linux Enthusiasts <ale at ale.org>
> Cc: mhw at WittsEnd.com
> Message-ID: <1297790091.6390.475.camel at canyon.wittsend.com>
> Content-Type: text/plain; charset="utf-8"
>
> On Tue, 2011-02-15 at 00:16 -0500, Michael B. Trausch wrote:
>> On Mon, 2011-02-14 at 21:28 -0500, David Tomaschik wrote:
>> > I'm no networking expert, so I hope I'm missing something here.
>> >
>> > According to RFC 4291, all interface IDs for unicast addresses will be
>> > 64 bits in length.  It's also widely believed that most residential
>> > ISPs will hand out a /64 on a per-client basis.  Because IPv6 does not
>> > have the concept of NAT, it seems that this forces all of the
>> > computers on that connection to be on a single subnet.
>
>> More or less.  Though it isn't exactly as black-and-white as all that.
>> There are options (albeit non-standard). It is (technically) possible to
>> do things that are slightly more complicated, at the expense of not
>> being able to use stateless autoconfiguration).
>
> Don't go there if you can avoid it.  We want to avoid IPv4 mind think
> here.
>
> If you need more than one subnet, you're suppose to get a larger
> allocation and the ISP should make one available.
>
> Per the standards...
>
> If you need 1 subnet you get a /64.  If you need more than one subnet,
> you should get a /48 but some ISPs such as freenet6 may break that down
> further and hand you a /56 which is still 256 subnets.  Yes, most ISPs
> should be handing you a /64 as a default.  That is per the standard if
> that's all you need and that will be the case with most residential
> customers.  If you need more, they should allocate you more or they are
> in violation of the standards.
>
> Mike
>
>> > This is rather disappointing to me, as in the past I have run 3 NAT
>> > subnets off a single NAT router/firewall.  I've used one as my
>> > "regular" LAN (workstations, one wifi SSID), a "guest" LAN (another
>> > SSID with a different key for my guests) and a lab network (for
>> > testing things I'd rather keep separate).  It seems to me that under
>> > IPv6 this addressing scheme will be impossible unless I can convince
>> > my ISP to hand out a /56.  (Or, I suppose, multiple /64s and have
>> > multiple (virtual) interfaces on the router.)
>
> That's no different than them handing out one IPv4 address now.  You
> should be able to request more and they should provide them to you on
> request but you will have to request it.  Some ISPs will give you
> multiple IPv4 addresses on request (and payment) but it won't be the
> default case in either case.  They'll have a lot more IPv6 space to hand
> out that they ever dreamed of with v4.
>
>> It is possible to subnet further than /64, at least as I understand it.
>> So, let's say you've got a /64 prefix 2001:db8:49a1:39be::/64.
>
> Don't do it.  Anything less that a /64 is suppose to be for special
> purposes (peering and routing) and point to point links, NOT for
> subnetting.
>
> Mike
>
>> Now, you want three subnetworks from that.  You will need a router at
>> your network's edge (a true router; not a NAT).  And of course, if you
>> desire firewalling, you'll want that at the edge of your network.  The
>> router is likely then to be connected to all three subnetworks, and to
>> the Internet.  (At least, that's how I would likely do it, unless you
>> have a device like a WRT54G that will perform routing, but you'll need
>> to configure that specially for that purpose).
>>
>> Now, then, you can subnet two ways: take a nybble for the subnetwork, or
>> take a byte.  If you have 3 subnets, and you don't think you'll ever go
>> above 16 subnets, take a nibble.  That means your prefix that you'll
>> actually use will be one of sixteen different /68 subnetworks inside
>> your /64.  (For that matter, you can take just two bits, and have
>> exactly three subnetworks.  Up to you---but either way, you break
>> stateless autoconf, so might as well do four or eight bits and move on.)
>> If you take a nybble, then you will have the following subnetworks
>> available to use:
>>
>>     2001:db8:49a1:39be:0000::/68    2001:db8:49a1:39be:8000::/68
>>     2001:db8:49a1:39be:1000::/68    2001:db8:49a1:39be:9000::/68
>>     2001:db8:49a1:39be:2000::/68    2001:db8:49a1:39be:a000::/68
>>     2001:db8:49a1:39be:3000::/68    2001:db8:49a1:39be:b000::/68
>>     2001:db8:49a1:39be:4000::/68    2001:db8:49a1:39be:c000::/68
>>     2001:db8:49a1:39be:5000::/68    2001:db8:49a1:39be:d000::/68
>>     2001:db8:49a1:39be:6000::/68    2001:db8:49a1:39be:e000::/68
>>     2001:db8:49a1:39be:7000::/68    2001:db8:49a1:39be:f000::/68
>>
>> The three zeros you see in each address there is, of course, part of the
>> host section, since each hex digit maps exactly to one nybble.
>>
>> If you use a /72 then you would have 256 subnetworks.  Either way, you
>> need to use static addresses, stateless algorithmic address generation
>> (e.g., custom software to create shorter addresses in a stateless
>> manner), or DHCPv6.
>>
>> Your nodes will still make their link-local addresses the same way.  And
>> as far as your ISP is concerned, you're using your /64.  The details of
>> your routing behind that /64 do not matter to them: your address space
>> is perfectly opaque as far as they're concerned.
>>
>> You could actually, if you really wanted to, make subnetwork prefixes as
>> long as /112 or /120 or /126 if you wanted really small networks.  I
>> mean, crap.  You've got 64 bits of network space to carve up and do with
>> what you wish.  :-)
>>
>> Now, that said, here is a BIG DISCLAIMER:  I have never *actually*
>> performed this.  I believe that Linux allows it; based on my
>> understanding, any standards-compliant operating system should.  YMMV.
>>
>> 	--- Mike
>> _______________________________________________
>> 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
>
> --
> Michael H. Warfield (AI4NB) | (770) 985-6132 |  mhw at WittsEnd.com
>    /\/\|=mhw=|\/\/          | (678) 463-0932 |  http://www.wittsend.com/mhw/
>    NIC whois: MHW9          | An optimist believes we live in the best of
> all
>  PGP Key: 0x674627FF        | possible worlds.  A pessimist is sure of it!
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> ------------------------------
>
> Message: 4
> Date: Tue, 15 Feb 2011 12:20:40 -0500
> From: Brian Stanaland <brian at stanaland.org>
> Subject: Re: [ale] veteran unix admin
> To: Atlanta Linux Enthusiasts <ale at ale.org>
> Message-ID:
> 	<AANLkTi=C1Pgn=LVnGbEGZ4TMq=9THF5c8jhQukP6pbx1 at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> I issue "sudo -s" as soon as I log in to a server. I don't know the
> root password for any of our servers. It's written down somewhere but
> no one needs it.
>
> --Brian S.
>
> On Tue, Feb 15, 2011 at 11:34 AM, Jerald Sheets <questy at gmail.com> wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
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>>
>> On Feb 15, 2011, at 11:20 AM, Jim Kinney wrote:
>>
>>> Um. yeah. Like the poster "Peters Laws of the Sociopathic
>>> Obsessive-Compulsive" I'm afraid to ever let a shrink see this list as
>>> well.
>>>
>>
>>
>> I saw that article, Jim. ?The guy lost all credibility on point #1 alone.
>> ?In a corporate, audited, governing-body certified environment, you should
>> NEVER not use sudo. ?(with full logging).
>>
>> I have been in environments where we had to go look up the root pw when a
>> vendor product refused to honor sudo, but aside from that, 97+ % of what
>> you do can (and should) be managed via sudo. ?Anything else is pure
>> laziness.
>>
>> If you don't impose those guidelines on yourself, SAS70, ITIL, ISO, or
>> some other body will.
>>
>> #!/jerald
>> Linux User #183003
>> Ubuntu User #32648
>> Public GPG Key: ?http://questy.org/js.asc
>>
>> - -----BEGIN GEEK CODE BLOCK-----
>> Version: 3.1
>> GIT/MU d-@ s++(++)>+++:> a+ C++++(+++)$>++ UBLAVHSC++(on)$>++++
>> P++(+++)$>++++ L++(++++)$>+++ !E---(---)>--- W+(++)$>+++ N(+)$>++ !o !K--
>> w(--)>--- O()@> M++(++)$>++ V()>- PS+++()@>-- PE(++)@>+ Y+(+)@>+
>> PGP++(++)$>+++ t+(++)@>+++ 5(+)@>+ X+(++)@>+++ R+(+)@>++ tv-(+)$>++
>> b+++(++)$>++ DI++++(++)>+++ D++(++)@>++ G++(++)@>++ e++(++)$>++ h(-)$>-
>> r+++(+++)@>+++ y+(+++)>++++@
>> - ------END GEEK CODE BLOCK------
>>
>>
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>>
>> _______________________________________________
>> 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: 5
> Date: Tue, 15 Feb 2011 12:35:56 -0500
> From: "Damon L. Chesser" <damon at damtek.com>
> Subject: Re: [ale] SUSE package manager and install empathy
> To: Atlanta Linux Enthusiasts <ale at ale.org>
> Message-ID: <1297791356.1580.105.camel at dam-main>
> Content-Type: text/plain; charset="UTF-8"
>
> On Tue, 2011-02-15 at 08:49 -0500, Lightner, Jeff wrote:
>> Not that it matters but I also prefer rpm/yum over the deb stuff.  I agree
>> that rpm without yum can sometimes not be fun but there seems little
>> reason not to use yum on rpm based distributions.
>>
>> However, I can't see why anyone would base current opinion on ancient
>> history.  Imagine if you decided never to buy a mobile phone because the
>> one you had in 1990 was bigger than an army walkie-talkie or the one you
>> had in the 80s required it to be hard wired into your car.   Technology
>> evolves faster than people apparently.
>>
>> NB:  RedHat 6 = Ancient version of RedHat (back in 2004 the oldest systems
>> I inherited for Linux were running 7.3 or 9).
>>
>> RedHat Enteprise Linux (a/k/a) RHEL is up to version 6.0 now and should
>> not be confused with what was formerly called just RedHat 6.  RHEL was
>> already at version 3 in 2004 so back then was already 6 releases beyond
>> the old RedHat 6.
>>
>
> In the interest of full disclosure, I am a debhead from way back.
> Learned on Debian.  Technically speaking (which is the best way to
> speak) there is no difference between .deb and .rpm.  Both contains dep
> info and all that fun stuff.  The difference between the two systems is
> the front ends.  Apt-get/aptitude (cli, not that deslect cursors stuff)
> and synaptic just rock.  Yum is a poor version.  It is better then it
> was, but it is not as fast or versatile as aptitude.  It is pretty
> usable however.  The problem has always been the front end.  dpkg and
> rpm are vary comparable.
>
> I just always marveled at why the .rpm world kept trying to invent
> something when apt-get worked and worked very well, or portage (the only
> system I know that is *better*).  Hell, I got into debian because I was
> forced to use apt4rpm on my rh system because I could not get anything
> to install.  I figured if that worked so well, perhahps I should go find
> out where it came from.
>
> On a different note:  I am almost persuaded to try out suse again and
> see if I can like Yast like I always wanted to.
>
>
>> -----Original Message-----
>> From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of Chuck
>> Payne
>> Sent: Tuesday, February 15, 2011 8:31 AM
>> To: Atlanta Linux Enthusiasts
>> Subject: Re: [ale] SUSE package manager and install empathy
>>
>> It's only change from the days of S.u.S.E as a company, and when
>> Novell bought it. When to the project start, it was set that the
>> spelling is openSUSE, so it hasn't change. It been that way since
>> openSUSE 10.0, and it won't.
>>
>> Chuck Payne
>> openSUSE Ambassador/Member/Marketing Team
>>
>> On Tue, Feb 15, 2011 at 8:19 AM, James Sumners <james.sumners at gmail.com>
>> wrote:
>> > Also, you can't change the way you spell your name every other release
>> > and expect people to keep it straight.
>> >
>> > On Tue, Feb 15, 2011 at 7:14 AM, Geoffrey Myers
>> > <lists at serioustechnology.com> wrote:
>> >> Chuck Payne wrote:
>> >>> For the recorder, if you refer to openSUSE, the correct spelling is
>> >>> with all lower case open and all upper case SUSE, the O is never Upper
>> >>> case, and the SUSE is always upper.
>> >>
>> >> For the record, I'm pretty sure that has just become the fact since
>> >> Novell purchased SuSE, as originally, it had always been SuSE, still
>> >> have the original disks to prove it.
>> >>
>> >> --
>> >> Until later, Geoffrey
>> >
>> >
>> > --
>> > James Sumners
>> > http://james.roomfullofmirrors.com/
>> >
>> > "All governments suffer a recurring problem: Power attracts
>> > pathological personalities. It is not that power corrupts but that it
>> > is magnetic to the corruptible. Such people have a tendency to become
>> > drunk on violence, a condition to which they are quickly addicted."
>> >
>> > Missionaria Protectiva, Text QIV (decto)
>> > CH:D 59
>> > _______________________________________________
>> > 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
>> >
>>
>>
>>
>> --
>> -----------------------------------------
>> Discover it! Enjoy it! Share it! openSUSE Linux.
>> -----------------------------------------
>> openSUSE -- en.opensuse.org/User:Terrorpup
>> openSUSE Ambassador/openSUSE Member
>> skype,twiiter,identica,friendfeed -- terrorpup
>> freenode(irc) --terrorpup/lupinstein
>> Register Linux Userid: 155363
>>
>> Have you tried SUSE Studio? Need to create a Live CD,  an app you want
>> to package and distribute , or create your own linux distro. Give SUSE
>> Studio a try. www.susestudio.com.
>>
>> _______________________________________________
>> 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
>>
>> Proud partner. Susan G. Komen for the Cure.
>>
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>> http://mail.ale.org/mailman/listinfo
>
> --
> Damon
> damon at damtek.com
>
>
>
> ------------------------------
>
> _______________________________________________
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> Ale at ale.org
> http://mail.ale.org/mailman/listinfo/ale
>
>
> End of Ale Digest, Vol 37, Issue 103
> ************************************
>

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