[Discuss] Secure VNC

2013-02-22 Thread Jerry Feldman
I was asked at last Wednesday's meeting about how to run VNC in a secure environment. There is a package called SecureVNC. At work, I use UltraVNC viewer from Windows 7, and it has a SecureVNC plugin, but you can also secure VNC through an ssh tunnel. There is a lot of discussion on how to do this

[Discuss] nouveau E[DRM] GPU lockup - switching to software fbcon

2013-02-22 Thread Jerry Feldman
I'm running Fedora 18, but I have received similar messages on 17 and 16, but only on shutdownon my system. I've seen a lot of reports online, but no solutions. Here is a link to a Fedora bug report: https://retrace.fedoraproject.org/faf/reports/51548/ Obviously I have an NVIDIA graphics chip and

Re: [Discuss] On-site backups revisited - rsnapshot vs. CrashPlan

2013-02-22 Thread Derek Atkins
Jack Coats writes: > http://blog.backblaze.com/2013/02/20/180tb-of-good-vibrations-storage-pod-3-0/ > > A little off topic, but these guys have come out with 3.0 of their > 'big NAS server' build. > Storage upgrade is mainly 3T to 4T drives (45 of them), but they do have other > refinements and l

[Discuss] Boston Linux and Unix InstallFest XLVII Saturday March 2, 2013

2013-02-22 Thread Jerry Feldman
Boston Linux Installfest XLVII When: Saturday March 2, 2013 from 9:00 am to 5:00 pm Where: MIT Building E-51, Room 061 2 Amherst St, Cambridge Plenty of free parking in the parking lot in front of E-51. http://mitiq.mit.edu/mitiq/directions_%20parkinge51.htm What yo

[Discuss] Secure VNC

2013-02-22 Thread Peter Jalajas
On Fri, Feb 22, 2013 at 9:05 AM, wrote: > I was asked at last Wednesday's meeting about how to run VNC in a secure > environment. There is a package called SecureVNC. At work, I use > UltraVNC viewer from Windows 7, and it has a SecureVNC plugin, but you > can also secure VNC through an ssh tunne

[Discuss] btrfs

2013-02-22 Thread Jerry Feldman
Essentially, btrfs has been mentioned in a number of other contexts, but since it is now available on several distros, let's just start a thread on btrfs. Here is a link to the main Wiki: https://btrfs.wiki.kernel.org/index.php/Main_Page First we have an installfest coming up next week on March 2n

Re: [Discuss] nouveau E[DRM] GPU lockup - switching to software fbcon

2013-02-22 Thread Derek Atkins
Jerry Feldman writes: > I'm running Fedora 18, but I have received similar messages on 17 and > 16, but only on shutdownon my system. I've seen a lot of reports online, > but no solutions. Here is a link to a Fedora bug report: > https://retrace.fedoraproject.org/faf/reports/51548/ > > Obviously

Re: [Discuss] btrfs

2013-02-22 Thread Rich Pieri
On Fri, 22 Feb 2013 10:04:24 -0500 Jerry Feldman wrote: > Most of the examples I have seen are to install btrfs on raw drives. Btrfs is, like ZFS, both file system and volume manager. There is typically no benefit to not allowing Btrfs to manage entire devices unless you need to have part of the

[Discuss] ssh tunnels

2013-02-22 Thread Rich Pieri
On Fri, 22 Feb 2013 11:00:13 -0500 Bill Horne wrote: > Speaking of ssh tunnels, can someone figure out how to tunnel through > ssh to a virtual domain? Clarify what you mean by "virtual domain". -- Rich P. ___ Discuss mailing list Discuss@blu.org ht

Re: [Discuss] Secure VNC

2013-02-22 Thread Bill Horne
On 2/22/2013 8:32 AM, Jerry Feldman wrote: I was asked at last Wednesday's meeting about how to run VNC in a secure environment. There is a package called SecureVNC. At work, I use UltraVNC viewer from Windows 7, and it has a SecureVNC plugin, but you can also secure VNC through an ssh tunnel. Th

Re: [Discuss] nouveau E[DRM] GPU lockup - switching to software fbcon

2013-02-22 Thread Jerry Feldman
On 02/22/2013 10:56 AM, Derek Atkins wrote: > Jerry Feldman writes: > >> I'm running Fedora 18, but I have received similar messages on 17 and >> 16, but only on shutdownon my system. I've seen a lot of reports online, >> but no solutions. Here is a link to a Fedora bug report: >> https://retrace.

Re: [Discuss] btrfs

2013-02-22 Thread Jerry Feldman
On 02/22/2013 11:01 AM, Rich Pieri wrote: > On Fri, 22 Feb 2013 10:04:24 -0500 > Jerry Feldman wrote: > >> Most of the examples I have seen are to install btrfs on raw drives. > Btrfs is, like ZFS, both file system and volume manager. There is > typically no benefit to not allowing Btrfs to manage

Re: [Discuss] btrfs

2013-02-22 Thread Dan Ritter
On Fri, Feb 22, 2013 at 11:29:42AM -0500, Jerry Feldman wrote: > On 02/22/2013 11:01 AM, Rich Pieri wrote: > > On Fri, 22 Feb 2013 10:04:24 -0500 > > Jerry Feldman wrote: > > > >> Most of the examples I have seen are to install btrfs on raw drives. > > Btrfs is, like ZFS, both file system and volu

Re: [Discuss] On-site backups revisited - rsnapshot vs. CrashPlan

2013-02-22 Thread Rich Braun
Rich Pieri wrote: > Converting ext2/3 to Btrfs can be done in place with three commands: > umount, fsck, btrfs-convert. Thanks for the suggestion. > In terms of actual work performed up front by the guy at the keyboard, > your database method takes 3+ hours of work while using Btrfs takes > less

Re: [Discuss] btrfs

2013-02-22 Thread Daniel Hagerty
Rich Pieri writes: > On Fri, 22 Feb 2013 10:04:24 -0500 > Jerry Feldman wrote: > >> Most of the examples I have seen are to install btrfs on raw drives. > > Btrfs is, like ZFS, both file system and volume manager. There is > typically no benefit to not allowing Btrfs to manage entire devices > u

[Discuss] BLU Desktop GNU/Linux SIG Meeting - LibrePlanet Preview + Advocating for Free Software - Weds, Mar 6, 2013

2013-02-22 Thread Will Rico
When: Wednesday, March 6, 2013 6:30PM Location: Akamai, 8 Cambridge Center, Cambridge, MA ­ Directions http://www.akamai.com/html/about/driving_directions.html Notes 1) Please note the location is different from our s

Re: [Discuss] btrfs

2013-02-22 Thread Rich Pieri
On Fri, 22 Feb 2013 11:29:42 -0500 Jerry Feldman wrote: > So, assume I have 2 physical volumes, /dev/sda and /dev/sdb. > mkfs.btrfs -d raid1 /dev/sda /dev/sdb > What happens if I get a failure on /dev/sdb. > Assume no snapshots. "-d raid1" means mirrored data. Metadata is mirrored by default eve

Re: [Discuss] btrfs

2013-02-22 Thread Derek Atkins
Rich Pieri writes: > On Fri, 22 Feb 2013 11:29:42 -0500 > Jerry Feldman wrote: > >> So, assume I have 2 physical volumes, /dev/sda and /dev/sdb. >> mkfs.btrfs -d raid1 /dev/sda /dev/sdb >> What happens if I get a failure on /dev/sdb. >> Assume no snapshots. > > "-d raid1" means mirrored data. Me

Re: [Discuss] btrfs

2013-02-22 Thread Jerry Feldman
On 02/22/2013 11:45 AM, Rich Pieri wrote: > On Fri, 22 Feb 2013 11:29:42 -0500 > Jerry Feldman wrote: > >> So, assume I have 2 physical volumes, /dev/sda and /dev/sdb. >> mkfs.btrfs -d raid1 /dev/sda /dev/sdb >> What happens if I get a failure on /dev/sdb. >> Assume no snapshots. > "-d raid1" mean

Re: [Discuss] btrfs

2013-02-22 Thread Dan Ritter
On Fri, Feb 22, 2013 at 12:08:32PM -0500, Derek Atkins wrote: > Rich Pieri writes: > > > On Fri, 22 Feb 2013 11:29:42 -0500 > > Jerry Feldman wrote: > > > >> So, assume I have 2 physical volumes, /dev/sda and /dev/sdb. > >> mkfs.btrfs -d raid1 /dev/sda /dev/sdb > >> What happens if I get a failu

Re: [Discuss] ssh tunnels

2013-02-22 Thread Bill Horne
On 2/22/2013 11:04 AM, Rich Pieri wrote: On Fri, 22 Feb 2013 11:00:13 -0500 Bill Horne wrote: Speaking of ssh tunnels, can someone figure out how to tunnel through ssh to a virtual domain? Clarify what you mean by "virtual domain". Many web servers, mine included, are set up so that they de

Re: [Discuss] nouveau E[DRM] GPU lockup - switching to software fbcon

2013-02-22 Thread Derek Atkins
Jerry Feldman writes: > One possible solution or workaround is to use the proprietary nVIDIA > driver rather than nouveau. > http://www.if-not-true-then-false.com/2013/fedora-18-nvidia-guide/ IIRC I tried that and alas that didn't solve the problem for me.. -derek -- Derek Atkins, SB '

Re: [Discuss] ssh tunnels

2013-02-22 Thread Dan Ritter
On Fri, Feb 22, 2013 at 12:17:33PM -0500, Bill Horne wrote: > On 2/22/2013 11:04 AM, Rich Pieri wrote: > >On Fri, 22 Feb 2013 11:00:13 -0500 > >Bill Horne wrote: > > > >>Speaking of ssh tunnels, can someone figure out how to tunnel through > >>ssh to a virtual domain? > >Clarify what you mean by "

Re: [Discuss] ssh tunnels

2013-02-22 Thread Jerry Feldman
On 02/22/2013 12:17 PM, Bill Horne wrote: > On 2/22/2013 11:04 AM, Rich Pieri wrote: >> On Fri, 22 Feb 2013 11:00:13 -0500 >> Bill Horne wrote: >> >>> Speaking of ssh tunnels, can someone figure out how to tunnel through >>> ssh to a virtual domain? >> Clarify what you mean by "virtual domain". >

[Discuss] Storage question follow-up

2013-02-22 Thread Peter Jalajas
Great iPv6 talk Wednesday night, thanks, Dan Hagerty! I've dabbled with Sixxs/aiccu if I can help anyone with my miniscule experience: $ ping6 -qc 10 ipv6.google.com PING ipv6.google.com(vb-in-x63.1e100.net) 56 data bytes --- ipv6.google.com ping statistics --- 10 packets transmitted, 10 received,

Re: [Discuss] On-site backups revisited - rsnapshot vs. CrashPlan

2013-02-22 Thread Rich Pieri
On Fri, 22 Feb 2013 08:36:15 -0800 "Rich Braun" wrote: > Well, now that the work is done you might compare it to a stock > that's now worth $10: it no longer matters what it cost at the time > you bought, you have something worth $10 now and that's all the > matters. You have a btrfs system bas

Re: [Discuss] btrfs

2013-02-22 Thread Rich Pieri
On Fri, 22 Feb 2013 12:10:01 -0500 Jerry Feldman wrote: > Ok, question answered. > So if I currently had a RAID1(/dev/mdn == /dev/sdxn + /dev/sdyn) > ThenI would achieve roughly the same benefits with btrfs -d raid1. Roughly. It gets a little complicated with more than 2 devices and with non-ide

Re: [Discuss] Storage question follow-up

2013-02-22 Thread Bill Bogstad
On Fri, Feb 22, 2013 at 12:34 PM, Peter Jalajas wrote: > > I wasn't fully prepared to ask my storage question Wed. night. I've > now tried to draw a picture of my situation/concept in google docs: > http://goo.gl/K98JN > I hope that better explains what I'm trying to do. I'm guessing it's > f

Re: [Discuss] Storage question follow-up

2013-02-22 Thread Dan Ritter
On Fri, Feb 22, 2013 at 12:34:59PM -0500, Peter Jalajas wrote: > Great iPv6 talk Wednesday night, thanks, Dan Hagerty! > I've dabbled with Sixxs/aiccu if I can help anyone with my miniscule > experience: > $ ping6 -qc 10 ipv6.google.com > PING ipv6.google.com(vb-in-x63.1e100.net) 56 data bytes > -

Re: [Discuss] Storage question follow-up

2013-02-22 Thread Dan Ritter
On Fri, Feb 22, 2013 at 01:05:55PM -0500, Bill Bogstad wrote: > On Fri, Feb 22, 2013 at 12:34 PM, Peter Jalajas wrote: > > You might consider going to one big honking file server (on the > cheap). BackBlaze has open sourced > their hardware designs for massive systems into which you can install

Re: [Discuss] Storage question follow-up

2013-02-22 Thread Bill Bogstad
On Fri, Feb 22, 2013 at 1:08 PM, Dan Ritter wrote: > On Fri, Feb 22, 2013 at 01:05:55PM -0500, Bill Bogstad wrote: >> That's close to 50 million 4GByte video files. Here's their blog >> entry about it: >> >> http://blog.backblaze.com/2013/02/20/180tb-of-good-vibrations-storage-pod-3-0/ > > Not

Re: [Discuss] ssh tunnels

2013-02-22 Thread Matthew Gillen
On 02/22/2013 12:25 PM, Dan Ritter wrote: On Fri, Feb 22, 2013 at 12:17:33PM -0500, Bill Horne wrote: On 2/22/2013 11:04 AM, Rich Pieri wrote: On Fri, 22 Feb 2013 11:00:13 -0500 Bill Horne wrote: Speaking of ssh tunnels, can someone figure out how to tunnel through ssh to a virtual domain?

Re: [Discuss] On-site backups revisited - rsnapshot vs. CrashPlan

2013-02-22 Thread Rich Braun
Rich Pieri noted: > What possible benefit is there to using a one-off custom database when > the problem has already been solved? ... It only works > with custom tools designed to work with that custom database just like > Legato Networker (or whoever owns it now) or any of a plethora of > vendor l

Re: [Discuss] On-site backups revisited - rsnapshot vs. CrashPlan

2013-02-22 Thread Jerry Feldman
On 02/22/2013 03:29 PM, Rich Braun wrote: > Rich Pieri noted: >> What possible benefit is there to using a one-off custom database when >> the problem has already been solved? ... It only works >> with custom tools designed to work with that custom database just like >> Legato Networker (or whoever

Re: [Discuss] On-site backups revisited - rsnapshot vs. CrashPlan

2013-02-22 Thread Rich Braun
Jerry Feldman wrote in support of simple: > rsnapshot and the other rsync-based backups do not use databases. > What this does is to create a duplicate directory tree of what > you backed up. Understood. I'm addressing additional requirements besides just the backups. I want to keep a near-line

Re: [Discuss] On-site backups revisited - rsnapshot vs. CrashPlan

2013-02-22 Thread Rich Pieri
On Fri, 22 Feb 2013 12:29:23 -0800 "Rich Braun" wrote: > underneath. You need a list of files, you need a place to put file > meta data, you need a way to run comparisons. Problems solved more than thirty years ago. The most commonly used variations on UNIX systems are tar and cpio, with a nod

Re: [Discuss] Storage question follow-up

2013-02-22 Thread Daniel Feenberg
A very nice treatment of the pros and cons of the backblaze pod is given by the Bioteam at http://bioteam.net/tag/backblaze/ While the pods are not for every use, it is important not to make the usual mistakes of newsgroup postings: 1) If A is better than B, then B is no good. 2) If it d

Re: [Discuss] Storage question follow-up

2013-02-22 Thread Rich Pieri
On Fri, 22 Feb 2013 16:13:49 -0500 (EST) Daniel Feenberg wrote: > A very nice treatment of the pros and cons of the backblaze pod > is given by the Bioteam at Good read, especially the "why not to build a backblaze" article. It does a nice job of cutting through the buzzwords to describe precise

[Discuss] IPv6 Hardware

2013-02-22 Thread Chris O'Connell
Hi All, I attended the BLU presentation this week. Really interesting topic, great presentation! One area that wasn't covered heavily was hardware. I'm curious, what hardware (switches, routers, wireless) are people using for their IPv6 in their home and their offices, and why? I'm looking to

Re: [Discuss] btrfs

2013-02-22 Thread Edward Ned Harvey (blu)
> From: discuss-bounces+blu=nedharvey@blu.org [mailto:discuss- > bounces+blu=nedharvey@blu.org] On Behalf Of Jerry Feldman > > Essentially, btrfs has been mentioned in a number of other contexts, but > since it is now available on several distros, let's just start a thread > on btrfs. The

[Discuss] Server won't boot kernel. initramfs problem?

2013-02-22 Thread David Kramer
My MythTV box (kubuntu 12.04) wouldn't let me ssh in or log in directly, so I rebooted. After I selected the kernel from grub, I eventually saw "Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)" and "Pid: 1, comm: swapper/0 Not tainted 3.2.0-35-generic". It displayed