Re: Hardware for kids

On Tue, Aug 23, 2016 at 11:09:26AM +1000, Paul van den Bergen wrote: > the answer to the question "is it possible to install Linux" is always > yes... i wouldn't be so sure about that. The "SecureBoot" spec for tablets, laptops etc with ARM CPUs doesn't allow installation of custom keys, and

Re: zfs vs. recent kernels

On Fri, Aug 12, 2016 at 12:38:41PM +1000, Craig Sanders wrote: > > as the SSD is fast at large reads (500MB/s), I could also just cache > > metadata and not data. would that make sense do you think? > > it might help. I used to do it and it didn't seem to do much, but > that was on a low memory

Re: zfs vs. recent kernels

On Thu, Aug 11, 2016 at 02:53:10AM -0400, Robin Humble wrote: > >have you tried setting zfs_arc_min = zfs_arc_max? that should stop > >ARC from releasing memory for linux buffers to use. > > is that what most folks do? no idea. it just seems like something that's worth trying. > as the SSD is

Re: zfs vs. recent kernels

On Mon, Aug 08, 2016 at 09:23:56PM +1000, russ...@coker.com.au wrote: > On Sunday, 7 August 2016 1:58:25 AM AEST Robin Humble via luv-main wrote: > > has anyone else had issues with ZFS on recent kernels and distros? > > Debian/Jessie (the latest version of Debian) is working really well > for me.

Re: Cheap Home Cloud ~ Raspberry Pi + USB Drives

On Wed, Aug 03, 2016 at 01:07:24AM +1000, Russell Coker wrote: > It's nice that you can get a case that can handle 8 disks for $200. cases that handle 8+ disks are common enough, but 8 hot-swap bays (and 4 more internal drive bays) in a small case is amazing. very nice. i wish they'd been

Re: Best Database For Storing Images

On Mon, Jun 13, 2016 at 06:30:46PM +1000, Andrew McN wrote: > On 13/06/16 17:21, James Harper wrote: > > https://wiki.postgresql.org/wiki/BinaryFilesInDB > I find that article unconvincing, but my concerns are mostly around > performance. If performance is of no concern at all, then the >

Re: Frozen Debian testing upgrade

On Fri, Feb 12, 2016 at 08:47:11PM +, stripes theotoky wrote: > Configuring libc6 > Kernel version not supported > need to be restarted > This version of the GNU libc requires kernel version 3.2 or later. > Older versions might work but are not officially supported. Please consider >

Re: pxe server

On Sat, Feb 06, 2016 at 12:36:02AM +, James Harper wrote: > Any suggestions? you seem to have solved your original question, but my suggestion is to serve gpxelinux.0 or ipxe to the client, then you can use http rather than tftp to transfer kernel+initrd or boot/rescue image or whatever.

Re: SSL configuration

On Sun, Jan 31, 2016 at 04:11:44AM +1100, Andrew McGlashan wrote: > All good and fair comments, but anyone whom lets people continue to use > IE and/or Windows XP. well. yes, it's simply intolerable. they shoud be rounded up and sent to re-education camps. apply the electrodes until they

Re: Open hardware (Was: Castrated netbook)

On Sat, Jan 23, 2016 at 09:13:28AM +1100, Joel W. Shea wrote: > While its at a higher performance/price point than the netbooks and sorry, but this is just one of the language things that bug me. why do people say "price point" when they mean "price"? Is it because prices are somehow vulgar,

Re: ata errors in dmesg/syslog - any pointers from the more ATA/AHCI literate?

On Thu, Jan 21, 2016 at 04:34:39AM +, Anthony wrote: > Would I be right in thinking that this kind of smart failure could not > be triggered by the controller, and rather it's a drive fault, because > the tests are run wholly within the drive itself and all that goes > between drive and

Re: Mail Server Really Slow

On Wed, Jan 20, 2016 at 07:28:38AM +, James Harper wrote: > As long as I remember to replace the To: with luv-main each time I > reply, I guess it's workable. that happens even on just plain Replies, too - not just Reply-All? that's weird because the list munges the From: address, so a reply

Re: Mail Server Really Slow

On Tue, Jan 19, 2016 at 04:52:38PM +1000, Piers Rowan wrote: > >1. what kind of disks are these? > > HP Hardware Array with default LVM on it. This was just to take live > snapshots of MySQL to be able to restart replication without issue. so, how are the HP Array controller and disks configured?

Re: Mail Server Really Slow

On Tue, Jan 19, 2016 at 11:11:22PM +, James Harper wrote: > (it seems that "reply-all" no longer includes luv-main (from ms > outlook at least), so I have to include it manually... what's with > that?) who knows? outlook is weird. for list replies, it's better to just reply to the list

Re: ata errors in dmesg/syslog - any pointers from the more ATA/AHCI literate?

On Tue, Jan 19, 2016 at 11:35:06PM +1100, Anthony Hogan wrote: > I have my system (Gigabyte P55A-UD4 r1 F15 firmware) configured in AHCI > mode with a 1+3 TB HDDs, and a DVD drive. > > ata5 = 1TB SATA (msdos partition scheme) > ata9 = DVD SATA > ata10 = 3TB SATA (GPT scheme to use 3TB as one, but

Re: Mail Server Really Slow

On Tue, Jan 19, 2016 at 10:12:12AM +1000, Piers Rowan wrote: > - dovecot > - apache (roundcube webmail) > - sendmail unless you're a sendmail expert with a decade or two of experience working with it, you might want to think about switching to postfix. > - clamav-milter > - amavisd-milter > >

Re: Mail Server Really Slow

On Tue, Jan 19, 2016 at 12:03:24PM +1000, Piers Rowan wrote: > sda = a usb backup drive > dm-0 = / (MySQL) RAID > dm-1 = / (MySQL) RAID > > dm-2-5 = /home (also where VM's Live) [1 x hot spare] 1. what kind of disks are these? can you run: find /dev/disk/by-id/ -iname ata-* -o -iname usb-*

Re: Mail Server Really Slow

On Tue, Jan 19, 2016 at 12:59:09PM +1100, Russell Coker wrote: > On Tue, 19 Jan 2016 12:22:31 PM Craig Sanders via luv-main wrote: > > On Tue, Jan 19, 2016 at 10:12:12AM +1000, Piers Rowan wrote: > > > - dovecot > > > - apache (roundcube webmail) > > > - sendma

Re: Mail Server Really Slow

On Tue, Jan 19, 2016 at 02:24:01PM +1100, Russell Coker wrote: > Why do you use LVM inside a virtual machine? my guess is that it's the default for the RH installer to use lvm. ditto for centos and fedora. > That offers no real benefit and makes things more difficult to debug > things as it

Re: Inconsistent list behaviour

On Sat, Jan 16, 2016 at 07:15:20PM +1100, Tony Langdon wrote: > > well, no. it's exactly what's happening in your situation: gmail is > > doing its own dupe-detection (presumably based on the Message-Id, > > Which is leading to inconsistent behaviour. Gmail is filtering the > messages into the

Re: IPv6

On Sat, Jan 16, 2016 at 05:08:23PM +1100, Russell Coker wrote: > On Sat, 16 Jan 2016 05:00:58 PM Craig Sanders via luv-main wrote: > If you believed that there was nothing you could do then you wouldn't > have spent months arguing. i haven't. i've mostly ignored it for most of the last f

Re: IPv6

On Sat, Jan 16, 2016 at 09:32:14PM +1100, Russell Coker wrote: > > > Actually the Gmail users didn't do anything, they just signed up for > > > a mail service knowing nothing about DKIM or the Gmail actions that > > > would happen when they received DKIM signed mail via a list. > > > > it's

Re: Inconsistent list behaviour

On Fri, Jan 15, 2016 at 07:34:19PM +1100, Tony Langdon wrote: > On 15/01/2016 11:52 AM, Craig Sanders via luv-main wrote: > > BTW, i have .procmailrc rules to get rid of dupesso if get CC-ed on > > a list reply, i see whichever one arrives first. > > Sounds like th

Re: Inconsistent list behaviour

On Fri, Jan 15, 2016 at 07:41:44PM +1100, Tony Langdon wrote: > I use IMAP 99% of the time, time will tell, now that I've changed my > Mailman options. here's a test message for you. sent to the list and CC-ed directly to you. craig -- craig sanders

Re: IPv6

On Sat, Jan 16, 2016 at 12:31:47PM +1100, Russell Coker wrote: > On Sat, 16 Jan 2016 08:36:30 AM Craig Sanders via luv-main wrote: > Why are we having an argument about comments then? If they are just > comments then it shouldn't be a big deal. because munging them screws up an MUA

Re: Inconsistent list behaviour

On Fri, Jan 15, 2016 at 09:50:22AM +1100, Tony Langdon wrote: > Foe some reason, I'm only receiving one copy. Maybe a Gmail oddity? Or probably gmail. BTW, i have .procmailrc rules to get rid of dupesso if get CC-ed on a list reply, i see whichever one arrives first. This one deletes

Re: SPF/DKIM + DMARC (Was: IPv6)

On Fri, Jan 15, 2016 at 05:03:39PM +1100, Craig Sanders wrote: > being able to run mailing lists is an essential part of the open > internet and *IS* de-centralised. At least until the corporates > manage to kill off any alternatives to their spyware services via > DKIM. sorry. i've typed DKIM

Re: IPv6

On Thu, Jan 14, 2016 at 08:56:52PM -0500, Jason White wrote: > Russell Coker via luv-main wrote: > > On Fri, 15 Jan 2016 09:52:30 AM Tony Langdon via luv-main wrote: > > > > Facebook is now compelling sysadmins to use SPF or DKIM. This isn't > > > > going to go away. It's

Re: SPF/DKIM + DMARC (Was: IPv6)

On Fri, Jan 15, 2016 at 04:30:47AM +, Russell Coker wrote: > On Fri, 15 Jan 2016 04:01:28 AM Joel W. Shea via luv-main wrote: > > Yes, it also has the potential to reduce the distributed and > > decentralised nature of email; > > Not at all. The distributed and decentralised part of email is

Re: SSHD (and steam and windows and other stuff)

On Fri, Jan 15, 2016 at 12:54:42AM +1100, Tim Connors wrote: > On Thu, 14 Jan 2016, Trent W. Buck via luv-main wrote: > > > $ msy | foldr grep -Fi -- 2tb 3.5 sata3 7200 > > msy? That looks nifty, given how horrible browsing the pictures on their > webshite is. > > details? try my msygrep

Re: SSHD (and steam and windows and other stuff)

On Wed, Jan 13, 2016 at 01:28:57PM +1100, Trent W. Buck wrote: > AFAICT the only reason SSHDs exist are: > > * Windows has nothing like bcache/l2arc; or it does. it's called ReadyBoost. Compared to bcache/flashcache or L2ARC for ZFS, it sucks. You can't just tell Windows to use an SSD (or

Re: SSHD

On Wed, Jan 13, 2016 at 09:04:42AM +1100, Craig Sanders wrote: > I'm not using any ZIL or SSD L2ARC on the backup pool so having the > 4GB SSD cache (per drive) on it is probably beneficial. my mistake. it's actually 8GB not 4GB. craig -- craig sanders BOFH excuse #416:

Re: SSHD

On Tue, Jan 12, 2016 at 05:18:23PM +1100, Tennessee Leeuwenburg wrote: > Based on my general new article reading, I thought everything above > 6GB was using shingled storage which doesn't interest me so much. I'd > be interested if you find out otherwise. dunno about all drives 6TB and above, but

Re: blessed silence (was Re: free Sun 1RU servers)

On Fri, Jan 08, 2016 at 02:37:10PM +1100, Rohan McLeod wrote: > But what I finished up getting was a Corsair H55 Liquid Cooler > see for example. > http://www.msy.com.au/vic/northmelbourne/pc-accessories/12163-corsair-cwch55-h55-universal-hydro-high-performance-liquid-cpu-cooler.html > > This

Re: blessed silence (was Re: free Sun 1RU servers)

On Thu, Jan 07, 2016 at 01:47:35PM -0800, Rick Moen wrote: > Yes, this annoyance goes _way_ back. Even back in XT clone days, we > hobbyists noticed that generic Taiwanese clone gear was greatly more > standardised, and easier / more inexpensive to work on, than any of the > brand-name gear.

Re: blessed silence (was Re: free Sun 1RU servers)

On Fri, Jan 08, 2016 at 03:28:01AM +1100, Russell Coker wrote: > On Thu, 7 Jan 2016 04:18:31 PM Craig Sanders via luv-main wrote: > > (alternatively, some of the fans in the servers **may** be > > replaceable with quiet fans - many available from Quiet PC) > > 1RU systems hav

blessed silence (was Re: free Sun 1RU servers)

On Tue, Jan 05, 2016 at 07:46:34PM +1100, Russell Coker wrote: > The servers are extremely noisy which is one of the reasons why I > haven't done any other training on the server in my home (the other > reason being that I have some other servers for this purpose). FYI, i saw this while reading

Re: No networking and no MATE

On Sat, Jan 02, 2016 at 07:57:13PM +1100, Craig Sanders wrote: > Optionally add '| grep -Ev "pkg1|pkg2|pkg3..."' after the sed but > before the close-parenthesis if you want to exclude particular > packages from being re-installed. personally, i'd exclude at least '^lib' so that lib packages are

Re: No networking and no MATE

On Sat, Jan 02, 2016 at 07:35:46PM +1100, David Zuccaro wrote: > No the question is which packages will give me networking back? > > apt says network-manager has no installation candidate. You need to find out which packages you removed. Try: grep remove /var/log/dpkg.log Or if you know

Re: No networking and no MATE

On Sat, Jan 02, 2016 at 07:00:57PM +1100, David Zuccaro wrote: > I have accidentally removed some packages from a debian system and now > I have lost networking and MATE. Can I reinstall the removed packages > from the install cd? yes. you can either install packages individually with dpkg

Re: No networking and no MATE

On Sat, Jan 02, 2016 at 09:59:27PM +1100, David Zuccaro wrote: > Thanks once again Craig and Brian I owe you a beer! i can't drink beer (i only just got a kidney, transplanted on Dec 7 - and don't want to put it at risk by re-acquiring an alcohol habit) but if you want to repay the favour,

Re: automatically starting KVM

On Thu, Dec 24, 2015 at 01:07:50PM +1100, Russell Coker via luv-main wrote: > I've editited XML by hand before and written scripts to do it back > when I was working on clustering software which also had the flaw of > requiring XML but provided no automated way of creating it. virsh has many

Re: SPF and DKIM checks on mail to the list

On Wed, Dec 23, 2015 at 07:03:48PM -0800, Rick Moen via luv-main wrote: > > Without testing, i'd guess that renaming Reply-To: to From: could be: > > > > # rename Reply-To: header to From: > > :0 fhw > > * > > (^TO|^FROM|^FROM_DAEMON|^Sender:|^X-Been-There:|^List-[^:]*:).*@(lists.)?luv\.asn\.au

Re: SPF and DKIM checks on mail to the list

On Wed, Dec 23, 2015 at 04:10:04AM -0800, Rick Moen via luv-main wrote: > Quoting Joel W. Shea via luv-main (luv-main@luv.asn.au): > > > Yes, but many, including myself; are frustrated by how their MUA > > behaves as a result, and some even resorting to custom procmail > > rules to work around

zfs snapshot tools

On Mon, Dec 21, 2015 at 11:25:29AM +1100, Trent W. Buck via luv-main wrote: > One thing rsnapshot does reasonably well is faking multiple tape > rotations within the snapshot set. e.g. you say "1 yearly, 2 monthlies, > and 7 dailies", and it works out which snapshots to expire. > I don't know how

Re: Fixing the LUV list?

On Sat, Dec 19, 2015 at 04:04:45PM +0100, Anders Holmström via luv-main wrote: > As mentioned it was on luv-talk. As I recall there was no announcement; the > change was implemented without warning and /then/ there was some discussion. By "announcement", i mean Russell said "I'm doing this" and

Re: Fixing the LUV list?

On Sat, Dec 19, 2015 at 04:18:37PM +1100, Erik Christiansen via luv-main wrote: > And I concur, holding secret discussions on another list is not an > acceptable substitute to addressing this list's problems here. they weren't secret discussions. luv-talk is a public list, and the changes were

Re: Is my root partition dying?

On Fri, Dec 18, 2015 at 09:17:49PM +1100, Russell Coker via luv-main wrote: > On Fri, 18 Dec 2015 08:58:56 PM David Zuccaro via luv-main wrote: > > Anyone know where I can buy a >= 2TB disk in the Elwood area? > > http://www.msy.com.au/stores > > MSY has a store in Malvern. MSY generally has

Re: Is my root partition dying?

On Thu, Dec 17, 2015 at 01:09:46AM +0700, Robert Parker via luv-main wrote: > > Thanks Rick, I actually rsync everything to an local external drive > > daily > > > > Well I hope you are not doing it with the -delete option in place > > because > > if you are it will faithfully remove from your

Re: Is my root partition dying?

On Thu, Dec 17, 2015 at 11:42:58AM +1100, Craig Sanders via luv-main wrote: > more importantly, using rsync's --delete option won't leave cruft from > uninstalled packages and other deleted files strewn all over your > filesystem. this applies to upgraded packages too. without --dele

Re: Fixing the LUV list?

On Sat, Dec 05, 2015 at 04:34:40PM +1100, Joel W. Shea via luv-main wrote: > > http://lists.luv.asn.au/pipermail/luv-talk/2015-November/003584.html > > In that thread, I have attempted to convince the list administrator to > use dmarc_moderation_action *instead of* from_is_list, as recommended by

Re: changes to mailing list

On Thu, Nov 26, 2015 at 09:08:50AM +1100, Tony Langdon via luv-main wrote: > On 25/11/2015 9:13 PM, Erik Christiansen via luv-main wrote: > > > Interestingly, 'r', 'g', and 'L' all work correctly on Tony's posts, & > > Rick's, and Brian's. (And yet, Reply-To: is similar in all. Tried it 5 > >

Re: changes to mailing list

On Wed, Nov 25, 2015 at 07:45:33PM +1100, Craig Sanders via luv-main wrote: > but not on this list any more. The From: and Reply-To: headers > are both messed up. All three reply styles - 'r', 'g', and 'L' - reply to the list and zero other addresses. The 'r' private reply would probabl

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